kern/176636: Periodical crashes with 9.1-R

Rasmus Skaarup freebsd at gal.dk
Tue Mar 5 17:00:02 UTC 2013


The following reply was made to PR kern/176636; it has been noted by GNATS.

From: Rasmus Skaarup <freebsd at gal.dk>
To: Andriy Gapon <avg at FreeBSD.org>
Cc: bug-followup at FreeBSD.org
Subject: Re: kern/176636: Periodical crashes with 9.1-R
Date: Tue, 5 Mar 2013 17:56:05 +0100

 kgdb) frame 4
 #4  0xffffffff816bd5ba in zfs_freebsd_read (ap=3DVariable "ap" is not =
 available.
 )
     at =
 /usr/src/sys/modules/zfs/../../cddl/contrib/opensolaris/uts/common/fs/zfs/=
 zfs_vnops.c:476
 warning: Source file is more recent than executable.
 
 476					if (pp->wire_count =3D=3D 0 && =
 pp->valid =3D=3D 0 &&
 (kgdb) info reg
 rax            0x0	0
 rbx            0x7a	122
 rcx            0x0	0
 rdx            0x0	0
 rsi            0x0	0
 rdi            0x0	0
 rbp            0xffffff8162323810	0xffffff8162323810
 rsp            0xffffff8162323710	0xffffff8162323710
 r8             0x0	0
 r9             0x0	0
 r10            0x0	0
 r11            0x0	0
 r12            0xfffffe015123cc80	-2193366987648
 r13            0xfffffe0006aa1000	-2198911447040
 r14            0xfffffe0006aa10e8	-2198911446808
 r15            0xffffff8162323850	-543813388208
 rip            0xffffffff816bd5ba	0xffffffff816bd5ba =
 <zfs_freebsd_read+1578>
 eflags         0x0	0
 cs             0x0	0
 ss             0x0	0
 ds             0x0	0
 es             0x0	0
 fs             0x0	0
 gs             0x0	0
 (kgdb)=20
 
 
 I guess line 476 changed after your patch, but I guess you can use the =
 output anyway.
 
 Br
 Rasmus Skaarup
 
 On 05/03/2013, at 17.51, Andriy Gapon <avg at FreeBSD.org> wrote:
 
 >=20
 > I need 'info reg' from zfs_freebsd_read frame, which frame 4 in kgdb.
 >=20
 >=20
 > --=20
 > Andriy Gapon
 >=20
 


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