dumpef2s output attached when i booted into windows and then back to linux there was always additional checksum error in superblock. when i was booting only to linux then there were always errors i wrote in previous comments, but I don't remember exact numbers
all this started because of damaged disk (hw problems), I had to buy new one and transfer what I could. i was using ext2fsd for years, but on partitions created years ago. it seems it doesn't like ones created with ubuntu 16.10. I already reported this problem to ext2fsd project When I identified that issue was related with ext2fsd I removed it from windows, reformatted ext4 partitions and restored data from this damaged disk again - now everything seems to work without any problem. That also means I am not currently able to reproduce problem - I don't want to damage data, restoring takes very long time ** Attachment added: "dumpef2s.txt" https://bugs.launchpad.net/ubuntu/+source/e2fsprogs/+bug/1637779/+attachment/4770160/+files/dumpef2s.txt -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to e2fsprogs in Ubuntu. https://bugs.launchpad.net/bugs/1637779 Title: ext4 filesystem fails randomly with checksum error Status in e2fsprogs package in Ubuntu: New Bug description: Description: Ubuntu 16.10 Release: 16.10 package version: linux-image-4.8.0-26-generic: Installed: 4.8.0-26.28 Candidate: 4.8.0-26.28 Version table: *** 4.8.0-26.28 500 500 http://sk.archive.ubuntu.com/ubuntu yakkety-updates/main amd64 Packages 500 http://security.ubuntu.com/ubuntu yakkety-security/main amd64 Packages 100 /var/lib/dpkg/status fresh installation of Ubunut 16.10, all updates included While I am working with system after few minutes root filesystem /dev/sdb5 switches into readonly mode in dmesg is this: [ 304.921552] EXT4-fs error (device sdb5): ext4_iget:4476: inode #24577: comm updatedb.mlocat: checksum invalid [ 304.925565] Aborting journal on device sdb5-8. [ 304.926507] EXT4-fs (sdb5): Remounting filesystem read-only [ 304.927416] EXT4-fs error (device sdb5): ext4_journal_check_start:56: Detected aborted journal [ 304.943408] EXT4-fs error (device sda1): ext4_iget:4476: inode #12: comm updatedb.mlocat: checksum invalid when it happens I must do fsck f /dev/sdb1 once, second time it says everything is fine. after reboot when I start dto do something it soon happens again To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/e2fsprogs/+bug/1637779/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp