00:00.0 Host bridge: Intel Corporation 82830 830 Chipset Host Bridge (rev 04)
Subsystem: Unknown device 7065:8086
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
Region 0: Memory at <unassigned> (32-bit, prefetchable)
Capabilities: [40] Vendor Specific Information
00:02.0 VGA compatible controller: Intel Corporation 82830 CGC [Chipset Graphics Controller] (rev 04) (prog-if 00 [VGA])
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
Interrupt: pin A routed to IRQ 0
Region 0: Memory at f0000000 (32-bit, prefetchable) [size=128M]
Region 1: Memory at ffa80000 (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-
00:02.1 Display controller: Intel Corporation 82830 CGC [Chipset Graphics Controller]
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
Region 0: Memory at e8000000 (32-bit, prefetchable) [size=128M]
Region 1: Memory at ff980000 (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-
00:1d.0 USB Controller: Intel Corporation 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) USB UHCI Controller #1 (rev 02) (prog-if 00 [UHCI])
Subsystem: Intel Corporation Unknown device 24c0
Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 0
Interrupt: pin A routed to IRQ 7
Region 4: I/O ports at e000 [size=32]
00:1d.1 USB Controller: Intel Corporation 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) USB UHCI Controller #2 (rev 02) (prog-if 00 [UHCI])
Subsystem: Intel Corporation Unknown device 24c0
Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 0
Interrupt: pin B routed to IRQ 5
Region 4: I/O ports at e080 [size=32]
00:1d.2 USB Controller: Intel Corporation 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) USB UHCI Controller #3 (rev 02) (prog-if 00 [UHCI])
Subsystem: Intel Corporation Unknown device 24c0
Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 0
Interrupt: pin C routed to IRQ 9
Region 4: I/O ports at e400 [size=32]
00:1d.7 USB Controller: Intel Corporation 82801DB/DBM (ICH4/ICH4-M) USB2 EHCI Controller (rev 02) (prog-if 20 [EHCI])
Subsystem: Intel Corporation Unknown device 24c0
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B-
Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 0
Interrupt: pin D routed to IRQ 10
Region 0: Memory at ffa7f400 (32-bit, non-prefetchable) [size=1K]
Capabilities: [50] Power Management version 2
Flags: PMEClk- DSI- D1- D2- AuxCurrent=375mA PME(D0+,D1-,D2-,D3hot+,D3cold+)
Status: D0 PME-Enable- DSel=0 DScale=0 PME-
Capabilities: [58] Debug port
00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev 82) (prog-if 00 [Normal decode])
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
Bus: primary=00, secondary=01, subordinate=01, sec-latency=64
I/O behind bridge: 0000d000-0000dfff
Memory behind bridge: ff700000-ff7fffff
Prefetchable memory behind bridge: fff00000-000fffff
Secondary status: 66MHz- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- <SERR- <PERR-
BridgeCtl: Parity- SERR+ NoISA+ VGA- MAbort- >Reset- FastB2B-
00:1f.0 ISA bridge: Intel Corporation 82801DB/DBL (ICH4/ICH4-L) LPC Interface Bridge (rev 02)
Control: I/O+ Mem+ BusMaster+ SpecCycle+ MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B-
Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 0
00:1f.1 IDE interface: Intel Corporation 82801DB (ICH4) IDE Controller (rev 02) (prog-if 8a [Master SecP PriP])
Subsystem: Intel Corporation Unknown device 24c0
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 0
Interrupt: pin A routed to IRQ 9
Region 0: I/O ports at 01f0 [size=8]
Region 1: I/O ports at 03f4 [size=1]
Region 2: I/O ports at 0170 [size=8]
Region 3: I/O ports at 0374 [size=1]
Region 4: I/O ports at ffa0 [size=16]
Region 5: Memory at 10000000 (32-bit, non-prefetchable) [size=1K]
00:1f.3 SMBus: Intel Corporation 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) SMBus Controller (rev 02)
Subsystem: Intel Corporation Unknown device 24c0
Control: I/O+ Mem- BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Interrupt: pin B routed to IRQ 11
Region 4: I/O ports at e480 [size=32]
00:1f.5 Multimedia audio controller: Intel Corporation 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) AC'97 Audio Controller (rev 02)
Subsystem: Intel Corporation Unknown device 24c0
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 0
Interrupt: pin B routed to IRQ 11
Region 0: I/O ports at e800 [size=256]
Region 1: I/O ports at ec00 [size=64]
Region 2: Memory at ffa7fc00 (32-bit, non-prefetchable) [size=512]
Region 3: Memory at ffa7f800 (32-bit, non-prefetchable) [size=256]
Capabilities: [50] Power Management version 2
Flags: PMEClk- DSI- D1- D2- AuxCurrent=375mA PME(D0+,D1-,D2-,D3hot+,D3cold+)
Status: D0 PME-Enable- DSel=0 DScale=0 PME-
01:06.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8139/8139C/8139C+ (rev 10)
Subsystem: Realtek Semiconductor Co., Ltd. RT8139
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B-
Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 64 (8000ns min, 16000ns max)
Interrupt: pin A routed to IRQ 11
Region 0: I/O ports at d800 [size=256]
Region 1: Memory at ff7fdc00 (32-bit, non-prefetchable) [size=256]
Capabilities: [50] Power Management version 2
Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=375mA PME(D0-,D1+,D2+,D3hot+,D3cold+)
Status: D0 PME-Enable- DSel=0 DScale=0 PME-
01:07.0 Network controller: Intel Corporation PRO/Wireless 2915ABG Network Connection (rev 05)
Subsystem: Hewlett-Packard Company Unknown device 1354
Control: I/O- Mem+ BusMaster- SpecCycle- MemWINV+ VGASnoop- ParErr- Stepping- SERR+ FastB2B-
Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Interrupt: pin A routed to IRQ 5
Region 0: Memory at ff7ff000 (32-bit, non-prefetchable) [size=4K]
Capabilities: [dc] Power Management version 2
Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA PME(D0+,D1-,D2-,D3hot+,D3cold+)
Status: D0 PME-Enable- DSel=0 DScale=1 PME-
>
> I sent this mail to David Airlie two weeks ago but I haven't gotten a
> reply so far, that's why I'm posting to LKML this time. Short summary:
> 874808c6dd429f7431b906a32c7f78a68e7636af broke intel_agp.ko for me, I'm
> getting a garbled screen.
I'm travelling, and I'll try and get Zhenyu to take a look at what he
changed.. but he is also travelling...
We probably need two defines..
Dave.
>
>
> --------------------------------
>
> Hello David,
>
> with recent kernels, there seems to be a problem with agpgart for my
> i830m chipset. The upper part of the screen is garbled, e.g. I can make
> out parts of the image that is to be displayed, but it's chopped and
> repeated. The box with which I'm having this problem is a not a regular
> PC, but a x86-based set top box called S100. It's got a fanless Celeron
> 733 MHz and 128M RAM and it's somewhat popular due to its cheapness.
> Just makes a nice living-room computer :) I'll attach the output of
> lspci -vvv.
> FYI, I'm not using the official X.org driver but its IEGD counterpart.
> Unfortunately, the S100 comes with a TV-out encoder chip that's only
> supported by their closed source driver. Since the kernel is not tainted
> by that, it shouldn't be a problem - similar problems also occur with
> X.org drivers.
>
> With working kernels, I'd get the following messages in dmesg:
>
> <--snip-->
> [ 40.188375] agpgart: Detected an Intel 830M Chipset.
> [ 40.188741] agpgart: Detected 380K stolen memory.
> [ 40.199908] agpgart: AGP aperture is 128M @ 0xf0000000
> <--snap-->
>
> A broken kernel will result in the following messages:
>
> <--snip-->
> Jul 25 16:29:42 mythbuntu-alpha2 kernel: [ 44.941473] Linux agpgart
> interface v0.102 (c) Dave Jones
> Jul 25 16:29:42 mythbuntu-alpha2 kernel: [ 44.957021] agpgart:
> Detected an Intel 830M Chipset.
> Jul 25 16:29:42 mythbuntu-alpha2 kernel: [ 44.957605] agpgart: No
> pre-allocated video memory detected.
> Jul 25 16:29:42 mythbuntu-alpha2 kernel: [ 44.968696] agpgart: AGP
> aperture is 128M @ 0xf0000000
> <--snap-->
>
> I used git-bisect to narrow down change that introduced this problem and
> came up with this:
>
> <--snip-->
>
> 874808c6dd429f7431b906a32c7f78a68e7636af is first bad commit
> commit 874808c6dd429f7431b906a32c7f78a68e7636af
> Author: Wang Zhenyu <[email protected]>
> Date: Wed Jun 6 11:16:25 2007 +0800
>
> [AGPGART] intel_agp: Add support for G33, Q33 and Q35 chipsets
>
> This patch adds pci ids for G33, Q33 and Q35 chips, and update with new
> GTT size and stolen mem size detect method on these chips.
>
> Signed-off-by: Wang Zhenyu <[email protected]>
> Signed-off-by: Dave Jones <[email protected]>
>
> :040000 040000 39b18b6860f139cb28a80020dc9347314753e16d
> da24fb8672087cdfe6509cd1d4cb189534f887d6 M drivers
> <--snap-->
>
> Particulary, there's a change to agp.h:
>
> <--snip-->
> -#define I830_GMCH_GMS_MASK 0x70
> +#define I830_GMCH_GMS_MASK 0xF0
> <--snap-->
>
> I reverted this change in my git tree and I'm now running
> 2.6.23-rc3-gb377fd39-dirty without any distortion at all. Do you think
> this can be fixed? I'll be glad to provide more Information. Thank you
> for your time!
>
>
> Regards,
>
> Michael
>
>
>
>
>
> reply so far, that's why I'm posting to LKML this time. Short summary:
> 874808c6dd429f7431b906a32c7f78a68e7636af broke intel_agp.ko for me, I'm
> getting a garbled screen.
Can you try the attached patch?
Dave.
Dave Airlie wrote:
>> reply so far, that's why I'm posting to LKML this time. Short summary:
>> 874808c6dd429f7431b906a32c7f78a68e7636af broke intel_agp.ko for me, I'm
>> getting a garbled screen.
>
> Can you try the attached patch?
>
Hello David,
I haven't been able to try your patch yet. However, two nice people from
the zenega-user forum ("hemonu" and "scythe") tried the patch. It fixed
the garbled screen problem for them.
If that's not good enough for you or if you need additional information,
I can try it myself.
Thanks for your prompt reply!
Michael