On 2019/1/24 上午1:16, David Sterba wrote: > On Fri, Jan 18, 2019 at 10:19:51AM +0800, Qu Wenruo wrote: >> Patchset can be fetched from github: >> https://github.com/adam900710/linux/tree/write_time_tree_checker >> Which is based on v5.0-rc1 tag. >> >> This patchset has the following two features: >> - Tree block validation output enhancement >> * Output validation failure timing (write time or read time) >> * Always output tree block level/key mismatch error message >> This part is already submitted and reviewed. >> >> - Write time tree block validation check >> To catch memory corruption either from hardware or kernel. >> Example output would be: >> >> BTRFS critical (device dm-3): corrupt leaf: root=2 block=1350630375424 slot=68, bad key order, prev (10510212874240 169 0) current (1714119868416 169 0) >> BTRFS error (device dm-3): write time tree block corruption detected >> BTRFS critical (device dm-3): corrupt leaf: root=2 block=1350630375424 slot=68, bad key order, prev (10510212874240 169 0) current (1714119868416 169 0) >> BTRFS error (device dm-3): write time tree block corruption detected >> BTRFS: error (device dm-3) in btrfs_commit_transaction:2220: errno=-5 IO failure (Error while writing out transaction) >> BTRFS info (device dm-3): forced readonly >> BTRFS warning (device dm-3): Skipping commit of aborted transaction. >> BTRFS: error (device dm-3) in cleanup_transaction:1839: errno=-5 IO failure >> BTRFS info (device dm-3): delayed_refs has NO entry > > Two tests complain: Any info about the reproducibility and VM/hardware info? Especially for the VM ram size. I have looped these two test cases for 32 times, still no triggering. Thanks, Qu > > btrfs/139 > [ 7064.718943] run fstests btrfs/139 at 2019-01-23 15:56:29 > [ 7065.345503] BTRFS info (device vda): disk space caching is enabled > [ 7065.347577] BTRFS info (device vda): has skinny extents > [ 7065.666692] BTRFS: device fsid bc4c99e7-906a-44fd-b797-66eb7c9592d7 devid 1 transid 5 /dev/vdb > [ 7065.684618] BTRFS info (device vdb): disk space caching is enabled > [ 7065.687310] BTRFS info (device vdb): has skinny extents > [ 7065.688887] BTRFS info (device vdb): flagging fs with big metadata feature > [ 7065.693432] BTRFS info (device vdb): checking UUID tree > [ 7065.743019] BTRFS warning (device vdb): qgroup rescan is already in progress > [ 7065.746433] BTRFS info (device vdb): qgroup scan completed (inconsistency flag cleared) > [ 7075.359872] BTRFS critical (device vdb): corrupt leaf: root=7 block=31653888 slot=0, invalid nritems, have 0 should not be 0 for non-root leaf > [ 7075.363155] BTRFS error (device vdb): write time tree block corruption detected > [ 7077.578167] BTRFS: error (device vdb) in btrfs_commit_transaction:2220: errno=-5 IO failure (Error while writing out transaction) > [ 7077.583615] BTRFS info (device vdb): forced readonly > [ 7077.585797] BTRFS warning (device vdb): Skipping commit of aborted transaction. > [ 7077.588813] BTRFS: error (device vdb) in cleanup_transaction:1839: errno=-5 IO failure > > generic/344 > > [11246.567119] run fstests generic/344 at 2019-01-23 17:06:11 > [11246.652295] BTRFS info (device vda): disk space caching is enabled > [11246.654434] BTRFS info (device vda): has skinny extents > [11246.730069] BTRFS: device fsid b82bc1cd-b380-4eff-a40a-1924c3bf0580 devid 1 transid 5 /dev/vdb > [11246.740955] BTRFS info (device vdb): disk space caching is enabled > [11246.742694] BTRFS info (device vdb): has skinny extents > [11246.744173] BTRFS info (device vdb): flagging fs with big metadata feature > [11246.772934] BTRFS info (device vdb): checking UUID tree > [11300.857850] BTRFS critical (device vdb): corrupt leaf: root=7 block=31080448 slot=0, invalid nritems, have 0 should not be 0 for non-root leaf > [11300.861739] BTRFS error (device vdb): write time tree block corruption detected > [11300.864232] BTRFS: error (device vdb) in btrfs_commit_transaction:2220: errno=-5 IO failure (Error while writing out transaction) > [11300.867704] BTRFS info (device vdb): forced readonly > [11300.869355] BTRFS warning (device vdb): Skipping commit of aborted transaction. > [11300.871857] BTRFS: error (device vdb) in cleanup_transaction:1839: errno=-5 IO failure > [11300.874292] BTRFS info (device vdb): delayed_refs has NO entry > [11301.261978] BTRFS info (device vdb): disk space caching is enabled > [11301.264639] BTRFS info (device vdb): has skinny extents > [11301.266467] BTRFS info (device vdb): flagging fs with big metadata feature > [11301.299713] BTRFS info (device vdb): checking UUID tree > [17:07:06]- output mismatch (see /tmp/fstests/results//generic/344.out.bad) > --- tests/generic/344.out 2018-04-12 16:57:00.652225551 +0000 > +++ /tmp/fstests/results//generic/344.out.bad 2019-01-23 17:07:06.424000000 +0000 > @@ -17,6 +17,7 @@ > INFO: thread 0 created > INFO: thread 1 created > INFO: 0 error(s) detected > +unlink(): Read-only file system > > INFO: zero-filled test... > INFO: sz = 268435456 > ... > (Run 'diff -u /tmp/fstests/tests/generic/344.out /tmp/fstests/results//generic/344.out.bad' to see the entire diff) >
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