On 10/21/24 21:07, Niklas Cassel wrote: > Hello Yi Lai, > > On Mon, Oct 21, 2024 at 06:58:59PM +0800, Lai, Yi wrote: >> Hi Niklas Cassel, >> >> Greetings! >> >> I used Syzkaller and found that there is INFO: task hung in blk_mq_get_tag in v6.12-rc3 >> >> After bisection and the first bad commit is: >> " >> e5dd410acb34 ata: libata: Clear DID_TIME_OUT for ATA PT commands with sense data >> " > > It might be that your bisection results are accurate. > > However, after looking at the stacktraces, I find it way more likely that > bisection has landed on the wrong commit. > > See this series that was just queued (for 6.13) a few days ago that solves a > similar starvation: > https://lore.kernel.org/linux-block/20241014092934.53630-1-songmuchun@xxxxxxxxxxxxx/ > https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git/log/?h=for-6.13/block > > You could perhaps run with v6.14-rc4 (which should be able to trigger the bug) > and then try v6.14-rc4 + that series applied, to see if you can still trigger > the bug? s/6.14/6.13 in this paragraph :) -- Damien Le Moal Western Digital Research
