XPost: linux.debian.kernel

Hello Richard,

On Sun, Mar 30, 2025 at 06:50:26PM +0200, Richard wrote:

Only rebooting helps. I'm currently trying not use the headphone jack expansion module, but the normal USB C module and a USB C to jack
adapter I had lying around, that way I can test out if this may be an
issue with the expansion card. I also had the battery run empty,
remove SSD, RAM, battery and all modules a few days ago after that was recommended by Framework support, but the results are still not in.

Maybe it's worth to try to reload the usb bus driver in the broken
state. Something like:

# cd -P /sys/bus/usb/devices/usb5/../driver/
# echo 0000:02:00.0 > unbind
# echo 0000:02:00.0 > bind

(where 0000:02:00.0 is a link in the directory that the first command
cd'd into). Note that

a) there might be several device links in that directory, try

ls -ld /sys/bus/usb/devices/usb5

to determine the right one.

b) While I expect that the format of the device string matches mine, it
might also be something completely different.

c) When unbinding the usb bus driver your USB keyboard might stop
working. So either do bind and unbind in a single line (and hope that
binding works again :-), or do that via network (or with a PS/2
keyboard).

Does the bookworm kernel work on this machine? You could try that then.
Or the Ubuntu kernel might be worth a try.

I would prefer to use a newer Kernel since on one hand features like
VRR are missing from 6.1 (also I don't even know how far that would
boot, I did install bookworm originally because at that time the
Calamares installer was missing from testing ISO, but I think I at
least updated Kernel and Firmware to backports/upstream) and bookworm-backports is probably still missing quite a lot of fixes for
various amdgpu issues. And since I'm currently on Kernel 6.14,
compiled from source based on the config from 6.12.15, I don't know if another Debian Kernel would be enough.

But yes, trying the Kernel from one of the officially supported Ubuntu
or Fedora distros was also recommended by the support, so that would
be Ubuntu 22.04, 24.04 or Fedora 41. With Ubuntu, can I just install
their .deb package? I would still have to ask Framework support which
Kernel they recommend, generic seems to be only v6.8 in 24.04, linux-image-generic-hwe-24.04 is v6.11.0, linux-oem-24.04b is another
version of 6.11.0. Though, because of newer Kernel version, I had
asked them if they happened to know where I could get sources and
config for the latest Kernel in Fedora 41, so I could just put that
through "make bindeb-get" and install that one. But they haven't come
back to me yet with that one. But if you think that could also be
worth a try and happen to know where I can get the parts (or can tell
me where I can get their rpm and install the Kernel with that
manually), I would try that, at least after verifying the current
tests.

I tried installing an Ubuntu (noble) kernel in a Debian 12 VM. While
this worked and produced a booting system, it pulled in quite some dependencies, so it might get hard to restore an all-Debian system
afterwards.

Best regards
Uwe

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XPost: linux.debian.kernel

On Sun, May 25, 2025 at 04:07:19PM +0200, Richard wrote:

So, it has been a while, here a little update. As I couldn't figure
out - and didn't have the time to do so - how to compile Fedora's
kernel sources with their config through make bindeb-pkg, I didn't
even bother trying with Ubuntu's kernel. I have now used the Fedora 41
live USB for the past two weekends and the most part of the past week,
yet the issue didn't show up once. And since I very much doubt that to
be a coincidence and the issue just fixed itself, the issue must be
located in some place inside what Trixie has been shipping for roughly
the last 6 months (I first reported this in early January to the
Framework community, but that's just when it became frequent enough
and had been around already for at least a month if not more, I'd say.

Which version of the Fedora kernel are you using? Can you test the base version, too? (So if Fedora uses a modified 6.13.7, test on a vanilla
6.13.7. That allows to determine if there is something in the Fedora
patch stack that helps or if it's just a different base version that is improved compared to the 6.12.17 kernel that you reported this issue
against.)

Best regards
Uwe

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