On Wed, 03 Feb 2016 14:21:05 +0100, Dmitry Vyukov wrote: > > On Wed, Feb 3, 2016 at 8:15 AM, Takashi Iwai <tiwai@xxxxxxx> wrote: > > On Tue, 02 Feb 2016 22:59:49 +0100, > > Dmitry Vyukov wrote: > >> > >> On Mon, Feb 1, 2016 at 12:55 PM, Takashi Iwai <tiwai@xxxxxxx> wrote: > >> > On Mon, 01 Feb 2016 12:31:20 +0100, > >> > Dmitry Vyukov wrote: > >> >> > >> >> Hello, > >> >> > >> >> The following program triggers a splash of WARNINGs in rawmidi_transmit_ack. > >> >> Takashi, I am on commit 36f90b0a2ddd60823fe193a85e60ff1906c2a9b3 + a > >> >> bunch of your recent fixes: > >> >> https://gist.githubusercontent.com/dvyukov/40640128a433ad16a56a/raw/ab3a08637ce3654b969b778c5700fe4a80f14456/gistfile1.txt > >> > > >> > Ouch, this is another spot with an open race between > >> > snd_rawmidi_transmit_peek() and snd_rawmidi_transmit_ack(). > >> > > >> > Could you drop the previous fix and apply the one below instead? > >> > > >> > FWIW, I pushed sound.git tree topic/core-fixes branch containing all > >> > pending fixes. This should be pullable cleanly onto 4.5-rc1/rc2. > >> > git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound.git topic/core-fixes > >> > > >> > > >> > Thanks! > >> > > >> > Takashi > >> > >> > >> Now this program hangs the machine with: > > > > Mea culpa, the spinlock was applied at the wrong place. > > Below is the revised patch. I updated topic/core-fixes branch as > > well. > > > re-applied > the reproducer does not trigger any issues now Good, this was queued, too. Thanks! Takashi _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel