Date: Mon, 27 Jan 2003 20:35:03 -0800 From: Kris Kennaway <kris@obsecurity.org> To: Kris Kennaway <kris@obsecurity.org> Cc: current@FreeBSD.ORG, fs@FreeBSD.ORG Subject: Re: INVARIANTS-related fs panic on alpha Message-ID: <20030128043503.GA902@rot13.obsecurity.org> In-Reply-To: <20030125081234.GA11722@rot13.obsecurity.org> References: <20030125081234.GA11722@rot13.obsecurity.org>
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On Sat, Jan 25, 2003 at 12:12:34AM -0800, Kris Kennaway wrote:
> One of the alpha package clients panicked with this. It was under
> very high load at the time (25 simultaneous package builds):
>=20
> fatal kernel trap:
>=20
> trap entry =3D 0x2 (memory management fault)
> faulting va =3D 0xdeadc0dedeadc0e6
> type =3D access violation
> cause =3D store instruction
> pc =3D 0xfffffc000053453c
> ra =3D 0xfffffc000053b2a8
> sp =3D 0xfffffe001da15b30
> curthread =3D 0xfffffc003e33b930
> pid =3D 3, comm =3D g_up
>=20
> Stopped at add_to_worklist+0xac: stq a0,0x8(t0) <0xdeadc0dedea=
dc0e6> <a0=3D0xfffffc0035deb200,t0=3D0xdeadc0dedeadc0de>
> db> trace
> add_to_worklist() at add_to_worklist+0xac
> handle_written_inodeblock() at handle_written_inodeblock+0x5e8
> softdep_disk_write_complete() at softdep_disk_write_complete+0xac
> bufdone() at bufdone+0x19c
> bufdonebio() at bufdonebio+0x1c
> biodone() at biodone+0x28
> g_dev_done() at g_dev_done+0xd8
> biodone() at biodone+0x28
> g_io_schedule_up() at g_io_schedule_up+0x4c
> g_up_procbody() at g_up_procbody+0x9c
> fork_exit() at fork_exit+0x100
> exception_return() at exception_return
> --- root of call graph ---
> db>
Here it is again:
fatal kernel trap:
trap entry =3D 0x4 (unaligned access fault)
faulting va =3D 0xdeadc0dedeadc0e6
opcode =3D 0x2d
register =3D 0x10
pc =3D 0xfffffc0000534540
ra =3D 0xfffffc000053b2a8
sp =3D 0xfffffe0006c0fb30
curthread =3D 0xfffffc0007ba7930
pid =3D 3, comm =3D g_up
Stopped at add_to_worklist+0xb0: ldq t0,0x7c60(gp) <0xfffffc0000=
6581d0> <t0=3D0xdeadc0dedeadc0de,gp=3D0xfffffc0000650570>
db> trace
add_to_worklist() at add_to_worklist+0xb0
handle_written_inodeblock() at handle_written_inodeblock+0x5e8
softdep_disk_write_complete() at softdep_disk_write_complete+0xac
bufdone() at bufdone+0x19c
bufdonebio() at bufdonebio+0x1c
biodone() at biodone+0x28
g_dev_done() at g_dev_done+0xd8
biodone() at biodone+0x28
g_io_schedule_up() at g_io_schedule_up+0x4c
g_up_procbody() at g_up_procbody+0x9c
fork_exit() at fork_exit+0x100
exception_return() at exception_return
--- root of call graph ---
db>
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