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Perhaps new commits in the upcoming kernels could fix the regression but I was unable to identify that
I'd immediately revert https://github.com/gregkh/linux/commit/ … c2ccd5ff30 to see whether this is the case here - then pray that the bisection doesn't end in the commit conflict resolution noise…
In doubt at least file a bug at https://bugzilla.kernel.org/buglist.cgi … ct=Drivers
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On archlinux.de we have a user with IMHO similar problems
Last working kernel is 6.15.9 (even with current intel-ucode and linux-firmware-intel)
Also linux-lts
I advised the user to post here in Other languages (speak german), so that probably someone could help him with bisecting between 6.15.9 and 6.16.x. Current state is: waiting for user <g>
Link to thread(is in german language):
https://forum.archlinux.de/d/35582-iwlw … r-detected
//Edit: I/We have found this bug issue the most possible, and current state seams to be fixed in 6.17 as far as i see.
https://bugzilla.kernel.org/show_bug.cgi?id=220466
Last edited by GerBra (2025-08-28 09:23:47)
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There's meanwhile also https://forum.artixlinux.org/index.php/ … 51710.html and linked from there (same FW as mcloaked, the archlinux.de has a different one but I think the FW crash just triggers the reset what then causes the freeze), they also found https://lkml.org/lkml/2025/7/23/1544 again
Edit: additional crash, apparently on manjaro, https://linux-hardware.org/?probe=86cc4 … og=dmesg.1
This is on 6.14.0-1-MANJARO and in March…
Last edited by seth (2025-09-03 19:29:00)
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While looking through @seth's links I found this update describing a possible workaround:
https://bugzilla.suse.com/show_bug.cgi?id=1246924#c31
Does this work?
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iwlmvm.power_scheme=1 iwlwifi.swcrypto=0 iwlwifi.11n_disable=1 iwlwifi.power_save=0 iwlwifi.uapsd_disable=1
If yes it would be good to narrow down on the critical parameter (apparently the FW still crashes and the device still resets, just the likely stack corruption and kernel panic stops)
iwlwifi.swcrypto=0 is default anyway, so that's unlikely to be relevant, everything else but 11n_disable deals w/ power management
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https://bbs.archlinux.org/viewtopic.php … 3#p2260543 suggests that the corruption is outfall of https://bbs.archlinux.org/viewtopic.php?id=307847 what means this is hopefully fixed w/ 6.16.5
Can anyone confirm or reject that?
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Can anyone confirm or reject that?
In case of our problem in archlinux.de, the user mentioned that this is not solved for him. There is a dmesg output (seems no more trap with 6.16.5, but network breaks if he use it with browser).
https://forum.archlinux.de/d/35582-iwlw … etected/13
If i ask he could provide a full journal.
//Edit: here is a link to the full journal until hard reset
http://0x0.st/Kqp0.txt
Last edited by GerBra (2025-09-08 05:43:48)
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It's not gone, https://bbs.archlinux.org/viewtopic.php … 3#p2260693 (and the provided journal still follows the same pattern)
See whether this version still works: https://gitlab.archlinux.org/archlinux/ … ote_314973 and esp. whether https://gitlab.archlinux.org/archlinux/ … ote_314939 is then broken
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whether this version
User could yet not test both versions, but
https://gitlab.archlinux.org/archlinux/ … ote_314973
doesn't work for him. Same behavior: seems to link,get ip, but any traffic later (firmware reset) freeze the laptop. This time with an absolute kernel panic (blinking led). User has dmesg/journal saved from this boot, he could provide them if needed.
Failed:
$ uname -a
Linux t420s 6.15.0-rc2-1-mainline-00536-g871197bf7bcc #1 SMP PREEMPT_DYNAMIC Sun, 07 Sep 2025 14:20:56 +0000
x86_64 GNU/Linux
The user still has not tested this version with kernel parameter iwlwifi.disable_11be=1
He will do this today evening.
Then he also could test the second bisect version from the other link. Should he?
As far as i understand above version should have worked, the other(untested) version should probably failed.
//Edit: cause above tested version seems to be "good" on the user in the bugreport (Maricia), smells a bit like another, differently problem in iwlwifi 6.16 ?
Last edited by GerBra (2025-09-09 10:09:03)
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differently problem in iwlwifi 6.16 ?
Yup, see https://bbs.archlinux.org/viewtopic.php … 9#p2260819
afaict @FelledTreeNo9 hasn't created a new bug yet.
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