On Mon, 08 Jan 2018 15:58:47 +0100, Lars-Peter Clausen wrote: > > On 01/08/2018 03:25 PM, Takashi Iwai wrote: > > Hi, > > > > this contains two fixes for PCM OSS bugs that have been triggered by > > syzbot. These are simple and straightforward, and I'm going to queue > > for 4.15-rc8. > > I tried to reproduce the issue as well with the reproducer generated by > syzbot. But what syzbot reported was that the CPU didn't sleep for 140 > seconds. But with a long write() we'll go to sleep in between frames. So > when I tried the lockup detector never triggered. > > Were you able to reproduce the same CPU lockup as syzbot? Yes, I could reproduce RCU stalls with two reproducers (001a113ece5c2b600d05620b097a@xxxxxxxxxx and 001a1147e1988b160a05620552eb@xxxxxxxxxx) The patches seem curing them, so far, in combination with other patches in for-linus branch of sound.git tree. thanks, Takashi _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
