Date: Wed, 26 Jun 2019 20:12:43 +0300 From: Christos Chatzaras <chris@cretaforce.gr> To: FreeBSD Questions List <questions@freebsd.org> Subject: server crash and reboot Message-ID: <6AE42AFB-8CF1-4269-A227-04ED3A9C45ED@cretaforce.gr>
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Today I had a server crash. I run FreeBSD 12-STABLE. Any idea what can =
cause it?
Jun 26 19:08:00 server.example.com kernel: pid 6914 (php-fpm), jid 3, =
uid 1005: exited on signal 11
Jun 26 19:08:00 server.example.com named[90507]: random.c:387: =
REQUIRE((__builtin_expect(((rng) !=3D ((void *)0)), 1) && =
__builtin_expect((((const isc__magic_t *)(rng))->magic
=3D=3D ((('R') << 24 | ('N') << 16 | ('G') << 8 | ('x')))), 1))) failed, =
back trace
Jun 26 19:08:00 server.example.com kernel: Jun 26 19:08:00 server6 =
named[90507]: random.c:387: REQUIRE((__builtin_expect(((rng) !=3D ((void =
*)0)), 1) && __builtin_expect((((const isc__magic_t *)(rng))->magic =3D=3D=
((('R') << 24 | ('N') << 16 | ('G') << 8 | ('x')))), 1))) failed, back =
trace
Jun 26 19:08:00 server.example.com kernel: pid 90507 (named), jid 0, uid =
53: exited on signal 6
Jun 26 19:08:00 server.example.com named[90507]: #0 0x2dcf80 in ??
Jun 26 19:08:00 server.example.com kernel: Jun 26 19:08:00 server6 =
named[90507]: #0 0x2dcf80 in ??
Jun 26 19:08:00 server.example.com named[90507]: #1 0x4c781a in ??
Jun 26 19:08:00 server.example.com kernel: Jun 26 19:08:00 server6 =
named[90507]: #1 0x4c781a in ??
Jun 26 19:08:00 server.example.com named[90507]: #2 0x4e356c in ??
Jun 26 19:08:00 server.example.com kernel: Jun 26 19:08:00 server6 =
named[90507]: #2 0x4e356c in ??
Jun 26 19:08:00 server.example.com named[90507]: #3 0x364335 in ??
Jun 26 19:08:00 server.example.com kernel: Jun 26 19:08:00 server6 =
named[90507]: #3 0x364335 in ??
Jun 26 19:08:00 server.example.com named[90507]: #4 0x363e1b in ??
Jun 26 19:08:00 server.example.com kernel: Jun 26 19:08:00 server6 =
named[90507]: #4 0x363e1b in ??
Jun 26 19:08:00 server.example.com named[90507]: #5 0x4252f3 in ??
Jun 26 19:08:00 server.example.com kernel: Jun 26 19:08:00 server6 =
named[90507]: #5 0x4252f3 in ??
Jun 26 19:08:00 server.example.com named[90507]: #6 0x42379a in ??
Jun 26 19:08:00 server.example.com kernel: Jun 26 19:08:00 server6 =
named[90507]: #6 0x42379a in ??
Jun 26 19:08:00 server.example.com named[90507]: #7 0x422498 in ??
Jun 26 19:08:00 server.example.com kernel: Jun 26 19:08:00 server6 =
named[90507]: #7 0x422498 in ??
Jun 26 19:08:00 server.example.com named[90507]: #8 0x4eddab in ??
Jun 26 19:08:00 server.example.com kernel: Jun 26 19:08:00 server6 =
named[90507]: #8 0x4eddab in ??
Jun 26 19:08:00 server.example.com named[90507]: #9 0x800a82746 in ??
Jun 26 19:08:00 server.example.com kernel: Jun 26 19:08:00 server6 =
named[90507]: #9 0x800a82746 in ??
Jun 26 19:08:00 server.example.com named[90507]: exiting (due to =
assertion failure)
Jun 26 19:08:00 server.example.com kernel: Jun 26 19:08:00 server6 =
named[90507]: exiting (due to assertion failure)
Jun 26 19:11:49 server.example.com syslogd: restart
Jun 26 19:11:49 server.example.com syslogd: kernel boot file is =
/boot/kernel/kernel
Jun 26 19:11:49 server.example.com kernel:
Jun 26 19:11:49 server.example.com syslogd: last message repeated 1 =
times
Jun 26 19:11:49 server.example.com kernel: Fatal trap 12: page fault =
while in kernel mode
Jun 26 19:11:49 server.example.com kernel: cpuid =3D 2; apic id =3D 02
Jun 26 19:11:49 server.example.com kernel: fault virtual address#011=3D =
0x31
Jun 26 19:11:49 server.example.com kernel: fault code#011#011=3D =
supervisor write data, page not present
Jun 26 19:11:49 server.example.com kernel: instruction pointer#011=3D =
0x20:0xffffffff8109a439
Jun 26 19:11:49 server.example.com kernel: stack pointer#011 =3D =
0x28:0xffffffff827166e0
Jun 26 19:11:49 server.example.com kernel: frame pointer#011 =3D =
0x28:0xffffffff827167c0
Jun 26 19:11:49 server.example.com kernel: code segment#011#011=3D base =
0x0, limit 0xfffff, type 0x1b
Jun 26 19:11:49 server.example.com kernel: #011#011#011=3D DPL 0, pres =
1, long 1, def32 0, gran 1
Jun 26 19:11:49 server.example.com kernel: processor eflags#011=3D =
interrupt enabled, resume, IOPL =3D 0
Jun 26 19:11:49 server.example.com kernel: current process#011#011=3D =
79168 (mysqld)
Jun 26 19:11:49 server.example.com kernel: trap number#011#011=3D 12
Jun 26 19:11:49 server.example.com kernel: panic: page fault
Jun 26 19:11:49 server.example.com kernel: cpuid =3D 2
Jun 26 19:11:49 server.example.com kernel: time =3D 1561565281
Jun 26 19:11:49 server.example.com kernel: KDB: stack backtrace:
Jun 26 19:11:49 server.example.com kernel: #0 0xffffffff80c16e77 at =
kdb_backtrace+0x67
nm -n /boot/kernel/kernel | grep ffffffff8109a
ffffffff8109a800 t free_pv_chunk
ffffffff8109a8f0 T pmap_is_modified
ffffffff8109a910 t pmap_page_test_mappings
ffffffff8109af70 T pmap_is_prefaultable
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