Please reply to all. You keep dropping Qu and the Btrfs list off your responses.
On Fri, May 5, 2017 at 2:22 PM, Alexandru Guzu <alexg...@gmail.com> wrote: > I booted a Live CD with btrfs-progs 4.10.2 and ran a check on the > partition, the regular btrfs check did not find any errors, but the > lowmem one did find errors: > > btrfs check --mode lowmem /dev/sda1 > Checking filesystem on /dev/sda1 > UUID: bc8af368-8565-48d8-a16b-e2d25061f6ac > checking extents > checking free space cache > checking fs roots > ERROR: root 5 EXTENT_DATA[627 12288] csum missing, have: 0, expected: 4096 > ERROR: root 5 EXTENT_DATA[627 20480] csum missing, have: 0, expected: 45056 > ERROR: root 5 EXTENT_DATA[627 73728] csum missing, have: 0, expected: 4096 > ERROR: root 5 INODE[627] nbytes(2928640) not equal to extent_size(2981888) > ERROR: root 5 EXTENT_DATA[5759 4096] csum missing, have: 0, expected: 4096 > ERROR: root 5 INODE[5759] nbytes(12288) not equal to extent_size(16384) > ERROR: root 5 EXTENT_DATA[5760 4096] csum missing, have: 0, expected: 12288 > ERROR: root 5 INODE[5760] nbytes(53248) not equal to extent_size(65536) > ERROR: root 5 EXTENT_DATA[284832 4096] csum missing, have: 0, expected: 24576 > ERROR: root 5 INODE[284832] nbytes(8192) not equal to extent_size(32768) > ERROR: root 5 EXTENT_DATA[284834 36864] csum missing, have: 0, expected: > 253952 > ERROR: root 5 INODE[284834] nbytes(40960) not equal to extent_size(294912) > ERROR: root 5 EXTENT_DATA[839436 8192] interrupt > ERROR: errors found in fs roots > found 4971778048 bytes used, error(s) found > total csum bytes: 4042156 > total tree bytes: 831029248 > total fs tree bytes: 815988736 > total extent tree bytes: 10010624 > btree space waste bytes: 221535838 > file data blocks allocated: 4330766336 > referenced 5587816448 > > I suppose I should attempt a repair? No, the lowmem mode doesn't support repair yet. I'd expect normal mode won't repair anything if it doesn't find problems. >I have no important data on this drive. > I haven't deleted the Firefox cache yet. > btrfs scrub did not find any errors I think you've found a bug in kernel handling, we'll just have to see what Qu says. I would go with the deleting of the Firefox cache first, and then if necessary reinstall just Firefox. Are there other things that trigger it? -- Chris Murphy -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html