On Tue, Nov 18, 2014 at 4:21 PM, Andy Lutomirski <luto@xxxxxxxxxxxxxx> wrote: > On Mon, Nov 17, 2014 at 1:51 AM, Michel Dänzer <michel@xxxxxxxxxxx> wrote: >> 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? > > With whatever userspace I'm running, I'm seeing it 3.13, 3.14, 3.15, > 3.16, and 3.18-rc4+. I haven't tried other versions. > > With radeon.dpm=0, I can still trigger short stalls (around one > second), but I seem unable to trigger long stalls easily. (I say > easily because, just as I was typing this email, my system stalled for > about a minute.) I could be wrong here, but I think that radeon.dpm=0, power_profile=default is okay, but radeon.dpm=0, power_profile=high is bad. --Andy > > --Andy > >> >> >> -- >> Earthling Michel Dänzer | http://www.amd.com >> Libre software enthusiast | Mesa and X developer > > > > -- > Andy Lutomirski > AMA Capital Management, LLC -- Andy Lutomirski AMA Capital Management, LLC _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel
