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Old 02-02-2008, 01:53 PM
Kurt Roeckx
 
Default Bug#398948: intelfb not working

I'm having simular problems.

I've tried booting with parameters like:
video:intelfb:mode=1024x768-8@70

But it never seems to be loading the intelfb module.

When I modprobe it, I always get this:
intelfb: Framebuffer driver for Intel(R) 830M/845G/852GM/855GM/865G/915G/915GM/945G/945GM chipsets
intelfb: Version 0.9.4
intelfb: 00:02.0: Intel(R) 830M, aperture size 128MB, stolen memory 892kB
intelfb: Non-CRT device is enabled ( DVO port A ). Disabling mode switching.
intelfb: Video mode must be programmed at boot time.

And it's not creating a /dev/fb0 at that time.

The "Video mode must be programmed at boot time" also doesn't seem
to match the documentation or the rest of this bug report.

I'm trying this with a 2.6.23/24 kernel.

# lspci
00:00.0 Host bridge: Intel Corporation 82830 830 Chipset Host Bridge (rev 03)
00:02.0 VGA compatible controller: Intel Corporation 82830 CGC [Chipset Graphics Controller] (rev 03)
00:02.1 Display controller: Intel Corporation 82830 CGC [Chipset Graphics Controller]
00:1d.0 USB Controller: Intel Corporation 82801CA/CAM USB Controller #1 (rev 01)00:1d.1 USB Controller: Intel Corporation 82801CA/CAM USB Controller #2 (rev 01)00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev 41)
00:1f.0 ISA bridge: Intel Corporation 82801CAM ISA Bridge (LPC) (rev 01)
00:1f.1 IDE interface: Intel Corporation 82801CAM IDE U100 Controller (rev 01)
00:1f.5 Multimedia audio controller: Intel Corporation 82801CA/CAM AC'97 Audio Controller (rev 01)
00:1f.6 Modem: Intel Corporation 82801CA/CAM AC'97 Modem Controller (rev 01)
01:03.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8139/8139C/8139C+ (rev 10)
01:05.0 CardBus bridge: Ricoh Co Ltd RL5c475 (rev 80)
01:06.0 FireWire (IEEE 1394): Texas Instruments TSB43AB21 IEEE-1394a-2000 Controller (PHY/Link)

# lspci -n -vvxxx -s 00:02
00:02.0 0300: 8086:3577 (rev 03) (prog-if 00 [VGA controller])
Subsystem: 1043:1492
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort-
<MAbort- >SERR- <PERR- INTx-
Latency: 0
Interrupt: pin A routed to IRQ 10
Region 0: Memory at f0000000 (32-bit, prefetchable) [size=128M]
Region 1: Memory at e7800000 (32-bit, non-prefetchable) [size=512K]
Capabilities: [d0] Power Management version 1
Flags: PMEClk- DSI+ D1+ D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-)
Status: D0 PME-Enable- DSel=0 DScale=0 PME-
Kernel modules: intelfb
00: 86 80 77 35 07 00 90 00 03 00 00 03 00 00 80 00
10: 08 00 00 f0 00 00 80 e7 00 00 00 00 00 00 00 00
20: 00 00 00 00 00 00 00 00 00 00 00 00 43 10 92 14
30: 00 00 00 00 d0 00 00 00 00 00 00 00 0a 01 00 00
40: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
50: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
60: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
70: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
90: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
d0: 01 00 21 02 00 00 00 00 80 80 13 21 00 00 00 00
e0: 2a 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00

00:02.1 0380: 8086:3577
Subsystem: 1043:1492
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort-
<MAbort- >SERR- <PERR- INTx-
Latency: 0 (2500ns max)
Region 0: Memory at e8000000 (32-bit, prefetchable) [size=128M]
Region 1: Memory at e7000000 (32-bit, non-prefetchable) [size=512K]
Capabilities: [d0] Power Management version 1
Flags: PMEClk- DSI+ D1+ D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-)
Status: D0 PME-Enable- DSel=0 DScale=0 PME-
00: 86 80 77 35 07 00 90 00 00 00 80 03 00 00 80 00
10: 08 00 00 e8 00 00 00 e7 00 00 00 00 00 00 00 00
20: 00 00 00 00 00 00 00 00 00 00 00 00 43 10 92 14
30: 00 00 00 00 d0 00 00 00 00 00 00 00 00 00 00 0a
40: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
50: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
60: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
70: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
90: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
d0: 01 00 21 02 00 00 00 00 80 80 13 21 00 00 00 00
e0: 2a 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00



Kurt




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