The following reply was made to PR kern/176636; it has been noted by GNATS.
From: Rasmus Skaarup <free...@gal.dk>
To: Andriy Gapon <a...@freebsd.org>
Cc: bug-follo...@freebsd.org
Subject: Re: kern/176636: Periodical crashes with 9.1-R
Date: Thu, 7 Mar 2013 06:00:46 +0100
This is the only kind of panic I get - after your patch:
Fatal trap 12: page fault while in kernel mode
cpuid =3D 1; apic id =3D 01
fault virtual address =3D 0x60
fault code =3D supervisor read data, page not present
instruction pointer =3D 0x20:0xffffffff8162e4f0
stack pointer =3D 0x28:0xffffff81624726e0
frame pointer =3D 0x28:0xffffff81624727d0
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 26068 (zpool)
trap number =3D 12
panic: page fault
cpuid =3D 1
KDB: stack backtrace:
#0 0xffffffff809208a6 at kdb_backtrace+0x66
#1 0xffffffff808ea8be at panic+0x1ce
#2 0xffffffff80bd8240 at trap_fatal+0x290
#3 0xffffffff80bd857d at trap_pfault+0x1ed
#4 0xffffffff80bd8b9e at trap+0x3ce
#5 0xffffffff80bc315f at calltrap+0x8
#6 0xffffffff81673975 at sa_handle_get_from_db+0x95
#7 0xffffffff81673a38 at sa_handle_get+0x48
#8 0xffffffff8169f516 at zfs_grab_sa_handle+0x96
#9 0xffffffff8169faca at zfs_obj_to_path+0x6a
#10 0xffffffff816b8c75 at zfs_ioc_obj_to_path+0x75
#11 0xffffffff816bad46 at zfsdev_ioctl+0xe6
#12 0xffffffff807db28b at devfs_ioctl_f+0x7b
#13 0xffffffff80932325 at kern_ioctl+0x115
#14 0xffffffff8093255d at sys_ioctl+0xfd
#15 0xffffffff80bd7ae6 at amd64_syscall+0x546
#16 0xffffffff80bc3447 at Xfast_syscall+0xf7
Br
Rasmus
On 06/03/2013, at 16.22, Rasmus Skaarup <free...@gal.dk> wrote:
>=20
> Tonight I will migrate all data to a UFS drive and let it run for a =
few days. If it works, I will create a new ZFS pool and move data back =
and see what happens.
>=20
> Is there any information you need before I proceed?
>=20
> Br
> Rasmus Skaarup
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