On 08/02/2011 01:48 AM, Lennart Poettering wrote: > On Sat, 30.07.11 01:11, Mariusz Bialonczyk (ma...@skyboo.net) wrote: >> >> Hello again >> I want to bring some new light on this issue. It seems that passno doesn't >> solve the >> "busy device" issue (I tested it on debian's systemd v25-2 and also 29-1). >> >From time to time I've got the following error when starting (maybe about >> >1/4 of all reboots): >> systemd-fsck[572]: fsck.ext4: Device or resource busy while trying to open >> /dev/md4 >> systemd-fsck[572]: Filesystem mounted or opened exclusively by another >> program? >> But when I reboot another time the system boot up normally. >> >> Full screen from this boot process: http://skyboo.net/IMG_8188.JPG >> It seems that there is a problem with fsck-ing /dev/md devices (race >> condition?). >> Any news/tips to solve this? This is very annoying when the host is not >> always starting :( > > Hmm, I have not seen a similar problem. My guess is though that there's > some borkage with the RAID udev rules (are there any?): i.e. race > between systemd spawning fsck on the md devices and some other code > (that might be spawned from the udev rule) that does the same. > > Kay, do you have an idea? > > Lennart > Today I reproduced the problem with debugging turned on. The original screen photo is here: http://skyboo.net/systemd/IMG_8214.JPG But I retyped the essential info below: -------------------------------------- start here systemd-fsck[ 11.908231] systemd-fsck[127]: /dev/md0: clean, 85842/458752 files, 937206/1834480 blocks [127]: /dev/md0: clean, 85842/458752 files, 937206/1834480 blocks Started File System Check on Root Device. done. Started LSB: Set preliminary keymap. Starting Remount Root FS... Starting File System Check on /dev/disk/by-uuid/33a13f77-6e5a-4c1e-b959-d891b0a77488... [ 12.441172] EXT4-fs (md0): re-mounted. Opts: errors=remount-ro Started Remount Root FS. Starting LSB: Clean old interface status info during boot.... Starting LSB: mount emergency /tmp.... Cleaning up ifupdown...Starting /dev/disk/by-uuid/af8133a0-e9a5-4fcf-81e4-c87c2bb50ac8... Started LSB: mount emergency /tmp.. . Started LSB: Clean old interface status info during boot.. Starting LSB: Prepare the system for taking up interfaces.... [ 12.801958] Adding 1048508k swap on /dev/md3. Priority:0 extents:1 across:1048508k Started /dev/disk/by-uuid/af8133a0-e9a5-4fcf-81e4-c87c2bb50ac8. Setting up networking.... Started LSB: Prepare the system for taking up interfaces.. systemd-fsck[ 13.569809] systemd-fsck[59]: /dev/md4: clean, 2734236/57581568 files, 203991321/230296816 blocks [596]: /dev/md4: clean, 2734236/57581568 files, 203991321/230296816 blocks Started File System Check on /dev/disk/by-uuid/33a13f77-6e5a-4c1e-b959-d891b0a77488. Starting File System Check on /dev/disk/by-uuid/33a13f77-6e5a-4c1e-b959-d891b0a77488... Starting /home... [ 14.137995] mount[672]: mount: /dev/md4 already mounted or /home busy [ 14.138399] systemd[1]: home.mount mount process exited, code=exited status=32 Starting /home failed, see `systemctl status home.mount` for details. [ 14.178352] systemd[1]: Job local-fs.target/start failed with result `dependency`. [ 14.183514] systemd[1]: Triggering OnFailure= dependencies of local-fs target. [ 14.184655] systemd[1]: Unit home.mount entered failed state. Cleaning up ifupdown.... Welcome to emergency mode. Use "systemctl default" or ^D to activate default mode. Give root password for maintenance (or type Control-D to continue): -------------------------------------- end here Maybe now you know hot get rid of this problem...
regards, -- Mariusz Białończyk jabber/e-mail: ma...@skyboo.net http://manio.skyboo.net _______________________________________________ systemd-devel mailing list systemd-devel@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/systemd-devel