[DragonFlyBSD - Bug #1504] (Closed) hammer crash on cleanups

[bugtracker-admin at leaf.dragonflybsd.org]

Issue #1504 has been updated by tuxillo.

Status changed from New to Closed

- There was a fix by Matt for related issues.
- DMA errors that could indicate cable issues, if not problems in the drive itself.

Closing this one.

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Bug #1504: hammer crash on cleanups
http://bugs.dragonflybsd.org/issues/1504#change-11839

* Author: corecode
* Status: Closed
* Priority: Normal
* Assignee: tuxillo
* Category: VFS subsystem
* Target version: 3.8.0
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Redirecting to bugs@

Eugene wrote:
> Hello All.
> I've got a time-to-time reproducible panic while running cleanups on a 
> mirror built with hammer mirror-stream.
> I'm running a system built on -DEVELOPMENT sources from August, 9th 
> (uses SILI device) and a following system layout:
> 
> /dev/da0s1a      /          ufs     rw  1  1
> /dev/da0s2b      none       swap    sw  0  0
> /dev/da0s2h      /HAMMER0   hammer  rw  2  2
> /HAMMER0/pfs/var /var       null    rw  2  2
> /dev/da1s1a      /mirror    ufs     rw  1  1 # not used
> /dev/da1s2b      none       swap    sw  0  0
> /dev/da1s2h      /HAMMER1   hammer  rw  2  2
> /HAMMER1/pfs/var /mirrorvar null    rw  2  2
> proc             /proc      procfs  rw  0  0
> 
> A kernel panic occurs on running daily cleanups on a slave part of 
> mirror and I managed to reproduce it manually while executing %hammer 
> reblock and %hammer rebalance commands on a slave pfs after a day or two 
> of uptime.
> When running %hammer cleanup immediately after system boot-up, it always 
> runs fine and resumes with no error.
> I've attached a screenshot of a latest panic I've got while running 
> cleanup.
> 
> If there can be any solution for this problem?

Which kernel version are you running?  Please post a uname -a output.

Also, please configure a dumpdev and capture a crash dump.

cheers
   simon



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