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[i]drm: radeon_pci_probe [radeon]] * Error * radeon kernel modesetting for R600 or later requires firmware installed.[/i]
Detected a previous installation, /usr/share/ati/amd-uninstall.sh
Dryrun uninstall succeeded continuing with installation.
Check if system has the tools required for installation.
Uninstalling any previously installed drivers.
Forcing uninstall of AMD Catalyst(TM) Proprietary Driver.
No integrity verification is done.
restore of system environment completed
Uninstall fglrx driver complete.
For detailed log of uninstall, please see /etc/ati/fglrx-uninstall.log
System must be rebooted to avoid system instability and potential data loss.
/usr/share/ati/amd-uninstall.sh completed with 0
Creating symlink /var/lib/dkms/fglrx/8.97.100.7/source ->
/usr/src/fglrx-8.97.100.7
DKMS: add completed.
Kernel preparation unnecessary for this kernel. Skipping...
Building module:
cleaning build area...
cd /var/lib/dkms/fglrx/8.97.100.7/build; sh make.sh --nohints --uname_r=5.10.0-8-amd64 --norootcheck...(bad exit status: 1)
[Error] Kernel Module : Failed to build fglrx-8.97.100.7 with DKMS
[Error] Kernel Module : Removing fglrx-8.97.100.7 from DKMS
[Reboot] Kernel Module : update-initramfs
Then I read viewtopic.php?t=142815 and it says :
I tried to runVoluminous wrote: ↑2019-07-21 13:15 Thank you all for the replies, but I just solved the problem...
I ran sudo update-initramfs –u to see what it will say about the missing firmware, and after rebooting the message is gone and I can control the backlight.
Seems when installing the firmware-amd-graphics package, the setting-up phase didn't run update-initramfs for some reason.
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sudo update-initramfs -u
I: update-initramfs is disabled (live system is running on read-only media).
So, I think that my problem is about live mode. I used below command :
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sudo /usr/sbin/update-initramfs.orig.initramfs-tools -u
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user@debian:~$ sudo /usr/sbin/update-initramfs.orig.initramfs-tools -u
update-initramfs: Generating /boot/initrd.img-5.10.0-8-amd64
cryptsetup: ERROR: Couldn't resolve device overlay
cryptsetup: WARNING: Couldn't determine root device
live-boot: core filesystems devices utils udev blockdev dns.
What is the problem? Lots of things seems work but actually I am missing something? Any help is appreciated.