[pulseaudio-tickets] [Bug 105921] Focusrite Saffire 26/IO Boot/Reset loop

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=105921

GitLab Migration User  changed:

   What|Removed |Added

 Resolution|--- |MOVED
 Status|NEW |RESOLVED

--- Comment #6 from GitLab Migration User  ---
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[pulseaudio-tickets] [Bug 105921] Focusrite Saffire 26/IO Boot/Reset loop

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=105921

--- Comment #5 from Joel Wampler  ---
I am also seeing this exact problem on my Scarlett 2i2 on Fedora 28 with kernel
4.17.2.. I get output for 10 to 30 seconds or so and then the I get a USB
reset. Audio will start playing again once the reset is complete, but the cycle
repeats.

However, for some reason if I have pavucontrol running I don't see any resets.
It doesn't have to be in the foreground, just running minimized will prevent
any playback issues from occurring. But as soon as I close the Volume Control
app a reset will occur shortly after.

Agree that it sounds like a kernel issue but thought I'd add the info about
pavucontrol in case it helps.

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[pulseaudio-tickets] [Bug 105921] Focusrite Saffire 26/IO Boot/Reset loop

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=105921

--- Comment #4 from Tanu Kaskinen  ---
So this "constant boot/reset loop" isn't something that happens non-stop, but
every now and then (like twice a minute or so)?

In any case, this seems like a kernel problem. Here are some instructions for
reporting alsa bugs: http://alsa-project.org/main/index.php/Bug_Tracking

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[pulseaudio-tickets] [Bug 105921] Focusrite Saffire 26/IO Boot/Reset loop

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=105921

--- Comment #3 from Tanu Kaskinen  ---
There was an error from the kernel driver that caused the card to be unloaded
from pulseaudio:

( 105.934|  15.016) D: [alsa-source-BeBoB] alsa-util.c: Got POLLERR from ALSA
( 105.934|   0.000) W: [alsa-source-BeBoB] alsa-util.c: Got POLLNVAL from ALSA
( 105.934|   0.000) D: [alsa-source-BeBoB] alsa-util.c: PCM state is RUNNING
( 105.934|   0.000) I: [alsa-source-BeBoB] (alsa-lib)pcm_hw.c:
SNDRV_PCM_IOCTL_DROP failed (-19)
( 105.934|   0.000) I: [alsa-source-BeBoB] (alsa-lib)pcm_hw.c:
SNDRV_PCM_IOCTL_PREPARE failed (-19)
( 105.934|   0.000) W: [alsa-source-BeBoB] alsa-util.c: Could not recover from
POLLERR|POLLNVAL|POLLHUP with snd_pcm_prepare(): No such device
( 105.934|   0.000) I: [pulseaudio] module.c: Unloading "module-alsa-card"
(index: #24).


What happens here? After unloading the card, 11 seconds pass and the card
becomes available again. Did you unplug the card and then plug it back in?
Based on your problem description, and the fact that this happens several
times, I guess you didn't touch the sound card, it just periodically disappears
and then comes back.

( 105.937|   0.000) I: [pulseaudio] module.c: Unloaded "module-alsa-card"
(index: #24).
( 105.937|   0.000) D: [pulseaudio] module-udev-detect.c: /dev/snd/controlC2 is
accessible: no
( 105.939|   0.002) I: [pulseaudio] module-udev-detect.c: Card
/devices/pci:00/:00:01.1/:02:00.0/:03:00.0/fw2/fw2.0/sound/card2
removed.
( 117.137|  11.198) D: [pulseaudio] module-udev-detect.c: /dev/snd/controlC2 is
accessible: yes
( 117.138|   0.000) D: [pulseaudio] module-udev-detect.c:
/devices/pci:00/:00:01.1/:02:00.0/:03:00.0/fw2/fw2.0/sound/card2
is busy: no
( 117.138|   0.000) D: [pulseaudio] module-udev-detect.c: Loading
module-alsa-card with arguments 'device_id="2"


34 seconds pass, and then the card is removed:

[log excerpt removed, because I don't think it is very informative after all]

5 seconds later the card is back:

[log removed]

21 seconds later the card goes away again:

[log removed]

...and 5 seconds later the card is back again:

[log removed]

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[pulseaudio-tickets] [Bug 105921] Focusrite Saffire 26/IO Boot/Reset loop

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=105921

--- Comment #2 from Ramon Fried  ---
Env:
Ubuntu 17.10

Kernel:
Linux stdcall 4.13.0-38-generic #43-Ubuntu SMP Wed Mar 14 15:20:44 UTC 2018
x86_64 x86_64 x86_64 GNU/Linux

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[pulseaudio-tickets] [Bug 105921] Focusrite Saffire 26/IO Boot/Reset loop

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=105921

Ramon Fried  changed:

   What|Removed |Added

 OS|All |Linux (All)
   Hardware|Other   |x86-64 (AMD64)

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[pulseaudio-tickets] [Bug 105921] Focusrite Saffire 26/IO Boot/Reset loop

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=105921

--- Comment #1 from Ramon Fried  ---
Created attachment 138649
  --> https://bugs.freedesktop.org/attachment.cgi?id=138649=edit
Pulse log

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