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Message-Id: <200902132143.08471.philippe.grenard@laposte.net> Date: Fri, 13 Feb 2009 21:43:08 +0100 From: Philippe Grenard <philippe.grenard@...oste.net> To: linux-kernel@...r.kernel.org Cc: Len Brown <lenb@...nel.org> Subject: Re: PROBLEM: cannot get stable system since 2.6.28 kernel On Friday 13 February 2009 19:56:54 Len Brown wrote: > dmesg -- assuming you can boot far enough to capture it, > may be helpful. > > also, disabling PREEMPT may be interesting to try. > > cheers, > -- > Len Brown, Intel Open Source Technology Center difference between the two /proc/cpuinfos shows this : especially "cpu cores" and "cpuid level" are quite different : does this may be some hint ? --- proc_cpuinfo_2.6.27.10 2009-02-13 21:28:09.000000000 +0100 +++ proc_cpuinfo_2.6.29-rc4_test1 2009-02-13 21:28:00.000000000 +0100 @@ -4,20 +4,20 @@ model : 23 model name : Intel(R) Core(TM)2 Duo CPU E8400 @ 3.00GHz stepping : 10 -cpu MHz : 2999.632 +cpu MHz : 2999.773 cache size : 6144 KB physical id : 0 siblings : 2 core id : 0 -cpu cores : 1 +cpu cores : 2 apicid : 0 initial apicid : 0 fpu : yes fpu_exception : yes -cpuid level : 2 +cpuid level : 13 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 s se sse2 ss ht tm pbe syscall nx lm constant_tsc pebs bts rep_good nopl pni monitor ds_cpl vmx smx est tm2 ssse3 cx16 xtpr sse4_1 lahf_lm -bogomips : 5999.26 +flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr s se sse2 ss ht tm pbe syscall nx lm constant_tsc arch_perfmon pebs bts rep_good pni dtes64 monitor ds_cpl vmx smx est tm2 ssse3 cx16 xtpr pdcm sse4_1 xsave lahf_lm tpr_shadow vnmi flexpriority +bogomips : 5999.54 clflush size : 64 cache_alignment : 64 address sizes : 36 bits physical, 48 bits virtual @@ -29,20 +29,20 @@ model : 23 model name : Intel(R) Core(TM)2 Duo CPU E8400 @ 3.00GHz stepping : 10 -cpu MHz : 2999.632 +cpu MHz : 2999.773 cache size : 6144 KB physical id : 0 siblings : 2 -core id : 0 -cpu cores : 1 +core id : 1 +cpu cores : 2 apicid : 1 initial apicid : 1 fpu : yes fpu_exception : yes -cpuid level : 2 +cpuid level : 13 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 s se sse2 ss ht tm pbe syscall nx lm constant_tsc pebs bts rep_good nopl pni monitor ds_cpl vmx smx est tm2 ssse3 cx16 xtpr sse4_1 lahf_lm -bogomips : 8398.69 +flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr s se sse2 ss ht tm pbe syscall nx lm constant_tsc arch_perfmon pebs bts rep_good pni dtes64 monitor ds_cpl vmx smx est tm2 ssse3 cx16 xtpr pdcm sse4_1 xsave lahf_lm tpr_shadow vnmi flexpriority +bogomips : 5999.07 clflush size : 64 cache_alignment : 64 address sizes : 36 bits physical, 48 bits virtual -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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