My machine is substantially slower with KMS than with the old UMS. 3D games are simply not playable. Video stalls while audio keeps going. Opening terminal windows is slower. Without KMS, everything works smoothly. Any idea where to start troubleshooting this?
Details:
Debian Squeeze
Ati X1550
Sempron CPU 2800
ASUS K8V-MX mobo
Details:
Debian Squeeze
Ati X1550
Sempron CPU 2800
ASUS K8V-MX mobo
Code:
~$ dmesg | grep drm [ 5.542584] [drm] Initialized drm 1.1.0 20060810 [ 5.682532] [drm] radeon kernel modesetting enabled. [ 5.687694] [drm] radeon: Initializing kernel modesetting. [ 5.687770] [drm] register mmio base: 0xFBE00000 [ 5.687772] [drm] register mmio size: 65536 [ 5.693032] [drm] GPU reset succeed (RBBM_STATUS=0x10000140) [ 5.693058] [drm] Generation 2 PCI interface, using max accessible memory [ 5.693168] [drm] radeon: VRAM 256M [ 5.693170] [drm] radeon: VRAM from 0x00000000 to 0x0FFFFFFF [ 5.693173] [drm] radeon: GTT 64M [ 5.693175] [drm] radeon: GTT from 0xDC000000 to 0xDFFFFFFF [ 5.693245] [drm] radeon: using MSI. [ 5.693276] [drm] radeon: irq initialized. [ 5.693361] [drm] Detected VRAM RAM=256M, BAR=256M [ 5.693365] [drm] RAM width 128bits DDR [ 5.693472] [drm] radeon: 256M of VRAM memory ready [ 5.693475] [drm] radeon: 64M of GTT memory ready. [ 5.693503] [drm] GART: num cpu pages 16384, num gpu pages 16384 [ 5.696036] [drm] RB2D reset succeed (RBBM_STATUS=0x10000140) [ 5.696056] [drm] radeon: 1 quad pipes, 1 z pipes initialized. [ 5.696084] [drm] radeon: cp idle (0x10000C03) [ 5.696141] [drm] Loading R500 Microcode [ 5.933550] [drm] radeon: ring at 0x00000000DC000000 [ 5.933584] [drm] ring test succeeded in 6 usecs [ 5.935651] [drm] radeon: ib pool ready. [ 7.932018] [drm] ib test succeeded in 0 usecs [ 7.932177] [drm] Default TV standard: PAL [ 7.932263] [drm] Radeon Display Connectors [ 7.932266] [drm] Connector 0: [ 7.932268] [drm] VGA [ 7.932271] [drm] DDC: 0x7e40 0x7e40 0x7e44 0x7e44 0x7e48 0x7e48 0x7e4c 0x7e4c [ 7.932273] [drm] Encoders: [ 7.932275] [drm] CRT1: INTERNAL_KLDSCP_DAC1 [ 7.932278] [drm] Connector 1: [ 7.932279] [drm] S-video [ 7.932281] [drm] Encoders: [ 7.932283] [drm] TV1: INTERNAL_KLDSCP_DAC2 [ 7.932285] [drm] Connector 2: [ 7.932287] [drm] DVI-I [ 7.932289] [drm] HPD2 [ 7.932292] [drm] DDC: 0x7e50 0x7e50 0x7e54 0x7e54 0x7e58 0x7e58 0x7e5c 0x7e5c [ 7.932294] [drm] Encoders: [ 7.932296] [drm] CRT2: INTERNAL_KLDSCP_DAC2 [ 7.932298] [drm] DFP3: INTERNAL_LVTM1 [ 8.127672] [drm] fb mappable at 0xE0050000 [ 8.127675] [drm] vram apper at 0xE0000000 [ 8.127677] [drm] size 3145728 [ 8.127679] [drm] fb depth is 24 [ 8.127681] [drm] pitch is 4096 [ 8.244201] fb0: radeondrmfb frame buffer device [ 8.244211] [drm] Initialized radeon 2.0.0 20080528 for 0000:01:00.0 on minor 0
Comment