On 8/30/18 8:58 AM, Mikulas Patocka wrote: > I report this deadlock in writeback throttling. > > The deadlock happened in guest virtual machine with Debian kernel 4.17.17 > (4.17.0-3-amd64). The virtual machine had most of its memory swapped out, > when I tried to shut it down, I got this deadlock. There was no io in > flight. Not very helpful for your case, but this should be fixed in Linus's current tree. I've got a few pending fixes still, but they will be going upstream for 4.19-rc2. -- Jens Axboe
