It just hit me again.
This workaround from the Debian iwlwifi wiki seems to have fixed the
problem on my WiFi 5100 Link adapter:
Troubleshooting
Slow WiFi problems when using Bluetooth
Some devices like the 6235 do include a Bluetooth device in the same card,
which may lead into radio conflict. Newer devices (7200 an
This is a record of all the restarts for the last ~24 hours:
Feb 23 08:24:49 debiant kernel: [260162.902256] iwlwifi :04:00.0:
Microcode SW error detected. Restarting 0x200.
Feb 23 10:00:37 debiant kernel: [265911.64] iwlwifi :04:00.0:
Microcode SW error detected. Restarting 0x20
Can we expect a fix soon in whatever package causes the console spam? It's
a rude awakening to get hit by these messages first thing in the morning
when doing maintenance.
I will be retrying the 'make deb-pkg' build with kernel version 5 source in
the
next few days. I will report back later.
Using gcc and binutils
Aug 6 09:00:07 debiant kernel: [876895.326060] iwlwifi :04:00.0:
Microcode SW error detected. Restarting 0x9200.
Aug 6 09:00:07 debiant kernel: [876895.326070] iwlwifi :04:00.0:
Loaded firmware version: 8.83.5.1 build 33692
Aug 6 09:00:07 debiant kernel: [876895.326199] iwlwifi
Just installed it from testing distribution and no black screen, modeset
worked fine.
I incorrectly stated there was no problem on one of my Debian machines with
video adapter
Intel Corporation Mobile GM965/GL960 Integrated Graphics Controller
(primary) (rev 0c).
There is black screen and lightdm failed to start after this:
BUG: unable to handle kernel NULL pointer dereference at
I have 3 Debian machines in the lab, and two booted 4.18.3 fine. One has a
Radeon GPU, the other is an Intel GM965. The one that gave me the black
screen at boot is:
lspci | grep -i vga
00:02.0 VGA compatible controller: Intel Corporation Mobile 4 Series
Chipset Integrated Graphics Controller (rev
But the graphics mode is low res (1280x768). Also, 'nomodeset' is no longer
documented in the kernel parameters doc (
https://www.kernel.org/doc/Documentation/admin-guide/kernel-parameters.txt).
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