Am 28.11.18 um 22:13 schrieb Andrey Melnikov: > ср, 28 нояб. 2018 г. в 18:55, Rainer Fiebig : >> >> Am Mittwoch, 28. November 2018, 13:02:56 schrieb Andrey Jr. Melnikov: >>> In gmane.comp.file-systems.ext4 Theodore Y. Ts'o wrote: >>>> On Wed, Nov 28, 2018 at 03:16:33AM +0300, Andrey Jr. Melnikov wrote: >>>>> Corrupted inodes - always directory, not touched at least year or >>>>> more for writing. Something wrong when updating atime? >>>> >>>> We're not sure. The frustrating thing is that it's not reproducing >>>> for me. I run extensive regression tests, and I'm using 4.19 on my >>>> development laptop without notcing any problems. If I could reproduce >>>> it, I could debug it, but since I can't, I need to rely on those who >>>> are seeing the problem to help pinpoint the problem. >>> >>> My workstation hit this bug every time after boot. If you have an idea - I >>> may test it. >>> >>>> I'm trying to figure out common factors from those people who are >>>> reporting problems. >>>> >>>> (a) What distribution are you running (it appears that many people >>>> reporting problems are running Ubuntu, but this may be a sampling >>>> issue; lots of people run Ubuntu)? (For the record, I'm using Debian >>>> Testing.) >>> >>> Debian sid but self-build kernel from ubuntu mainline-ppa. >> >> You could try a vanilla 4.19.5 from https://www.kernel.org/ >> and compile it with your current .config. > > mainline-ppa use vanilla kernel. Patches only adds debian specific > build infrastructure. > >> If you still see the errors, at least the Ubuntu-kernel could be ruled out. >> >> In addition, if you still see the errors: >> >> - backup your .config in a *different* folder (so that you can later re-use >> it) >> - do a "make mrproper" (deletes the .config, see above) >> - do a "make defconfig" >> - and compile the kernel with that new .config > > defconfig is great - for abstract hardware in vacuum. > >> If you still have the problem after that, you may want to learn how to bisect. >> ;) > I'm already know how-to bisect. From kernel 2.0 era. Without git ;) > > This problem simply non-bisectable, when same kernel corrupt FS on my > workstation but normally working on other servers. > And now - FS corrupted again with disabled CONFIG_EXT4_ENCRYPTION. Great. OK, - and now we are looking forward to *your* ideas how to solve this. > >> So long! >> >> Rainer Fiebig >> >> >>> >>>> (b) What hardware are you using? (SSD? SATA-attached? >>>> NVMe-attached?) >>> >>> SATA HDD WDC WD20EZRZ-00Z5HB0. >>> >>>> (c) Are you using LVM? LUKS (e.g., disk encrypted)? >>> >>> No and no. Plain ext4. >>> -- cut -- >>> debugfs: features >>> Filesystem features: has_journal ext_attr resize_inode dir_index filetype >>> needs_recovery extent 64bit flex_bg sparse_super large_file huge_file >>> dir_nlink extra_isize metadata_csum >>> -- cut -- >>> >>>> (d) are you using discard? One theory is a recent discard change may >>>> be in play. How do you use discard? (mount option, fstrim, etc.) >>> >>> no >> >> -- >> The truth always turns out to be simpler than you thought. >> Richard Feynman