Dne 15.8.2010 16:13, Jeff Chua napsal(a): > On Sun, Aug 15, 2010 at 9:03 PM, Alasdair G Kergon <agk@xxxxxxxxxx> wrote: >>> Just a vanilla linux. No udev. >> >> So likely a userspace problem where udev is now assumed to be present. >> >>>> Provide long listing of /dev/mapper and any dm/lvm devices in /dev. >> >> You can do that by running: >> ls -l /dev/mapper /dev/vg01 >> Also: >> cat /proc/devices > > 253 device-mapper > >> cat /proc/misc > > 236 device-mapper <== was at 60 before the new kernel > > > Got it! Sorry, it's me being _dumb_!!! > > With 2.6.35++, /dev/mapper/control has moved from 60 to 236! > > So I fix it by recreating the control file with "mknod > /var/mapper/control c 10 253". > > I got this "internal error" when I activate/deactivate the volume > group, but it seems ok. I could mount the volumes and so far it's all > good. > > # vgchange -a n vg01 > Internal error: Maps lock 14217216 < unlock 14221312 > Internal error: Maps lock 14221312 < unlock 14225408 > Internal error: Maps lock 14225408 < unlock 14229504 > Internal error: Maps lock 14229504 < unlock 14233600 > Internal error: Maps lock 14233600 < unlock 14237696 > Internal error: Maps lock 14237696 < unlock 14241792 > 0 logical volume(s) in volume group "vg01" now active > > # vgchange -a y vg01 > Internal error: Maps lock 14192640 < unlock 14196736 > Internal error: Maps lock 14196736 < unlock 14200832 > Internal error: Maps lock 14200832 < unlock 14204928 > Internal error: Maps lock 14204928 < unlock 14209024 > Internal error: Maps lock 14209024 < unlock 14213120 > Internal error: Maps lock 14213120 < unlock 14217216 > 6 logical volume(s) in volume group "vg01" now active > > Hopefully those errors above means no harm. > Well error is usually error - so some harm under certain circumstances could happen (low memory situation)... But in this case I assume it's related to this kernel commit which should fix this problem ? http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=d7824370e26325c881b665350ce64fb0a4fde24a Zdenek -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
