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Subject: Re: 2.6.13.1 locks machine after some time, 2.6.12.5 work fine
From: Norbert Kiesel <nkiesel@tbdnetworks.com>
To: Linus Torvalds <torvalds@osdl.org>
Cc: linux-kernel@vger.kernel.org
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On Tue, 2005-09-13 at 07:25 -0700, Linus Torvalds wrote:
>=20
> On Mon, 12 Sep 2005, Norbert Kiesel wrote:
> >=20
> > diff is appended.  Regarding the -rc3 and friends, currently I can't as
> > I jumped directly from 12.5 to 13.  This is my desktop at work, so I
> > try to keep it somewhat stable.  However, if you have a guess which
> > versions to try, I can give it a spin.  It takes some time though to
> > test, as the lockup normally only happens after 1 hour or so (although
> > I could propably speed this up by doing lots of disk IO).
>=20
> No need. The numbers made it clear: this is the same bug that hit the=20
> hpt366 driver:
>=20
> 	 0000:00:10.0 RAID bus controller: Silicon Image, Inc. SiI 0649
> 			Ultra ATA/100 PCI to ATA Host Controller (rev 01)
> 	 ...
> 	 00: 95 10 49 06 07 00 90 02 01 00 04 01 00 40 00 00
> 	 10: 01 b8 00 00 01 bc 00 00 01 c0 00 00 01 c4 00 00
> 	 20: 01 c8 00 00 00 00 00 00 00 00 00 00 95 10 49 06
> 	-30: 00 00 00 00 60 00 00 00 00 00 00 00 0c 01 02 04
> 	+30: 01 00 00 00 60 00 00 00 00 00 00 00 0c 01 02 04
>=20
> and the exact same cause too.=20
>=20
> I wonder who the _hell_ has been sprinkling these _byte_ writes to the RO=
M
> enable logic around?
>=20
> I bet this will fix it..
>=20
> 		Linus
> ---
> diff --git a/drivers/ide/pci/cmd64x.c b/drivers/ide/pci/cmd64x.c
> --- a/drivers/ide/pci/cmd64x.c
> +++ b/drivers/ide/pci/cmd64x.c
> @@ -608,7 +608,7 @@ static unsigned int __devinit init_chips
> =20
>  #ifdef __i386__
>  	if (dev->resource[PCI_ROM_RESOURCE].start) {
> -		pci_write_config_byte(dev, PCI_ROM_ADDRESS, dev->resource[PCI_ROM_RESO=
URCE].start | PCI_ROM_ADDRESS_ENABLE);
> +		pci_write_config_dword(dev, PCI_ROM_ADDRESS, dev->resource[PCI_ROM_RES=
OURCE].start | PCI_ROM_ADDRESS_ENABLE);
>  		printk(KERN_INFO "%s: ROM enabled at 0x%08lx\n", name, dev->resource[P=
CI_ROM_RESOURCE].start);
>  	}
>  #endif
>=20

Ok, I applied the patch and I'm running it right now, so far so good.
Here is the the output of lspci from the patched 2.6.13.1 (not sure if a
diff to the unpatched 2.6.13.1 or the 2.6.12.5 would be more useful, so
I settled for no diff :-).

0000:00:00.0 Host bridge: VIA Technologies, Inc. VT8363/8365
[KT133/KM133] (rev 02)
	Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B-
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=3Dmedium >TAbort-
<TAbort- <MAbort+ >SERR- <PERR-
	Latency: 0
	Region 0: Memory at e0000000 (32-bit, prefetchable) [size=3D64M]
	Capabilities: [a0] AGP version 2.0
		Status: RQ=3D32 Iso- ArqSz=3D0 Cal=3D0 SBA+ ITACoh- GART64- HTrans- 64bit=
-
FW- AGP3- Rate=3Dx1,x2,x4
		Command: RQ=3D1 ArqSz=3D0 Cal=3D0 SBA+ AGP+ GART64- 64bit- FW- Rate=3Dx1
	Capabilities: [c0] Power Management version 2
		Flags: PMEClk- DSI- D1- D2- AuxCurrent=3D0mA
PME(D0-,D1-,D2-,D3hot-,D3cold-)
		Status: D0 PME-Enable- DSel=3D0 DScale=3D0 PME-
00: 06 11 05 03 06 00 10 22 02 00 00 06 00 00 00 00
10: 08 00 00 e0 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 00 00 00 00
30: 00 00 00 00 a0 00 00 00 00 00 00 00 00 00 00 00

0000:00:01.0 PCI bridge: VIA Technologies, Inc. VT8363/8365 [KT133/KM133
AGP] (prog-if 00 [Normal decode])
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B-
	Status: Cap+ 66MHz+ UDF- FastB2B- ParErr- DEVSEL=3Dmedium >TAbort-
<TAbort- <MAbort+ >SERR- <PERR-
	Latency: 0
	Bus: primary=3D00, secondary=3D01, subordinate=3D01, sec-latency=3D0
	I/O behind bridge: 00009000-00009fff
	Memory behind bridge: e4000000-e5ffffff
	Prefetchable memory behind bridge: d0000000-dfffffff
	BridgeCtl: Parity- SERR- NoISA+ VGA+ MAbort- >Reset- FastB2B-
	Capabilities: [80] Power Management version 2
		Flags: PMEClk- DSI- D1+ D2- AuxCurrent=3D0mA
PME(D0-,D1-,D2-,D3hot-,D3cold-)
		Status: D0 PME-Enable- DSel=3D0 DScale=3D0 PME-
00: 06 11 05 83 07 00 30 22 00 00 04 06 00 00 01 00
10: 00 00 00 00 00 00 00 00 00 01 01 00 90 90 00 00
20: 00 e4 f0 e5 00 d0 f0 df 00 00 00 00 00 00 00 00
30: 00 00 00 00 80 00 00 00 00 00 00 00 00 00 0c 00

0000:00:07.0 ISA bridge: VIA Technologies, Inc. VT82C686 [Apollo Super
South] (rev 22)
	Subsystem: VIA Technologies, Inc. VT82C686/A PCI to ISA Bridge
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping+ SERR- FastB2B-
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=3Dmedium >TAbort-
<TAbort- <MAbort- >SERR- <PERR-
	Latency: 0
00: 06 11 86 06 87 00 10 02 22 00 01 06 00 00 80 00
10: 00 00 00 00 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 06 11 00 00
30: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00

0000:00:07.1 IDE interface: VIA Technologies, Inc.
VT82C586A/B/VT82C686/A/B/VT823x/A/C PIPC Bus Master IDE (rev 10)
(prog-if 8a [Master SecP PriP])
	Subsystem: VIA Technologies, Inc.
VT82C586/B/VT82C686/A/B/VT8233/A/C/VT8235 PIPC Bus Master IDE
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B-
	Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=3Dmedium >TAbort-
<TAbort- <MAbort- >SERR- <PERR-
	Latency: 32
	Region 4: I/O ports at a000 [size=3D16]
	Capabilities: [c0] Power Management version 2
		Flags: PMEClk- DSI- D1- D2- AuxCurrent=3D0mA
PME(D0-,D1-,D2-,D3hot-,D3cold-)
		Status: D0 PME-Enable- DSel=3D0 DScale=3D0 PME-
00: 06 11 71 05 07 00 90 02 10 8a 01 01 00 20 00 00
10: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
20: 01 a0 00 00 00 00 00 00 00 00 00 00 06 11 71 05
30: 00 00 00 00 c0 00 00 00 00 00 00 00 ff 00 00 00

0000:00:07.2 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB
1.1 Controller (rev 10) (prog-if 00 [UHCI])
	Subsystem: VIA Technologies, Inc. (Wrong ID) USB Controller
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B-
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=3Dmedium >TAbort-
<TAbort- <MAbort- >SERR- <PERR-
	Latency: 32, Cache Line Size: 0x08 (32 bytes)
	Interrupt: pin D routed to IRQ 12
	Region 4: I/O ports at a400 [size=3D32]
	Capabilities: [80] Power Management version 2
		Flags: PMEClk- DSI- D1- D2- AuxCurrent=3D0mA
PME(D0-,D1-,D2-,D3hot-,D3cold-)
		Status: D0 PME-Enable- DSel=3D0 DScale=3D0 PME-
00: 06 11 38 30 07 00 10 02 10 00 03 0c 08 20 00 00
10: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
20: 01 a4 00 00 00 00 00 00 00 00 00 00 25 09 34 12
30: 00 00 00 00 80 00 00 00 00 00 00 00 0c 04 00 00

0000:00:07.3 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB
1.1 Controller (rev 10) (prog-if 00 [UHCI])
	Subsystem: VIA Technologies, Inc. (Wrong ID) USB Controller
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B-
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=3Dmedium >TAbort-
<TAbort- <MAbort- >SERR- <PERR-
	Latency: 32, Cache Line Size: 0x08 (32 bytes)
	Interrupt: pin D routed to IRQ 12
	Region 4: I/O ports at a800 [size=3D32]
	Capabilities: [80] Power Management version 2
		Flags: PMEClk- DSI- D1- D2- AuxCurrent=3D0mA
PME(D0-,D1-,D2-,D3hot-,D3cold-)
		Status: D0 PME-Enable- DSel=3D0 DScale=3D0 PME-
00: 06 11 38 30 07 00 10 02 10 00 03 0c 08 20 00 00
10: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
20: 01 a8 00 00 00 00 00 00 00 00 00 00 25 09 34 12
30: 00 00 00 00 80 00 00 00 00 00 00 00 0c 04 00 00

0000:00:07.4 Bridge: VIA Technologies, Inc. VT82C686 [Apollo Super ACPI]
(rev 30)
	Control: I/O- Mem- BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B-
	Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=3Dmedium >TAbort-
<TAbort- <MAbort- >SERR- <PERR-
	Interrupt: pin ? routed to IRQ 9
	Capabilities: [68] Power Management version 2
		Flags: PMEClk- DSI- D1- D2- AuxCurrent=3D0mA
PME(D0-,D1-,D2-,D3hot-,D3cold-)
		Status: D0 PME-Enable- DSel=3D0 DScale=3D0 PME-
00: 06 11 57 30 00 00 90 02 30 00 80 06 00 00 00 00
10: 00 00 00 00 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 00 00 00 00
30: 00 00 00 00 68 00 00 00 00 00 00 00 00 00 00 00

0000:00:0a.0 Ethernet controller: Accton Technology Corporation
SMC2-1211TX (rev 10)
	Subsystem: Accton Technology Corporation EN-1207D Fast Ethernet Adapter
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B-
	Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=3Dmedium >TAbort-
<TAbort- <MAbort- >SERR- <PERR-
	Latency: 32 (8000ns min, 16000ns max)
	Interrupt: pin A routed to IRQ 11
	Region 0: I/O ports at ac00 [size=3D256]
	Region 1: Memory at e7001000 (32-bit, non-prefetchable) [size=3D256]
	Capabilities: [50] Power Management version 1
		Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=3D0mA PME(D0-,D1+,D2+,D3hot
+,D3cold+)
		Status: D0 PME-Enable- DSel=3D0 DScale=3D0 PME-
00: 13 11 11 12 07 00 90 02 10 00 00 02 00 20 00 00
10: 01 ac 00 00 00 10 00 e7 00 00 00 00 00 00 00 00
20: 00 00 00 00 00 00 00 00 00 00 00 00 13 11 11 12
30: 00 00 00 00 50 00 00 00 00 00 00 00 0b 01 20 40

0000:00:0b.0 Ethernet controller: 3Com Corporation 3c905B 100BaseTX
[Cyclone] (rev 30)
	Subsystem: 3Com Corporation 3C905B Fast Etherlink XL 10/100
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B-
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=3Dmedium >TAbort-
<TAbort- <MAbort- >SERR- <PERR-
	Latency: 32 (2500ns min, 2500ns max), Cache Line Size: 0x08 (32 bytes)
	Interrupt: pin A routed to IRQ 10
	Region 0: I/O ports at b000 [size=3D128]
	Region 1: Memory at e7000000 (32-bit, non-prefetchable) [size=3D128]
	Expansion ROM at 40080000 [disabled] [size=3D128K]
	Capabilities: [dc] Power Management version 1
		Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=3D0mA PME(D0-,D1+,D2+,D3hot
+,D3cold-)
		Status: D0 PME-Enable- DSel=3D0 DScale=3D0 PME-
00: b7 10 55 90 07 00 10 02 30 00 00 02 08 20 00 00
10: 01 b0 00 00 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 b7 10 55 90
30: 00 00 00 00 dc 00 00 00 00 00 00 00 0a 01 0a 0a

0000:00:0f.0 Multimedia audio controller: C-Media Electronics Inc CM8738
(rev 10)
	Subsystem: C-Media Electronics Inc CMI8738/C3DX PCI Audio Device
	Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B-
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=3Dmedium >TAbort-
<TAbort- <MAbort- >SERR- <PERR-
	Latency: 32 (500ns min, 6000ns max)
	Interrupt: pin A routed to IRQ 10
	Region 0: I/O ports at b400 [size=3D256]
	Capabilities: [c0] Power Management version 2
		Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=3D0mA
PME(D0-,D1-,D2-,D3hot-,D3cold-)
		Status: D0 PME-Enable- DSel=3D0 DScale=3D0 PME-
00: f6 13 11 01 05 00 10 02 10 00 01 04 00 20 00 00
10: 01 b4 00 00 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 f6 13 11 01
30: 00 00 00 00 c0 00 00 00 00 00 00 00 0a 01 02 18

0000:00:10.0 RAID bus controller: Silicon Image, Inc. SiI 0649 Ultra
ATA/100 PCI to ATA Host Controller (rev 01)
	Subsystem: Silicon Image, Inc. SiI 0649 Ultra ATA/100 PCI to ATA Host
Controller
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B-
	Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=3Dmedium >TAbort-
<TAbort- <MAbort- >SERR- <PERR-
	Latency: 64 (500ns min, 1000ns max)
	Interrupt: pin A routed to IRQ 12
	Region 0: I/O ports at b800 [size=3D8]
	Region 1: I/O ports at bc00 [size=3D4]
	Region 2: I/O ports at c000 [size=3D8]
	Region 3: I/O ports at c400 [size=3D4]
	Region 4: I/O ports at c800 [size=3D16]
	Expansion ROM at 40000000 [disabled] [size=3D512K]
	Capabilities: [60] Power Management version 2
		Flags: PMEClk- DSI+ D1+ D2+ AuxCurrent=3D0mA
PME(D0-,D1-,D2-,D3hot-,D3cold-)
		Status: D0 PME-Enable- DSel=3D0 DScale=3D3 PME-
00: 95 10 49 06 07 00 90 02 01 00 04 01 00 40 00 00
10: 01 b8 00 00 01 bc 00 00 01 c0 00 00 01 c4 00 00
20: 01 c8 00 00 00 00 00 00 00 00 00 00 95 10 49 06
30: 01 00 00 40 60 00 00 00 00 00 00 00 0c 01 02 04

0000:01:00.0 VGA compatible controller: ATI Technologies Inc RV280
[Radeon 9200 PRO] (rev 01) (prog-if 00 [VGA])
	Subsystem: Hightech Information System Ltd.: Unknown device 5960
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B-
	Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=3Dmedium >TAbort-
<TAbort- <MAbort- >SERR- <PERR-
	Latency: 32 (2000ns min), Cache Line Size: 0x08 (32 bytes)
	Interrupt: pin A routed to IRQ 5
	Region 0: Memory at d0000000 (32-bit, prefetchable) [size=3D128M]
	Region 1: I/O ports at 9000 [size=3D256]
	Region 2: Memory at e5000000 (32-bit, non-prefetchable) [size=3D64K]
	Expansion ROM at e4000000 [disabled] [size=3D128K]
	Capabilities: [58] AGP version 2.0
		Status: RQ=3D80 Iso- ArqSz=3D0 Cal=3D0 SBA+ ITACoh- GART64- HTrans- 64bit=
-
FW+ AGP3- Rate=3Dx1,x2,x4
		Command: RQ=3D32 ArqSz=3D0 Cal=3D0 SBA+ AGP+ GART64- 64bit- FW- Rate=3Dx1
	Capabilities: [50] Power Management version 2
		Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=3D0mA
PME(D0-,D1-,D2-,D3hot-,D3cold-)
		Status: D0 PME-Enable- DSel=3D0 DScale=3D0 PME-
00: 02 10 60 59 07 00 b0 02 01 00 00 03 08 20 80 00
10: 08 00 00 d0 01 90 00 00 00 00 00 e5 00 00 00 00
20: 00 00 00 00 00 00 00 00 00 00 00 00 87 17 60 59
30: 00 00 00 00 58 00 00 00 00 00 00 00 05 01 08 00

0000:01:00.1 Display controller: ATI Technologies Inc: Unknown device
5940 (rev 01)
	Subsystem: Hightech Information System Ltd.: Unknown device 5961
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B-
	Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=3Dmedium >TAbort-
<TAbort- <MAbort- >SERR- <PERR-
	Latency: 32 (2000ns min), Cache Line Size: 0x08 (32 bytes)
	Region 0: Memory at d8000000 (32-bit, prefetchable) [size=3D128M]
	Region 1: Memory at e5010000 (32-bit, non-prefetchable) [size=3D64K]
	Capabilities: [50] Power Management version 2
		Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=3D0mA
PME(D0-,D1-,D2-,D3hot-,D3cold-)
		Status: D0 PME-Enable- DSel=3D0 DScale=3D0 PME-
00: 02 10 40 59 07 00 b0 02 01 00 80 03 08 20 00 00
10: 08 00 00 d8 00 00 01 e5 00 00 00 00 00 00 00 00
20: 00 00 00 00 00 00 00 00 00 00 00 00 87 17 61 59
30: 00 00 00 00 50 00 00 00 00 00 00 00 ff 00 08 00


Best,
  Norbert


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