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Description of problem: The screen jumps/flickers at intervals after setting the kernel with the new DPM feature activated thru boot param "radeon.dpm=1". This is extremely annoying. Version-Release number of selected component (if applicable): Since this is not a Fedora issue but a kernel issue it possibly also affects FC19 (to which I'll be updating soon anyway). * uname -a gives: Linux localhost 3.11.4-101.fc18.x86_64 #1 SMP Thu Oct 10 14:05:32 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux * modinfo radeon gives: filename: /lib/modules/3.11.4-101.fc18.x86_64/kernel/drivers/gpu/drm/radeon/radeon.ko license: GPL and additional rights description: ATI Radeon author: Gareth Hughes, Keith Whitwell, others. vermagic: 3.11.4-101.fc18.x86_64 SMP mod_unload The chip is an antique HD4850 / RV770 / M98L. Boot loader is Grub2. How reproducible: Boot machine up with kernel param "radeon.dpm=1" Actual results: Machine boots up OK, but screen flickers/jumps at intervals, what is really annoying. Expected results: Screen should NOT jump/flicker after setting the param Additional info: Lines from last boot in /var/log/messages containing 'radeon': (If you need anything else pls just ask). Oct 19 10:59:29 localhost kernel: [ 0.000000] Command line: BOOT_IMAGE=/vmlinuz-3.11.4-101.fc18.x86_64 root=/dev/mapper/vg_laptop3-lv_root ro rd.md=0 rd.dm=0 rd.lvm.lv=vg_laptop3/lv_root rd.lvm.lv=vg_laptop3/lv_swap KEYTABLE=de rd.luks=0 SYSFONT=True LANG=en_US.UTF-8 rhgb quiet radeon.dpm=1 zswap.enabled=1 Oct 19 10:59:29 localhost kernel: [ 0.000000] Kernel command line: BOOT_IMAGE=/vmlinuz-3.11.4-101.fc18.x86_64 root=/dev/mapper/vg_laptop3-lv_root ro rd.md=0 rd.dm=0 rd.lvm.lv=vg_laptop3/lv_root rd.lvm.lv=vg_laptop3/lv_swap KEYTABLE=de rd.luks=0 SYSFONT=True LANG=en_US.UTF-8 rhgb quiet radeon.dpm=1 zswap.enabled=1 Oct 19 10:59:29 localhost kernel: [ 2.692077] [drm] radeon kernel modesetting enabled. Oct 19 10:59:29 localhost kernel: [ 2.692138] fb: conflicting fb hw usage radeondrmfb vs VESA VGA - removing generic driver Oct 19 10:59:29 localhost kernel: [ 2.694390] radeon 0000:07:00.0: VRAM: 512M 0x0000000000000000 - 0x000000001FFFFFFF (512M used) Oct 19 10:59:29 localhost kernel: [ 2.694394] radeon 0000:07:00.0: GTT: 512M 0x0000000020000000 - 0x000000003FFFFFFF Oct 19 10:59:29 localhost kernel: [ 2.694762] [drm] radeon: 512M of VRAM memory ready Oct 19 10:59:29 localhost kernel: [ 2.694764] [drm] radeon: 512M of GTT memory ready. Oct 19 10:59:29 localhost kernel: [ 2.706261] radeon 0000:07:00.0: WB enabled Oct 19 10:59:29 localhost kernel: [ 2.706265] radeon 0000:07:00.0: fence driver on ring 0 use gpu addr 0x0000000020000c00 and cpu addr 0xffff880132ae4c00 Oct 19 10:59:29 localhost kernel: [ 2.706268] radeon 0000:07:00.0: fence driver on ring 3 use gpu addr 0x0000000020000c0c and cpu addr 0xffff880132ae4c0c Oct 19 10:59:29 localhost kernel: [ 2.706307] radeon 0000:07:00.0: radeon: using MSI. Oct 19 10:59:29 localhost kernel: [ 2.706333] [drm] radeon: irq initialized. Oct 19 10:59:29 localhost kernel: [ 2.763435] [drm] radeon: dpm initialized Oct 19 10:59:29 localhost kernel: [ 3.743856] fbcon: radeondrmfb (fb0) is primary device Oct 19 10:59:29 localhost kernel: [ 3.794927] radeon 0000:07:00.0: fb0: radeondrmfb frame buffer device Oct 19 10:59:29 localhost kernel: [ 3.794928] radeon 0000:07:00.0: registered panic notifier Oct 19 10:59:29 localhost kernel: [ 3.794938] [drm] Initialized radeon 2.34.0 20080528 for 0000:07:00.0 on minor 0
The option is disabled by default for a reason. It is still considered experimental upstream, and needs additional work
I have the same issue with a RV770 too. But it's not each time, sometimes I boot and I have the issue, if a reboot, the issue can be solved. kernel 3.11.9-200.fc19.x86_64
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