пн, 3 дек. 2018 г. в 01:11, Rainer Fiebig <jrf@xxxxxxxxxxx>: > > Am 02.12.18 um 21:19 schrieb Andrey Melnikov: > > чт, 29 нояб. 2018 г. в 01:08, Rainer Fiebig <jrf@xxxxxxxxxxx>: > >> > >> Am 28.11.18 um 22:13 schrieb Andrey Melnikov: > >>> ср, 28 нояб. 2018 г. в 18:55, Rainer Fiebig <jrf@xxxxxxxxxxx>: > >>>> > >>>> Am Mittwoch, 28. November 2018, 13:02:56 schrieb Andrey Jr. Melnikov: > >>>>> In gmane.comp.file-systems.ext4 Theodore Y. Ts'o <tytso@xxxxxxx> 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. > > > > After four days playing games around git bisect - real winner is > > debian gcc-8.2.0-9. Upgrade it to 8.2.0-10 or use 7.3.0-30 version for > > same kernel + config - does not exhibit ext4 corruption. > > > > I think I hit this https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87859 > > with 8.2.0-9 version. > > > Good that it works for you. But others used gcc 5.4.0 or 6.3.0 and were > hit anyway: https://bugzilla.kernel.org/show_bug.cgi?id=201685#c165 Depends on workload pattern. 4.19.5 built with 8.2.0-10 and 7.3.0-30 - crashed after 4 hours of usage (previous build crash in 5 min). So my assumption about broken gcc is wrong.