Hi, I'm running into the same problem almost daily on several SMP machines (24 cpus) with high load, requiring reboot, using Ubuntu 10.04 LTS. I was initially running with with stock kernel (2.6.32-28-generic) but switched to 2.6.35 to see if it would go away, with the same result.
cat /proc/version Linux version 2.6.35-23-generic (buildd@allspice) (gcc version 4.4.3 (Ubuntu 4.4.3-4ubuntu5) ) #41~lucid1-Ubuntu SMP Thu Dec 2 22:27:43 UTC 2010 cat /proc/mounts rootfs / rootfs rw 0 0 none /sys sysfs rw,nosuid,nodev,noexec,relatime 0 0 none /proc proc rw,nosuid,nodev,noexec,relatime 0 0 none /dev devtmpfs rw,relatime,size=16466640k,nr_inodes=4116660,mode=755 0 0 none /dev/pts devpts rw,nosuid,noexec,relatime,gid=5,mode=620,ptmxmode=000 0 0 tmpfs /cow tmpfs rw,relatime,mode=755 0 0 /dev/nbd0 /rofs squashfs ro,relatime 0 0 aufs / aufs rw,relatime,si=f440d5a54f83f64d 0 0 tmpfs /cow tmpfs rw,relatime,mode=755 0 0 none /sys/fs/fuse/connections fusectl rw,relatime 0 0 none /sys/kernel/debug debugfs rw,relatime 0 0 none /sys/kernel/security securityfs rw,relatime 0 0 none /dev/shm tmpfs rw,nosuid,nodev,relatime 0 0 none /var/run tmpfs rw,nosuid,relatime,mode=755 0 0 none /var/lock tmpfs rw,nosuid,nodev,noexec,relatime 0 0 none /lib/init/rw tmpfs rw,nosuid,relatime,mode=755 0 0 tmpfs /tmp tmpfs rw,nosuid,nodev,relatime 0 0 server:/opt /opt nfs rw,relatime,vers=3,rsize=1048576,wsize=1048576,namlen=255,hard,proto=tcp,timeo=600,retrans=2,sec=sys,mountaddr=10.10.0.10,mountvers=3,mountproto=tcp,addr=10.10.0.10 0 0 server:/storage /storage nfs rw,relatime,vers=3,rsize=1048576,wsize=1048576,namlen=255,hard,proto=tcp,timeo=600,retrans=2,sec=sys,mountaddr=10.10.0.10,mountvers=3,mountproto=tcp,addr=10.10.0.10 0 0 binfmt_misc /proc/sys/fs/binfmt_misc binfmt_misc rw,nosuid,nodev,noexec,relatime 0 0 See the attachment with the kern.log for one of the machines. ** Attachment added: "kernel log" https://bugs.launchpad.net/ubuntu/+source/ltsp/+bug/604314/+attachment/1827299/+files/ldn3-kern.log -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/604314 Title: Kernel deadlock when running programs from aufs over squashfs -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs