Re: NVidia nForce4 + AMD Athlon64 X2 --> no access to north-bridge PCI resources

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On Tue, Nov 08, 2005 at 12:11:41PM -0500, Stephen Frost wrote:
> * Matti Aarnio ([email protected]) wrote:
> > The _very_short_ view of  lspci  output on a problem machine:
> 
> You might want to provide the kernel version.
> 
> sfrost@snowman:/home/sfrost> uname -a         
> Linux snowman 2.6.12-1-amd64-k8-smp #1 SMP Fri Sep 23 13:03:18 CEST 2005 x86_64 GNU/Linux

  Indeed things look like  2.6.12 kernel can find all, but
somewhen since then (2.6.13 variants don't) something has
been changed in PCI bus scanning codes.  Debugging continues.

I have been playing with bleeding edge GITs, and am having this
small problem...

   /Matti Aarnio

(continuing with more quoted material than I usually like..)

> sfrost@snowman:/home/sfrost> lspci            
> 0000:00:00.0 Memory controller: nVidia Corporation CK804 Memory Controller (rev a3)
> 0000:00:01.0 ISA bridge: nVidia Corporation CK804 ISA Bridge (rev a3)
> 0000:00:01.1 SMBus: nVidia Corporation CK804 SMBus (rev a2)
> 0000:00:02.0 USB Controller: nVidia Corporation CK804 USB Controller (rev a2)
> 0000:00:02.1 USB Controller: nVidia Corporation CK804 USB Controller (rev a3)
> 0000:00:04.0 Multimedia audio controller: nVidia Corporation CK804 AC'97 Audio Controller (rev a2)
> 0000:00:06.0 IDE interface: nVidia Corporation CK804 IDE (rev f2)
> 0000:00:07.0 IDE interface: nVidia Corporation CK804 Serial ATA Controller (rev f3)
> 0000:00:08.0 IDE interface: nVidia Corporation CK804 Serial ATA Controller (rev f3)
> 0000:00:09.0 PCI bridge: nVidia Corporation CK804 PCI Bridge (rev a2)
> 0000:00:0a.0 Bridge: nVidia Corporation CK804 Ethernet Controller (rev a3)
> 0000:00:0b.0 PCI bridge: nVidia Corporation CK804 PCIE Bridge (rev a3)
> 0000:00:0c.0 PCI bridge: nVidia Corporation CK804 PCIE Bridge (rev a3)
> 0000:00:0d.0 PCI bridge: nVidia Corporation CK804 PCIE Bridge (rev a3)
> 0000:00:0e.0 PCI bridge: nVidia Corporation CK804 PCIE Bridge (rev a3)
> 0000:00:18.0 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] HyperTransport Technology Configuration
> 0000:00:18.1 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] Address Map
> 0000:00:18.2 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] DRAM Controller
> 0000:00:18.3 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] Miscellaneous Control
> 0000:01:00.0 VGA compatible controller: nVidia Corporation NV40 [GeForce 6800 Ultra/GeForce 6800 GT] (rev a2)
> 0000:05:07.0 Multimedia audio controller: Creative Labs SB Audigy (rev 04)
> 0000:05:07.1 Input device controller: Creative Labs SB Audigy MIDI/Game port (rev 04)
> 0000:05:07.2 FireWire (IEEE 1394): Creative Labs SB Audigy FireWire Port (rev 04)
> 0000:05:0b.0 FireWire (IEEE 1394): Texas Instruments TSB43AB22/A IEEE-1394a-2000 Controller (PHY/Link)
> 0000:05:0c.0 Ethernet controller: Marvell Technology Group Ltd. 88E8001 Gigabit Ethernet Controller (rev 13)
> 
> sfrost@snowman:/home/sfrost> cat /proc/cpuinfo
> processor       : 0
> vendor_id       : AuthenticAMD
> cpu family      : 15
> model           : 35
> model name      : AMD Athlon(tm) 64 X2 Dual Core Processor 4400+
> stepping        : 2
> cpu MHz         : 2211.375
> cache size      : 1024 KB
> physical id     : 0
> siblings        : 2
> core id         : 0
> cpu cores       : 2
> fpu             : yes
> fpu_exception   : yes
> cpuid level     : 1
> wp              : yes
> flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt lm 3dnowext 3dnow pni lahf_lm cmp_legacy
> bogomips        : 4374.52
> TLB size        : 1024 4K pages
> clflush size    : 64
> cache_alignment : 64
> address sizes   : 40 bits physical, 48 bits virtual
> power management: ts fid vid ttp
> 
> processor       : 1
> vendor_id       : AuthenticAMD
> cpu family      : 15
> model           : 35
> model name      : AMD Athlon(tm) 64 X2 Dual Core Processor 4400+
> stepping        : 2
> cpu MHz         : 2211.375
> cache size      : 1024 KB
> physical id     : 0
> siblings        : 2
> core id         : 1
> cpu cores       : 2
> fpu             : yes
> fpu_exception   : yes
> cpuid level     : 1
> wp              : yes
> flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt lm 3dnowext 3dnow pni lahf_lm cmp_legacy
> bogomips        : 4407.29
> TLB size        : 1024 4K pages
> clflush size    : 64
> cache_alignment : 64
> address sizes   : 40 bits physical, 48 bits virtual
> power management: ts fid vid ttp
> 
> However, it seems things changed under 2.6.14...
> 
> sfrost@snowman:/home/sfrost> uname -a
> Linux snowman 2.6.14-1-amd64-k8-smp #1 SMP Wed Nov 2 20:53:55 CET 2005 x86_64 GNU/Linux
> sfrost@snowman:/home/sfrost> lspci
> 0000:00:00.0 Memory controller: nVidia Corporation CK804 Memory Controller (rev a3)
> 0000:00:01.0 ISA bridge: nVidia Corporation CK804 ISA Bridge (rev a3)
> 0000:00:01.1 SMBus: nVidia Corporation CK804 SMBus (rev a2)
> 0000:00:02.0 USB Controller: nVidia Corporation CK804 USB Controller (rev a2)
> 0000:00:02.1 USB Controller: nVidia Corporation CK804 USB Controller (rev a3)
> 0000:00:04.0 Multimedia audio controller: nVidia Corporation CK804 AC'97 Audio Controller (rev a2)
> 0000:00:06.0 IDE interface: nVidia Corporation CK804 IDE (rev f2)
> 0000:00:07.0 IDE interface: nVidia Corporation CK804 Serial ATA Controller (rev f3)
> 0000:00:08.0 IDE interface: nVidia Corporation CK804 Serial ATA Controller (rev f3)
> 0000:00:09.0 PCI bridge: nVidia Corporation CK804 PCI Bridge (rev a2)
> 0000:00:0a.0 Bridge: nVidia Corporation CK804 Ethernet Controller (rev a3)
> 0000:00:0b.0 PCI bridge: nVidia Corporation CK804 PCIE Bridge (rev a3)
> 0000:00:0c.0 PCI bridge: nVidia Corporation CK804 PCIE Bridge (rev a3)
> 0000:00:0d.0 PCI bridge: nVidia Corporation CK804 PCIE Bridge (rev a3)
> 0000:00:0e.0 PCI bridge: nVidia Corporation CK804 PCIE Bridge (rev a3)
> 0000:01:00.0 VGA compatible controller: nVidia Corporation NV40 [GeForce 6800 Ultra/GeForce 6800 GT] (rev a2)
> 0000:05:07.0 Multimedia audio controller: Creative Labs SB Audigy (rev 04)
> 0000:05:07.1 Input device controller: Creative Labs SB Audigy MIDI/Game port (rev 04)
> 0000:05:07.2 FireWire (IEEE 1394): Creative Labs SB Audigy FireWire Port (rev 04)
> 0000:05:0b.0 FireWire (IEEE 1394): Texas Instruments TSB43AB22/A IEEE-1394a-2000 Controller (PHY/Link)
> 0000:05:0c.0 Ethernet controller: Marvell Technology Group Ltd. 88E8001 Gigabit Ethernet Controller (rev 13)
> 
> sfrost@snowman:/home/sfrost> cat /proc/cpuinfo
> processor       : 0
> vendor_id       : AuthenticAMD
> cpu family      : 15
> model           : 35
> model name      : AMD Athlon(tm) 64 X2 Dual Core Processor 4400+
> stepping        : 2
> cpu MHz         : 2211.382
> cache size      : 1024 KB
> physical id     : 0
> siblings        : 2
> core id         : 0
> cpu cores       : 2
> fpu             : yes
> fpu_exception   : yes
> cpuid level     : 1
> wp              : yes
> flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mm x fxsr sse sse2 ht syscall nx mmxext fxsr_opt lm 3dnowext 3dnow pni lahf_lm cmp_legacy
> bogomips        : 4425.45
> TLB size        : 1024 4K pages
> clflush size    : 64
> cache_alignment : 64
> address sizes   : 40 bits physical, 48 bits virtual
> power management: ts fid vid ttp
> 
> processor       : 1
> vendor_id       : AuthenticAMD
> cpu family      : 15
> model           : 35
> model name      : AMD Athlon(tm) 64 X2 Dual Core Processor 4400+
> stepping        : 2
> cpu MHz         : 2211.382
> cache size      : 1024 KB
> physical id     : 0
> siblings        : 2
> core id         : 1
> cpu cores       : 2
> fpu             : yes
> fpu_exception   : yes
> cpuid level     : 1
> wp              : yes
> flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mm x fxsr sse sse2 ht syscall nx mmxext fxsr_opt lm 3dnowext 3dnow pni lahf_lm cmp_legacy
> bogomips        : 4422.04
> TLB size        : 1024 4K pages
> clflush size    : 64
> cache_alignment : 64
> address sizes   : 40 bits physical, 48 bits virtual
> power management: ts fid vid ttp
> 
> Enjoy..
> 
> 	Stephen


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