On Tue, 2014-10-14 at 13:20 -0700, Ralf-Peter Rohbeck wrote: > running 3.17-rc5 on this Supermicro system causes the text console to fail. > The last output is > fb: switching to mgag200drmfb from simple > and from then on the text console is dead. X (kdm) works though. > kern.log shows > Oct 14 12:52:12 Volante kernel: [ 21.739574] fb: switching to mgag200drmfb > from simple > Oct 14 12:52:12 Volante kernel: [ 21.763417] Console: switching to colour > dummy device 80x25 > Oct 14 12:52:12 Volante kernel: [ 21.763781] [drm:mga_vram_init] *ERROR* > can't reserve VRAM > Oct 14 12:52:12 Volante kernel: [ 21.763788] mgag200 0000:06:04.0: Fatal > error during GPU init: -6
Some useful information about this system:
[...]
> ** Model information
> sys_vendor: Supermicro
> product_name: X8DAH
> product_version: 1234567890
> chassis_vendor: Supermicro
> chassis_version: 1234567890
> bios_vendor: American Megatrends Inc.
> bios_version: 2.0a
> board_vendor: Supermicro
> board_name: X8DAH
> board_version: 1234567890
[...]
> 06:04.0 VGA compatible controller [0300]: Matrox Electronics Systems Ltd. MGA
> G200eW WPCM450 [102b:0532] (rev 0a) (prog-if 00 [VGA controller])
> Subsystem: Super Micro Computer Inc Device [15d9:0100]
> Control: I/O+ Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr-
> Stepping- SERR- FastB2B- DisINTx-
> Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort-
> <TAbort- <MAbort- >SERR- <PERR- INTx-
> Interrupt: pin A routed to IRQ 16
> Region 0: Memory at f9000000 (32-bit, prefetchable) [size=16M]
> Region 1: Memory at faffc000 (32-bit, non-prefetchable) [size=16K]
> Region 2: Memory at fb000000 (32-bit, non-prefetchable) [size=8M]
> Expansion ROM at <unassigned> [disabled]
> Capabilities: [dc] Power Management version 1
> Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA
> PME(D0-,D1-,D2-,D3hot-,D3cold-)
> Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME-
[...]
--
Ben Hutchings
Horngren's Observation:
Among economists, the real world is often a special case.
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