[sisyphus] Radeon DRM stopped working after upgrade to 3.12.15-std-def-alt1

[Ivan Adzhubey <iadzhubey@partners.org>]

Добрый день!

Система - Сизиф со всеми последними обновлениями (х86_64), видеокарта Radeon 
HD 4850. Не работает драйвер radeon с ядром 3.12.15-std-def-alt1:

# lspci | grep -i radeon
01:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] 
RV770 [Radeon HD 4850]

# dmesg | less
[   16.209678] iTCO_wdt: Intel TCO WatchDog Timer Driver v1.10
[   16.209711] iTCO_wdt: Found a ICH9R TCO device (Version=2, TCOBASE=0x0460)
[   16.209848] iTCO_wdt: initialized. heartbeat=30 sec (nowayout=0)
[   16.432857] [drm] radeon kernel modesetting enabled.
[   16.433202] [drm] initializing kernel modesetting (RV770 0x1002:0x9442 
0x1002:0x0502).
[   16.433222] [drm] register mmio base: 0xE0100000
[   16.433224] [drm] register mmio size: 65536
[   16.433840] ATOM BIOS: Wekiva
[   16.433864] radeon 0000:01:00.0: VRAM: 512M 0x0000000000000000 - 
0x000000001FFFFFFF (512M used)
[   16.433867] radeon 0000:01:00.0: GTT: 1024M 0x0000000020000000 - 
0x000000005FFFFFFF
[   16.433868] [drm] Detected VRAM RAM=512M, BAR=256M
[   16.433870] [drm] RAM width 256bits DDR
[   16.433954] [TTM] Zone  kernel: Available graphics memory: 2026682 kiB
[   16.433956] [TTM] Initializing pool allocator
[   16.433959] [TTM] Initializing DMA pool allocator
[   16.433973] [drm] radeon: 512M of VRAM memory ready
[   16.433974] [drm] radeon: 1024M of GTT memory ready.
[   16.433986] [drm] Loading RV770 Microcode
[   16.456686] r600_cp: Failed to load firmware "radeon/R700_rlc.bin"
[   16.456690] [drm:rv770_init] *ERROR* Failed to load firmware!
[   16.456692] radeon 0000:01:00.0: Fatal error during GPU init
[   16.456694] [drm] radeon: finishing device.
[   16.478539] [TTM] Finalizing pool allocator
[   16.478543] [TTM] Finalizing DMA pool allocator
[   16.478584] [TTM] Zone  kernel: Used memory at exit: 0 kiB
[   16.478586] [drm] radeon: ttm finalized
[   16.478818] radeon: probe of 0000:01:00.0 failed with error -2

# grep EE /var/log/Xorg.0.log
        (WW) warning, (EE) error, (NI) not implemented, (??) unknown.
[    37.462] Initializing built-in extension MIT-SCREEN-SAVER
[    38.685] (EE) open /dev/dri/card0: No such file or directory
[    38.685] (EE) open /dev/dri/card0: No such file or directory
[    38.705] (EE) open /dev/fb0: No such file or directory
[    38.705] (EE) open /dev/fb0: No such file or directory
[    38.705] (EE) Screen 0 deleted because of no matching config section.
[    38.705] (EE) Screen 0 deleted because of no matching config section.
[    38.705] (EE) Screen 0 deleted because of no matching config section.
[    39.676] (EE) AIGLX: reverting to software rendering

# uname -a
Linux xxxx.yyy.edu 3.12.15-std-def-alt1 #1 SMP Wed Apr 2 08:02:44 UTC 2014 
x86_64 GNU/Linux

# rpm -qa | fgrep kernel- | grep -e -3.12 | sort -u
kernel-headers-std-def-3.12.15-alt1
kernel-image-std-def-3.12.15-alt1
kernel-modules-drm-radeon-std-def-3.12.15-alt1
kernel-modules-drm-std-def-3.12.15-alt1
kernel-modules-v4l-std-def-3.12.15-alt1

--Иван



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