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Groups > linux.debian.kernel > #61412 > unrolled thread
| Started by | debian@heinopeters.de |
|---|---|
| First post | 2018-07-15 18:20 +0200 |
| Last post | 2018-07-17 22:50 +0200 |
| Articles | 2 — 2 participants |
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Bug#903838: Unable to mount ext4 filesystem with meta_bg flag debian@heinopeters.de - 2018-07-15 18:20 +0200
Bug#903838: Unable to mount ext4 filesystem with meta_bg flag Ben Hutchings <ben@decadent.org.uk> - 2018-07-17 22:50 +0200
| From | debian@heinopeters.de |
|---|---|
| Date | 2018-07-15 18:20 +0200 |
| Subject | Bug#903838: Unable to mount ext4 filesystem with meta_bg flag |
| Message-ID | <wbRUB-lX-1@gated-at.bofh.it> |
Package: linux-image-4.9.0-7-amd64 Version: 4.9.110-1 Mounting ext4 filesystem with meta_bg set fails with "structure needs cleaning". Mounting the same filesystem with the kernel from linux-image-4.9.0-6-amd64 works as expected. root@mini:/home/peters# mkfs.ext4 -O meta_bg,^resize_inode /dev/sdb1 mke2fs 1.43.4 (31-Jan-2017) Creating filesystem with 10485504 4k blocks and 2621440 inodes Filesystem UUID: 5400c937-1062-4cc2-8c4c-94dcf8ec2f57 Superblock backups stored on blocks: 32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632, 2654208, 4096000, 7962624 Allocating group tables: done Writing inode tables: done Creating journal (65536 blocks): done Writing superblocks and filesystem accounting information: done root@mini:/home/peters# mount -v /dev/sdb1 /mnt mount: mount /dev/sdb1 on /mnt failed: Structure needs cleaning root@mini:/home/peters# tail -3 /var/log/syslog Jul 15 11:42:44 mini kernel: [ 28.425654] sdb: sdb1 Jul 15 11:48:26 mini kernel: [ 370.639747] EXT4-fs (sdb1): ext4_check_descriptors: Block bitmap for group 0 overlaps block group descriptors Jul 15 11:48:26 mini kernel: [ 370.640447] EXT4-fs (sdb1): group descriptors corrupted! root@mini:/home/peters# uname -a Linux mini 4.9.0-7-amd64 #1 SMP Debian 4.9.110-1 (2018-07-05) x86_64 GNU/Linux root@mini:/home/peters#
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| From | Ben Hutchings <ben@decadent.org.uk> |
|---|---|
| Date | 2018-07-17 22:50 +0200 |
| Message-ID | <wcF4Z-4Cd-1@gated-at.bofh.it> |
| In reply to | #61412 |
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Control: tag -1 confirmed patch pending On Sun, 2018-07-15 at 18:03 +0200, debian@heinopeters.de wrote: > Package: linux-image-4.9.0-7-amd64 > Version: 4.9.110-1 > > Mounting ext4 filesystem with meta_bg set fails with "structure needs cleaning". > Mounting the same filesystem with the kernel from linux-image-4.9.0-6-amd64 > works as expected. [...] I can reproduce this and found that it is fixed by a commit in Ted Ts'o's ext4 development repository. I'm attaching a backported version which applies to stretch. As a workaround, you can mount a filesystems affected by this bug as read-only and then remount it read-write. In this case the consistency checks do not prevent mounting. (This is probably a bug in itself!) Ben. -- Ben Hutchings Once a job is fouled up, anything done to improve it makes it worse.
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