> Il giorno 29 mar 2019, alle ore 15:10, Jens Axboe <axboe@xxxxxxxxx> ha scritto: > > On 3/29/19 7:02 AM, Dmitrii Tcvetkov wrote: >> Hi, >> >> I got kernel panic since v5.1-rc1 when working with files on block >> device with BFQ scheduler assigned. I didn't find trivial way to >> reproduce the panic but "git checkout origin/linux-5.0.y" >> on linux-stable-rc[1] git repo on btrfs filesystem reproduces the >> problem 100% of the time on my bare-metal machine and in a VM. >> >> Bisect led me to commit 9dee8b3b057e1 (block, bfq: fix queue removal >> from weights tree). After reverting this commit on top of current >> mainline master(9936328b41ce) I can't reproduce the problem. >> >> dmesg with the panic and bisect log attached. >> >> [1] https://kernel.googlesource.com/pub/scm/linux/kernel/git/stable/linux-stable-rc.git > > Paolo, can you please take a look at this? > > Yep. That you very much Dmitrii for also bisecting. I feel like this failure may be caused by the typo fixed by this patch: https://patchwork.kernel.org/patch/10877113/ Could you please give this fix a try? Thanks, Paolo > -- > Jens Axboe
