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Date: Wed, 16 Aug 2017 13:49:48 +0000 From: bugzilla-daemon@...zilla.kernel.org To: linux-ext4@...nel.org Subject: [Bug 196677] fsck.ext4: unable to set superblock flags, even after mounting ok https://bugzilla.kernel.org/show_bug.cgi?id=196677 --- Comment #1 from Theodore Tso (tytso@....edu) --- On Wed, Aug 16, 2017 at 08:14:26AM +0000, bugzilla-daemon@...zilla.kernel.org wrote: > > Just had a Raspberry Pi crash, and upon reboot fsck.ext4 was unable to repair > the filesystem. Moving the SD card to a PC and running fsck there showed the > same behaviour. I am not sure what exactly you need to know so please advise > if you need anything else. This is a e2fsprogs bugs, not a kernel bug, but it's fine to discuss it here. Can you send me the output of "dumpe2fs /dev/sdb2", "debugfs -R 'stat <8>' /dev/sdb2", and "debugfs -R logdump /dev/sdb2"? Also could you run: debugfs -R 'dump_inode <8> /tmp/journal.dat' /dev/sdb2 and then send me a copy of /tmp/journal.dat? I'm guessing the journal must be corrupted in some interesting way, since what should have happened if it was just a case of the journal data being present but the superblock flags not being set sould have been: e2fsck 1.43.5 (04-Aug-2017) /tmp/foo.img: recovering journal Pass 1: Checking inodes, blocks, and sizes Pass 2: Checking directory structure Pass 3: Checking directory connectivity Pass 4: Checking reference counts Pass 5: Checking group summary information Free blocks count wrong (26854, counted=24490). Fix? yes Free inodes count wrong (8181, counted=7281). Fix? yes /tmp/foo.img: ***** FILE SYSTEM WAS MODIFIED ***** /tmp/foo.img: 911/8192 files (0.0% non-contiguous), 8278/32768 blocks Cheers, - Ted -- You are receiving this mail because: You are watching the assignee of the bug.
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