Kernel panic on 11.2-RELEASE-p7

[Andriy Gapon]

On 28/12/2018 12:07, Jurij Kovačič via freebsd-stable wrote:
> Dear list,
> 
> This morning the server mentioned in my previous e-mail (Freebsd
> 11.2-RELEASE-p7 with GENERIC kernel, ZFS root) experienced another kernel
> panic:
> 
> Fatal trap 9: general protection fault while in kernel mode
> cpuid = 0; apic id = 00
> instruction pointer    = 0x20:0xffffffff82299013
> stack pointer            = 0x28:0xfffffe0352893ad0
> frame pointer            = 0x28:0xfffffe0352893b10
> code segment        = base 0x0, limit 0xfffff, type 0x1b
>             = DPL 0, pres 1, long 1, def32 0, gran 1
> processor eflags    = interrupt enabled, resume, IOPL = 0
> current process        = 9 (dbuf_evict_thread)
> trap number        = 9
> panic: general protection fault
> cpuid = 0
> KDB: stack backtrace:
> #0 0xffffffff80b3d577 at kdb_backtrace+0x67
> #1 0xffffffff80af6b17 at vpanic+0x177
> #2 0xffffffff80af6993 at panic+0x43
> #3 0xffffffff80f77fdf at trap_fatal+0x35f
> #4 0xffffffff80f7759e at trap+0x5e
> #5 0xffffffff80f5808c at calltrap+0x8
> #6 0xffffffff8229c049 at dbuf_evict_one+0xe9
> #7 0xffffffff82297a15 at dbuf_evict_thread+0x1a5
> #8 0xffffffff80aba093 at fork_exit+0x83
> #9 0xffffffff80f58fae at fork_trampoline+0xe
> 
> I have used the "crashinfo" utility to (again) generate the text file which
> is available at this URL: http://www.ocpea.com/dump/core-2.txt
> <http://www.ocpea.com/dump/core.txt>

This is useless because you do not have debug symbols for the kernel.

> Does anyone have any idea how we can go about discovering the cause for
> this? We would appreciate any suggestion ...



-- 
Andriy Gapon