Date: Mon, 24 May 2010 13:35:01 +0300 From: Nikolay Denev <ndenev@gmail.com> To: Nikolay Denev <ndenev@gmail.com> Cc: Pyun YongHyeon <pyunyh@gmail.com>, freebsd-stable@freebsd.org Subject: Re: if_sge related panics Message-ID: <77DFF2E5-7A1E-4063-A852-2C7AD9BC3DD4@gmail.com> In-Reply-To: <E7AF7DD3-FE50-42DD-8391-0F576708EAF7@gmail.com> References: <E7AF7DD3-FE50-42DD-8391-0F576708EAF7@gmail.com>
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On May 24, 2010, at 8:57 AM, Nikolay Denev wrote:
> Hi,
>=20
> Recently I started to experience a if_sge(4) related panic.
> It happens almost every time I try to download a torrent file for =
example.
> Copying of large files over NFS seem not to trigger it, but I haven't =
tested extensively.
>=20
> Here is the panic message :
>=20
> Fatal trap 12: page fault while in kernel mode
> cpuid =3D 0; apic id =3D 00
> fault virtual address =3D 0x8
> fault code =3D supervisor write data, page =
not present
> instruction pointer =3D 0x20:0xffffffff80230413
> stack pointer =3D 0x28:0xffffff80001e9280
> frame pointer =3D 0x28:0xffffff80001e9510
> code segment =3D base 0x0, limit 0xfffff, type 0x1b
> =3D DPL 0, pres 1, long =
1, def32 0, gran 1
> processor eflags =3D interrupt enabled, resume, =
IOPL =3D 0
> current process =3D 12 (irq19: sge0)
> trap number =3D 12
> panic: page fault
> cpuid =3D 0
> Uptime: 1d20h56m20s
> Cannot dump. Device not defined or unavailable
> Automatic reboot in 15 seconds - press a key on the console to abort
> Sleeping thread (tid 100039, pid 12) owns a non-sleepable lock
>=20
> My swap is on a zvol, so I don't have dump. I'll try to attach a disk =
on the eSATA port and dump there if needed.
Here is some info from the crashdump :
(kgdb) #0 doadump () at pcpu.h:223
#1 0xffffffff802fb149 in boot (howto=3D260)
at /usr/src/sys/kern/kern_shutdown.c:416
#2 0xffffffff802fb57c in panic (fmt=3D0xffffffff8055d564 "%s")
at /usr/src/sys/kern/kern_shutdown.c:590
#3 0xffffffff805055b8 in trap_fatal (frame=3D0xffffff000288a3e0, =
eva=3DVariable "eva" is not available.
)
at /usr/src/sys/amd64/amd64/trap.c:777
#4 0xffffffff805059dc in trap_pfault (frame=3D0xffffff80001e91d0, =
usermode=3D0)
at /usr/src/sys/amd64/amd64/trap.c:693
#5 0xffffffff805061c5 in trap (frame=3D0xffffff80001e91d0)
at /usr/src/sys/amd64/amd64/trap.c:451
#6 0xffffffff804eb977 in calltrap ()
at /usr/src/sys/amd64/amd64/exception.S:223
#7 0xffffffff80230413 in sge_start_locked (ifp=3D0xffffff000270d800)
at /usr/src/sys/dev/sge/if_sge.c:1591
#8 0xffffffff80231044 in sge_start (ifp=3D0xffffff000270d800)
at /usr/src/sys/dev/sge/if_sge.c:1562
#9 0xffffffff803a8b1a in if_transmit (ifp=3D0xffffff000270d800, =
m=3DVariable "m" is not available.
)
at /usr/src/sys/net/if.c:3355
#10 0xffffffff803adbbb in ether_output_frame (ifp=3D0xffffff000270d800,=20=
m=3D0xffffff0007fdd600) at /usr/src/sys/net/if_ethersubr.c:452
#11 0xffffffff803ae206 in ether_output (ifp=3D0xffffff000270d800,=20
m=3D0xffffff0007fdd600, dst=3DVariable "dst" is not available.
) at /usr/src/sys/net/if_ethersubr.c:423
#12 0xffffffff803e1798 in ip_output (m=3D0xffffff0007fdd600, =
opt=3DVariable "opt" is not available.
)
at /usr/src/sys/netinet/ip_output.c:634
#13 0xffffffff803ec6d0 in tcp_output (tp=3D0xffffff0007ea56e0)
at /usr/src/sys/netinet/tcp_output.c:1190
#14 0xffffffff803e7243 in tcp_do_segment (m=3D0xffffff00cd095900,=20
th=3D0xffffff0007743834, so=3D0xffffff0007e9e550, =
tp=3D0xffffff0007ea56e0,=20
drop_hdrlen=3D52, tlen=3D0, iptos=3D0 '\0', ti_locked=3D2)
at /usr/src/sys/netinet/tcp_input.c:1484
#15 0xffffffff803ea565 in tcp_input (m=3D0xffffff00cd095900, =
off0=3DVariable "off0" is not available.
)
at /usr/src/sys/netinet/tcp_input.c:1029
#16 0xffffffff803de6c1 in ip_input (m=3D0xffffff00cd095900)
at /usr/src/sys/netinet/ip_input.c:793
#17 0xffffffff803b637e in netisr_dispatch_src (proto=3D1, =
source=3DVariable "source" is not available.
)
at /usr/src/sys/net/netisr.c:917
#18 0xffffffff803ada6d in ether_demux (ifp=3D0xffffff000270d800,=20
m=3D0xffffff00cd095900) at /usr/src/sys/net/if_ethersubr.c:901
#19 0xffffffff803ae3f0 in ether_input (ifp=3D0xffffff000270d800,=20
m=3D0xffffff00cd095900) at /usr/src/sys/net/if_ethersubr.c:760
#20 0xffffffff802317db in sge_intr (arg=3DVariable "arg" is not =
available.
) at /usr/src/sys/dev/sge/if_sge.c:1220
#21 0xffffffff802d202d in intr_event_execute_handlers (p=3DVariable "p" =
is not available.
)
at /usr/src/sys/kern/kern_intr.c:1220
#22 0xffffffff802d36de in ithread_loop (arg=3D0xffffff000286f4c0)
at /usr/src/sys/kern/kern_intr.c:1233
#23 0xffffffff802cf978 in fork_exit (
callout=3D0xffffffff802d3650 <ithread_loop>, arg=3D0xffffff000286f4c0,=
=20
frame=3D0xffffff80001e9c80) at /usr/src/sys/kern/kern_fork.c:844
#24 0xffffffff804ebe4e in fork_trampoline ()
at /usr/src/sys/amd64/amd64/exception.S:562
#25 0x0000000000000000 in ?? ()
#26 0x0000000000000000 in ?? ()
#27 0x0000000000000001 in ?? ()
#28 0x0000000000000000 in ?? ()
#29 0x0000000000000000 in ?? ()
#30 0x0000000000000000 in ?? ()
#31 0x0000000000000000 in ?? ()
#32 0x0000000000000000 in ?? ()
#33 0x0000000000000000 in ?? ()
#34 0x0000000000000000 in ?? ()
#35 0x0000000000000000 in ?? ()
#36 0x0000000000000000 in ?? ()
#37 0x0000000000000000 in ?? ()
#38 0x0000000000000000 in ?? ()
#39 0x0000000000000000 in ?? ()
#40 0x0000000000000000 in ?? ()
#41 0x0000000000000000 in ?? ()
#42 0x0000000000000000 in ?? ()
#43 0x0000000000000000 in ?? ()
#44 0x0000000000000000 in ?? ()
#45 0x0000000000000000 in ?? ()
#46 0x0000000000000000 in ?? ()
#47 0x0000000000000000 in ?? ()
#48 0x0000000000000000 in ?? ()
#49 0x000000000126d000 in ?? ()
#50 0x0000000000000000 in ?? ()
#51 0x0000000000000000 in ?? ()
#52 0xffffffff80787c40 in affinity ()
#53 0xffffff000288a3e0 in ?? ()
#54 0xffffff80001e9b80 in ?? ()
#55 0xffffff80001e9b38 in ?? ()
#56 0xffffff00027253e0 in ?? ()
#57 0xffffffff80320cf7 in sched_switch (td=3D0xffffffff802d3650,=20
newtd=3D0xffffff000286f4c0, flags=3DVariable "flags" is not =
available.
) at /usr/src/sys/kern/sched_ule.c:1844
Previous frame inner to this frame (corrupt stack?)
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