H. Peter Anvin writes: > Can you send me /proc/cpuinfo and /proc/iomem from this box? This is from 2.6.31-rc1 with the commit commented out. processor : 0 vendor_id : GenuineIntel cpu family : 6 model : 15 model name : Intel(R) Core(TM)2 CPU 6600 @ 2.40GHz stepping : 6 cpu MHz : 1596.000 cache size : 4096 KB physical id : 0 siblings : 2 core id : 0 cpu cores : 2 apicid : 0 initial apicid : 0 fdiv_bug : no hlt_bug : no f00f_bug : no coma_bug : no fpu : yes fpu_exception : yes cpuid level : 10 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe nx lm constant_tsc arch_perfmon pebs bts pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm lahf_lm tpr_shadow bogomips : 4799.81 clflush size : 64 power management: processor : 1 vendor_id : GenuineIntel cpu family : 6 model : 15 model name : Intel(R) Core(TM)2 CPU 6600 @ 2.40GHz stepping : 6 cpu MHz : 1596.000 cache size : 4096 KB physical id : 0 siblings : 2 core id : 1 cpu cores : 2 apicid : 1 initial apicid : 1 fdiv_bug : no hlt_bug : no f00f_bug : no coma_bug : no fpu : yes fpu_exception : yes cpuid level : 10 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe nx lm constant_tsc arch_perfmon pebs bts pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm lahf_lm tpr_shadow bogomips : 4800.01 clflush size : 64 power management: 00000000-0009ebff : System RAM 0009ec00-0009ffff : reserved 000a0000-000bffff : Video RAM area 000c0000-000c7fff : Video ROM 000e4000-000fffff : reserved 000f0000-000fffff : System ROM 00100000-7ff8ffff : System RAM 00100000-002e022e : Kernel code 002e022f-0038baf7 : Kernel data 003d8000-003fc9f3 : Kernel bss 7ff90000-7ff9dfff : ACPI Tables 7ff9e000-7ffdffff : ACPI Non-volatile Storage 7ffe0000-7fffffff : reserved 80000000-800000ff : 0000:00:1f.3 bff00000-dfefffff : PCI Bus 0000:01 c0000000-cfffffff : 0000:01:00.0 e0000000-efffffff : PCI MMCONFIG 0 [00-ff] e0000000-efffffff : pnp 00:0e febfe000-febfec00 : pnp 00:09 fec00000-fec00fff : IOAPIC 0 fec00000-fec00fff : pnp 00:0b fed00000-fed003ff : HPET 0 fed14000-fed19fff : pnp 00:01 fed1c000-fed1ffff : pnp 00:09 fed20000-fed8ffff : pnp 00:09 fee00000-fee00fff : Local APIC fee00000-fee00fff : reserved fee00000-fee00fff : pnp 00:0b ff800000-ff8fffff : PCI Bus 0000:01 ff8c0000-ff8dffff : 0000:01:00.0 ff8e0000-ff8effff : 0000:01:00.1 ff8f0000-ff8fffff : 0000:01:00.0 ff900000-ff9fffff : PCI Bus 0000:02 ff9ffc00-ff9ffcff : 0000:02:02.0 ff9ffc00-ff9ffcff : 8139too ffaf8000-ffafbfff : 0000:00:1b.0 ffaf8000-ffafbfff : ICH HD audio ffaff000-ffaff3ff : 0000:00:1d.7 ffaff000-ffaff3ff : ehci_hcd ffaff400-ffaff7ff : 0000:00:1a.7 ffaff400-ffaff7ff : ehci_hcd ffaff800-ffafffff : 0000:00:1f.2 ffaff800-ffafffff : ahci ffb00000-ffffffff : reserved ffb00000-ffbfffff : pnp 00:09 fff00000-fffffffe : pnp 00:09 100000000-1ffffffff : System RAM 200000000-ffffffffffffffff : RAM buffer With 2.6.30 things look similar, except 2.6.30 does not show the last "200000000-ffffffffffffffff : RAM buffer" line. -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html