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Tasklist

FS#54214 - [alsa-lib] Upgrade to 1.1.4 broke dmix, at least when using both 32-bit and 64-bit clients

Attached to Project: Arch Linux
Opened by Mohammad AlSaleh (MoSal) - Sunday, 28 May 2017, 18:10 GMT
Last edited by Jan de Groot (JGC) - Sunday, 04 June 2017, 23:00 GMT
Task Type Bug Report
Category Upstream Bugs
Status Closed
Assigned To Tobias Powalowski (tpowa)
Anatol Pomozov (anatolik)
Architecture All
Severity Low
Priority Normal
Reported Version
Due in Version Undecided
Due Date Undecided
Percent Complete 100%
Votes 0
Private No

Details

I expected this issue to be already reported. Apparently, it wasn't. So here it is.

Working: alsa-lib 1.1.3
Broken: alsa-lib 1.1.4

Using alsa with dmix fails with the error:

ALSA lib pcm_dmix.c:1077:(snd_pcm_dmix_open) unable to create IPC shm instance

Upstream discussion: http://mailman.alsa-project.org/pipermail/alsa-devel/2017-May/121055.html

Note that I'm seeing the same error although I'm not using 32b/64b clients(I think). But my configuration is rather complex.
This task depends upon

Closed by  Jan de Groot (JGC)
Sunday, 04 June 2017, 23:00 GMT
Reason for closing:  Fixed
Comment by Paul Bredbury (brebs) - Monday, 29 May 2017, 19:39 GMT
Have you tried:
http://git.alsa-project.org/?p=alsa-lib.git;a=commit;h=eae572ef5e3acd16a75815cf5e1799882bf9c943
Comment by Mohammad AlSaleh (MoSal) - Tuesday, 30 May 2017, 15:57 GMT
@brebs

Yes. And it obviously fixes the bug.

I just wanted to make Arch packagers aware of the issue.

A PKGBUILD with the fix attached if anyone is interested.
   PKGBUILD (0.9 KiB)
Comment by Anatol Pomozov (anatolik) - Thursday, 01 June 2017, 03:13 GMT
Thank you Mohammad for reporting this issue. I just pushed alsa-lib-1.1.4-2 with the upstream patch you pointed to [testing]. Please update alsa-lib and let us know if there are any remaining issues.
Comment by Mohammad AlSaleh (MoSal) - Saturday, 03 June 2017, 17:37 GMT
@anatolik

Thank you. This issue can be closed now that 1.1.4.1 is out.

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