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:

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** 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

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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-

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