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Bug#1103240: installation-reports: The installer hangs on detecting hardware. Installation cannot complete.

Cross-posted to 2 groups.

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[Please reply to 1103240@bugs.debian.org and not only me, really]

On 18/04/2025 at 00:14, anders wrote:
> 
> I copied the wrong link from the e-mail thread. The image I installed
> on my second attempt was the one from
> https://cdimage.debian.org/cdimage/daily-builds/daily/arch-latest/amd64/iso-cd/
> 
> I managed to get the wifi module to work by copying the ath12k folder
> and the rtl_nic folder from the linux-firmware repository
> https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/tree/

> into /usr/lib/firmware and ran "sudo update-initramfs -u"

Did you previously try to install the package firmware-atheros ?
The files in ath12k/WCN7850/ look the same as the ones provided by 
firmware-atheros.

> I then tried to build a custom kernel from the Debian kernel source as described here,

Which version ?

> https://kernel-team.pages.debian.net/kernel-handbook/ch-common-tasks.html
> 
> The GPU related errors have disappeared (although this might be unrelated).
> 
> I then downloaded the Realtek driver for the 8125 ethernet controller,
> 
> https://www.realtek.com/Download/List?cate_id=584
> 
> I ran the autorun script. Then I signed the driver module r8125.ko with a MOK and loaded it with insmod. After doing this the ethernet connection works.
> 
> While the wifi module works, I still obtains some errors when unloading and reloading the module ath12k,
> 
> [ 2692.621781] ath12k_pci 0000:0c:00.0: firmware: failed to load ath12k/WCN7850/hw2.0/firmware-2.bin (-2)
> [ 2692.621785] ath12k_pci 0000:0c:00.0: firmware: failed to load ath12k/WCN7850/hw2.0/firmware-2.bin (-2)
> [ 2692.621787] ath12k_pci 0000:0c:00.0: firmware: failed to load ath12k/WCN7850/hw2.0/firmware-2.bin (-2)

This file is neither in the kernel repository nor the firmware-atheros 
package. Maybe it is optional. Anyway it seems that the kernel does not 
panic when the ath12k is loaded or unloaded and ath12k firmware files 
are present.

> You gave the following instructions,
> 
>> The normal sequence in the installer when firmware is needed by a
>> network controller:
>> - load modules
>> - bring up and down network interfaces
>> - parse kernel logs for missing firmware
>> - find and install missing firmware
>> - unload and reload modules
>>
>> the fact that the kernel panic does not happen without firmwares
>> suggests me that the bug may be triggered by either of the following
>> actions with r8169 or ath12k:
>> - unload the module when firmware is missing
>> - load the module when firmware is present
>> - bring the network interface up
> 
> If it is of interest to you, I am willing to reinstall and check this on a fresh install, where I haven't made a mess. However, I am leaving on vacation and it will therefore be a week before I can find the time.

I'd like the installer not to crash on your hardware, so anything that 
can help narrow the possible causes is welcome.

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Thread

Bug#1103240: installation-reports: The installer hangs on detecting hardware. Installation cannot complete. Pascal Hambourg <pascal@plouf.fr.eu.org> - 2025-04-15 13:50 +0200
  Bug#1103240: installation-reports: The installer hangs on detecting hardware. Installation cannot complete. Pascal Hambourg <pascal@plouf.fr.eu.org> - 2025-04-17 19:40 +0200
    Bug#1103240: installation-reports: The installer hangs on detecting hardware. Installation cannot complete. Pascal Hambourg <pascal@plouf.fr.eu.org> - 2025-04-18 13:50 +0200
      Bug#1103240: installation-reports: The installer hangs on detecting hardware. Installation cannot complete. Pascal Hambourg <pascal@plouf.fr.eu.org> - 2025-05-02 18:50 +0200

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