On 15.11.2014 07:21, Andy Lutomirski wrote: > I have a Caicos card, like this: > > [ 3.077260] [drm] radeon kernel modesetting enabled. > [ 3.077338] checking generic (e0000000 600000) vs hw (e0000000 10000000) > [ 3.077339] fb: switching to radeondrmfb from EFI VGA > [ 3.077377] Console: switching to colour dummy device 80x25 > [ 3.078881] [drm] initializing kernel modesetting (CAICOS > 0x1002:0x6779 0x174B:0xE164). > [ 3.078903] [drm] register mmio base: 0xF4A20000 > [ 3.078904] [drm] register mmio size: 131072 > [ 3.078982] ATOM BIOS: C26401 > [ 3.079572] radeon 0000:09:00.0: VRAM: 1024M 0x0000000000000000 - > 0x000000003FFFFFFF (1024M used) > [ 3.079574] radeon 0000:09:00.0: GTT: 1024M 0x0000000040000000 - > 0x000000007FFFFFFF > [ 3.079576] [drm] Detected VRAM RAM=1024M, BAR=256M > [ 3.079577] [drm] RAM width 64bits DDR > [ 3.079755] [TTM] Zone kernel: Available graphics memory: 8186568 kiB > [ 3.079757] [TTM] Zone dma32: Available graphics memory: 2097152 kiB > [ 3.079757] [TTM] Initializing pool allocator > [ 3.079773] [TTM] Initializing DMA pool allocator > [ 3.080011] [drm] radeon: 1024M of VRAM memory ready > [ 3.080012] [drm] radeon: 1024M of GTT memory ready. > [ 3.080049] [drm] Loading CAICOS Microcode > [ 3.080330] [drm] Internal thermal controller without fan control > [ 3.081425] [drm] radeon: power management initialized > [ 3.081551] [drm] GART: num cpu pages 262144, num gpu pages 262144 > [ 3.082589] [drm] enabling PCIE gen 2 link speeds, disable with > radeon.pcie_gen2=0 > [ 3.085030] [drm] PCIE GART of 1024M enabled (table at 0x0000000000274000). > [ 3.085221] radeon 0000:09:00.0: WB enabled > [ 3.085224] radeon 0000:09:00.0: fence driver on ring 0 use gpu > addr 0x0000000040000c00 and cpu addr 0xffff88043d914c00 > [ 3.085225] radeon 0000:09:00.0: fence driver on ring 3 use gpu > addr 0x0000000040000c0c and cpu addr 0xffff88043d914c0c > [ 3.097438] radeon 0000:09:00.0: fence driver on ring 5 use gpu > addr 0x0000000000072118 and cpu addr 0xffffc900128b2118 > [ 3.097441] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013). > [ 3.097442] [drm] Driver supports precise vblank timestamp query. > [ 3.097514] radeon 0000:09:00.0: irq 56 for MSI/MSI-X > [ 3.097544] radeon 0000:09:00.0: radeon: using MSI. > [ 3.097614] [drm] radeon: irq initialized. > > On recent kernels (3.16 through 3.18-rc4, perhaps), doing anything > graphics intensive seems to cause my system to become unusable for > tens of seconds. Pointing Firefox at Google Maps is a big offender -- > it can take several minutes for me to move my mouse far enough to > close the tab and get my computer back. > > On bootup, I get this warning: > [drm:btc_dpm_set_power_state] *ERROR* > rv770_restrict_performance_levels_before_switch failed > > Setting radeon.dpm=0 seems to work around this problem at the cost of > giving my rather slow graphics. > > Are there known issues here?
Can you bisect the kernel, or at least isolate which kernel version first introduced the problem? -- Earthling Michel Dänzer | http://www.amd.com Libre software enthusiast | Mesa and X developer
