Messages in this thread | | | Date | Wed, 5 Jan 2005 11:37:01 +0000 | From | Christoph Hellwig <> | Subject | Re: unkillable processes using samba, xfs and lvm2 snapshots (k 2.6.10) |
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On Tue, Dec 28, 2004 at 12:24:01PM +0100, Gildas LE NADAN wrote: > Hi, > > I experience hangs on samba processes on a filer using xfs over lvm2 as > data partitions, when there is active snapshots of the xfs partitions. > > I have a clone of the production server (same software, same hardware) > where the situation can be reproduced perfectly. > > Testings showed that the result was the same, whether the snapshots were > mounted or not : smbd processes are locked and unkillable while the > machine is normaly working otherwise, except software reboot is > impossible and hardware reset is needed. > > I noticed Brad Fitzpatrick's case in kernel 2.6.10 changelog > (http://lkml.org/lkml/2004/11/14/98) and tested kernel 2.6.10 today > without success. > > Configuration is the following : > - supermicro m/b with dual Xeon 2,8Ghz (SMT is active) > - 1 GB ram, > - adaptec u320 raid controler > - kernel 2.6.10 > - debian sarge > - samba 3 > - LVM2 > - XFS with quota turned on > > All software are from debian sarge packages, except the kernel. > > I'm not able to determine if the problem is more xfs, device mapper or > samba related, and was not able to do extensive testings (using a > different filesystem, testing with a different daemon, etc...), but > SMT/SMP testings showed that this is not a SMP/SMT related problem. > > I've compiled the kernel with the debugging options, so I might provide > additional informations if needed as in Brad's case.
I'll try to reproduce your problems soon.
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