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Groups > linux.debian.kernel > #69824

Bug#981586: Bullseye armhf kernel for Raspberry Pi 4b does not boot

Cross-posted to 2 groups.

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> Analysis showed that it does reach init-top. But when usbcore and usbhid 
> are loaded, peripherals like mouse and keyboard are not at all detected. 
> When later usbhid, usb_storage and uas should be started, they do not 
> work either and the root file device is not detected.

What you wrote implies that / resides on an USB device.
Sounds very much like a duplicate of #977694

Can you verify if the workaround of manually adding the 
reset_raspberrypi module to initramfs works?

https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=977694#67

Alternatively, install initramfs-tools 0.140, which is currently 
available in sid, and rebuild your initramfs.

> The same problem exists also for Buster armhf.

What kernel version did you use on Buster armhf that was also affected?
If it's a 5.10 kernel from buster-backports, it should also be affected 
by #977684

> However, Bullseye 64 Bit (...) does work as expected.

What kernel version did you use on Bullseye arm64 that was *not* affected?
If it's a 5.9 kernel from a tested image, it shouldn't be affected.

> Building 5.9 against the Ubuntu 5.4 kernel config also does work.

5.9 would not be affected. This is specific to 5.10, which added the 
reset_raspberrypi module.

If all of the above checks out, this is most likely a duplicate of #977694

Best regards,
João Matos

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Bug#981586: Bullseye armhf kernel for Raspberry Pi 4b does not boot João Ricardo Sares Teles de Matos  <joao.r.matos@tecnico.ulisboa.pt> - 2021-03-16 08:10 +0100

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