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[RESOLVED] No more ATH11k on Dell XPS 9500
xav
Status: Interested
Joined: 17 May 2021
Posts: 17
Location: Grenoble, France
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Hi,

I upgraded from 5.11.0-19 to 5.11.0-21.1 and now I don't have bluetooth / wifi anymore. The logs say:
:: Code ::

[   22.903089] ath11k_pci 0000:6d:00.0: WARNING: ath11k PCI support is experimental!
[   22.903243] ath11k_pci 0000:6d:00.0: BAR 0: assigned [mem 0xb4200000-0xb42fffff 64bit]
[   22.903298] ath11k_pci 0000:6d:00.0: enabling device (0000 -> 0002)

... and that's all. They don't even attempt to load the firmware.

Any hint ?[/code]
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damentz
Status: Assistant
Joined: 09 Sep 2008
Posts: 906
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It looks like there's an ATH11K fix in the stable queue plus some more mac80211 fixes. I just pushed out a new build, an updated release that may fix your issue should be available in the next 1-2 hours (5.11-36 / 5.11.0-21.2).
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xav
Status: Interested
Joined: 17 May 2021
Posts: 17
Location: Grenoble, France
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Thanks but no, same behavior and same message in the logs ...
(And I took advantage of the reboot to test under Windows, everything still works well here)
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xav
Status: Interested
Joined: 17 May 2021
Posts: 17
Location: Grenoble, France
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Apparently the bug is here: bugzilla.kernel.org/show_bug.cgi?id=212187
I'll follow it.
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xav
Status: Interested
Joined: 17 May 2021
Posts: 17
Location: Grenoble, France
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Now there's something fishy: when booting with liquorix kernel, the fans run loud (even if powertop doesn't show anything running), and after a few minutes the USB part of the thunderbolt link with my docking station is lost. Sometimes it comes back, and sometimes the laptop freezes completey.
Booting back intop the stock debian kernel fixes it. Would it be possible to get back to a previous version of liquorix (say 18 instead of current 21) ? I can't find them in the repo.
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damentz
Status: Assistant
Joined: 09 Sep 2008
Posts: 906
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Yup, it looks like Greg burned the 5.11 kernel by merging too many untested patches. This is my signal to move on to 5.12 (I'm already very late).

A 5.12 kernel is being built currently, can you try it out once it's available? Most likely it'll resolve all your issues since that's where all the testing is happening on rolling release distributions.
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xav
Status: Interested
Joined: 17 May 2021
Posts: 17
Location: Grenoble, France
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Nope, still no wireless, and the fans are loud again.
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damentz
Status: Assistant
Joined: 09 Sep 2008
Posts: 906
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It appears you may be affected by this bug: bugs.archlinux.org/task/70849?project=1&string=linux. Reverting 29b9829718c5e9bd68fc1c652f5e0ba9b9a64fed may fix it. I'll push out release once I get some more time with this change in.

As for your fans being loud, that's controlled by your fan controller on your laptop. Most likely your system is just doing more work, which is good or bad depending on your use-case.
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xav
Status: Interested
Joined: 17 May 2021
Posts: 17
Location: Grenoble, France
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No, the fan are symptomatic of a problem. They start right after booting and continue while the laptop is idle. It didn't happen with your precedent kernels AFAIR, and when I boot into debian's 5.10 it doesn't happen either (the fan stay off even with light compilation work, they only start when I do heavy parallel stuff). There's definitely something wrong with kernels >5.11.19 ...
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xav
Status: Interested
Joined: 17 May 2021
Posts: 17
Location: Grenoble, France
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Anyway I'll try your new kernel with this revert as soon as I can. Who knows, the problems may be linked ?
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