v5.11.16-1 Kconfig missing from headers package about pve-edge-kernel HOT 9 CLOSED

I suggest downgrading to 5.11.15-1 for now. In the meantime, I’ll fix this issue.

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Is this the reason why there is no Zen2 version of the 5.11-16? I only see "Edge" versions, whatever that is.
And thanks for this repository!

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@thalix1337 See #59 (comment).

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This should be fixed from v5.10.34-1 and v5.11.18-1 onwards (since 888e5a6)

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Hi Fabian,

thank you for updating it.

It's now failing on missing Kconfig under Documentation folder. May have something to do with your "prune" for said directory.

lib/Kconfig.debug:2494: can't open file "Documentation/Kconfig"
make[3]: *** [scripts/kconfig/Makefile:71: syncconfig] Error 1
make[2]: *** [Makefile:602: syncconfig] Error 2
make[1]: *** [Makefile:710: include/config/auto.conf.cmd] Error 2
make[1]: Leaving directory '/usr/src/linux-headers-5.11.18-1-edge'
make: *** [Makefile:26: default] Error 2

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If I switch the driver to use "M" instead of "SUBDIRS", it complains:

ERROR: Kernel configuration is invalid.
include/generated/autoconf.h or include/config/auto.conf are missing.
Run 'make oldconfig && make prepare' on kernel src to fix it.

make[1]: *** [Makefile:718: include/config/auto.conf] Error 1
make[1]: Leaving directory '/usr/src/linux-headers-5.11.18-1-edge'
make: *** [Makefile:26: default] Error 2

If I run make oldconfig in /usr/src/linux-headers-5.11.18-1-edge# , I'm getting the same Documentation/Kconfig issue:

/usr/src/linux-headers-5.11.18-1-edge# make oldconfig
lib/Kconfig.debug:2494: can't open file "Documentation/Kconfig"
make[1]: *** [scripts/kconfig/Makefile:71: oldconfig] Error 1
make: *** [Makefile:602: oldconfig] Error 2

Hope it helps

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Could you share the sources of the module you are trying to build? That would help with me reproducing the issue.

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Sure, the driver is: https://www.marvell.com/content/dam/marvell/en/drivers/AQ_USBDongle_LinuxDriver_1.3.3.0.zip . It has private flags that are missing from stock driver bundled with the kernel.

A couple of things to note:

1. It builds fine on stock 10.9 buster "as-is" with stock kernel
2. On 5.4/5.11 PVE kernels it complains about Kconfigs

One of the issues with the driver is using "SUBDIRS", which I tried to changed to "M" but it wouldn't get past "Kernel Configuration is invalid" as I described in my post above. So, I rebuilt headers package to not exclude "Documentation" directory and in "M" mode, the driver started to build.

Then, I patched the driver source and changed "usbnet_get_stats64" to "dev_get_tstats64" to make it 5.11 compatible,

So, all in all, I believe the only thing that needs to change to make kernel config "valid" is to remove that Documentation directory from the prune in find command. The simple way to validate it is to make sure "make oldconfig" runs fine in the headers directory and not fails on Kconfig.

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Thanks for the investigation! This should be now fixed with e1a0974. New releases will include the fix.

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