Hi Tony, On Fri, Feb 22, 2013 at 08:12:52AM +0000, Tony Lu wrote: > I encountered the following panic when using xfs partitions as rootfs, which > is due to the truncated log data read by xlog_bread_noalign(). We should > extend the buffer by one extra log sector to ensure there's enough space to > accommodate requested log data, which we indeed did in xlog_get_bp(), but we > forgot to do in xlog_bread_noalign(). > > XFS mounting filesystem sda2 > Starting XFS recovery on filesystem: sda2 (logdev: internal) > XFS: xlog_recover_process_data: bad clientid > XFS: log mount/recovery failed: error 5 > XFS: log mount failedVFS: Cannot open root device "sda2" or unknown-block(8,) > Please append a correct "root=" boot option; here are the available partitio: > 0800 156290904 sda driver: sd > 0801 31463271 sda1 00000000-0000-0000-0000-000000000000 > 0802 31463302 sda2 00000000-0000-0000-0000-000000000000 > 0803 31463302 sda3 00000000-0000-0000-0000-000000000000 > 0804 1 sda4 00000000-0000-0000-0000-000000000000 > 0805 10490413 sda5 00000000-0000-0000-0000-000000000000 > 0806 51407968 sda6 00000000-0000-0000-0000-000000000000 > Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(8,) > > Starting stack dump of tid 1, pid 1 (swapper) on cpu 35 at cycle 42273138234 > frame 0: 0xfffffff70016e5a0 dump_stack+0x0/0x20 (sp 0xfffffe03fbedfe88) > frame 1: 0xfffffff7004af470 panic+0x150/0x3a0 (sp 0xfffffe03fbedfe88) > frame 2: 0xfffffff700881e88 mount_block_root+0x2c0/0x4c8 (sp 0xfffffe03fbe) > frame 3: 0xfffffff700882390 prepare_namespace+0x250/0x358 (sp 0xfffffe03fb) > frame 4: 0xfffffff700880778 kernel_init+0x4c8/0x520 (sp 0xfffffe03fbedffb0) > frame 5: 0xfffffff70011ecb8 start_kernel_thread+0x18/0x20 (sp 0xfffffe03fb) > Stack dump complete > > Signed-off-by: Zhigang Lu <zlu@xxxxxxxxxx> > Reviewed-by: Chris Metcalf <cmetcalf@xxxxxxxxxx> Looks fine to me. I'll pull it in after some testing. Do you happen to have a metadump of this filesystem? Reviewed-by: Ben Myers <bpm@xxxxxxx> Thanks! -Ben _______________________________________________ xfs mailing list xfs@xxxxxxxxxxx http://oss.sgi.com/mailman/listinfo/xfs
