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[BUG] IPC timeout on unbind in signal-start-stop test #10053
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IPC timeoutIPC timeout observedIPC timeout observedP2Critical bugs or normal featuresCritical bugs or normal featuresPTLIntel Panther Lake platformIntel Panther Lake platformbugSomething isn't working as expectedSomething isn't working as expected
Description
Describe the bug
Starting with 11th June 2025 daily test on Intel PTL, we see failures in check-signal-stop-start-playback-50.sh test.
@ujfalusi did a test with today's SOF kernel and yesterday's FW and issue is not seen, so it would seem this is a regression caused by Zephyr baseline update in #10046
To Reproduce
check-signal-stop-start-playback-50.sh
Reproduction Rate
High
Expected behavior
No IPC timeout
Impact
Loss of audio functionality
Environment
- Branch name and commit hash of the 2 repositories: sof (firmware/topology) and linux (kernel driver).
- Kernel: 80c081426c0c
- SOF: 97f869cda8cb
- Name of the topology file
- Topology: multiple, HDA, nocodec, SDW
- Name of the platform(s) on which the bug is observed.
- Platform: Intel ptl
Screenshots or console output
[ 2692.795135] kernel: snd_sof:sof_widget_free_unlocked: sof-audio-pci-intel-ptl 0000:00:1f.3: widget host-copier.31.playback freed
[ 2692.795147] kernel: snd_sof:sof_ipc4_route_free: sof-audio-pci-intel-ptl 0000:00:1f.3: unbind modules gain.15.1:0 -> mixin.15.1:0
[ 2692.795157] kernel: snd_sof:sof_widget_free_unlocked: sof-audio-pci-intel-ptl 0000:00:1f.3: widget gain.15.1 freed
[ 2692.795168] kernel: snd_sof:sof_ipc4_route_free: sof-audio-pci-intel-ptl 0000:00:1f.3: unbind modules mixin.15.1:0 -> mixout.1.1:0
[ 2692.795180] kernel: snd_sof:sof_ipc4_log_header: sof-audio-pci-intel-ptl 0000:00:1f.3: ipc tx : 0x4600100a|0x100b: MOD_UNBIND
[ 2693.297990] kernel: sof-audio-pci-intel-ptl 0000:00:1f.3: ipc timed out for 0x4600100a|0x100b
[ 2693.298017] kernel: sof-audio-pci-intel-ptl 0000:00:1f.3: IPC timeout
[ 2693.298059] kernel: sof-audio-pci-intel-ptl 0000:00:1f.3: failed to unbind modules mixin.15.1:0 -> mixout.1.1:0
[ 2693.298091] kernel: snd_sof:sof_ipc4_log_header: sof-audio-pci-intel-ptl 0000:00:1f.3: ipc tx : 0x12000000|0x0: GLB_DELETE_PIPELINE
[ 2693.801982] kernel: sof-audio-pci-intel-ptl 0000:00:1f.3: ipc timed out for 0x12000000|0x0
[ 2693.802010] kernel: sof-audio-pci-intel-ptl 0000:00:1f.3: IPC timeout
[ 2693.802054] kernel: sof-audio-pci-intel-ptl 0000:00:1f.3: failed to free pipeline widget pipeline.15
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Labels
IPC timeoutIPC timeout observedIPC timeout observedP2Critical bugs or normal featuresCritical bugs or normal featuresPTLIntel Panther Lake platformIntel Panther Lake platformbugSomething isn't working as expectedSomething isn't working as expected
Activity
kv2019i commentedon Jun 11, 2025
FYI @tmleman @ujfalusi @lgirdwood
lgirdwood commentedon Jun 11, 2025
@serhiy-katsyuba-intel any PM flows around stream start/stop with your Zephyr update ?
serhiy-katsyuba-intel commentedon Jun 11, 2025
I did not make any recent changes to Zephyr or update Zephyr rev in SOF. #10046 is made by @tmleman . Tomek may know more if there were some PM related changes in Zephyr recently.
kv2019i commentedon Jun 12, 2025
@lyakh and @ujfalusi looking at this. We can reassign once bisect is complete.
Currently bug seems to have appeared between:
kv2019i commentedon Jun 17, 2025
@lyakh made a fix #10055 that is merged and seems to help. Let's monitor daily reports for a few days and then close.
ekurdybx commentedon Aug 4, 2025
@lyakh @ujfalusi
Issue seems to resurface again on test multiple-pipeline-all-50:
Kernel commit: 3e755313f509
SOF commit: 117e460b47a6
Platform: PTL
lyakh commentedon Aug 5, 2025
@ekurdybx where does this log excerpt come from? Is this from a CI run or from your local testing?
ekurdybx commentedon Aug 5, 2025
@lyakh The logs came from CI fail, however after disscussing this fail, we decided to create inner jira ticket for this issue.