fedora_requires_release_note granted: [Bug 496320] kernel: ALSA sound/core/pcm_lib.c:166: BUG: stream = 0, pos = 0x2000, buffer size = 0x2000, period size = 0x2000

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Product: Fedora
Version: rawhide
Component: kernel

John Poelstra <poelstra@xxxxxxxxxx> has granted  fedora_requires_release_note:
Bug 496320: kernel: ALSA sound/core/pcm_lib.c:166: BUG: stream = 0, pos =
0x2000, buffer size = 0x2000, period size = 0x2000
https://bugzilla.redhat.com/show_bug.cgi?id=496320

------- Additional Comments from John Poelstra <poelstra@xxxxxxxxxx>
Trying out pavucontrol...

May 18 08:20:21 yardsale kernel: ALSA sound/core/pcm_lib.c:166: BUG: stream =
0, pos = 0x2000, buffer size = 0x2000, period size = 0x2000
May 18 08:20:21 yardsale kernel: ALSA sound/core/pcm_lib.c:166: BUG: stream =
0, pos = 0x2000, buffer size = 0x2000, period size = 0x2000
May 18 08:20:21 yardsale kernel: ALSA sound/core/pcm_lib.c:166: BUG: stream =
0, pos = 0x2000, buffer size = 0x2000, period size = 0x2000
May 18 08:20:22 yardsale kernel: ALSA sound/core/pcm_lib.c:166: BUG: stream =
0, pos = 0x2000, buffer size = 0x2000, period size = 0x2000
May 18 08:20:22 yardsale kernel: ALSA sound/core/pcm_lib.c:166: BUG: stream =
0, pos = 0x2000, buffer size = 0x2000, period size = 0x2000
May 18 08:20:22 yardsale kernel: ALSA sound/core/pcm_lib.c:166: BUG: stream =
0, pos = 0x2000, buffer size = 0x2000, period size = 0x2000
May 18 08:20:22 yardsale kernel: ALSA sound/core/pcm_lib.c:166: BUG: stream =
0, pos = 0x2000, buffer size = 0x2000, period size = 0x2000
May 18 08:20:22 yardsale kernel: ALSA sound/core/pcm_lib.c:166: BUG: stream =
0, pos = 0x2000, buffer size = 0x2000, period size = 0x2000
May 18 08:20:23 yardsale pulseaudio[2202]: module-rescue-streams.c: Failed to
move source output 0 "PulseAudio Volume Control" to
alsa_input.pci_1102_2_sound_card_0.
May 18 08:20:23 yardsale pulseaudio[2202]: reserve-wrap.c: Failed to acquire
reservation lock on device 'Audio0': Input/output error

After a reboot... sound does work and log spew stops.

Is this a kernel bug or a pulseaudio bug?

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