On Mon, 2009-10-12 at 17:47 +0200, Mateusz Kijowski wrote: > Package: xfsprogs > Version: 2.9.8-1lenny1 > Severity: important This is really a kernel bug, and has been reassigned accordingly. > Recently I got a corrupt filesystem in qemu image. xfs_repair insists that the filesystem must be > unmounted cleanly before running. When trying to mount I get: > > [141946.555463] Filesystem "loop0": Disabling barriers, not supported by the underlying device > [141946.555463] XFS: correcting sb_features alignment problem > [141946.555463] XFS mounting filesystem loop0 > [141946.587706] Starting XFS recovery on filesystem: loop0 (logdev: internal) > [141946.587926] BUG: unable to handle kernel NULL pointer dereference at 0000000000000010 > [141946.587926] IP: [<ffffffffa041ad5a>] :xfs:xlog_recover_add_to_trans+0xc1/0xe7 > [141946.587926] PGD 19242b067 PUD 24f3f6067 PMD 0 > [141946.587926] Oops: 0002 [1] SMP > [141946.587926] CPU 1 > [141946.587926] Modules linked in: xfs tun ipt_REJECT xt_tcpudp iptable_filter ip_tables x_tables iscsi_trgt crc32c libcrc32c ipv6 nfsd auth_rpcgss > exportfs nfs lockd nfs_acl sunrpc bridge ext4dev jbd2 crc16 kvm_intel kvm loop serio_raw snd_pcm snd_timer snd psmouse soundcore i2c_i801 rng_core > snd_page_alloc pcspkr i2c_core i5000_edac edac_core button shpchp pci_hotplug evdev ext3 jbd mbcache dm_mirror dm_log dm_snapshot dm_mod raid1 md_mod > ide_cd_mod cdrom ata_generic piix ide_pci_generic ide_core ehci_hcd uhci_hcd e1000e 3w_9xxx sd_mod thermal processor fan thermal_sys ahci libata > scsi_mod dock > [141946.587926] Pid: 13307, comm: mount Not tainted 2.6.26-1-amd64 #1 [...] This was an old kernel version even when you reported this bug. You should install the meta-package linux-image-2.6-amd64 which currently (in Debian 5.0) depends on linux-image-2.6.26-2-amd64. I don't see any bug fixes to XFS, but there have been many security fixes. Anyway, I had a look through the changes since Linux 2.6.26, and I found that this bug has been fixed. I intend to include that fix in a stable update. Ben. -- Ben Hutchings Once a job is fouled up, anything done to improve it makes it worse.
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