Date: Fri, 16 Jun 2017 09:28:30 -0400 From: Nikolai Lifanov <lifanov@FreeBSD.org> To: Gleb Smirnoff <glebius@FreeBSD.org> Cc: freebsd-hackers@freebsd.org Subject: Re: crash under load in GENERIC Message-ID: <96025ad9-48da-3391-7bad-d2e72a35d13e@FreeBSD.org> In-Reply-To: <20170615201204.GR50023@FreeBSD.org> References: <2cbb32a6-4721-544c-ddd1-c9cfa6633a79@FreeBSD.org> <20170615201204.GR50023@FreeBSD.org>
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From: Nikolai Lifanov <lifanov@FreeBSD.org>
To: Gleb Smirnoff <glebius@FreeBSD.org>
Cc: freebsd-hackers@freebsd.org
Message-ID: <96025ad9-48da-3391-7bad-d2e72a35d13e@FreeBSD.org>
Subject: Re: crash under load in GENERIC
References: <2cbb32a6-4721-544c-ddd1-c9cfa6633a79@FreeBSD.org>
<20170615201204.GR50023@FreeBSD.org>
In-Reply-To: <20170615201204.GR50023@FreeBSD.org>
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On 6/15/17 4:12 PM, Gleb Smirnoff wrote:
> Nikolai,
>=20
> On Wed, Jun 14, 2017 at 10:36:20AM -0400, Nikolai Lifanov wrote:
> N> I haven't nailed it to a specific commit, but some time after
> N> head-319667, my package builder box crashes when running Poudriere.
> N> The earliest version that I can confirm crashes is head-319735.
>=20
> Should be fixed in r319988.
>=20
Gleb,
After r319988, my system now crashes on boot.
__curthread () at ./machine/pcpu.h:232
232 __asm("movq %%gs:%1,%0" : "=3Dr" (td)
(kgdb) #0 __curthread () at ./machine/pcpu.h:232
#1 doadump (textdump=3D1) at /usr/src/sys/kern/kern_shutdown.c:318
#2 0xffffffff80a992c7 in kern_reboot (howto=3D260)
at /usr/src/sys/kern/kern_shutdown.c:386
#3 0xffffffff80a997c6 in vpanic (fmt=3D<optimized out>,
ap=3D0xfffffe2021edf540)
at /usr/src/sys/kern/kern_shutdown.c:779
#4 0xffffffff80a995e3 in panic (fmt=3D<unavailable>)
at /usr/src/sys/kern/kern_shutdown.c:710
#5 0xffffffff80f2f250 in trap_fatal (frame=3D0xfffffe2021edf7e0, eva=3D1=
6)
at /usr/src/sys/amd64/amd64/trap.c:801
#6 0xffffffff80f2f2a9 in trap_pfault (frame=3D0xfffffe2021edf7e0, usermo=
de=3D0)
at /usr/src/sys/amd64/amd64/trap.c:655
#7 0xffffffff80f2eae0 in trap (frame=3D0xfffffe2021edf7e0)
at /usr/src/sys/amd64/amd64/trap.c:421
#8 <signal handler called>
#9 udp_get_inpcbinfo (protocol=3D<optimized out>)
at /usr/src/sys/netinet/udp_var.h:157
#10 udp6_attach (so=3D0xfffff8014d648000, proto=3D17, td=3D0xfffff8013e08=
6560)
at /usr/src/sys/netinet6/udp6_usrreq.c:973
#11 0xffffffff80b265d1 in socreate (dom=3D<optimized out>, aso=3D<optimiz=
ed
out>,
type=3D<optimized out>, proto=3D17, cred=3D0xfffff8011ee32800,
td=3D0xfffff8013e086560) at /usr/src/sys/kern/uipc_socket.c:550
#12 0xffffffff80b2e923 in kern_socket (td=3D<optimized out>, domain=3D28,=
type=3D2,
protocol=3D17) at /usr/src/sys/kern/uipc_syscalls.c:160
#13 0xffffffff80f2fd50 in syscallenter (td=3D<optimized out>)
at /usr/src/sys/amd64/amd64/../../kern/subr_syscall.c:132
#14 amd64_syscall (td=3D0xfffff8013e086560, traced=3D0)
at /usr/src/sys/amd64/amd64/trap.c:903
#15 <signal handler called>
#16 0x00000008003de3ba in ?? ()
Backtrace stopped: Cannot access memory at address 0x7fffffffe418
- Nikolai
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