Bug 1834917
Summary: | sof-audio-pci error: ipc timed out | ||||||
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Product: | [Fedora] Fedora | Reporter: | Peter F. Patel-Schneider <pfpschneider> | ||||
Component: | kernel | Assignee: | Kernel Maintainer List <kernel-maint> | ||||
Status: | CLOSED CURRENTRELEASE | QA Contact: | Fedora Extras Quality Assurance <extras-qa> | ||||
Severity: | unspecified | Docs Contact: | |||||
Priority: | unspecified | ||||||
Version: | 32 | CC: | airlied, bskeggs, hdegoede, ichavero, itamar, jarodwilson, jeremy, jglisse, john.j5live, jonathan, josef, kernel-maint, linville, masami256, mchehab, mjg59, steved, y9t7sypezp | ||||
Target Milestone: | --- | ||||||
Target Release: | --- | ||||||
Hardware: | Unspecified | ||||||
OS: | Unspecified | ||||||
Whiteboard: | |||||||
Fixed In Version: | Doc Type: | --- | |||||
Doc Text: | Story Points: | --- | |||||
Clone Of: | Environment: | ||||||
Last Closed: | 2021-03-17 15:52:12 UTC | Type: | Bug | ||||
Regression: | --- | Mount Type: | --- | ||||
Documentation: | --- | CRM: | |||||
Verified Versions: | Category: | --- | |||||
oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |||||
Cloudforms Team: | --- | Target Upstream Version: | |||||
Embargoed: | |||||||
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Description
Peter F. Patel-Schneider
2020-05-12 16:24:34 UTC
Thanks for your report. If this problem is affecting the usability of your system, a workaround would be to blacklist an sof module, possibly: module_blacklist=snd_sof_pci Also, could you put a link to your upstream bug report in the Links section at the top of the page: Bug_205755 - limited sound on Lenovo Yoga C940 https://bugzilla.kernel.org/show_bug.cgi?id=205755 Using sof is required for the digital microphone to work on systems like this so blacklisting it isn't a good solution. The problem appears to be related to suspending and removing (or maybe to adding and removing a USB sound device) and only occurs occasionally so rebooting is a better solution than blacklisting. This does appear to be somewhat different from my original report of sound problems on this laptop but I did add the link. Samuel, in Bug 1817368, Comment 28, uses a workaround that leaves audio working on his system: $ cat /etc/modprobe.d/snd_intel.conf options snd-intel-dspcfg dsp_driver=1 Bug 1817368 - Random hangs with sof-audio-pci (In reply to Peter F. Patel-Schneider from comment #2) > Using sof is required for the digital microphone to work on systems like this so blacklisting it isn't a good solution. That's why I qualified my suggestion with this phrase: "If this problem is affecting the usability of your system". If it would help make that qualification more clear, amend it to say: "_otherwise_ affecting". BTW, a "perfect" workaround is called a "fix". As I more or less expected $ cat /etc/modprobe.d/snd_intel.conf options snd-intel-dspcfg dsp_driver=1 turns off sof, which means that the laptop's microphone doesn't work. As having sound sometimes not work is better than no microphone at all I'm going to go back to sof. I'll try to keep a close watch and see if I can better figure out what is triggering the problem. This appears to be working in Fedora 33. |