Bug#1028547: Missing firmware of Mediatek Wifi cause crash in linux kernel
On 12/01/2023 at 16:25, Bernhard wrote:
05:00.0 Network controller [0280]: MEDIATEK Corp. MT7922 802.11ax PCI Express Wireless Network Adapter [14c3:0616]
Subsystem: Foxconn International, Inc. MT7922 802.11ax PCI Express Wireless Network Adapter [105b:e0cd]
Kernel driver in use: mt7921e
Kernel modules: mt7921e
In UEFI: WiFi and Bluetooth is enabled:
There is the kernel crash during booting (see attached syslog)
It happens when the installer tries to remove the module mt7921e.
It looks like the same kernel bug as in #1021918.
<https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1021918>
In UEFI: WiFi and Bluetooth is disabled:
Installation works fine.
Because wifi is disabled so mt7921e was not loaded in the first place.
After installation of Debian with the firmware, it's possible to enable WiFi and Bluetooth again.
There is no kernel crash anymore at normal booting of the installed system with Firmware.
Even without installing the firmware, the kernel won't crash as long as
you do not try to remove mt7921e.
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