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FS#71575 - watchdog: BUG: soft lockup - CPU | Dell XPS 13 9310

Attached to Project: Arch Linux
Opened by Maximilian Konter (Biskit1943) - Wednesday, 21 July 2021, 17:02 GMT
Last edited by Andreas Radke (AndyRTR) - Thursday, 22 July 2021, 05:14 GMT
Task Type Bug Report
Category Kernel
Status Assigned
Assigned To Jan Alexander Steffens (heftig)
David Runge (dvzrv)
Architecture x86_64
Severity High
Priority Normal
Reported Version
Due in Version Undecided
Due Date Undecided
Percent Complete 0%
Votes 0
Private No



Laptop freezes after system start (sway).

Since the latest kernel update (linux 5.13.4.arch1-1) the laptop freezes after the window manager started. It took me four tries to gather these logs and I wasn't able to collect more...

Additional info:

output of dmesg in attachments

Steps to reproduce:

Update kernel and use a damn Dell XPS 13 9310


Disabling "Intel SmartStep" in the BIOS resolved the issue but lead to a higher fan noise (but also more power).
This task depends upon

Comment by Maximilian Konter (Biskit1943) - Monday, 26 July 2021, 05:48 GMT
Without updating the Kernel, I wasn't able to use the laptop today. I tried to install linux-lts, which did not succeeded within 10 boots and I used the rescue usb then. Now I don't have these messages and the laptop is working ... for now.

Regarding the "workaround" I got confused, I disabled "Intel SmartShift" and later "Intel SpeedStep". The first one had a short effect, but the second one not. With the LTS kernel I have both enabled and no problems so far.
Comment by env (ENV25) - Friday, 30 July 2021, 08:10 GMT
I have a similar issue.

Can you verify if this issue only happens when rebooting. Try fully powering off, then booting again with the latest kernel.