** Also affects: linux-firmware (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/2007875
Title:
Ubuntu 22.04 XPS 13 plus 9320 kernel 6.0 OEM and 5.19 breaks wifi
frequently
Status in linux-firmware package in Ubuntu:
New
Status in oem-somerville-tentacool-meta package in Ubuntu:
New
Bug description:
I'm using the stock Dell Ubuntu 22.04 image on my XPS 13 Plus (9320).
Recently I received some kernel updates, the 5.19 kernel used in 22.10
and a 6.0 oem kernel. Both updates break wifi. It seems to only do so
on newer 5.7 GHz access points.
1. Boot latest 6.0 oem kernel
2. Browse the web, usually takes between 1 and 5 minutes.
3. Networking will cut out.
Disabling networking and starting again will fix it until it happens
again in a few minutes. This will repeat indefinitely, essentially
making wireless useless.
The attached dmesg log reliably shows up when it fails, showing
iwlwifi failing and a (network?) hardware reset request.
It witnessed this happen months ago on 22.10, which led me to using
the Dell stock 22.04 image. But it seems even the newer OEM kernel is
affected.
A workaround is to select the older 5.15 kernel in grub. I find on
this laptop, one must hit escape precisely 1 second after seeing the
Dell logo on boot. Alternatively one could edit /etc/grub/default and
set a longer timeout.
Let me know if this bug report would be better to go to Dell as a
support request instead.
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