> On Fri, 2012-08-24 at 03:30 +0400, Hrayr Grigoryan wrote: >> Package: src:linux >> Version: 3.2.23-1 >> Severity: critical >> Tags: lfs >> Justification: causes serious data loss >> >> Dear Maintainer, >> >> When I'm trying to format file image with the command "mkfs -t ext4 >> file.img", it returns the following errors >> [ 142.328065] EXT4-fs error (device sdb1): ext4_ext_map_blocks:3769: >> inode #12: comm mkfs.ext4: bad extent address lblock: 1022, depth: 2 >> pblock 0 >> [ 142.328387] EXT4-fs error (device sdb1): ext4_ext_map_blocks:3769: >> inode #12: comm mkfs.ext4: bad extent address lblock: 1023, depth: 2 >> pblock 0 >> [ 142.328699] EXT4-fs error (device sdb1): ext4_ext_map_blocks:3769: >> inode #12: comm mkfs.ext4: bad extent address lblock: 9254, depth: 2 >> pblock 0 >> [ 142.329018] EXT4-fs error (device sdb1): ext4_ext_map_blocks:3769: >> inode #12: comm mkfs.ext4: bad extent address lblock: 1057, depth: 2 >> pblock 0 > > So you have an ext4 filesystem in file.img, on top of an ext4 filesystem > on /dev/sdb1? yes, all are ext4, no other file systems I have on that machine.
> >> The problem visible only for big images f.x. 160Gb and more. >> I did the tests on different hardwares, but result the same. > [...] > > How is test.img created, before you run mkfs? Is it a sparse file or > does it have all data blocks allocated? No it is not sparse file, test.img was created with the following command dd if=/dev/zero of=test.img bs=1M count=160k > Have you tested this on any other kernel versions (earlier or later)? Yes, I have tested with the earlier versions, all earlier versions of 3.x.x kernels have this bug. Hrayr. > > Ben. > > -- > Ben Hutchings > Experience is what causes a person to make new mistakes instead of old > ones. > -- To UNSUBSCRIBE, email to debian-bugs-rc-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org