Messages in this thread |  | | Date | Tue, 18 Sep 2001 14:08:20 -0700 | From | David Rees <> | Subject | Re: bdflush and postgres stuck in D state |
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On Tue, Sep 18, 2001 at 10:49:10AM -0700, Andrew Morton wrote: > Jakob Østergaard wrote: > > > > Sorry for following up on my own post, I have a little extra > > information. > > > > I started a g++ job to try to force the machine to write out some dirty > > buffers before I reboot. g++ now hangs along with two sync's, bdflush > > and the postgres process. > > > > Since 2.4.7 several bugs have been fixed in RAID1 which would > cause this, including a missing blockdevice unplug and failure > to hang onto the supposedly-reserved RAID1 buffer-heads.
Even kernels as recent as 2.4.9 have this bug. See this thread for more info and a patch which fixes this bug.
The thread: http://marc.theaimsgroup.com/?t=99911655500004&w=2&r=1
The patch: http://marc.theaimsgroup.com/?l=linux-kernel&m=99913223508789&w=2
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