Running on a Intel Core 2 Duo, with 4G of memory.
If I enable BIOS remapping (to allow used of all the memory)
then the system boots but dies when X starts. If I turn off remapping
(so system only hase 3.5G of memory), then everything is fine.
Looks like something in the video (DRM) drivers can't handle > 4G of memory.
System is running 2.6.20-rc6 with drm and radeon modules.
Video card info:
06:00.0 VGA compatible controller: ATI Technologies Inc RV370 5B60 [Radeon X300
(PCIE)] (prog-if 00 [VGA])
Subsystem: VISIONTEK Unknown device 0401
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B-
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort-
<MAbort- >SERR- <PERR-
Latency: 0, Cache Line Size: 16 bytes
Interrupt: pin A routed to IRQ 16
Region 0: Memory at e0000000 (32-bit, prefetchable) [size=128M]
Region 1: I/O ports at c800 [size=256]
Region 2: Memory at ff9f0000 (32-bit, non-prefetchable) [size=64K]
Expansion ROM at ff9c0000 [disabled] [size=128K]
Capabilities: <access denied>
00: 02 10 60 5b 07 00 10 00 00 00 00 03 04 00 80 00
10: 08 00 00 e0 01 c8 00 00 00 00 9f ff 00 00 00 00
20: 00 00 00 00 00 00 00 00 00 00 00 00 45 15 01 04
30: 00 00 9c ff 50 00 00 00 00 00 00 00 0a 01 00 00
06:00.1 Display controller: ATI Technologies Inc RV370 [Radeon X300SE]
Subsystem: VISIONTEK Unknown device 0400
Control: I/O- Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B-
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort-
<MAbort- >SERR- <PERR-
Latency: 0, Cache Line Size: 16 bytes
Region 0: Memory at ff9e0000 (32-bit, non-prefetchable) [disabled]
[size=64K]
Capabilities: <access denied>
00: 02 10 70 5b 04 00 10 00 00 00 80 03 04 00 00 00
10: 00 00 9e ff 00 00 00 00 00 00 00 00 00 00 00 00
20: 00 00 00 00 00 00 00 00 00 00 00 00 45 15 00 04
30: 00 00 00 00 50 00 00 00 00 00 00 00 ff 00 00 00
--
Stephen Hemminger <[EMAIL PROTECTED]>
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