Probleme radeon !

bonjour,
au boot j’ai ce message avant que j’arrives a logger…

09:05:44 sudo: paul : 1 incorrect password attempt ; TTY=unknown ; PWD=/home/paul ; USER=root ; COMMAND=XDG_RUNTIME_DIR=/run/user/1000 partitionmanager --dontsu
09:05:44 sudo: pam_unix(sudo:auth): auth could not identify password for [paul]
09:05:44 sudo: pam_unix(sudo:auth): conversation failed
08:29:36 kernel: Buffer I/O error on dev sr0, logical block 0, lost async page write
08:29:36 kernel: blk_update_request: critical target error, dev sr0, sector 0
08:24:32 kernel: Buffer I/O error on dev sr0, logical block 8, lost async page write
08:24:32 kernel: blk_update_request: critical target error, dev sr0, sector 64
07:37:01 pulseaudio: [pulseaudio] bluez5-util.c: GetManagedObjects() failed: org.freedesktop.DBus.Error.NoReply: Did not receive a reply. Possible causes include: the remote application did not send a reply, the message bus security policy blocked the reply, the reply timeout expired, or the network connection was broken.
07:36:35 pulseaudio: [pulseaudio] module.c: Failed to load module “module-alsa-card” (argument: "device_id=“1” name=“usb-BEHRINGER_UMX_49-00” card_name=“alsa_card.usb-BEHRINGER_UMX_49-00” namereg_fail=false tsched=yes fixed_latency_range=no ignore_dB=no deferred_volume=yes use_ucm=yes card_properties=“module-udev-detect.discovered=1"”): initialization failed.
07:36:35 pulseaudio: [pulseaudio] module-alsa-card.c: Failed to find a working profile.
07:36:00 kernel: snd_hda_intel 0000:01:05.2: azx_get_response timeout, switching to single_cmd mode: last cmd=0x000f0000
07:35:53 kernel: radeon 0000:01:05.0: Disabling GPU acceleration
07:35:53 kernel: radeon 0000:01:05.0: failed initializing CP (-2).
07:35:53 kernel: [drm:r100_cp_init [radeon]] ERROR Failed to load firmware!
07:35:53 kernel: radeon 0000:01:05.0: firmware: failed to load radeon/RS690_cp.bin (-2)
07:35:51 kernel: ata1: softreset failed (device not ready)
07:35:51 kernel: ata2: softreset failed (device not ready)

j’ai d’autres problemes mais je suppose qu’il faut commencer par le debut!
merci d’avance.
paul.

Si pas déjà fait, il faut ajouter la section non-free aux dépôts définis dans /etc/apt/sources.list et mettre à jour la liste des paquets disponibles avec apt-get update. Ensuite il faut installer le paquet firmware-amd-graphics (ou firmware-linux-nonfree pour les versions de Debian antérieures à 9) qui contient les firmwares pour Radeon.

ok merci je vais essayer…