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... {hint} thanks, greg k-h