skiplist db corruption
bernhard at intevation.de
Mon Jan 1 16:32:40 EST 2007
On Monday 13 November 2006 03:59, Robert Mueller wrote:
> Just reviving an old issue to see if anyone has any more information.
> We still see this every now and then, most often with seen state databases.
> It's most often after an unclean shutdown, but I've seen it at other times
> as well. Has anyone got any more ideas on what might be causing this?
The linux people have found a long standing problem with mmap().
Citing from https://intevation.de/roundup/kolab/issue840:
This would fit our current observations that
using mremap would be irrelevant and that these
problems were not seen on FreeBSD or Solaris systems.
See commit 7658cc289288b8ae7dd2c2224549a048431222b3
Author: Linus Torvalds <torvalds at macmini.osdl.org>
Date: Fri Dec 29 10:00:58 2006 -0800
VM: Fix nasty and subtle race in shared mmap'ed page writeback
or the nice LWN article at:
Managing Director - Owner, www.intevation.net (Free Software Company)
Germany Coordinator, fsfeurope.org (Non-Profit Org for Free Software)
www.kolab-konsortium.com (Email/Groupware Solution, Professional Service)
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