https://bugzilla.kernel.org/show_bug.cgi?id=35472 Summary: [r600] radeondrmfb rendering is broken and running X makes GPU lock-up on RV770 CE (Radeon HD 4730) Product: Drivers Version: 2.5 Kernel Version: 2.6.38 Platform: All OS/Version: Linux Tree: Mainline Status: NEW Severity: normal Priority: P1 Component: Video(DRI - non Intel) AssignedTo: drivers_video-dri@xxxxxxxxxxxxxxxxxxxx ReportedBy: virtuousfox@xxxxxxxxx Regression: Yes with 2.6.37 it's all OK but since 2.6.38 from very framebuffer initialization screen is filled with dense grey lines looking like ugly grid. also per every 3cm on my 1920x1080/23' screen there is a distinctive whitish vertical line. when X try to startup i can see cursor and can move it around for a while (that grey grid is there too) but kdm does not starting up and GPU locks up. it is the same with 2.6.39. here is `dmesg|grep drm` for 2.6.39: [ 0.462282] [drm] Initialized drm 1.1.0 20060810 [ 0.462315] [drm] radeon defaulting to kernel modesetting. [ 0.462337] [drm] radeon kernel modesetting enabled. [ 0.462575] [drm] initializing kernel modesetting (RV770 0x1002:0x944E). [ 0.462608] [drm] register mmio base: 0xFDFE0000 [ 0.462630] [drm] register mmio size: 65536 [ 0.463313] [drm] Detected VRAM RAM=512M, BAR=256M [ 0.463343] [drm] RAM width 128bits DDR [ 0.463526] [drm] radeon: 512M of VRAM memory ready [ 0.463549] [drm] radeon: 512M of GTT memory ready. [ 0.463571] [drm] Supports vblank timestamp caching Rev 1 (10.10.2010). [ 0.463594] [drm] Driver supports precise vblank timestamp query. [ 0.463708] [drm] radeon: irq initialized. [ 0.463733] [drm] GART: num cpu pages 131072, num gpu pages 131072 [ 0.465260] [drm] Loading RV770 Microcode [ 0.512429] [drm] ring test succeeded in 1 usecs [ 0.512544] [drm] radeon: ib pool ready. [ 0.512584] [drm] ib test succeeded in 0 usecs [ 0.512609] [drm] Enabling audio support [ 0.512805] [drm] Radeon Display Connectors [ 0.512827] [drm] Connector 0: [ 0.512847] [drm] DVI-I [ 0.512868] [drm] HPD2 [ 0.512889] [drm] DDC: 0x7e60 0x7e60 0x7e64 0x7e64 0x7e68 0x7e68 0x7e6c 0x7e6c [ 0.512915] [drm] Encoders: [ 0.512936] [drm] DFP1: INTERNAL_UNIPHY [ 0.512957] [drm] CRT2: INTERNAL_KLDSCP_DAC2 [ 0.512979] [drm] Connector 1: [ 0.512999] [drm] DIN [ 0.513028] [drm] Encoders: [ 0.513049] [drm] TV1: INTERNAL_KLDSCP_DAC2 [ 0.513070] [drm] Connector 2: [ 0.513091] [drm] DVI-I [ 0.513111] [drm] HPD1 [ 0.513132] [drm] DDC: 0x7e20 0x7e20 0x7e24 0x7e24 0x7e28 0x7e28 0x7e2c 0x7e2c [ 0.513158] [drm] Encoders: [ 0.513179] [drm] CRT1: INTERNAL_KLDSCP_DAC1 [ 0.513201] [drm] DFP2: INTERNAL_KLDSCP_LVTMA [ 0.577285] [drm] Internal thermal controller without fan control [ 0.578307] [drm] radeon: power management initialized [ 0.657478] [drm] fb mappable at 0xD0142000 [ 0.657500] [drm] vram apper at 0xD0000000 [ 0.657521] [drm] size 8294400 [ 0.657541] [drm] fb depth is 24 [ 0.657562] [drm] pitch is 7680 [ 0.657632] fbcon: radeondrmfb (fb0) is primary device [ 1.073319] fb0: radeondrmfb frame buffer device [ 1.073349] drm: registered panic notifier [ 1.073379] [drm] Initialized radeon 2.9.0 20080528 for 0000:01:00.0 on minor 0 [ 252.565034] WARNING: at drivers/gpu/drm/radeon/radeon_fence.c:246 radeon_fence_wait+0x3a6/0x400() [ 252.565102] [<ffffffff8137c334>] ? drm_ioctl+0x394/0x450 [ 252.565145] [drm] Disabling audio support [ 252.731618] [drm] ring test succeeded in 1 usecs [ 252.908838] [drm:r600_ib_test] *ERROR* radeon: ib test failed (scratch(0x8504)=0xCAFEDEAD) [ 252.908841] [drm:rv770_resume] *ERROR* radeon: failed testing IB (-22). [ 267.523039] WARNING: at drivers/gpu/drm/radeon/radeon_fence.c:246 radeon_fence_wait+0x3a6/0x400() [ 267.523107] [<ffffffff8137c334>] ? drm_ioctl+0x394/0x450 [ 268.216464] [drm] ring test succeeded in 1 usecs [ 268.216473] [drm] ib test succeeded in 1 usecs [ 268.216475] [drm] Enabling audio support [ 273.719044] WARNING: at drivers/gpu/drm/radeon/radeon_fence.c:246 radeon_fence_wait+0x3a6/0x400() [ 273.719114] [<ffffffff8137c334>] ? drm_ioctl+0x394/0x450 [ 273.719159] [drm] Disabling audio support [ 274.411517] [drm] ring test succeeded in 1 usecs [ 274.588784] [drm:r600_ib_test] *ERROR* radeon: ib test failed (scratch(0x8504)=0xCAFEDEAD) [ 274.588787] [drm:rv770_resume] *ERROR* radeon: failed testing IB (-22). [ 290.090036] WARNING: at drivers/gpu/drm/radeon/radeon_fence.c:246 radeon_fence_wait+0x3a6/0x400() [ 290.090103] [<ffffffff8137c334>] ? drm_ioctl+0x394/0x450 [ 290.779828] [drm] ring test succeeded in 1 usecs [ 290.957091] [drm:r600_ib_test] *ERROR* radeon: ib test failed (scratch(0x8504)=0xCAFEDEAD) [ 290.957094] [drm:rv770_resume] *ERROR* radeon: failed testing IB (-22). [ 306.459037] WARNING: at drivers/gpu/drm/radeon/radeon_fence.c:246 radeon_fence_wait+0x3a6/0x400() [ 306.459105] [<ffffffff8137c334>] ? drm_ioctl+0x394/0x450 [ 307.153106] [drm] ring test succeeded in 1 usecs [ 307.330842] [drm:r600_ib_test] *ERROR* radeon: ib test failed (scratch(0x8504)=0xCAFEDEAD) [ 307.330845] [drm:rv770_resume] *ERROR* radeon: failed testing IB (-22). -- Configure bugmail: https://bugzilla.kernel.org/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are watching the assignee of the bug. ------------------------------------------------------------------------------ What Every C/C++ and Fortran developer Should Know! 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