Hi, On Tue, Jan 05, 2021 at 12:12:13PM +0800, Huang Rui wrote: > I am reproducing this issue as well, are you using a Raven board? I have no clue what Raven is. The workstation I triggered it once on, has: [ 7.563968] [drm] radeon kernel modesetting enabled. [ 7.581417] [drm] initializing kernel modesetting (CAICOS 0x1002:0x6779 0x174B:0xE164 0x00). [ 7.609217] [drm] Detected VRAM RAM=2048M, BAR=256M [ 7.614031] [drm] RAM width 64bits DDR [ 7.639665] [drm] radeon: 2048M of VRAM memory ready [ 7.644557] [drm] radeon: 1024M of GTT memory ready. [ 7.649451] [drm] Loading CAICOS Microcode [ 7.653548] [drm] Internal thermal controller without fan control [ 7.661221] [drm] radeon: dpm initialized [ 7.665227] [drm] GART: num cpu pages 262144, num gpu pages 262144 [ 7.671821] [drm] enabling PCIE gen 2 link speeds, disable with radeon.pcie_gen2=0 [ 7.703858] [drm] PCIE GART of 1024M enabled (table at 0x0000000000162000). [ 7.749689] [drm] radeon: irq initialized. [ 7.769826] [drm] ring test on 0 succeeded in 1 usecs [ 7.774797] [drm] ring test on 3 succeeded in 3 usecs [ 7.955500] [drm] ring test on 5 succeeded in 1 usecs [ 7.960468] [drm] UVD initialized successfully. [ 7.965047] [drm] ib test on ring 0 succeeded in 0 usecs [ 7.970316] [drm] ib test on ring 3 succeeded in 0 usecs [ 8.626877] [drm] ib test on ring 5 succeeded [ 8.631376] [drm] Radeon Display Connectors [ 8.635496] [drm] Connector 0: [ 8.638503] [drm] HDMI-A-1 [ 8.641339] [drm] HPD2 [ 8.643835] [drm] DDC: 0x6440 0x6440 0x6444 0x6444 0x6448 0x6448 0x644c 0x644c [ 8.651102] [drm] Encoders: [ 8.654022] [drm] DFP1: INTERNAL_UNIPHY1 [ 8.658224] [drm] Connector 1: [ 8.661232] [drm] DVI-D-1 [ 8.663982] [drm] HPD4 [ 8.666479] [drm] DDC: 0x6460 0x6460 0x6464 0x6464 0x6468 0x6468 0x646c 0x646c [ 8.673745] [drm] Encoders: [ 8.676665] [drm] DFP2: INTERNAL_UNIPHY [ 8.680782] [drm] Connector 2: [ 8.683789] [drm] VGA-1 [ 8.686369] [drm] DDC: 0x6430 0x6430 0x6434 0x6434 0x6438 0x6438 0x643c 0x643c [ 8.693636] [drm] Encoders: [ 8.696555] [drm] CRT1: INTERNAL_KLDSCP_DAC1 [ 8.788923] [drm] fb mappable at 0xE0363000 [ 8.793036] [drm] vram apper at 0xE0000000 [ 8.797064] [drm] size 9216000 [ 8.800071] [drm] fb depth is 24 [ 8.803249] [drm] pitch is 7680 [ 8.807106] fbcon: radeondrmfb (fb0) is primary device [ 8.918927] radeon 0000:1d:00.0: [drm] fb0: radeondrmfb frame buffer device [ 8.938461] [drm] Initialized radeon 2.50.0 20080528 for 0000:1d:00.0 on minor 0 HTH. -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel