60 messages in org.freebsd.freebsd-currentRe: zfs: Fatal trap 12: page fault wh...| From | Sent On | Attachments |
|---|---|---|
| Juergen Unger | Jul 27, 2009 12:24 am | |
| O. Hartmann | Jul 27, 2009 12:58 pm | |
| Juergen Unger | Jul 27, 2009 2:33 pm | |
| Andriy Gapon | Jul 28, 2009 2:50 am | |
| Pawel Jakub Dawidek | Jul 29, 2009 1:47 am | |
| Thomas Backman | Jul 29, 2009 3:31 am | |
| Andriy Gapon | Jul 29, 2009 4:21 am | |
| Andriy Gapon | Jul 29, 2009 4:41 am | |
| Thomas Backman | Jul 29, 2009 5:45 am | |
| Andriy Gapon | Jul 29, 2009 6:03 am | |
| Thomas Backman | Jul 29, 2009 6:23 am | |
| Andriy Gapon | Jul 29, 2009 6:45 am | |
| Thomas Backman | Jul 29, 2009 6:52 am | |
| Andriy Gapon | Jul 29, 2009 6:55 am | |
| Thomas Backman | Jul 29, 2009 7:10 am | |
| Andriy Gapon | Jul 29, 2009 7:35 am | |
| Andriy Gapon | Jul 29, 2009 9:01 am | |
| Thomas Backman | Jul 29, 2009 9:10 am | |
| Thomas Backman | Jul 29, 2009 10:13 am | |
| Andriy Gapon | Jul 29, 2009 10:17 am | |
| Thomas Backman | Jul 29, 2009 11:03 am | |
| Thomas Backman | Jul 29, 2009 1:14 pm | |
| Pawel Jakub Dawidek | Jul 29, 2009 2:17 pm | |
| Thomas Backman | Jul 30, 2009 12:04 am | |
| Andriy Gapon | Jul 30, 2009 5:11 am | |
| Thomas Backman | Jul 30, 2009 5:51 am | |
| Andriy Gapon | Jul 30, 2009 6:13 am | |
| Thomas Backman | Jul 30, 2009 6:31 am | |
| Andriy Gapon | Jul 30, 2009 6:34 am | |
| Andriy Gapon | Jul 30, 2009 7:24 am | |
| Thomas Backman | Jul 30, 2009 7:39 am | |
| Andriy Gapon | Jul 30, 2009 7:45 am | |
| Andriy Gapon | Jul 30, 2009 7:48 am | |
| Thomas Backman | Jul 30, 2009 8:25 am | |
| Andriy Gapon | Jul 30, 2009 8:39 am | |
| Thomas Backman | Jul 30, 2009 9:41 am | |
| Thomas Backman | Jul 30, 2009 11:29 am | |
| Andriy Gapon | Jul 30, 2009 11:41 am | |
| Thomas Backman | Jul 31, 2009 2:04 am | |
| James R. Van Artsdalen | Jul 31, 2009 4:44 am | |
| Thomas Backman | Jul 31, 2009 5:26 am | |
| Thomas Backman | Jul 31, 2009 10:09 am | |
| Tim Kientzle | Aug 1, 2009 10:11 am | |
| Juergen Unger | Aug 2, 2009 2:26 am | |
| Pawel Jakub Dawidek | Aug 2, 2009 2:29 am | |
| Juergen Unger | Aug 3, 2009 1:32 pm | |
| Pawel Jakub Dawidek | Aug 4, 2009 12:33 am | |
| Juergen Unger | Aug 4, 2009 12:53 am | |
| Pawel Jakub Dawidek | Aug 4, 2009 2:49 am | |
| Juergen Unger | Aug 4, 2009 2:56 am | |
| Pawel Jakub Dawidek | Aug 4, 2009 12:50 pm | |
| Thomas Backman | Aug 4, 2009 1:10 pm | |
| Pawel Jakub Dawidek | Aug 4, 2009 1:25 pm | |
| Pawel Jakub Dawidek | Aug 4, 2009 11:49 pm | |
| Thomas Backman | Aug 5, 2009 12:08 am | |
| Thomas Backman | Aug 5, 2009 12:20 am | |
| Pawel Jakub Dawidek | Aug 5, 2009 2:37 am | |
| Thomas Backman | Aug 5, 2009 3:36 am | |
| Thomas Backman | Aug 5, 2009 5:06 am | |
| Pawel Jakub Dawidek | Aug 6, 2009 10:44 pm |
| Subject: | Re: zfs: Fatal trap 12: page fault while in kernel mode | |
|---|---|---|
| From: | Thomas Backman (sere...@exscape.org) | |
| Date: | Jul 29, 2009 5:45:16 am | |
| List: | org.freebsd.freebsd-current | |
On Jul 29, 2009, at 13:21, Andriy Gapon wrote:
on 29/07/2009 13:32 Thomas Backman said the following:
OFF TOPIC: Due to similarities in the backtrace between this and a panic I've been seeing on exporting after zfs recv (see http://lists.freebsd.org/pipermail/freebsd-current/2009-July/009105.html and also http://lists.freebsd.org/pipermail/freebsd-current/2009-July/009174.html for a panics-every-time script) I tried this patch. Unfortunately, I still get the same panic (from vgonel() and up, it's the same, except for my typo in the linked email.)
Your panics are superficially similar but seem to be different. But it is hard to tell as function argument values are not available in your backtraces for the interesting calls. One difference that I see is that your panics happen one level below _sx_xlock, in sx_xlock_hard and sx argument value appears to be far from NULL (0xffffff0043557d50) - in the panic that started this thread it was near NULL. Another difference is that you panics do not involve zfs_znode_dmu_fini and mu_buf_update_user, in your case sx_xlock is called directly from zfs_freebsd_reclaim. So it must a problem with a different lock.
-- Andriy Gapon
The DDB output from one panic does involve zfs_znode_dmu_fini and dmu_buf_update_user: _sx_xlock() dmu_buf_update_user()+0x47 zfs_znode_dmu_fini() zfs_freebsd_reclaim() VOP_RECLAIM_APV() vgonel() vflush() zfs_umount() dounmount() unmount() syscall() Xfast_syscall() (Sorry if the formatting got screwed up above.)
BTW, have you tried to reproduce the problem with INVARIANTS enabled? Do you have crashdumps with debugging symbols?
I tried again with INVARIANTS, but see no difference in the panic, the DDB bt or the KGDB bt. What does invariants really do? (Not sure how to use it to my advantage here :) Re: debugging symbols; isn't that the default? I do have a .symbols file for all the files in /boot/kernel, but that's all I know to be honest.
Regards, Thomas
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