On Mon, Jun 04, 2018 at 09:03:41AM +1000, Dave Chinner wrote: > On Mon, Jun 04, 2018 at 08:34:35AM +1000, Dave Chinner wrote: > > On Sun, Jun 03, 2018 at 06:19:54PM -0400, Wen Xu wrote: > > > Hi XFS developers and maintainers, > > > Please check: https://bugzilla.kernel.org/show_bug.cgi?id=199915 > > > > Please report bugs straight to this list - it's much easier to > > track and faster to discuss bugs through email than it is through > > bugzilla. > > Image log size is too small for the filesystem config. If this was > a v5 filesystem, then the image would refuse to mount right there. > > As it is, a CONFIG_XFS_DEBUG=y kernel assert fails at mount in > xfs_check_agi_unlinked(). FWIW, with this check commented out, I can't reproduce the problem reported in the bugzilla on a current 4.17-rc7 + xfs-for-next tree. The POC dumps this in the log: [ 262.021574] XFS (loop0): Mounting V4 Filesystem [ 262.022689] XFS (loop0): Log size 864 blocks too small, minimum size is 942 blocks [ 262.024173] XFS (loop0): Log size out of supported range. [ 262.025107] XFS (loop0): Continuing onwards, but if log hangs are experienced then please report this message in the bug report. [ 262.028529] XFS (loop0): Ending clean mount [ 263.448565] XFS (loop0): bad inode magic/vsn daddr 7008 #1 (magic=ffe2) [ 263.450389] XFS (loop0): Metadata corruption detected at xfs_buf_ioend+0x64/0x170, xfs_inode block 0x1b60 xfs_inode_buf_verify [ 263.453309] XFS (loop0): Unmount and run xfs_repair [ 263.454605] XFS (loop0): First 128 bytes of corrupted metadata buffer: [ 263.456301] 00000000d3db45c2: ff e2 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 263.458496] 0000000025677d6d: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 263.460528] 0000000082376c33: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 263.462534] 000000002e73e1fc: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 263.464469] 00000000dfbbb4d7: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 64 ...............d [ 263.466457] 00000000a9156d94: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 263.468383] 00000000f55f3544: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 263.470227] 00000000c0d68803: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 263.472029] XFS (loop0): metadata I/O error in "xfs_trans_read_buf_map" at daddr 0x1b60 len 16 error 117 [ 263.474049] XFS (loop0): xfs_imap_to_bp: xfs_trans_read_buf() returned error -117. And does nothing else. Can you confirm this? Cheers, Dave. -- Dave Chinner david@xxxxxxxxxxxxx -- To unsubscribe from this list: send the line "unsubscribe linux-xfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
