[Bug 267225] Panic in pcpu

From: <bugzilla-noreply_at_freebsd.org>
Date: Mon, 24 Oct 2022 14:39:15 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=267225

--- Comment #4 from Mitchell Horne <mhorne@freebsd.org> ---
(In reply to Meng Zhuo from comment #3)

> panic: Fatal page fault at 0xffffffc0005df25c: 0x00000000000030
> cpuid = 1
> time = 1666311525
> KDB: stack backtrace:
> #0 0xffffffc00039447e at kdb_backtrace+0x56
> #1 0xffffffc00034d208 at vpanic+0x154
> #2 0xffffffc00034d0b0 at panic+0x2a
> #3 0xffffffc0005e3e5a at page_fault_handler+0x1ee
> #4 0xffffffc0005e39b6 at do_trap_supervisor+0x5a
> #5 0xffffffc0005d4fd0 at cpu_exception_handler_supervisor+0x70
> #6 0xffffffc00059ed4e at vmspace_exit+0xdc
> #7 0xffffffc000305b3a at exit1+0x6a6
> #8 0xffffffc000305490 at sys_sys_exit+0x10
> #9 0xffffffc0005e4038 at do_trap_user+0x1da
> #10 0xffffffc0005d50a2 at cpu_exception_handler_user+0x72
> Uptime: 41m32s
> Dumping 780 out of 16354 MB:..1%..11%..21%

Thanks for the information. This shows the cause of the panic, which I believe
is that same as what was seen in PR 266108. That fix is available on the main
and stable/13 branches, but is not part of 13.1-RELEASE. If you can, I suggest
updating to a 13-STABLE snapshot for this workload.

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