Just made some changes to .config, shall try building on the 2P box with old .config to see if it's a config problem -- doubt so as the configs were fine with earlier kernels. Attaching the .config diff. slipstream:~ # uname -r 2.6.33-rc2-smp slipstream:~ # cat /proc/cpuinfo processor : 0 vendor_id : AuthenticAMD cpu family : 16 model : 4 model name : AMD Phenom(tm) II X4 940 Processor stepping : 2 cpu MHz : 3013.988 cache size : 512 KB physical id : 0 siblings : 4 core id : 0 cpu cores : 4 apicid : 0 initial apicid : 0 fpu : yes fpu_exception : yes cpuid level : 5 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 pdpe1gb rdtscp lm 3dnowext 3dnow constant_tsc rep_good nonstop_tsc extd_apicid pni monitor cx16 popcnt lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw ibs skinit wdt bogomips : 6027.96 TLB size : 1024 4K pages clflush size : 64 cache_alignment : 64 address sizes : 48 bits physical, 48 bits virtual power management: ts ttp tm stc 100mhzsteps hwpstate processor : 1 vendor_id : AuthenticAMD cpu family : 16 model : 4 model name : AMD Phenom(tm) II X4 940 Processor stepping : 2 cpu MHz : 3013.988 cache size : 512 KB physical id : 0 siblings : 4 core id : 1 cpu cores : 4 apicid : 1 initial apicid : 1 fpu : yes fpu_exception : yes cpuid level : 5 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 pdpe1gb rdtscp lm 3dnowext 3dnow constant_tsc rep_good nonstop_tsc extd_apicid pni monitor cx16 popcnt lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw ibs skinit wdt bogomips : 6027.27 TLB size : 1024 4K pages clflush size : 64 cache_alignment : 64 address sizes : 48 bits physical, 48 bits virtual power management: ts ttp tm stc 100mhzsteps hwpstate processor : 2 vendor_id : AuthenticAMD cpu family : 16 model : 4 model name : AMD Phenom(tm) II X4 940 Processor stepping : 2 cpu MHz : 3013.988 cache size : 512 KB physical id : 0 siblings : 4 core id : 2 cpu cores : 4 apicid : 2 initial apicid : 2 fpu : yes fpu_exception : yes cpuid level : 5 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 pdpe1gb rdtscp lm 3dnowext 3dnow constant_tsc rep_good nonstop_tsc extd_apicid pni monitor cx16 popcnt lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw ibs skinit wdt bogomips : 6027.27 TLB size : 1024 4K pages clflush size : 64 cache_alignment : 64 address sizes : 48 bits physical, 48 bits virtual power management: ts ttp tm stc 100mhzsteps hwpstate processor : 3 vendor_id : AuthenticAMD cpu family : 16 model : 4 model name : AMD Phenom(tm) II X4 940 Processor stepping : 2 cpu MHz : 3013.988 cache size : 512 KB physical id : 0 siblings : 4 core id : 3 cpu cores : 4 apicid : 3 initial apicid : 3 fpu : yes fpu_exception : yes cpuid level : 5 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 pdpe1gb rdtscp lm 3dnowext 3dnow constant_tsc rep_good nonstop_tsc extd_apicid pni monitor cx16 popcnt lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw ibs skinit wdt bogomips : 6027.27 TLB size : 1024 4K pages clflush size : 64 cache_alignment : 64 address sizes : 48 bits physical, 48 bits virtual power management: ts ttp tm stc 100mhzsteps hwpstate Regards Sid. On 24/12/09 13:05, Sid Boyce wrote: > On 23/12/09 16:55, Sid Boyce wrote: >> On the 4P box, 2.6.32-git10 boots and shows 4 CPU's, 2.6.32-git12 boots >> and shows 1 CPU, 2.6.32-git15 to 2.6.33-rc1-git3 1 CPU and lots of oops, >> continues with something like "Sending NMI interrupts to CPU's", >> [udev] unexpectedly returned with status 0x0100 >> [udev] failed while handling /devices/pci000:00 -----etc--- same for >> other devices. >> Unable to capture via serial console as USB doesn't come ready. >> >> On 2P laptop, up to 2.6.33-rc1 boots, 1 CPU and boot option "acpi=noirq" >> needed, without it boot hangs, I think from 2.6.32-git15. >> Building kernels, I have used the .config from previous kernel and >> "make oldconfig". >> >> # uname -r >> 2.6.32-git12-smp >> slipstream:~ # cat /proc/cpuinfo >> processor : 0 >> vendor_id : AuthenticAMD >> cpu family : 16 >> model : 4 >> model name : AMD Phenom(tm) II X4 940 Processor >> stepping : 2 >> cpu MHz : 3013.597 >> cache size : 512 KB >> physical id : 0 >> siblings : 1 >> core id : 0 >> cpu cores : 1 >> apicid : 0 >> initial apicid : 0 >> fpu : yes >> fpu_exception : yes >> cpuid level : 5 >> wp : yes >> flags : fpu vme de pse tsc msr pae mce cx8 sep mtrr pge mca >> cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt >> pdpe1gb rdtscp lm 3dnowext 3dnow constant_tsc up rep_good nonstop_tsc >> pni monitor cx16 popcnt lahf_lm cmp_legacy svm extapic cr8_legacy abm >> sse4a misalignsse 3dnowprefetch osvw ibs skinit wdt >> bogomips : 6027.18 >> TLB size : 1024 4K pages >> clflush size : 64 >> cache_alignment : 64 >> address sizes : 48 bits physical, 48 bits virtual >> power management: ts ttp tm stc 100mhzsteps hwpstate >> >> # uname -r >> 2.6.32-git10-smp >> >> # cat /proc/cpuinfo >> processor : 0 >> vendor_id : AuthenticAMD >> cpu family : 16 >> model : 4 >> model name : AMD Phenom(tm) II X4 940 Processor >> stepping : 2 >> cpu MHz : 3013.774 >> cache size : 512 KB >> physical id : 0 >> siblings : 4 >> core id : 0 >> cpu cores : 4 >> apicid : 0 >> initial apicid : 0 >> fpu : yes >> fpu_exception : yes >> cpuid level : 5 >> 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 pdpe1gb rdtscp lm 3dnowext 3dnow constant_tsc rep_good >> nonstop_tsc extd_apicid pni monitor cx16 popcnt lahf_lm cmp_legacy svm >> extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw ibs skinit wdt >> bogomips : 6027.53 >> TLB size : 1024 4K pages >> clflush size : 64 >> cache_alignment : 64 >> address sizes : 48 bits physical, 48 bits virtual >> power management: ts ttp tm stc 100mhzsteps hwpstate >> >> processor : 1 >> vendor_id : AuthenticAMD >> cpu family : 16 >> model : 4 >> model name : AMD Phenom(tm) II X4 940 Processor >> stepping : 2 >> cpu MHz : 3013.774 >> cache size : 512 KB >> physical id : 0 >> siblings : 4 >> core id : 1 >> cpu cores : 4 >> apicid : 1 >> initial apicid : 1 >> fpu : yes >> fpu_exception : yes >> cpuid level : 5 >> 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 pdpe1gb rdtscp lm 3dnowext 3dnow constant_tsc rep_good >> nonstop_tsc extd_apicid pni monitor cx16 popcnt lahf_lm cmp_legacy svm >> extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw ibs skinit wdt >> bogomips : 6027.27 >> TLB size : 1024 4K pages >> clflush size : 64 >> cache_alignment : 64 >> address sizes : 48 bits physical, 48 bits virtual >> power management: ts ttp tm stc 100mhzsteps hwpstate >> >> etc., up to processor 4. >> >> On a 2P laptop >> =============== >> tindog:~ # uname -r >> 2.6.33-rc1-smp >> >> tindog:~ # cat /proc/cpuinfo >> processor : 0 >> vendor_id : AuthenticAMD >> cpu family : 15 >> model : 67 >> model name : AMD Athlon(tm) 64 X2 Dual Core Processor 6000+ >> stepping : 3 >> cpu MHz : 1000.000 >> cache size : 1024 KB >> physical id : 0 >> siblings : 1 >> core id : 0 >> cpu cores : 1 >> apicid : 0 >> initial apicid : 0 >> fpu : yes >> fpu_exception : yes >> cpuid level : 1 >> wp : yes >> flags : fpu vme de pse tsc msr pae mce cx8 sep mtrr pge mca >> cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt >> rdtscp lm 3dnowext 3dnow up rep_good pni cx16 lahf_lm cmp_legacy svm >> extapic cr8_legacy >> bogomips : 2009.33 >> 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 tm stc >> >> The .config for the 4P and 2.6.33-rc1-git3 attached. >> Regards >> Sid. >> > -- Sid Boyce ... 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