Re: bfq/ext4 disk IO hangs forever on resume

2017-07-25 Thread Jens Axboe
On 07/25/2017 02:51 AM, Jan Kara wrote: > Hello, > > On Sun 25-06-17 23:07:56, Alex Xu wrote: >> I get hangs when resuming when using bfq-mq with ext4 on 4.12-rc6+ >> (currently a4fd8b3accf43d407472e34403d4b0a4df5c0e71). >> >> Steps to reproduce: >> 1. boot computer >> 2. systemctl suspend >> 3. w

Re: bfq/ext4 disk IO hangs forever on resume

2017-07-25 Thread Jan Kara
Hello, On Sun 25-06-17 23:07:56, Alex Xu wrote: > I get hangs when resuming when using bfq-mq with ext4 on 4.12-rc6+ > (currently a4fd8b3accf43d407472e34403d4b0a4df5c0e71). > > Steps to reproduce: > 1. boot computer > 2. systemctl suspend > 3. wait few seconds > 4. press power button > 5. type "l