Comments (5)
dtrace4linux
commented on May 17, 2024
if this happen,s, look at /var/log/messages, dmesg and /proc/dtrace/trace
to see what is happening.
tx
On 6 February 2013 23:40, Richard Yao [email protected] wrote:
I am running Linux 3.8-r3. Running a basic dtrace command from Illumos'
dtrace documentation fails:./build-3.8.0-rc3/dtrace -n BEGIN
dtrace: description 'BEGIN' matched 1 probe
CPU ID FUNCTION:NAME
3 1 :BEGIN
dtrace: processing aborted: Invalid argumenthttp://dtrace.org/guide/chapter.html#chp-intro
—
Reply to this email directly or view it on GitHubhttps://github.com//issues/50.
from linux.
ryao
commented on May 17, 2024
Here is /proc/dtrace/trace:
#3 8901:�4dtracedrv loaded: /dev/dtrace available, dtrace_here=0 nr_cpus=4
#3 8901:vmem_create(dtrace) ffff88003f9abcc0
#3 8901:vmem_create(dtrace_minor) ffff88003f9abd80
#3 8901:__alloc_workqueue_key_ptr=ffffffff8105ef00
#1 8901:dtrace_linux.c:get_proc_addr: Failed to find 'lockdep_init_map' (warn=1)
#1 8901:queue_delayed_work_ptr=ffffffff8105caa0
#1 8901:destroy_workqueue_ptr=ffffffff8105d640
#1 8901:flush_workqueue_ptr=ffffffff8105cfe0
#1 8901:delayed_work_timer_fn_ptr=ffffffff8105c7c0
#1 8901:ctf loaded: /dev/ctf now available
#1 8879:dtrace_linux.c:get_proc_addr: Failed to find 'sysrq_showregs_othercpus' (warn=2)
#1 8879:dtrace_linux.c:get_proc_addr: Failed to find 'profile_event_register' (warn=3)
#1 8879:dtrace_linux.c:get_proc_addr: Failed to find 'profile_event_unregister' (warn=4)
#1 8879:dtrace_linux.c:get_proc_addr: Failed to find 'xtime_cache' (warn=5)
#1 8879:profile loaded: /dev/dtrace_profile available
#1 8879:dtrace_linux.c:get_proc_addr: Failed to find 'tcp_event_data_sent' (warn=6)
#1 8879:prcom_add_function: cannot locate 'tcp_event_data_sent'
#1 8879:dcpc.c:dcpc_attach:1326: TODO:please fill me in
#1 8879:dcpc initialised.
#1 8879:sdt loaded: /dev/sdt now available
#1 8879:ctl loaded: /dev/dtrace_ctl now available
#1 8879:dtrace_function_size: do_sync_read ffffffff8114ef00 size=224
#1 8879:io_prov_entry called io:start
#1 8879:io_prov_return called io:start ffffffff8114efcb sz=1
#1 8879:dtrace_function_size: do_sync_write ffffffff8114ee20 size=224
#1 8879:io_prov_entry called io:start
#1 8879:io_prov_return called io:start ffffffff8114eeeb sz=1
#3 8917:fbt:dup patch: ffffffff813c00f1 error_sti
#3 8917:fbt:dup patch: ffffffff813c6e80 __fentry__
#3 8917:fbt:dup patch: ffffffff813c6f2f ftrace_stub
#3 8917:initting a mutex
#3 8917:instr:dup patch: ffffffffa09496a3 cleanup_module-callr
#3 8917:instr:dup patch: ffffffffa0922886 cleanup_module-callr
#3 8917:instr:dup patch: ffffffffa075077f cleanup_module-callr
#3 8917:instr:dup patch: ffffffffa062b234 cleanup_module-callr
#3 8917:instr:dup patch: ffffffffa08b4f0f cleanup_module-je
#3 8917:instr:dup patch: ffffffffa078ad73 cleanup_module-callr
#3 8917:instr:dup patch: ffffffffa07802ae cleanup_module-callr
#3 8917:instr:dup patch: ffffffffa073f034 cleanup_module-callr
#3 8917:instr:dup patch: ffffffffa07e5ce9 cleanup_module-callr
#3 8917:instr:dup patch: ffffffffa0762430 cleanup_module-callr
#3 8917:instr:dup patch: ffffffffa06b669f cleanup_module-callr
#3 8917:instr:dup patch: ffffffffa0703364 cleanup_module-callr
#3 8917:instr:dup patch: ffffffffa067e90c cleanup_module-callr
#3 8917:instr:dup patch: ffffffffa0529d31 cleanup_module-callr
#3 8917:instr:dup patch: ffffffffa0624a67 cleanup_module-callr
#3 8917:instr:dup patch: ffffffffa061a0dd cleanup_module-callr
#3 8917:instr:dup patch: ffffffffa04d8a8f cleanup_module-callr
#3 8917:instr:dup patch: ffffffffa0505853 cleanup_module-callr
#3 8917:instr:dup patch: ffffffffa05ffd32 cleanup_module-callr
#3 8917:instr:dup patch: ffffffffa05a32f1 cleanup_module-callr
#3 8917:instr:dup patch: ffffffffa05493f9 cleanup_module-callr
#3 8917:instr:dup patch: ffffffffa050deb4 cleanup_module-callr
#3 8917:instr:dup patch: ffffffffa051acf0 cleanup_module-callr
#3 8917:instr:dup patch: ffffffffa04fdd9f cleanup_module-callr
#3 8917:instr:dup patch: ffffffffa04a402e cleanup_module-callr
#3 8917:instr:dup patch: ffffffffa04f0457 cleanup_module-callr
#3 8917:instr:dup patch: ffffffffa049d557 cleanup_module-callr
#3 8917:instr:dup patch: ffffffffa04d3b94 cleanup_module-callr
#3 8917:instr:dup patch: ffffffffa04c8a10 cleanup_module-callr
#3 8917:instr:dup patch: ffffffffa04b3708 cleanup_module-callr
#3 8917:instr:dup patch: ffffffffa04615e0 cleanup_module-je
#3 8917:instr:dup patch: ffffffffa04358a7 cleanup_module-callr
#3 8917:instr:dup patch: ffffffffa0487f72 cleanup_module-jne
#3 8917:instr:dup patch: ffffffffa0471e90 cleanup_module-callr
#3 8917:instr:dup patch: ffffffffa045b2fb cleanup_module-callr
#3 8917:instr:dup patch: ffffffffa0442063 cleanup_module-callr
#3 8917:instr:dup patch: ffffffffa0427d37 cleanup_module-callr
#3 8917:instr:dup patch: ffffffffa043aa0b cleanup_module-callr
#3 8917:instr:dup patch: ffffffffa04210eb cleanup_module-callr
#3 8917:instr:dup patch: ffffffffa040d6b7 cleanup_module-callr
#3 8917:instr:dup patch: ffffffffa041818d cleanup_module-callr
#3 8917:instr:dup patch: ffffffffa0406b59 cleanup_module-callr
#3 8917:instr:dup patch: ffffffffa03fd72f cleanup_module-callr
#3 8917:instr:dup patch: ffffffffa03f377b cleanup_module-callr
#3 8917:instr:dup patch: ffffffffa03ed5df cleanup_module-callr
#3 8917:instr:dup patch: ffffffffa03e8104 cleanup_module-callr
#3 8917:instr:dup patch: ffffffffa01db4c7 cleanup_module-callr
#3 8917:instr:dup patch: ffffffffa02163a1 cleanup_module-callr
#3 8917:instr:dup patch: ffffffffa0257d6c cleanup_module-callr
#3 8917:instr:dup patch: ffffffffa01f69fb cleanup_module-callr
#3 8917:instr:dup patch: ffffffffa01cfd64 cleanup_module-callr
#3 8917:instr:dup patch: ffffffffa0197f48 cleanup_module-callr
#3 8917:instr:dup patch: ffffffffa028e3f6 cleanup_module-callr
#3 8917:instr:dup patch: ffffffffa0148c0a cleanup_module-je
#3 8917:instr:dup patch: ffffffffa00dce85 cleanup_module-je
#3 8917:instr:dup patch: ffffffffa00cbec7 cleanup_module-callr
#3 8917:instr:dup patch: ffffffffa00c617f cleanup_module-callr
#3 8917:instr:dup patch: ffffffffa00c156b cleanup_module-callr
#3 8917:instr:dup patch: ffffffffa00bc32b cleanup_module-callr
#3 8917:instr:dup patch: ffffffffa00b6127 cleanup_module-callr
#3 8917:instr:dup patch: ffffffffa00b12ab cleanup_module-callr
#3 8917:instr:dup patch: ffffffffa00ac403 cleanup_module-callr
#3 8917:instr:dup patch: ffffffffa00a7137 cleanup_module-callr
#3 8917:instr:dup patch: ffffffffa00a21f7 cleanup_module-callr
#3 8917:instr:dup patch: ffffffffa00996c3 cleanup_module-callr
#3 8917:instr:dup patch: ffffffffa009432b cleanup_module-callr
#3 8917:instr:dup patch: ffffffffa001200b cleanup_module-callr
#3 8917:instr:dup patch: ffffffffa0081ef3 cleanup_module-callr
#3 8917:instr:dup patch: ffffffffa008f607 cleanup_module-callr
#3 8917:instr:dup patch: ffffffffa0064f07 cleanup_module-callr
#3 8917:instr:dup patch: ffffffffa0077b76 cleanup_module-lock
#3 8917:instr:dup patch: ffffffffa004c5fc cleanup_module-jne
#3 8917:instr:dup patch: ffffffffa0029683 cleanup_module-callr
#3 8917:instr:dup patch: ffffffffa001cc21 cleanup_module-callr
#3 8917:instr:dup patch: ffffffffa000c982 cleanup_module-je
#3 8917:instr:dup patch: ffffffffa00001a3 cleanup_module-callr
#3 8917:fbt:dup patch: ffffffffa09496dc cleanup_module
#3 8917:fbt:dup patch: ffffffffa0922938 cleanup_module
#3 8917:fbt:dup patch: ffffffffa0750791 cleanup_module
#3 8917:fbt:dup patch: ffffffffa062b23a cleanup_module
#3 8917:fbt:dup patch: ffffffffa08b4f2a cleanup_module
#3 8917:fbt:dup patch: ffffffffa078ad79 cleanup_module
#3 8917:fbt:dup patch: ffffffffa0780327 cleanup_module
#3 8917:fbt:dup patch: ffffffffa073f0af cleanup_module
#3 8917:fbt:dup patch: ffffffffa07e5d30 cleanup_module
#3 8917:fbt:dup patch: ffffffffa0762475 cleanup_module
#3 8917:fbt:dup patch: ffffffffa06b66a5 cleanup_module
#3 8917:fbt:dup patch: ffffffffa05374e9 cleanup_module
#3 8917:fbt:dup patch: ffffffffa070336a cleanup_module
#3 8917:fbt:dup patch: ffffffffa067e921 cleanup_module
#3 8917:fbt:dup patch: ffffffffa0529d5b cleanup_module
#3 8917:fbt:dup patch: ffffffffa0624a6d cleanup_module
#3 8917:fbt:dup patch: ffffffffa061a0e3 cleanup_module
#3 8917:fbt:dup patch: ffffffffa04d8aa3 cleanup_module
#3 8917:fbt:dup patch: ffffffffa0505859 cleanup_module
#3 8917:fbt:dup patch: ffffffffa05ffd5c cleanup_module
#3 8917:fbt:dup patch: ffffffffa05a332a cleanup_module
#3 8917:fbt:dup patch: ffffffffa05493ff cleanup_module
#3 8917:fbt:dup patch: ffffffffa050df3c cleanup_module
#3 8917:fbt:dup patch: ffffffffa051acf6 cleanup_module
#3 8917:fbt:dup patch: ffffffffa04fddbd cleanup_module
#3 8917:fbt:dup patch: ffffffffa04a4072 cleanup_module
#3 8917:fbt:dup patch: ffffffffa04f0475 cleanup_module
#3 8917:fbt:dup patch: ffffffffa049d55d cleanup_module
#3 8917:fbt:dup patch: ffffffffa0452145 cleanup_module
#3 8917:fbt:dup patch: ffffffffa04d3b9a cleanup_module
#3 8917:fbt:dup patch: ffffffffa04c8a5d cleanup_module
#3 8917:fbt:dup patch: ffffffffa04b3820 cleanup_module
#3 8917:fbt:dup patch: ffffffffa0461604 cleanup_module
#3 8917:fbt:dup patch: ffffffffa04358ad cleanup_module
#3 8917:fbt:dup patch: ffffffffa0487fc2 cleanup_module
#3 8917:fbt:dup patch: ffffffffa0471eb4 cleanup_module
#3 8917:fbt:dup patch: ffffffffa045b31b cleanup_module
#3 8917:fbt:dup patch: ffffffffa04420a5 cleanup_module
#3 8917:fbt:dup patch: ffffffffa0427d3d cleanup_module
#3 8917:fbt:dup patch: ffffffffa043aa1d cleanup_module
#3 8917:fbt:dup patch: ffffffffa04210f1 cleanup_module
#3 8917:fbt:dup patch: ffffffffa040d6bd cleanup_module
#3 8917:fbt:dup patch: ffffffffa04181b2 cleanup_module
#3 8917:fbt:dup patch: ffffffffa0406b77 cleanup_module
#3 8917:fbt:dup patch: ffffffffa03fd735 cleanup_module
#3 8917:fbt:dup patch: ffffffffa03f3781 cleanup_module
#3 8917:fbt:dup patch: ffffffffa03ed5e5 cleanup_module
#3 8917:fbt:dup patch: ffffffffa03e810a cleanup_module
#3 8917:fbt:dup patch: ffffffffa01db4cd cleanup_module
#3 8917:fbt:dup patch: ffffffffa02163fb cleanup_module
#3 8917:fbt:dup patch: ffffffffa0257d86 cleanup_module
#3 8917:fbt:dup patch: ffffffffa01f6a4f cleanup_module
#3 8917:fbt:dup patch: ffffffffa01cfd82 cleanup_module
#3 8917:fbt:dup patch: ffffffffa0197f73 cleanup_module
#3 8917:fbt:dup patch: ffffffffa028e419 cleanup_module
#3 8917:fbt:dup patch: ffffffffa0148c86 cleanup_module
#3 8917:fbt:dup patch: ffffffffa00dce9b cleanup_module
#3 8917:fbt:dup patch: ffffffffa00cbecd cleanup_module
#3 8917:fbt:dup patch: ffffffffa00c6185 cleanup_module
#3 8917:fbt:dup patch: ffffffffa00c1571 cleanup_module
#3 8917:fbt:dup patch: ffffffffa00bc331 cleanup_module
#3 8917:fbt:dup patch: ffffffffa00b612d cleanup_module
#3 8917:fbt:dup patch: ffffffffa00b12b1 cleanup_module
#3 8917:fbt:dup patch: ffffffffa00ac409 cleanup_module
#3 8917:fbt:dup patch: ffffffffa00a713d cleanup_module
#3 8917:fbt:dup patch: ffffffffa00a21fd cleanup_module
#3 8917:fbt:dup patch: ffffffffa00996c9 cleanup_module
#3 8917:fbt:dup patch: ffffffffa0094331 cleanup_module
#3 8917:fbt:dup patch: ffffffffa0012011 cleanup_module
#3 8917:fbt:dup patch: ffffffffa0081efe cleanup_module
#3 8917:fbt:dup patch: ffffffffa008f639 cleanup_module
#3 8917:fbt:dup patch: ffffffffa0064f0d cleanup_module
#3 8917:fbt:dup patch: ffffffffa0077b7f cleanup_module
#3 8917:fbt:dup patch: ffffffffa004c64f cleanup_module
#3 8917:fbt:dup patch: ffffffffa002969a cleanup_module
#3 8917:fbt:dup patch: ffffffffa001cc38 cleanup_module
#3 8917:fbt:dup patch: ffffffffa000c9f2 cleanup_module
#3 8917:fbt:dup patch: ffffffffa00001a9 cleanup_module
#3 8917:dtrace_linux.c:get_proc_addr: Failed to find 'sys32_clone' (warn=7)
#3 8917:dtrace_linux.c:get_proc_addr: Failed to find 'sys32_execve' (warn=8)
#3 8917:vmem_create(dtrace_aggid_0) ffff8800c393ba80
#0 8917:teardown start xcalls=19 probes=0
#0 8917:teardown done 0.000000000 xcalls=20 probes=0
#0 8922:vmem_create(dtrace_aggid_0) ffff88013ee93e40
#0 8922:teardown start xcalls=28 probes=1
#0 8922:teardown done 0.000000000 xcalls=33 probes=0
Here is an excerpt from dmesg:
[21500.124199] BUG: using smp_processor_id() in preemptible [00000000] code: insmod/8901
[21500.124225] caller is dtrace_vprintf+0x65/0x960 [dtracedrv]
[21500.124228] Pid: 8901, comm: insmod Tainted: P O 3.8.0-rc3 #2
[21500.124229] Call Trace:
[21500.124237] [<ffffffff81215fec>] debug_smp_processor_id+0xdc/0x100
[21500.124260] [<ffffffffa07a4000>] ? 0xffffffffa07a3fff
[21500.124272] [<ffffffffa098ac65>] dtrace_vprintf+0x65/0x960 [dtracedrv]
[21500.124276] [<ffffffffa07a4000>] ? 0xffffffffa07a3fff
[21500.124288] [<ffffffffa099346d>] printk+0x41/0x45 [dtracedrv]
[21500.124296] [<ffffffffa07a4293>] dtracedrv_init+0x293/0x1000 [dtracedrv]
[21500.124300] [<ffffffff8100020f>] do_one_initcall+0x3f/0x170
[21500.124304] [<ffffffff810a14d1>] load_module+0x1671/0x1cd0
[21500.124308] [<ffffffff8109de30>] ? get_modinfo.isra.37+0xc0/0xc0
[21500.124310] [<ffffffff810a1c08>] sys_init_module+0xd8/0x110
[21500.124314] [<ffffffff813c72d9>] system_call_fastpath+0x16/0x1b
[21500.124316] BUG: using smp_processor_id() in preemptible [00000000] code: insmod/8901
[21500.124328] caller is dtrace_vprintf+0x23b/0x960 [dtracedrv]
[21500.124330] Pid: 8901, comm: insmod Tainted: P O 3.8.0-rc3 #2
[21500.124331] Call Trace:
[21500.124334] [<ffffffff81215fec>] debug_smp_processor_id+0xdc/0x100
[21500.124338] [<ffffffffa07a4000>] ? 0xffffffffa07a3fff
[21500.124350] [<ffffffffa098ae3b>] dtrace_vprintf+0x23b/0x960 [dtracedrv]
[21500.124354] [<ffffffffa07a4000>] ? 0xffffffffa07a3fff
[21500.124368] [<ffffffffa099346d>] printk+0x41/0x45 [dtracedrv]
[21500.124387] [<ffffffffa07a4293>] dtracedrv_init+0x293/0x1000 [dtracedrv]
[21500.124390] [<ffffffff8100020f>] do_one_initcall+0x3f/0x170
[21500.124393] [<ffffffff810a14d1>] load_module+0x1671/0x1cd0
[21500.124395] [<ffffffff8109de30>] ? get_modinfo.isra.37+0xc0/0xc0
[21500.124399] [<ffffffff810a1c08>] sys_init_module+0xd8/0x110
[21500.124405] [<ffffffff813c72d9>] system_call_fastpath+0x16/0x1b
[21500.124409] BUG: using smp_processor_id() in preemptible [00000000] code: insmod/8901
[21500.124421] caller is mutex_enter_common+0x10d/0x130 [dtracedrv]
[21500.124423] Pid: 8901, comm: insmod Tainted: P O 3.8.0-rc3 #2
[21500.124424] Call Trace:
[21500.124427] [<ffffffff81215fec>] debug_smp_processor_id+0xdc/0x100
[21500.124440] [<ffffffffa098a99d>] mutex_enter_common+0x10d/0x130 [dtracedrv]
[21500.124443] [<ffffffffa07a4000>] ? 0xffffffffa07a3fff
[21500.124456] [<ffffffffa098aa18>] mutex_enter+0x38/0x70 [dtracedrv]
[21500.124471] [<ffffffffa09763fb>] dtrace_attach+0x2b/0x730 [dtracedrv]
[21500.124483] [<ffffffffa099346d>] ? printk+0x41/0x45 [dtracedrv]
[21500.124492] [<ffffffffa07a429c>] dtracedrv_init+0x29c/0x1000 [dtracedrv]
[21500.124495] [<ffffffff8100020f>] do_one_initcall+0x3f/0x170
[21500.124497] [<ffffffff810a14d1>] load_module+0x1671/0x1cd0
[21500.124500] [<ffffffff8109de30>] ? get_modinfo.isra.37+0xc0/0xc0
[21500.124507] [<ffffffff810a1c08>] sys_init_module+0xd8/0x110
[21500.124509] [<ffffffff813c72d9>] system_call_fastpath+0x16/0x1b
[21500.124512] BUG: using smp_processor_id() in preemptible [00000000] code: insmod/8901
[21500.124524] caller is mutex_enter_common+0x10d/0x130 [dtracedrv]
[21500.124525] Pid: 8901, comm: insmod Tainted: P O 3.8.0-rc3 #2
[21500.124526] Call Trace:
[21500.124529] [<ffffffff81215fec>] debug_smp_processor_id+0xdc/0x100
[21500.124542] [<ffffffffa098a99d>] mutex_enter_common+0x10d/0x130 [dtracedrv]
[21500.124545] [<ffffffffa07a4000>] ? 0xffffffffa07a3fff
[21500.124558] [<ffffffffa098aa18>] mutex_enter+0x38/0x70 [dtracedrv]
[21500.124569] [<ffffffffa0976407>] dtrace_attach+0x37/0x730 [dtracedrv]
[21500.124581] [<ffffffffa099346d>] ? printk+0x41/0x45 [dtracedrv]
[21500.124589] [<ffffffffa07a429c>] dtracedrv_init+0x29c/0x1000 [dtracedrv]
[21500.124592] [<ffffffff8100020f>] do_one_initcall+0x3f/0x170
[21500.124594] [<ffffffff810a14d1>] load_module+0x1671/0x1cd0
[21500.124597] [<ffffffff8109de30>] ? get_modinfo.isra.37+0xc0/0xc0
[21500.124600] [<ffffffff810a1c08>] sys_init_module+0xd8/0x110
[21500.124603] [<ffffffff813c72d9>] system_call_fastpath+0x16/0x1b
[21500.124605] BUG: using smp_processor_id() in preemptible [00000000] code: insmod/8901
[21500.124617] caller is mutex_enter_common+0x10d/0x130 [dtracedrv]
[21500.124619] Pid: 8901, comm: insmod Tainted: P O 3.8.0-rc3 #2
[21500.124620] Call Trace:
[21500.124623] [<ffffffff81215fec>] debug_smp_processor_id+0xdc/0x100
[21500.124635] [<ffffffffa098a99d>] mutex_enter_common+0x10d/0x130 [dtracedrv]
[21500.124639] [<ffffffffa07a4000>] ? 0xffffffffa07a3fff
[21500.124651] [<ffffffffa098aa18>] mutex_enter+0x38/0x70 [dtracedrv]
[21500.124662] [<ffffffffa0976413>] dtrace_attach+0x43/0x730 [dtracedrv]
[21500.124674] [<ffffffffa099346d>] ? printk+0x41/0x45 [dtracedrv]
[21500.124682] [<ffffffffa07a429c>] dtracedrv_init+0x29c/0x1000 [dtracedrv]
[21500.124685] [<ffffffff8100020f>] do_one_initcall+0x3f/0x170
[21500.124688] [<ffffffff810a14d1>] load_module+0x1671/0x1cd0
[21500.124691] [<ffffffff8109de30>] ? get_modinfo.isra.37+0xc0/0xc0
[21500.124694] [<ffffffff810a1c08>] sys_init_module+0xd8/0x110
[21500.124696] [<ffffffff813c72d9>] system_call_fastpath+0x16/0x1b
[21500.124700] BUG: using smp_processor_id() in preemptible [00000000] code: insmod/8901
[21500.124712] caller is dtrace_vprintf+0x65/0x960 [dtracedrv]
[21500.124713] Pid: 8901, comm: insmod Tainted: P O 3.8.0-rc3 #2
[21500.124715] Call Trace:
[21500.124718] [<ffffffff81215fec>] debug_smp_processor_id+0xdc/0x100
[21500.124730] [<ffffffffa098ac65>] dtrace_vprintf+0x65/0x960 [dtracedrv]
[21500.124742] [<ffffffffa098b5a1>] dtrace_printf+0x41/0x50 [dtracedrv]
[21500.124755] [<ffffffffa097f02a>] vmem_create+0x8a/0xa0 [dtracedrv]
[21500.124758] [<ffffffffa07a4000>] ? 0xffffffffa07a3fff
[21500.124769] [<ffffffffa097646d>] dtrace_attach+0x9d/0x730 [dtracedrv]
[21500.124779] [<ffffffffa07a429c>] dtracedrv_init+0x29c/0x1000 [dtracedrv]
[21500.124782] [<ffffffff8100020f>] do_one_initcall+0x3f/0x170
[21500.124785] [<ffffffff810a14d1>] load_module+0x1671/0x1cd0
[21500.124788] [<ffffffff8109de30>] ? get_modinfo.isra.37+0xc0/0xc0
[21500.124795] [<ffffffff810a1c08>] sys_init_module+0xd8/0x110
[21500.124798] [<ffffffff813c72d9>] system_call_fastpath+0x16/0x1b
[21500.124800] BUG: using smp_processor_id() in preemptible [00000000] code: insmod/8901
[21500.124812] caller is dtrace_vprintf+0x23b/0x960 [dtracedrv]
[21500.124813] Pid: 8901, comm: insmod Tainted: P O 3.8.0-rc3 #2
[21500.124814] Call Trace:
[21500.124817] [<ffffffff81215fec>] debug_smp_processor_id+0xdc/0x100
[21500.124830] [<ffffffffa098ae3b>] dtrace_vprintf+0x23b/0x960 [dtracedrv]
[21500.124842] [<ffffffffa098b5a1>] dtrace_printf+0x41/0x50 [dtracedrv]
[21500.124854] [<ffffffffa097f02a>] vmem_create+0x8a/0xa0 [dtracedrv]
[21500.124857] [<ffffffffa07a4000>] ? 0xffffffffa07a3fff
[21500.124868] [<ffffffffa097646d>] dtrace_attach+0x9d/0x730 [dtracedrv]
[21500.124876] [<ffffffffa07a429c>] dtracedrv_init+0x29c/0x1000 [dtracedrv]
[21500.124884] [<ffffffff8100020f>] do_one_initcall+0x3f/0x170
[21500.124887] [<ffffffff810a14d1>] load_module+0x1671/0x1cd0
[21500.124890] [<ffffffff8109de30>] ? get_modinfo.isra.37+0xc0/0xc0
[21500.124893] [<ffffffff810a1c08>] sys_init_module+0xd8/0x110
[21500.124896] [<ffffffff813c72d9>] system_call_fastpath+0x16/0x1b
[21500.124898] BUG: using smp_processor_id() in preemptible [00000000] code: insmod/8901
[21500.124910] caller is dtrace_vprintf+0x65/0x960 [dtracedrv]
[21500.124912] Pid: 8901, comm: insmod Tainted: P O 3.8.0-rc3 #2
[21500.124913] Call Trace:
[21500.124916] [<ffffffff81215fec>] debug_smp_processor_id+0xdc/0x100
[21500.124929] [<ffffffffa098ac65>] dtrace_vprintf+0x65/0x960 [dtracedrv]
[21500.124941] [<ffffffffa098b5a1>] dtrace_printf+0x41/0x50 [dtracedrv]
[21500.124952] [<ffffffffa097f02a>] vmem_create+0x8a/0xa0 [dtracedrv]
[21500.124956] [<ffffffffa07a4000>] ? 0xffffffffa07a3fff
[21500.124967] [<ffffffffa09764ae>] dtrace_attach+0xde/0x730 [dtracedrv]
[21500.124975] [<ffffffffa07a429c>] dtracedrv_init+0x29c/0x1000 [dtracedrv]
[21500.124978] [<ffffffff8100020f>] do_one_initcall+0x3f/0x170
[21500.124980] [<ffffffff810a14d1>] load_module+0x1671/0x1cd0
[21500.124983] [<ffffffff8109de30>] ? get_modinfo.isra.37+0xc0/0xc0
[21500.124986] [<ffffffff810a1c08>] sys_init_module+0xd8/0x110
[21500.124989] [<ffffffff813c72d9>] system_call_fastpath+0x16/0x1b
[21500.124991] BUG: using smp_processor_id() in preemptible [00000000] code: insmod/8901
[21500.125017] caller is dtrace_vprintf+0x23b/0x960 [dtracedrv]
[21500.125019] Pid: 8901, comm: insmod Tainted: P O 3.8.0-rc3 #2
[21500.125021] Call Trace:
[21500.125024] [<ffffffff81215fec>] debug_smp_processor_id+0xdc/0x100
[21500.125038] [<ffffffffa098ae3b>] dtrace_vprintf+0x23b/0x960 [dtracedrv]
[21500.125050] [<ffffffffa098b5a1>] dtrace_printf+0x41/0x50 [dtracedrv]
[21500.125069] [<ffffffffa097f02a>] vmem_create+0x8a/0xa0 [dtracedrv]
[21500.125083] [<ffffffffa07a4000>] ? 0xffffffffa07a3fff
[21500.125095] [<ffffffffa09764ae>] dtrace_attach+0xde/0x730 [dtracedrv]
[21500.125105] [<ffffffffa07a429c>] dtracedrv_init+0x29c/0x1000 [dtracedrv]
[21500.125122] [<ffffffff8100020f>] do_one_initcall+0x3f/0x170
[21500.125147] [<ffffffff810a14d1>] load_module+0x1671/0x1cd0
[21500.125153] [<ffffffff8109de30>] ? get_modinfo.isra.37+0xc0/0xc0
[21500.125156] [<ffffffff810a1c08>] sys_init_module+0xd8/0x110
[21500.125159] [<ffffffff813c72d9>] system_call_fastpath+0x16/0x1b
[21500.125401] BUG: using smp_processor_id() in preemptible [00000000] code: insmod/8901
[21500.125413] caller is dtrace_vprintf+0x65/0x960 [dtracedrv]
[21500.125415] Pid: 8901, comm: insmod Tainted: P O 3.8.0-rc3 #2
[21500.125416] Call Trace:
[21500.125419] [<ffffffff81215fec>] debug_smp_processor_id+0xdc/0x100
[21500.125422] [<ffffffffa07a4000>] ? 0xffffffffa07a3fff
[21500.125435] [<ffffffffa098ac65>] dtrace_vprintf+0x65/0x960 [dtracedrv]
[21500.125438] [<ffffffffa07a4000>] ? 0xffffffffa07a3fff
[21500.125450] [<ffffffffa099346d>] printk+0x41/0x45 [dtracedrv]
[21500.125454] [<ffffffff8105ef00>] ? worker_thread+0x3f0/0x3f0
[21500.125466] [<ffffffffa0990e26>] taskq_create+0x66/0x150 [dtracedrv]
[21500.125481] [<ffffffffa09764d9>] dtrace_attach+0x109/0x730 [dtracedrv]
[21500.125489] [<ffffffffa07a429c>] dtracedrv_init+0x29c/0x1000 [dtracedrv]
[21500.125492] [<ffffffff8100020f>] do_one_initcall+0x3f/0x170
[21500.125495] [<ffffffff810a14d1>] load_module+0x1671/0x1cd0
[21500.125498] [<ffffffff8109de30>] ? get_modinfo.isra.37+0xc0/0xc0
[21500.125501] [<ffffffff810a1c08>] sys_init_module+0xd8/0x110
[21500.125504] [<ffffffff813c72d9>] system_call_fastpath+0x16/0x1b
[21502.317912] Pid: 8917, comm: dtrace Tainted: P O 3.8.0-rc3 #2
[21502.317915] Call Trace:
[21502.317935] [<ffffffffa098a8c6>] mutex_enter_common+0x36/0x130 [dtracedrv]
[21502.317946] [<ffffffffa098a9db>] dmutex_enter+0x1b/0x20 [dtracedrv]
[21502.317956] [<ffffffffa097e54e>] par_alloc+0x2e/0x110 [dtracedrv]
[21502.317967] [<ffffffffa098897e>] instr_provide_module+0x3e/0x250 [dtracedrv]
[21502.317978] [<ffffffffa098a99d>] ? mutex_enter_common+0x10d/0x130 [dtracedrv]
[21502.317987] [<ffffffffa096ea03>] dtrace_probe_provide+0x93/0x140 [dtracedrv]
[21502.317995] [<ffffffffa0976b65>] dtrace_open+0x65/0x140 [dtracedrv]
[21502.318001] [<ffffffffa097d245>] dtracedrv_open+0x25/0x30 [dtracedrv]
[21502.318024] [<ffffffff8128b618>] misc_open+0xb8/0x1c0
[21502.318028] [<ffffffff81153b11>] chrdev_open+0xa1/0x1b0
[21502.318032] [<ffffffff8106ce3d>] ? lg_local_unlock+0x2d/0x60
[21502.318035] [<ffffffff81153a70>] ? cdev_put+0x30/0x30
[21502.318039] [<ffffffff8114d716>] do_dentry_open.isra.16+0x206/0x290
[21502.318042] [<ffffffff8114d7c2>] finish_open+0x22/0x40
[21502.318045] [<ffffffff8115ddae>] do_last+0x73e/0xe30
[21502.318048] [<ffffffff8115a928>] ? inode_permission+0x18/0x50
[21502.318050] [<ffffffff8115ab8d>] ? link_path_walk+0x22d/0x920
[21502.318053] [<ffffffff8115e553>] path_openat+0xb3/0x4a0
[21502.318057] [<ffffffff811283c1>] ? handle_mm_fault+0x241/0x340
[21502.318061] [<ffffffff8115ed52>] do_filp_open+0x42/0xa0
[21502.318088] [<ffffffff813bf558>] ? _raw_spin_unlock+0x18/0x40
[21502.318092] [<ffffffff8116c3f7>] ? __alloc_fd+0xd7/0x120
[21502.318095] [<ffffffff8114eb6e>] do_sys_open+0xfe/0x1e0
[21502.318097] [<ffffffff8114ec71>] sys_open+0x21/0x30
[21502.318100] [<ffffffff813c72d9>] system_call_fastpath+0x16/0x1b
[21544.123924] debug_smp_processor_id: 1351088 callbacks suppressed
[21544.123927] BUG: using smp_processor_id() in preemptible [00000000] code: dtrace/8922
[21544.123942] caller is CRED+0x1a/0x60 [dtracedrv]
[21544.123944] Pid: 8922, comm: dtrace Tainted: P O 3.8.0-rc3 #2
[21544.123946] Call Trace:
[21544.123953] [<ffffffff81215fec>] debug_smp_processor_id+0xdc/0x100
[21544.123962] [<ffffffffa097d1da>] CRED+0x1a/0x60 [dtracedrv]
[21544.123971] [<ffffffffa097d236>] dtracedrv_open+0x16/0x30 [dtracedrv]
[21544.123975] [<ffffffff8128b618>] misc_open+0xb8/0x1c0
[21544.123979] [<ffffffff81153b11>] chrdev_open+0xa1/0x1b0
[21544.123983] [<ffffffff8106ce3d>] ? lg_local_unlock+0x2d/0x60
[21544.123985] [<ffffffff81153a70>] ? cdev_put+0x30/0x30
[21544.123988] [<ffffffff8114d716>] do_dentry_open.isra.16+0x206/0x290
[21544.123991] [<ffffffff8114d7c2>] finish_open+0x22/0x40
[21544.123994] [<ffffffff8115ddae>] do_last+0x73e/0xe30
[21544.123997] [<ffffffff8115a928>] ? inode_permission+0x18/0x50
[21544.124019] [<ffffffff8115ab8d>] ? link_path_walk+0x22d/0x920
[21544.124022] [<ffffffff8115e553>] path_openat+0xb3/0x4a0
[21544.124026] [<ffffffff811283c1>] ? handle_mm_fault+0x241/0x340
[21544.124029] [<ffffffff8112da65>] ? do_brk+0x295/0x330
[21544.124032] [<ffffffff8115ed52>] do_filp_open+0x42/0xa0
[21544.124036] [<ffffffff813bf558>] ? _raw_spin_unlock+0x18/0x40
[21544.124039] [<ffffffff8116c3f7>] ? __alloc_fd+0xd7/0x120
[21544.124042] [<ffffffff8114eb6e>] do_sys_open+0xfe/0x1e0
[21544.124045] [<ffffffff8114ec71>] sys_open+0x21/0x30
[21544.124048] [<ffffffff813c72d9>] system_call_fastpath+0x16/0x1b
[21544.124053] BUG: using smp_processor_id() in preemptible [00000000] code: dtrace/8922
[21544.124064] caller is mutex_enter_common+0x10d/0x130 [dtracedrv]
[21544.124067] Pid: 8922, comm: dtrace Tainted: P O 3.8.0-rc3 #2
[21544.124068] Call Trace:
[21544.124074] [<ffffffff81215fec>] debug_smp_processor_id+0xdc/0x100
[21544.124089] [<ffffffffa098a99d>] mutex_enter_common+0x10d/0x130 [dtracedrv]
[21544.124103] [<ffffffffa098aa18>] mutex_enter+0x38/0x70 [dtracedrv]
[21544.124112] [<ffffffffa0976b5c>] dtrace_open+0x5c/0x140 [dtracedrv]
[21544.124121] [<ffffffffa097d245>] dtracedrv_open+0x25/0x30 [dtracedrv]
[21544.124123] [<ffffffff8128b618>] misc_open+0xb8/0x1c0
[21544.124126] [<ffffffff81153b11>] chrdev_open+0xa1/0x1b0
[21544.124129] [<ffffffff8106ce3d>] ? lg_local_unlock+0x2d/0x60
[21544.124131] [<ffffffff81153a70>] ? cdev_put+0x30/0x30
[21544.124134] [<ffffffff8114d716>] do_dentry_open.isra.16+0x206/0x290
[21544.124136] [<ffffffff8114d7c2>] finish_open+0x22/0x40
[21544.124139] [<ffffffff8115ddae>] do_last+0x73e/0xe30
[21544.124141] [<ffffffff8115a928>] ? inode_permission+0x18/0x50
[21544.124144] [<ffffffff8115ab8d>] ? link_path_walk+0x22d/0x920
[21544.124147] [<ffffffff8115e553>] path_openat+0xb3/0x4a0
[21544.124149] [<ffffffff811283c1>] ? handle_mm_fault+0x241/0x340
[21544.124152] [<ffffffff8112da65>] ? do_brk+0x295/0x330
[21544.124155] [<ffffffff8115ed52>] do_filp_open+0x42/0xa0
[21544.124157] [<ffffffff813bf558>] ? _raw_spin_unlock+0x18/0x40
[21544.124160] [<ffffffff8116c3f7>] ? __alloc_fd+0xd7/0x120
[21544.124163] [<ffffffff8114eb6e>] do_sys_open+0xfe/0x1e0
[21544.124165] [<ffffffff8114ec71>] sys_open+0x21/0x30
[21544.124168] [<ffffffff813c72d9>] system_call_fastpath+0x16/0x1b
[21544.124171] BUG: using smp_processor_id() in preemptible [00000000] code: dtrace/8922
[21544.124181] caller is mutex_enter_common+0x10d/0x130 [dtracedrv]
[21544.124183] Pid: 8922, comm: dtrace Tainted: P O 3.8.0-rc3 #2
[21544.124184] Call Trace:
[21544.124187] [<ffffffff81215fec>] debug_smp_processor_id+0xdc/0x100
[21544.124198] [<ffffffffa098a99d>] mutex_enter_common+0x10d/0x130 [dtracedrv]
[21544.124209] [<ffffffffa098a9db>] dmutex_enter+0x1b/0x20 [dtracedrv]
[21544.124217] [<ffffffffa096e9c9>] dtrace_probe_provide+0x59/0x140 [dtracedrv]
[21544.124226] [<ffffffffa0976b65>] dtrace_open+0x65/0x140 [dtracedrv]
[21544.124235] [<ffffffffa097d245>] dtracedrv_open+0x25/0x30 [dtracedrv]
[21544.124237] [<ffffffff8128b618>] misc_open+0xb8/0x1c0
[21544.124240] [<ffffffff81153b11>] chrdev_open+0xa1/0x1b0
[21544.124243] [<ffffffff8106ce3d>] ? lg_local_unlock+0x2d/0x60
[21544.124245] [<ffffffff81153a70>] ? cdev_put+0x30/0x30
[21544.124248] [<ffffffff8114d716>] do_dentry_open.isra.16+0x206/0x290
[21544.124250] [<ffffffff8114d7c2>] finish_open+0x22/0x40
[21544.124253] [<ffffffff8115ddae>] do_last+0x73e/0xe30
[21544.124256] [<ffffffff8115a928>] ? inode_permission+0x18/0x50
[21544.124258] [<ffffffff8115ab8d>] ? link_path_walk+0x22d/0x920
[21544.124261] [<ffffffff8115e553>] path_openat+0xb3/0x4a0
[21544.124264] [<ffffffff811283c1>] ? handle_mm_fault+0x241/0x340
[21544.124266] [<ffffffff8112da65>] ? do_brk+0x295/0x330
[21544.124269] [<ffffffff8115ed52>] do_filp_open+0x42/0xa0
[21544.124272] [<ffffffff813bf558>] ? _raw_spin_unlock+0x18/0x40
[21544.124274] [<ffffffff8116c3f7>] ? __alloc_fd+0xd7/0x120
[21544.124277] [<ffffffff8114eb6e>] do_sys_open+0xfe/0x1e0
[21544.124280] [<ffffffff8114ec71>] sys_open+0x21/0x30
[21544.124282] [<ffffffff813c72d9>] system_call_fastpath+0x16/0x1b
[21544.124319] BUG: using smp_processor_id() in preemptible [00000000] code: dtrace/8922
[21544.124329] caller is mutex_enter_common+0x10d/0x130 [dtracedrv]
[21544.124331] Pid: 8922, comm: dtrace Tainted: P O 3.8.0-rc3 #2
[21544.124332] Call Trace:
[21544.124335] [<ffffffff81215fec>] debug_smp_processor_id+0xdc/0x100
[21544.124346] [<ffffffffa098a99d>] mutex_enter_common+0x10d/0x130 [dtracedrv]
[21544.124357] [<ffffffffa098a9db>] dmutex_enter+0x1b/0x20 [dtracedrv]
[21544.124365] [<ffffffffa096e9c9>] dtrace_probe_provide+0x59/0x140 [dtracedrv]
[21544.124374] [<ffffffffa0976b65>] dtrace_open+0x65/0x140 [dtracedrv]
[21544.124383] [<ffffffffa097d245>] dtracedrv_open+0x25/0x30 [dtracedrv]
[21544.124385] [<ffffffff8128b618>] misc_open+0xb8/0x1c0
[21544.124388] [<ffffffff81153b11>] chrdev_open+0xa1/0x1b0
[21544.124391] [<ffffffff8106ce3d>] ? lg_local_unlock+0x2d/0x60
[21544.124393] [<ffffffff81153a70>] ? cdev_put+0x30/0x30
[21544.124396] [<ffffffff8114d716>] do_dentry_open.isra.16+0x206/0x290
[21544.124398] [<ffffffff8114d7c2>] finish_open+0x22/0x40
[21544.124401] [<ffffffff8115ddae>] do_last+0x73e/0xe30
[21544.124404] [<ffffffff8115a928>] ? inode_permission+0x18/0x50
[21544.124406] [<ffffffff8115ab8d>] ? link_path_walk+0x22d/0x920
[21544.124409] [<ffffffff8115e553>] path_openat+0xb3/0x4a0
[21544.124412] [<ffffffff811283c1>] ? handle_mm_fault+0x241/0x340
[21544.124414] [<ffffffff8112da65>] ? do_brk+0x295/0x330
[21544.124417] [<ffffffff8115ed52>] do_filp_open+0x42/0xa0
[21544.124420] [<ffffffff813bf558>] ? _raw_spin_unlock+0x18/0x40
[21544.124422] [<ffffffff8116c3f7>] ? __alloc_fd+0xd7/0x120
[21544.124425] [<ffffffff8114eb6e>] do_sys_open+0xfe/0x1e0
[21544.124428] [<ffffffff8114ec71>] sys_open+0x21/0x30
[21544.124430] [<ffffffff813c72d9>] system_call_fastpath+0x16/0x1b
[21544.124433] BUG: using smp_processor_id() in preemptible [00000000] code: dtrace/8922
[21544.124443] caller is mutex_enter_common+0x10d/0x130 [dtracedrv]
[21544.124445] Pid: 8922, comm: dtrace Tainted: P O 3.8.0-rc3 #2
[21544.124446] Call Trace:
[21544.124449] [<ffffffff81215fec>] debug_smp_processor_id+0xdc/0x100
[21544.124460] [<ffffffffa098a99d>] mutex_enter_common+0x10d/0x130 [dtracedrv]
[21544.124470] [<ffffffffa098a9db>] dmutex_enter+0x1b/0x20 [dtracedrv]
[21544.124480] [<ffffffffa097e54e>] par_alloc+0x2e/0x110 [dtracedrv]
[21544.124491] [<ffffffffa098897e>] instr_provide_module+0x3e/0x250 [dtracedrv]
[21544.124501] [<ffffffffa098a99d>] ? mutex_enter_common+0x10d/0x130 [dtracedrv]
[21544.124510] [<ffffffffa096ea03>] dtrace_probe_provide+0x93/0x140 [dtracedrv]
[21544.124518] [<ffffffffa0976b65>] dtrace_open+0x65/0x140 [dtracedrv]
[21544.124527] [<ffffffffa097d245>] dtracedrv_open+0x25/0x30 [dtracedrv]
[21544.124530] [<ffffffff8128b618>] misc_open+0xb8/0x1c0
[21544.124532] [<ffffffff81153b11>] chrdev_open+0xa1/0x1b0
[21544.124535] [<ffffffff8106ce3d>] ? lg_local_unlock+0x2d/0x60
[21544.124537] [<ffffffff81153a70>] ? cdev_put+0x30/0x30
[21544.124540] [<ffffffff8114d716>] do_dentry_open.isra.16+0x206/0x290
[21544.124543] [<ffffffff8114d7c2>] finish_open+0x22/0x40
[21544.124545] [<ffffffff8115ddae>] do_last+0x73e/0xe30
[21544.124548] [<ffffffff8115a928>] ? inode_permission+0x18/0x50
[21544.124550] [<ffffffff8115ab8d>] ? link_path_walk+0x22d/0x920
[21544.124553] [<ffffffff8115e553>] path_openat+0xb3/0x4a0
[21544.124556] [<ffffffff811283c1>] ? handle_mm_fault+0x241/0x340
[21544.124558] [<ffffffff8112da65>] ? do_brk+0x295/0x330
[21544.124561] [<ffffffff8115ed52>] do_filp_open+0x42/0xa0
[21544.124564] [<ffffffff813bf558>] ? _raw_spin_unlock+0x18/0x40
[21544.124566] [<ffffffff8116c3f7>] ? __alloc_fd+0xd7/0x120
[21544.124569] [<ffffffff8114eb6e>] do_sys_open+0xfe/0x1e0
[21544.124572] [<ffffffff8114ec71>] sys_open+0x21/0x30
[21544.124574] [<ffffffff813c72d9>] system_call_fastpath+0x16/0x1b
[21544.124597] BUG: using smp_processor_id() in preemptible [00000000] code: dtrace/8922
[21544.124607] caller is mutex_enter_common+0x10d/0x130 [dtracedrv]
[21544.124608] Pid: 8922, comm: dtrace Tainted: P O 3.8.0-rc3 #2
[21544.124609] Call Trace:
[21544.124611] [<ffffffff81215fec>] debug_smp_processor_id+0xdc/0x100
[21544.124621] [<ffffffffa098a99d>] mutex_enter_common+0x10d/0x130 [dtracedrv]
[21544.124633] [<ffffffffa098a9db>] dmutex_enter+0x1b/0x20 [dtracedrv]
[21544.124643] [<ffffffffa097e54e>] par_alloc+0x2e/0x110 [dtracedrv]
[21544.124659] [<ffffffffa098897e>] instr_provide_module+0x3e/0x250 [dtracedrv]
[21544.124669] [<ffffffffa098a99d>] ? mutex_enter_common+0x10d/0x130 [dtracedrv]
[21544.124677] [<ffffffffa096ea03>] dtrace_probe_provide+0x93/0x140 [dtracedrv]
[21544.124685] [<ffffffffa0976b65>] dtrace_open+0x65/0x140 [dtracedrv]
[21544.124694] [<ffffffffa097d245>] dtracedrv_open+0x25/0x30 [dtracedrv]
[21544.124697] [<ffffffff8128b618>] misc_open+0xb8/0x1c0
[21544.124700] [<ffffffff81153b11>] chrdev_open+0xa1/0x1b0
[21544.124702] [<ffffffff8106ce3d>] ? lg_local_unlock+0x2d/0x60
[21544.124704] [<ffffffff81153a70>] ? cdev_put+0x30/0x30
[21544.124705] [<ffffffff8114d716>] do_dentry_open.isra.16+0x206/0x290
[21544.124707] [<ffffffff8114d7c2>] finish_open+0x22/0x40
[21544.124709] [<ffffffff8115ddae>] do_last+0x73e/0xe30
[21544.124713] [<ffffffff8115a928>] ? inode_permission+0x18/0x50
[21544.124716] [<ffffffff8115ab8d>] ? link_path_walk+0x22d/0x920
[21544.124718] [<ffffffff8115e553>] path_openat+0xb3/0x4a0
[21544.124719] [<ffffffff811283c1>] ? handle_mm_fault+0x241/0x340
[21544.124723] [<ffffffff8112da65>] ? do_brk+0x295/0x330
[21544.124726] [<ffffffff8115ed52>] do_filp_open+0x42/0xa0
[21544.124728] [<ffffffff813bf558>] ? _raw_spin_unlock+0x18/0x40
[21544.124731] [<ffffffff8116c3f7>] ? __alloc_fd+0xd7/0x120
[21544.124733] [<ffffffff8114eb6e>] do_sys_open+0xfe/0x1e0
[21544.124735] [<ffffffff8114ec71>] sys_open+0x21/0x30
[21544.124736] [<ffffffff813c72d9>] system_call_fastpath+0x16/0x1b
[21544.124740] BUG: using smp_processor_id() in preemptible [00000000] code: dtrace/8922
[21544.124749] caller is mutex_enter_common+0x10d/0x130 [dtracedrv]
[21544.124751] Pid: 8922, comm: dtrace Tainted: P O 3.8.0-rc3 #2
[21544.124756] Call Trace:
[21544.124758] [<ffffffff81215fec>] debug_smp_processor_id+0xdc/0x100
[21544.124768] [<ffffffffa098a99d>] mutex_enter_common+0x10d/0x130 [dtracedrv]
[21544.124780] [<ffffffffa098a9db>] dmutex_enter+0x1b/0x20 [dtracedrv]
[21544.124789] [<ffffffffa097e54e>] par_alloc+0x2e/0x110 [dtracedrv]
[21544.124800] [<ffffffffa098897e>] instr_provide_module+0x3e/0x250 [dtracedrv]
[21544.124810] [<ffffffffa098a99d>] ? mutex_enter_common+0x10d/0x130 [dtracedrv]
[21544.124819] [<ffffffffa096ea03>] dtrace_probe_provide+0x93/0x140 [dtracedrv]
[21544.124826] [<ffffffffa0976b65>] dtrace_open+0x65/0x140 [dtracedrv]
[21544.124839] [<ffffffffa097d245>] dtracedrv_open+0x25/0x30 [dtracedrv]
[21544.124841] [<ffffffff8128b618>] misc_open+0xb8/0x1c0
[21544.124844] [<ffffffff81153b11>] chrdev_open+0xa1/0x1b0
[21544.124845] [<ffffffff8106ce3d>] ? lg_local_unlock+0x2d/0x60
[21544.124847] [<ffffffff81153a70>] ? cdev_put+0x30/0x30
[21544.124850] [<ffffffff8114d716>] do_dentry_open.isra.16+0x206/0x290
[21544.124853] [<ffffffff8114d7c2>] finish_open+0x22/0x40
[21544.124856] [<ffffffff8115ddae>] do_last+0x73e/0xe30
[21544.124858] [<ffffffff8115a928>] ? inode_permission+0x18/0x50
[21544.124861] [<ffffffff8115ab8d>] ? link_path_walk+0x22d/0x920
[21544.124862] [<ffffffff8115e553>] path_openat+0xb3/0x4a0
[21544.124864] [<ffffffff811283c1>] ? handle_mm_fault+0x241/0x340
[21544.124865] [<ffffffff8112da65>] ? do_brk+0x295/0x330
[21544.124870] [<ffffffff8115ed52>] do_filp_open+0x42/0xa0
[21544.124874] [<ffffffff813bf558>] ? _raw_spin_unlock+0x18/0x40
[21544.124876] [<ffffffff8116c3f7>] ? __alloc_fd+0xd7/0x120
[21544.124878] [<ffffffff8114eb6e>] do_sys_open+0xfe/0x1e0
[21544.124882] [<ffffffff8114ec71>] sys_open+0x21/0x30
[21544.124883] [<ffffffff813c72d9>] system_call_fastpath+0x16/0x1b
[21544.124886] BUG: using smp_processor_id() in preemptible [00000000] code: dtrace/8922
[21544.124896] caller is mutex_enter_common+0x10d/0x130 [dtracedrv]
[21544.124898] Pid: 8922, comm: dtrace Tainted: P O 3.8.0-rc3 #2
[21544.124899] Call Trace:
[21544.124902] [<ffffffff81215fec>] debug_smp_processor_id+0xdc/0x100
[21544.124913] [<ffffffffa098a99d>] mutex_enter_common+0x10d/0x130 [dtracedrv]
[21544.124924] [<ffffffffa098a9db>] dmutex_enter+0x1b/0x20 [dtracedrv]
[21544.124935] [<ffffffffa097e54e>] par_alloc+0x2e/0x110 [dtracedrv]
[21544.124945] [<ffffffffa098897e>] instr_provide_module+0x3e/0x250 [dtracedrv]
[21544.124956] [<ffffffffa098a99d>] ? mutex_enter_common+0x10d/0x130 [dtracedrv]
[21544.124964] [<ffffffffa096ea03>] dtrace_probe_provide+0x93/0x140 [dtracedrv]
[21544.124973] [<ffffffffa0976b65>] dtrace_open+0x65/0x140 [dtracedrv]
[21544.124981] [<ffffffffa097d245>] dtracedrv_open+0x25/0x30 [dtracedrv]
[21544.124983] [<ffffffff8128b618>] misc_open+0xb8/0x1c0
[21544.124986] [<ffffffff81153b11>] chrdev_open+0xa1/0x1b0
[21544.124988] [<ffffffff8106ce3d>] ? lg_local_unlock+0x2d/0x60
[21544.124991] [<ffffffff81153a70>] ? cdev_put+0x30/0x30
[21544.124992] [<ffffffff8114d716>] do_dentry_open.isra.16+0x206/0x290
[21544.124994] [<ffffffff8114d7c2>] finish_open+0x22/0x40
[21544.125007] [<ffffffff8115ddae>] do_last+0x73e/0xe30
[21544.125009] [<ffffffff8115a928>] ? inode_permission+0x18/0x50
[21544.125010] [<ffffffff8115ab8d>] ? link_path_walk+0x22d/0x920
[21544.125013] [<ffffffff8115e553>] path_openat+0xb3/0x4a0
[21544.125016] [<ffffffff811283c1>] ? handle_mm_fault+0x241/0x340
[21544.125024] [<ffffffff8112da65>] ? do_brk+0x295/0x330
[21544.125027] [<ffffffff8115ed52>] do_filp_open+0x42/0xa0
[21544.125030] [<ffffffff813bf558>] ? _raw_spin_unlock+0x18/0x40
[21544.125032] [<ffffffff8116c3f7>] ? __alloc_fd+0xd7/0x120
[21544.125034] [<ffffffff8114eb6e>] do_sys_open+0xfe/0x1e0
[21544.125036] [<ffffffff8114ec71>] sys_open+0x21/0x30
[21544.125037] [<ffffffff813c72d9>] system_call_fastpath+0x16/0x1b
[21544.125040] BUG: using smp_processor_id() in preemptible [00000000] code: dtrace/8922
[21544.125053] caller is mutex_enter_common+0x10d/0x130 [dtracedrv]
[21544.125055] Pid: 8922, comm: dtrace Tainted: P O 3.8.0-rc3 #2
[21544.125056] Call Trace:
[21544.125059] [<ffffffff81215fec>] debug_smp_processor_id+0xdc/0x100
[21544.125070] [<ffffffffa098a99d>] mutex_enter_common+0x10d/0x130 [dtracedrv]
[21544.125081] [<ffffffffa098a9db>] dmutex_enter+0x1b/0x20 [dtracedrv]
[21544.125090] [<ffffffffa097e54e>] par_alloc+0x2e/0x110 [dtracedrv]
[21544.125101] [<ffffffffa098897e>] instr_provide_module+0x3e/0x250 [dtracedrv]
[21544.125111] [<ffffffffa098a99d>] ? mutex_enter_common+0x10d/0x130 [dtracedrv]
[21544.125120] [<ffffffffa096ea03>] dtrace_probe_provide+0x93/0x140 [dtracedrv]
[21544.125128] [<ffffffffa0976b65>] dtrace_open+0x65/0x140 [dtracedrv]
[21544.125137] [<ffffffffa097d245>] dtracedrv_open+0x25/0x30 [dtracedrv]
[21544.125140] [<ffffffff8128b618>] misc_open+0xb8/0x1c0
[21544.125142] [<ffffffff81153b11>] chrdev_open+0xa1/0x1b0
[21544.125145] [<ffffffff8106ce3d>] ? lg_local_unlock+0x2d/0x60
[21544.125147] [<ffffffff81153a70>] ? cdev_put+0x30/0x30
[21544.125150] [<ffffffff8114d716>] do_dentry_open.isra.16+0x206/0x290
[21544.125153] [<ffffffff8114d7c2>] finish_open+0x22/0x40
[21544.125155] [<ffffffff8115ddae>] do_last+0x73e/0xe30
[21544.125158] [<ffffffff8115a928>] ? inode_permission+0x18/0x50
[21544.125160] [<ffffffff8115ab8d>] ? link_path_walk+0x22d/0x920
[21544.125163] [<ffffffff8115e553>] path_openat+0xb3/0x4a0
[21544.125166] [<ffffffff811283c1>] ? handle_mm_fault+0x241/0x340
[21544.125168] [<ffffffff8112da65>] ? do_brk+0x295/0x330
[21544.125171] [<ffffffff8115ed52>] do_filp_open+0x42/0xa0
[21544.125173] [<ffffffff813bf558>] ? _raw_spin_unlock+0x18/0x40
[21544.125176] [<ffffffff8116c3f7>] ? __alloc_fd+0xd7/0x120
[21544.125179] [<ffffffff8114eb6e>] do_sys_open+0xfe/0x1e0
[21544.125182] [<ffffffff8114ec71>] sys_open+0x21/0x30
[21544.125184] [<ffffffff813c72d9>] system_call_fastpath+0x16/0x1b
[21544.125188] BUG: using smp_processor_id() in preemptible [00000000] code: dtrace/8922
[21544.125198] caller is mutex_enter_common+0x10d/0x130 [dtracedrv]
[21544.125200] Pid: 8922, comm: dtrace Tainted: P O 3.8.0-rc3 #2
[21544.125201] Call Trace:
[21544.125203] [<ffffffff81215fec>] debug_smp_processor_id+0xdc/0x100
[21544.125214] [<ffffffffa098a99d>] mutex_enter_common+0x10d/0x130 [dtracedrv]
[21544.125225] [<ffffffffa098a9db>] dmutex_enter+0x1b/0x20 [dtracedrv]
[21544.125235] [<ffffffffa097e54e>] par_alloc+0x2e/0x110 [dtracedrv]
[21544.125245] [<ffffffffa098897e>] instr_provide_module+0x3e/0x250 [dtracedrv]
[21544.125256] [<ffffffffa098a99d>] ? mutex_enter_common+0x10d/0x130 [dtracedrv]
[21544.125264] [<ffffffffa096ea03>] dtrace_probe_provide+0x93/0x140 [dtracedrv]
[21544.125273] [<ffffffffa0976b65>] dtrace_open+0x65/0x140 [dtracedrv]
[21544.125282] [<ffffffffa097d245>] dtracedrv_open+0x25/0x30 [dtracedrv]
[21544.125284] [<ffffffff8128b618>] misc_open+0xb8/0x1c0
[21544.125287] [<ffffffff81153b11>] chrdev_open+0xa1/0x1b0
[21544.125290] [<ffffffff8106ce3d>] ? lg_local_unlock+0x2d/0x60
[21544.125292] [<ffffffff81153a70>] ? cdev_put+0x30/0x30
[21544.125295] [<ffffffff8114d716>] do_dentry_open.isra.16+0x206/0x290
[21544.125297] [<ffffffff8114d7c2>] finish_open+0x22/0x40
[21544.125300] [<ffffffff8115ddae>] do_last+0x73e/0xe30
[21544.125302] [<ffffffff8115a928>] ? inode_permission+0x18/0x50
[21544.125305] [<ffffffff8115ab8d>] ? link_path_walk+0x22d/0x920
[21544.125308] [<ffffffff8115e553>] path_openat+0xb3/0x4a0
[21544.125310] [<ffffffff811283c1>] ? handle_mm_fault+0x241/0x340
[21544.125313] [<ffffffff8112da65>] ? do_brk+0x295/0x330
[21544.125315] [<ffffffff8115ed52>] do_filp_open+0x42/0xa0
[21544.125318] [<ffffffff813bf558>] ? _raw_spin_unlock+0x18/0x40
[21544.125321] [<ffffffff8116c3f7>] ? __alloc_fd+0xd7/0x120
[21544.125323] [<ffffffff8114eb6e>] do_sys_open+0xfe/0x1e0
[21544.125326] [<ffffffff8114ec71>] sys_open+0x21/0x30
[21544.125328] [<ffffffff813c72d9>] system_call_fastpath+0x16/0x1b
It looks like there are some preemption bugs in the dtrace kernel module. My kernel is built with CONFIG_PREEMPT=y.
from linux.
ryao
commented on May 17, 2024
I rebuilt with CONFIG_PREEMPT_VOLUNTARY=y. The same issue occurs, but now dmesg is noticeably shorter:
[ 251.893768] Pid: 7833, comm: dtrace Tainted: P O 3.8.0-rc3 #3
[ 251.893771] Call Trace:
[ 251.893791] [<ffffffffa098c416>] mutex_enter_common+0x36/0x130 [dtracedrv]
[ 251.893794] [<ffffffff813c95e6>] ? bad_from_user+0x6/0x6
[ 251.893796] [<ffffffff813c9c19>] ? bad_to_user+0x633/0x633
[ 251.893807] [<ffffffffa098c52b>] dmutex_enter+0x1b/0x20 [dtracedrv]
[ 251.893817] [<ffffffffa09801fe>] par_alloc+0x2e/0x110 [dtracedrv]
[ 251.893827] [<ffffffffa098a57e>] instr_provide_module+0x3e/0x250 [dtracedrv]
[ 251.893838] [<ffffffffa098c447>] ? mutex_enter_common+0x67/0x130 [dtracedrv]
[ 251.893846] [<ffffffffa0970703>] dtrace_probe_provide+0x93/0x140 [dtracedrv]
[ 251.893855] [<ffffffffa0978875>] dtrace_open+0x65/0x140 [dtracedrv]
[ 251.893864] [<ffffffffa097e295>] dtracedrv_open+0x55/0x60 [dtracedrv]
[ 251.893867] [<ffffffff812893e8>] misc_open+0xb8/0x1c0
[ 251.893870] [<ffffffff81151741>] chrdev_open+0xa1/0x1b0
[ 251.893873] [<ffffffff811516a0>] ? cdev_put+0x30/0x30
[ 251.893876] [<ffffffff8114b316>] do_dentry_open.isra.16+0x206/0x290
[ 251.893878] [<ffffffff8114b3c2>] finish_open+0x22/0x40
[ 251.893881] [<ffffffff8115b9de>] do_last+0x73e/0xe30
[ 251.893884] [<ffffffff81158538>] ? inode_permission+0x18/0x50
[ 251.893886] [<ffffffff8115879d>] ? link_path_walk+0x22d/0x910
[ 251.893889] [<ffffffff81124e30>] ? handle_pte_fault+0x90/0x7a0
[ 251.893891] [<ffffffff8115c183>] path_openat+0xb3/0x4a0
[ 251.893894] [<ffffffff81126721>] ? handle_mm_fault+0x241/0x340
[ 251.893896] [<ffffffff8112bd35>] ? do_brk+0x295/0x330
[ 251.893899] [<ffffffff8115c982>] do_filp_open+0x42/0xa0
[ 251.893901] [<ffffffff813bd4ee>] ? _raw_spin_unlock+0xe/0x20
[ 251.893905] [<ffffffff8116a037>] ? __alloc_fd+0xd7/0x120
[ 251.893907] [<ffffffff8114c76e>] do_sys_open+0xfe/0x1e0
[ 251.893909] [<ffffffff8114c871>] sys_open+0x21/0x30
[ 251.893912] [<ffffffff813c6019>] system_call_fastpath+0x16/0x1b
from linux.
dtrace4linux
commented on May 17, 2024
This error appears because CONFIG_DEBUG_PREEMPT is set in your kernel.
Technically, it is an error - using the cpu id without interrupts disabled
could result in the wrong cpu being returned. I'll have to review where
this is used - one place is in the dtrace debugging, where it really doesnt
matter.
#ifdef CONFIG_DEBUG_PREEMPT
extern unsigned int debug_smp_processor_id(void);
define smp_processor_id() debug_smp_processor_id()
#else
define smp_processor_id() raw_smp_processor_id()
#endif
Thanks for the feedback
On 7 February 2013 06:28, Richard Yao [email protected] wrote:
I rebuilt with CONFIG_PREEMPT_VOLUNTARY=y. The same issue occurs, but now
dmesg is noticeably shorter:[ 251.893768] Pid: 7833, comm: dtrace Tainted: P O 3.8.0-rc3 #3
[ 251.893771] Call Trace:
[ 251.893791] [] mutex_enter_common+0x36/0x130 [dtracedrv]
[ 251.893794] [] ? bad_from_user+0x6/0x6
[ 251.893796] [] ? bad_to_user+0x633/0x633
[ 251.893807] [] dmutex_enter+0x1b/0x20 [dtracedrv]
[ 251.893817] [] par_alloc+0x2e/0x110 [dtracedrv]
[ 251.893827] [] instr_provide_module+0x3e/0x250 [dtracedrv]
[ 251.893838] [] ? mutex_enter_common+0x67/0x130 [dtracedrv]
[ 251.893846] [] dtrace_probe_provide+0x93/0x140 [dtracedrv]
[ 251.893855] [] dtrace_open+0x65/0x140 [dtracedrv]
[ 251.893864] [] dtracedrv_open+0x55/0x60 [dtracedrv]
[ 251.893867] [] misc_open+0xb8/0x1c0
[ 251.893870] [] chrdev_open+0xa1/0x1b0
[ 251.893873] [] ? cdev_put+0x30/0x30
[ 251.893876] [] do_dentry_open.isra.16+0x206/0x290
[ 251.893878] [] finish_open+0x22/0x40
[ 251.893881] [] do_last+0x73e/0xe30
[ 251.893884] [] ? inode_permission+0x18/0x50
[ 251.893886] [] ? link_path_walk+0x22d/0x910
[ 251.893889] [] ? handle_pte_fault+0x90/0x7a0
[ 251.893891] [] path_openat+0xb3/0x4a0
[ 251.893894] [] ? handle_mm_fault+0x241/0x340
[ 251.893896] [] ? do_brk+0x295/0x330
[ 251.893899] [] do_filp_open+0x42/0xa0
[ 251.893901] [] ? _raw_spin_unlock+0xe/0x20
[ 251.893905] [] ? __alloc_fd+0xd7/0x120
[ 251.893907] [] do_sys_open+0xfe/0x1e0
[ 251.893909] [] sys_open+0x21/0x30
[ 251.893912] [] system_call_fastpath+0x16/0x1b—
Reply to this email directly or view it on GitHubhttps://github.com//issues/50#issuecomment-13223569.
from linux.
ryao
commented on May 17, 2024
#76 should dramatically improve things for preemptive kernels.
from linux.
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