On Fri, Mar 10, 2023 at 02:53:19PM -0800, Eric Biggers wrote: > On Fri, Mar 10, 2023 at 04:08:21PM -0500, Genes Lists wrote: > > On 3/10/23 15:23, Jens Axboe wrote: > > > On 3/10/23 1:16 PM, Eric Biggers wrote: > > ... > > > But I would revert: > > > > > > bfe46d2efe46c5c952f982e2ca94fe2ec5e58e2a > > > 57a425badc05c2e87e9f25713e5c3c0298e4202c > > > > > > in that order from 6.2.3 and see if that helps. Adding Yu. > > > > > Confirm the 2 Reverts fixed in my tests as well (nvme + sata drives). > > Nasty crash - some needed to be power cycled as they hung on shutdown. > > > > Thank you! > > > > gene > > > > > > Great, thanks. BTW, 6.1 is also affected. A simple reproducer is to run: > > dmsetup create dev --table "0 128 zero" > dmsetup remove dev > > The following kconfigs are needed for the bug to be hit: > > CONFIG_BLK_CGROUP=y > CONFIG_BLK_DEV_THROTTLING=y > CONFIG_BLK_DEV_THROTTLING_LOW=y > > Sasha or Greg, can you please revert the indicated commits from 6.1 and 6.2? Yes, will go do that right now, thanks for debugging this so quickly! greg k-h