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FS#58327 - [pulseaudio] plugging in E-MU 0202 USB freezes USB bus if pulseaudio is running

Attached to Project: Arch Linux
Opened by Dmitrii Sutiagin (f3flight) - Monday, 23 April 2018, 23:55 GMT
Last edited by Doug Newgard (Scimmia) - Friday, 27 April 2018, 14:59 GMT
Task Type Bug Report
Category Packages: Extra
Status Assigned
Assigned To Jan Alexander Steffens (heftig)
Architecture All
Severity High
Priority Normal
Reported Version
Due in Version Undecided
Due Date Undecided
Percent Complete 0%
Votes 0
Private No



Most of the details captured here -
Basically, I have a usb audio interface which works fine on Ubuntu but gets freezes my system on Arch Linux.

Additional info:
* package version(s) - latest (last updated a week ago).
* config is default, log extract can be found in the forum thread

Steps to reproduce:
1. plug in e-mu 0202 USB audio interface
2. observe that pulseaudio hangs, and after a bit - USB bus hangs, until the interface is unplugged.

Interesting is that if I stop all instance of pulseaudio (with "chmod -x" and killall), then plug the card in, then "chmod +x" and "pulseaudio -D" - everything works.
Again, no such issue on Ubuntu (but I have not tried on the same machine yet... Gotta try Ubuntu livecd)
This task depends upon

Comment by Dmitrii Sutiagin (f3flight) - Wednesday, 25 April 2018, 20:32 GMT
I've found a workaround - "sudo killall pulseaudio" as soon as I plug in the interface. Pulseaudio gets restarted automatically, and all works fine.
I think we can lower the severity to normal.
Comment by Dmitrii Sutiagin (f3flight) - Friday, 27 April 2018, 18:16 GMT
Sorry, did not intend to add a comment. No news so far, workaround sort of works (sometimes have to try several times - power the card on and quickly "sudo killall pulseaudio"), nothing new to report.
Comment by Dmitrii Sutiagin (f3flight) - Wednesday, 02 May 2018, 16:45 GMT
Please contact me if you need a reproduction example, I can share my screen, etc
Comment by Dmitrii Sutiagin (f3flight) - Thursday, 17 May 2018, 21:00 GMT Comment by Dmitrii Sutiagin (f3flight) - Monday, 11 June 2018, 21:39 GMT