Comments (2)
abhinav92003
commented on July 28, 2024
@AssadHashmi Is this expected to happen on some processors? How do we handle it?
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AssadHashmi
commented on July 28, 2024
@AssadHashmi Is this expected to happen on some processors? How do we handle it?
Apologies for the late reply, I have been on vacation.
This is not expected to happen. MRS instructions which access _EL1 registers are handled by the kernel which provides the contents to user-space.
Does the hardware use a stock Linux kernel? We have been running on AWS 5.15 instances, e.g.
5.15.0-1040-aws
5.15.0-1043-aws
5.15.0-1039-aws
Is the crash related to kernel privilege levels/permissions or is it a SIGILL?
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