On Fri, Jul 26, 2013 at 01:19:40AM +0100, Pete wrote: > Dear All, > > Have I anything to be concerned about? > > I have got some error messages on booting. The scenario was that I > had installed some ram and I suspect that I had disturbed a cable as > one disk was not visible. I could not mount the other disk (did not > try degraded, but the messages seemed to indicate something serious > was up). > > After installing ram booted. But some issue with some files, > anything accessing those files froze. Had to reboot. Failed to > shutdown correctly (shutdown stalled on unmount) > > Reboot. > > /home etc not mounted (btrfs in question) > > Btrfsck /dev/sdb showed various errors. > > When complete turned off machine. Fiddled with cables. Affected > drive now seen on reboot. > > Rebooted. Mounted disks (perhaps) error messages may have been > present on boot. Much disk IO. Disk IO stopped. Machine appeared > frozen except that Caps lock and Num lock worked. > Ctrl-alt-backspace did not sort out stalled x(?)dm session. Hard > power down. > > Last reboot. Error messages. However, works. Example messages from dmesg: > > [ 8.063138] btrfs: enabling inode map caching > [ 8.067617] btrfs: use lzo compression > [ 8.072092] btrfs: disk space caching is enabled > [ 8.147324] btrfs: bdev /dev/sdb errs: wr 4015, rd 464, flush 0, > corrupt 0, gen 0 > [ 8.802275] NET: Registered protocol family 10 > [ 15.462313] device fsid 2628a800-e095-4460-9b93-8847e9fb626b > devid 2 transid 27794 /dev/sdc > [ 15.511463] device fsid 2628a800-e095-4460-9b93-8847e9fb626b > devid 2 transid 27794 /dev/sdc > [ 15.566689] device fsid 2628a800-e095-4460-9b93-8847e9fb626b > devid 2 transid 27794 /dev/sdc > [ 15.587851] device fsid 2628a800-e095-4460-9b93-8847e9fb626b > devid 2 transid 27794 /dev/sdc > [ 15.620678] device fsid 2628a800-e095-4460-9b93-8847e9fb626b > devid 2 transid 27794 /dev/sdc > [ 16.024295] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready > ... > > ... > > ... > > ... > 19.491507] tun: (C) 1999-2004 Max Krasnyansky <m...@qualcomm.com> > [ 56.064899] parent transid verify failed on 1142639534080 wanted > 27788 found 26856 > [ 56.154721] btrfs read error corrected: ino 1 off 1142639534080 > (dev /dev/sdb sector 2179305424) > [ 56.166301] parent transid verify failed on 1142597795840 wanted > 27777 found 27772 > [ 56.186790] btrfs read error corrected: ino 1 off 1142597795840 > (dev /dev/sdb sector 2179223904) > [ 56.460857] parent transid verify failed on 1142599532544 wanted > 27779 found 27772 > [ 56.461396] btrfs read error corrected: ino 1 off 1142599532544 > (dev /dev/sdb sector 2179227296) > [ 59.927078] ata1.00: configured for UDMA/133 > [ 59.927082] ata1: EH complete > [ 59.933467] ata2.00: configured for UDMA/133 > [ 59.933473] ata2: EH complete > [ 60.129445] ata3.00: configured for UDMA/133 > [ 60.129458] ata3: EH complete > [ 61.449810] parent transid verify failed on 1142629605376 wanted > 27784 found 26856 > [ 61.473817] btrfs read error corrected: ino 1 off 1142629605376 > (dev /dev/sdb sector 2179286032) [snip] > [ 104.204035] btrfs read error corrected: ino 1544486 off 0 (dev > /dev/sdb sector 2182960392) > [ 104.204551] btrfs read error corrected: ino 1544486 off 4096 (dev > /dev/sdb sector 2182960400) > [ 117.249253] parent transid verify failed on 1142609051648 wanted > 27774 found 26856 > [ 117.255886] btrfs read error corrected: ino 1 off 1142609051648 > (dev /dev/sdb sector 2179245888) > [ 117.419294] parent transid verify failed on 1142599507968 wanted > 27779 found 27772 > [ 117.437317] btrfs read error corrected: ino 1 off 1142599507968 > (dev /dev/sdb sector 2179227248) > [ 137.502176] NFSD: Unable to end grace period: -110 > > Given that I have booted now - does this mean that the above was > btrfs sorting itself out?
Looks like it. I'd recommend a scrub to check for any other out of date data on the affected drive. I've done pretty much the same thing as this myself, and a scrub, though scary in the amount of noise it made, fixed everything satisfactorily. Hugo. -- === Hugo Mills: hugo@... carfax.org.uk | darksatanic.net | lug.org.uk === PGP key: 65E74AC0 from wwwkeys.eu.pgp.net or http://www.carfax.org.uk --- Sometimes, when I'm alone, I Google myself. ---
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