Date: Tue, 25 Dec 2018 07:57:11 +0100 From: =?UTF-8?B?SnVyaWogS292YcSNacSN?= <jurij.kovacic@ocpea.com> To: freebsd-stable@freebsd.org Subject: Kernel panic on 11.2-RELEASE-p7 Message-ID: <CADEDvuBa=oEO_4wF-Su3q=tuBNZnn6k3429xwG3eiOUZQyWmsw@mail.gmail.com>
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Dear list,
I hope I am posting this to the correct list - if not, I apologize (and
please advise where to post this instead).
Today I experienced a kernel panic on a (physical) server, running Freebsd
11.2-RELEASE-p7 with GENERIC kernel, ZFS root:
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 "crashinfo" utility to generate the text file which is
available at this URL: http://www.ocpea.com/dump/core.txt
At the time of the crash, the server was probably under more intensive I/O
load (scheduled backup with rsync).
This is a production server, so naturally, all advice is deeply
appreciated. :)
Kind regards,
Jurij
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