Looks like BZ#838784 is in glusterfs on this issue, but I don't think that will help us out here as they seem to be patching glusterfs and not ext4.... Pat On 08/16/2012 10:31 AM, Thomas Müller wrote: > Hi Stephan, > > yes, we have the cache on ext4 - so i guess you are right. > > regards, > Thomas. > > Am 16.08.2012 17:20, schrieb Stephan Wiesand: >> Hi Thomas, >> >> On Aug 15, 2012, at 13:51 , Thomas L. >> Koppe<[log in to unmask]> wrote: >> >>> in the mean while we builded the kmod-openafs rpm against the kernel >>> 2.6.32-279.2.1.el6 and now we've no problems anymore. We're testing >>> it now for while. >> >> is your cache on ext4? The old module seems to work for me when I use >> ext3 for the cache. >> >> I wonder whether the problem is related to this: >> http://joejulian.name/blog/glusterfs-bit-by-ext4-structure-change/ >> >> All the same, it still means that those handy kmods cannot be used >> for packaging the openafs client. I guess it's back to >> kernel-module-openafs-`uname -r` . >> >> Best regards, >> Stephan >> >>> Am 15.08.2012 11:38, schrieb Stephan Wiesand: >>>> On Aug 15, 2012, at 09:41 , "Thomas L. >>>> Koppe"<[log in to unmask]> wrote: >>>> >>>>> we have some problems with the new kernels (2.6.32-279, >>>>> 2.6.32-279.1.1, 2.6.32-279.2.1) and openafs-1.6.1-112.sl6 on 32bit >>>>> systems. It's the same problem on SL_6.2_X86 and SL6.3_X86. On >>>>> servers with just a few installed RPMs everything works fine. On >>>>> systems with a full paket installation we can't read any files in >>>>> afs, which are bigger than some kbytes. On x86_64 systems we have >>>>> no problems. >>>> >>>> >>>> ouch. I can reproduce this on my test VM. Reading processes just >>>> hang in D+ state, but are interruptible, right? >>>> >>>> I rebuilt the module against 2.6.32-279.1.1, and that build works >>>> for me. Could you please try >>>> >>>> http://www-zeuthen.desy.de/~wiesand/SL6/i686/kmod-openafs-1.6.1-112.sl6.279.1.1.i686.rpm >>>> ? >>>> >>>> Installing this will probably cause the same problem with older >>>> kernels you still have installed. If you want to keep both >>>> functional, rm /lib/modules/.../weak-updates/openafs/openafs.ko , >>>> extract the new module with rpm2cpio|cpio -iv, copy it to an >>>> appropritae place (say /lib/modules/.../kernel/fs), and run depmod >>>> -a 2.6.32-279.1.1.el6 . Then cross fingers and reboot. >> > -- Pat Riehecky Scientific Linux Developer