Could you queue "block: disable runtime-pm for blk-mq" too please? It is also related to suspend-resume freezes that were observed by multiple users. Thanks. On úterý 8. srpna 2017 18:33:29 CEST Jens Axboe wrote: > On 08/08/2017 10:22 AM, Greg KH wrote: > > On Sun, Jul 30, 2017 at 03:50:15PM +0200, Oleksandr Natalenko wrote: > >> Hello Mike et al. > >> > >> On neděle 30. července 2017 7:12:31 CEST Mike Galbraith wrote: > >>> FWIW, first thing I'd do is update that 4.12.0 to 4.12.4, and see if > >>> stable fixed it. > >> > >> My build already includes v4.12.4. > >> > >>> If not, I'd find these two commits irresistible. > >>> > >>> 5f042e7cbd9eb blk-mq: Include all present CPUs in the default queue > >>> mapping > >>> 4b855ad37194f blk-mq: Create hctx for each present CPU > >> > >> I've applied these 2 commits, and cannot reproduce the issue anymore. > >> Looks > >> like a perfect hit, thanks! > >> > >>> 'course applying random upstream bits does come with some risk, trying > >>> a kernel already containing them has less "entertainment" potential. > >> > >> Should you consider applying them to v4.12.x stable series? CC'ing Greg > >> just in case. > > > > I can queue these up if I get an ack from the developers/maintainers > > that it is ok to do so... > > You can add those two commits to stable.
