On Monday 13 November 2006 03:59, Robert Mueller wrote: > Just reviving an old issue to see if anyone has any more information. > > http://asg.web.cmu.edu/archive/message.php?mailbox=archive.cyrus-devel&msg=1072 > > 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. References: See commit 7658cc289288b8ae7dd2c2224549a048431222b3 Author: Linus Torvalds <[EMAIL PROTECTED]> Date: Fri Dec 29 10:00:58 2006 -0800 VM: Fix nasty and subtle race in shared mmap'ed page writeback in http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.20-rc3 or the nice LWN article at: http://lwn.net/Articles/215868/ -- 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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