[DRBD-user] Re: XFS filesystem locks on mounting with 0.8.0.5
lars.ellenberg at linbit.com
Mon Aug 27 22:10:26 CEST 2007
On Mon, Aug 27, 2007 at 04:29:35PM +0200, Laurent Wacrenier wrote:
> We're experiencing a file system lock with DRBD and XFS.
> When mouting the filesystem, the kernel logs
> Starting XFS recovery on filesystem: drbd0 (logdev: internal)
> but nothing happens and the disk reports no IO.
this has nothing to do with xfs.
for housekeeping (meta data update), we had a recursive, synchronous,
call to generic_make_request in the generic_make_request path.
with 2.6.22 and later kernels, this will deadlock :->
> The bug started to occurs with Linux 2.6.22 and drdb 0.8.0.3. I upgraded
> to 126.96.36.199 and 0.8.0.5 but nothing changed.
btw, drbd versioning has dropped the leading zero,
staring with 8.0.0
> Does someone has a suggestion?
go back to pre 2.6.22 kernel,
or use current drbd svn: svn co http://svn.drbd.org/drbd/branches/drbd-8.0
or wait for 8.0.6 which will include this fix.
: Lars Ellenberg Tel +43-1-8178292-0 :
: LINBIT Information Technologies GmbH Fax +43-1-8178292-82 :
: Vivenotgasse 48, A-1120 Vienna/Europe http://www.linbit.com :
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