Hi Marcelo, On 2017/10/13 12:19, Marcelo "Marc" Ranolfi wrote: > Hello Chao, > > I was holding for a while and taking care of other things, but now > since I upgraded to kernel v4.13 (in fact I jumped to 4.13.3), I seem > to be no longer affected by this problem. > > My system has been running fine for over two weeks.
Good to hear about that. ;) > > > I appreciate your help in this matter. Should I experience it once > more, I'll ping you again. No problem, I will keep an eye on this issue. :) Thanks, > > Thanks! > > On Wed, Sep 13, 2017 at 11:22 PM, Chao Yu <yuch...@huawei.com> wrote: >> Hi Marcelo, >> >> Please add "f2fs: show flush list status in sysfs" first in your repo. >> >> And please try: >> 1. mount without flush_merge option and do the test to see whether it is >> caused >> by issue of the feature or lower block layer. >> >> For disabling the feature: >> mount -o noflush_merge >> >> 2. do test with last codes in dev-test branch. >> >> If the problem is still there, please dump info with: >> echo l > /proc/sysrq-trigger >> echo w > /proc/sysrq-trigger >> dmesg >> cat /sys/kernel/debug/f2fs/status >> >> Thanks, >> >> On 2017/9/1 12:54, Marcelo "Marc" Ranolfi wrote: >>> Hi, >>> >>> no problem at all. >>> >>> No, I never did ro remount before it happened. In fact its been a long >>> while since I used ro. >>> >>> >>> Regards >>> >>> On Thu, Aug 31, 2017 at 8:01 AM, Chao Yu <yuch...@huawei.com> wrote: >>>> Hi Marcelo, >>>> >>>> Sorry for the delay, :( >>>> >>>> I'd like ask, any possible that we did ro remount before the problem >>>> happened? >>>> >>>> Thanks, >>>> >>>> On 2017/8/24 1:26, Marcelo "Marc" Ranolfi wrote: >>>>> Chao, >>>>> >>>>> I just had the same problem, with kernel 4.12.8 with patch _f2fs: fix >>>>> out-of-order execution in f2fs_issue_flush_. >>>>> >>>>> On Tue, Aug 22, 2017 at 2:00 PM, Marcelo "Marc" Ranolfi >>>>> <marc.2...@gmail.com> wrote: >>>>>> Hi Chao >>>>>> >>>>>> I'm testing the kernel with your patch since last night. Will give new >>>>>> feedback a couple of days/weeks about how it goes. >>>>>> >>>>>> >>>>>> Thank you. >>>>>> >>>>>> >>>>>> >>>>>> On Mon, Aug 21, 2017 at 11:58 AM, Chao Yu <c...@kernel.org> wrote: >>>>>>> Hi Marcelo, >>>>>>> >>>>>>> Thanks for the report! >>>>>>> >>>>>>> Would you have a try with below patch? >>>>>>> >>>>>>> f2fs: fix out-of-order execution in f2fs_issue_flush >>>>>>> >>>>>>> Thanks, >>>>>>> >>>>>>> On 2017/8/16 15:24, Marcelo "Marc" Ranolfi wrote: >>>>>>>> Just wanted to let you all know that this is still an issue, even with >>>>>>>> the 4.12.7 kernel. >>>>>>>> >>>>>>>> The two most affected applications are qemu-system-x86_64 and totem. >>>>>>>> >>>>>>>> On Wed, Aug 9, 2017 at 3:04 AM, Marcelo "Marc" Ranolfi >>>>>>>> <marc.2...@gmail.com> wrote: >>>>>>>>> What follows is a bug report. >>>>>>>>> >>>>>>>>> I've been experiencing system lockups somewhat randomly. Sometimes an >>>>>>>>> application freezes, and when I go check its properties, it says the >>>>>>>>> process' Wait Channel is _f2fs_issue_flush_. >>>>>>>>> >>>>>>>>> Sometimes it's the qemu process (which I use via libvirt), other times >>>>>>>>> it's Firefox, or Gnome Videos (totem) and it happened to Nemo once as >>>>>>>>> well. I have screenshots if necessary. >>>>>>>>> >>>>>>>>> I've been tracking this with screenshots, and it's happenning every 4 >>>>>>>>> days - on average. >>>>>>>>> >>>>>>>>> When this happens, the process stays unresponsive no matter what. I >>>>>>>>> tried: >>>>>>>>> >>>>>>>>> - Restarting swap >>>>>>>>> - Restarting the Display Manager >>>>>>>>> - Graceful shutdown / reboot - takes forever, doesn't work >>>>>>>>> - Shutdown -k and unmounting filesystems from command line - root >>>>>>>>> can't be unmounted unless -l used, no solution >>>>>>>>> >>>>>>>>> The only working solution is to reset the machine via power button or >>>>>>>>> #reboot -f. >>>>>>>>> >>>>>>>>> I have: >>>>>>>>> >>>>>>>>> - Kingston SV300S37A120G - hardware is fine, I have other OS / >>>>>>>>> filesystems on it >>>>>>>>> - f2fs filesystem in a 40 GB partition, GPT >>>>>>>>> - kernel 4.12.4 with systemd 234.11 - typical up-to-date Arch Linux >>>>>>>>> setup. >>>>>>>>> >>>>>>>>> You gentlemen let me know if I provide more help. >>>>>>>>> >>>>>>>>> Best, >>>>>>>>> Marc >>>>>>>> >>>>>>>> ------------------------------------------------------------------------------ >>>>>>>> Check out the vibrant tech community on one of the world's most >>>>>>>> engaging tech sites, Slashdot.org! http://sdm.link/slashdot >>>>>>>> _______________________________________________ >>>>>>>> Linux-f2fs-devel mailing list >>>>>>>> Linux-f2fs-devel@lists.sourceforge.net >>>>>>>> https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel >>>>>>>> >>>>> >>>>> ------------------------------------------------------------------------------ >>>>> Check out the vibrant tech community on one of the world's most >>>>> engaging tech sites, Slashdot.org! http://sdm.link/slashdot >>>>> _______________________________________________ >>>>> Linux-f2fs-devel mailing list >>>>> Linux-f2fs-devel@lists.sourceforge.net >>>>> https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel >>>>> >>>>> >>>> >>> >>> . >>> >> ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot _______________________________________________ Linux-f2fs-devel mailing list Linux-f2fs-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel
