** Changed in: linux-raspi (Ubuntu)
Status: New => Invalid
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https://bugs.launchpad.net/bugs/1919349
Title:
Invalid compatible on CM4 arm64
Status in linux-raspi package in Ubuntu:
Invalid
Status in linux-raspi source package in Groovy:
Fix Released
Bug description:
[Impact]
The CM4 device tree returns an incorrect compatible for arm64.
arm64:
$ cat /proc/device-tree/model
Raspberry Pi Compute Module 4 Rev 1.0
$ cat /proc/device-tree/compatible
raspberrypi,4-model-b
brcm,bcm2711
armhf:
$ cat /proc/device-tree/model
Raspberry Pi Compute Module 4 Rev 1.0
$ cat /proc/device-tree/compatible
raspberrypi,4-compute-module
brcm,bcm2711
[Test Case]
See above.
[Where Problems Could Occur]
The brcmfmac driver uses that string to decide which wifi firmware to
load. That will fail, if the correct firmware is not installed which
means wifi will not work. There could be other drivers, that make use
of this string.
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