On Saturday 17 January 2009 15:09:52 sf...@users.sourceforge.net wrote: > Hello Yuri, > > Yuri Chislov: > > I have sometimes errors on del branch or umount operations. > > The system used as file server with snapshots. > > > > Used kernel: 2.6.27.10 > > aufs: 20081208 (from CVS, used local.mk ) > > > > /sys/fs/aufs/config > > CONFIG_AUFS=m > > CONFIG_AUFS_BRANCH_MAX_127=y > > CONFIG_AUFS_RR_SQUASHFS=y > > CONFIG_AUFS_DEBUG=y > > > > Error messages: > > Jan 11 00:02:01 filer kernel: BUG: unable to handle kernel NULL pointer > > dereference at 00000000 > > Jan 11 00:02:01 filer kernel: IP: [<f8b0b599>] > > :aufs:cpup_entry+0x489/0x650 Jan 11 00:02:01 filer kernel: *pde = > > 00000000 > > Jan 11 00:02:01 filer kernel: Oops: 0000 [#1] SMP > > Jan 11 00:02:01 filer kernel: Modules linked in: af_packet aufs > > binfmt_misc dm_mod ehci_hcd uhci_hcd e1000e sg sr_mod cdrom evdev usbcore > > unix Jan 11 00:02:01 filer kernel: > > Jan 11 00:02:01 filer kernel: Pid: 4082, comm: chown Not tainted > > (2.6.27.10-1 #1) > > Your command is "chown -n /aufs/something", isn't it? > Which is filesystem of your branch? > Could you reproduce the problem simply? > > > J. R. Okajima
Hello, Thank you for quick response. The used fs is ext3. chown -R was used in first case only. In other cases used umount or mount -o remount,... with del: one of the branches. Yuri. ------------------------------------------------------------------------------ This SF.net email is sponsored by: SourcForge Community SourceForge wants to tell your story. http://p.sf.net/sfu/sf-spreadtheword