2013/7/29 Alex Deucher <alexdeucher@xxxxxxxxx>: > On Mon, Jul 29, 2013 at 10:09 AM, Markus Trippelsdorf > <markus@xxxxxxxxxxxxxxx> wrote: >> On 2013.07.29 at 09:58 -0400, Alex Deucher wrote: >>> On Mon, Jul 29, 2013 at 3:51 AM, Markus Trippelsdorf >>> <markus@xxxxxxxxxxxxxxx> wrote: >>> > On my test machine Xorg doesn't start anymore when I kexec into a >>> > 3.11.0-rc3 kernel. >>> >>> With kexec, dpm doesn't get torn down properly which can result in a >>> bad hardware state when the driver loads again. Does the attached >>> patch help? It attempts to disable dpm at startup in case it wasn't >>> torn down properly previously. >> >> dpm initialization now works, but unfortunately GPU acceleration still gets >> disabled: > > Stupid kexec complicates things. We need to make sure dpm is torn > down before we init the rest of the GPU, but dpm needs get initialized > later in the init process since it depends on certain other state from > the driver. I need to think about this for a bit. I'm not sure of a > good way to handle this. > > Alex > >> >> [drm] Initialized drm 1.1.0 20060810 [135/1104] >> [drm] radeon kernel modesetting enabled. >> [drm] initializing kernel modesetting (RS780 0x1002:0x9614 0x1043:0x834D). >> [drm] register mmio base: 0xFBEE0000 >> [drm] register mmio size: 65536 >> ATOM BIOS: 113 >> radeon 0000:01:05.0: VRAM: 128M 0x00000000C0000000 - 0x00000000C7FFFFFF (128M used) >> radeon 0000:01:05.0: GTT: 512M 0x00000000A0000000 - 0x00000000BFFFFFFF >> [drm] Detected VRAM RAM=128M, BAR=128M >> [drm] RAM width 32bits DDR >> [TTM] Zone kernel: Available graphics memory: 4082356 kiB >> [TTM] Zone dma32: Available graphics memory: 2097152 kiB >> [TTM] Initializing pool allocator >> [TTM] Initializing DMA pool allocator >> [drm] radeon: 128M of VRAM memory ready >> [drm] radeon: 512M of GTT memory ready. >> [drm] GART: num cpu pages 131072, num gpu pages 131072 >> [drm] Loading RS780 Microcode >> [drm] PCIE GART of 512M enabled (table at 0x00000000C0040000). >> radeon 0000:01:05.0: WB enabled >> radeon 0000:01:05.0: fence driver on ring 0 use gpu addr 0x00000000a0000c00 and cpu addr 0xffff880215c30c00 >> radeon 0000:01:05.0: fence driver on ring 3 use gpu addr 0x00000000a0000c0c and cpu addr 0xffff880215c30c0c >> [drm] Supports vblank timestamp caching Rev 1 (10.10.2010). >> [drm] Driver supports precise vblank timestamp query. >> [drm] radeon: irq initialized. >> radeon 0000:01:05.0: setting latency timer to 64 >> [drm] ring test on 0 succeeded in 1 usecs >> [drm:r600_dma_ring_test] *ERROR* radeon: ring 3 test failed (0xCAFEDEAD) >> radeon 0000:01:05.0: disabling GPU acceleration >> radeon 0000:01:05.0: ffff8802161cfc00 unpin not necessary >> [drm] Radeon Display Connectors >> [drm] Connector 0: >> [drm] VGA-1 >> [drm] DDC: 0x7e40 0x7e40 0x7e44 0x7e44 0x7e48 0x7e48 0x7e4c 0x7e4c >> [drm] Encoders: >> [drm] CRT1: INTERNAL_KLDSCP_DAC1 >> [drm] Connector 1: >> [drm] DVI-D-1 >> [drm] HPD3 >> [drm] DDC: 0x7e50 0x7e50 0x7e54 0x7e54 0x7e58 0x7e58 0x7e5c 0x7e5c >> [drm] Encoders: >> [drm] DFP3: INTERNAL_KLDSCP_LVTMA >> == power state 0 == >> ui class: none >> internal class: boot >> caps: video >> uvd vclk: 0 dclk: 0 >> power level 0 sclk: 50000 vddc_index: 2 >> power level 1 sclk: 50000 vddc_index: 2 >> status: c r b >> == power state 1 == >> ui class: performance >> internal class: none >> caps: video >> uvd vclk: 0 dclk: 0 >> power level 0 sclk: 50000 vddc_index: 1 >> power level 1 sclk: 70000 vddc_index: 2 >> status: >> == power state 2 == >> ui class: none >> internal class: uvd >> caps: video >> uvd vclk: 53300 dclk: 40000 >> power level 0 sclk: 50000 vddc_index: 1 >> power level 1 sclk: 50000 vddc_index: 1 >> status: >> switching from power state: >> ui class: none >> internal class: boot >> caps: video >> uvd vclk: 0 dclk: 0 >> power level 0 sclk: 50000 vddc_index: 2 >> power level 1 sclk: 50000 vddc_index: 2 >> status: c b >> switching to power state: >> ui class: performance >> internal class: none >> caps: video >> uvd vclk: 0 dclk: 0 >> power level 0 sclk: 50000 vddc_index: 1 >> power level 1 sclk: 70000 vddc_index: 2 >> status: r >> [drm] radeon: dpm initialized >> [drm] fb mappable at 0xF0142000 >> [drm] vram apper at 0xF0000000 >> [drm] size 7299072 >> [drm] fb depth is 24 >> [drm] pitch is 6912 >> fbcon: radeondrmfb (fb0) >> >> -- >> Markus > _______________________________________________ > dri-devel mailing list > dri-devel@xxxxxxxxxxxxxxxxxxxxx > http://lists.freedesktop.org/mailman/listinfo/dri-devel This error message seems similar to mine "[drm:r600_uvd_ring_test] *ERROR* radeon: ring 5 test failed (0xCAFEDEAD)" Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=67276 In my case I blame another commit for this. Are these bugs related? -- --joshua _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel
