On 10/26/12 12:15 PM, Milan Holzäpfel wrote: > Hello all, > > I have an XFS filesystem of size 1.2 TiB with 101 GiB free space and 14 > million inodes in use. Quotas are disabled on the filesystem. I try to > enable user and group quotas by mounting with > > mount /dev/xfs_device /mnt -o uquota,gquota > > I first tried this with the 3.2.0 Kernel from Ubuntu 12.04 and hit an > OOM [1, 2]. In [1], it is said that the OOM is fixed in 3.5, so I tried > 3.5.7 and 3.6.3 from http://kernel.ubuntu.com/~kernel-ppa/mainline/ (I > believe these are vanilla kernel.org kernels compiled with Ubuntu's > configuration). > > With 3.5.7 and 3.6.3, the OOM does not occur. For some time after > issuing the mount command, there is much I/O activity with xfs_inode > in /proc/slabinfo growing up to ~ 500k entries, which is just fine. At > some point, the I/O activity stops, but the mount does not terminate. > The system is completely idle. (The mount was the only activity on the > system.) > > In dmesg, I find > > INFO: task mount:8806 blocked for more than 120 seconds. And then what? Probably a backtrace, right? sysrq-w to get hung tasks or sysrq-t to get all task traces might help. The sysrqs are one of the things suggested in: http://xfs.org/index.php/XFS_FAQ#Q:_What_information_should_I_include_when_reporting_a_problem.3F Thanks, -Eric > in regular intervals. > > Can you help me with this? Thanks in advance. > > Regards, > Milan Holzäpfel > > > > [1]: http://oss.sgi.com/archives/xfs/2012-06/msg00362.html > [2]: http://oss.sgi.com/archives/xfs/2012-09/msg00260.html > > > _______________________________________________ xfs mailing list xfs@xxxxxxxxxxx http://oss.sgi.com/mailman/listinfo/xfs
