Messages in this thread | | | From | Tony Battersby <> | Subject | PROBLEM: lk 4.5 oops on boot with Xeon D-1520 | Date | Wed, 17 Feb 2016 17:51:20 -0500 |
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The following commit in 4.5 is causing a general protection fault during early boot:
d6980ef32570 ("perf/x86/intel/uncore: Add Broadwell-EP uncore support")
With the commit reverted, the system boots fine.
CPU: Intel(R) Xeon(R) CPU D-1520 @ 2.20GHz Motherboard: Supermicro X10SDV-4C-TLN2F
The general protection fault occurs when hswep_uncore_sbox_msr_init_box() calls wrmsrl(). I added a printk to get the following values just before the oops:
box->pmu->type->box_ctl = 1824 box->pmu->pmu_idx = 0 box->pmu->type->msr_offset = 10 box->pmu->type->msr_offsets = NULL msr = 1824 (all values are decimal)
Here is the call trace: hswep_uncore_sbox_msr_init_box+0x7c/0xc0 (RIP) uncore_cpu_starting+0x8a/0x1c0 ? uncore_change_context+0xe5/0x150 ? uncore_types_init+0x1d6/0x1d6 uncore_cpu_setup+0x10/0x12 on_each_cpu+0x32/0x50 intel_uncore_init+0x2e8/0x36d ? cstate_pmu_init+0x14f/0x195 ? uncore_cpu_setup+0x12/0x12
I have a jpg image of the monitor displaying the full oops; let me know if anyone wants that.
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/proc/cpuinfo:
processor : 0 vendor_id : GenuineIntel cpu family : 6 model : 86 model name : Intel(R) Xeon(R) CPU D-1520 @ 2.20GHz stepping : 2 microcode : 0xa cpu MHz : 2200.000 tsc MHz : 2199.998 cache size : 6144 KB physical id : 0 siblings : 8 core id : 0 cpu cores : 4 apicid : 0 initial apicid : 0 fpu : yes fpu_exception : yes cpuid level : 20 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 syscall nx pdpe1gb rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf eagerfpu pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 sdbg fma cx16 xtpr pdcm pcid dca sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm 3dnowprefetch epb intel_pt tpr_shadow vnmi flexpriority ept vpid fsgsbase tsc_adjust bmi1 hle avx2 smep bmi2 erms invpcid rtm cqm rdseed adx smap xsaveopt cqm_llc cqm_occup_llc dtherm arat pln pts bugs : bogomips : 4399.57 clflush size : 64 cache_alignment : 64 address sizes : 46 bits physical, 48 bits virtual power management:
processor : 1 vendor_id : GenuineIntel cpu family : 6 model : 86 model name : Intel(R) Xeon(R) CPU D-1520 @ 2.20GHz stepping : 2 microcode : 0xa cpu MHz : 2200.000 tsc MHz : 2199.998 cache size : 6144 KB physical id : 0 siblings : 8 core id : 1 cpu cores : 4 apicid : 2 initial apicid : 2 fpu : yes fpu_exception : yes cpuid level : 20 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 syscall nx pdpe1gb rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf eagerfpu pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 sdbg fma cx16 xtpr pdcm pcid dca sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm 3dnowprefetch epb intel_pt tpr_shadow vnmi flexpriority ept vpid fsgsbase tsc_adjust bmi1 hle avx2 smep bmi2 erms invpcid rtm cqm rdseed adx smap xsaveopt cqm_llc cqm_occup_llc dtherm arat pln pts bugs : bogomips : 4399.57 clflush size : 64 cache_alignment : 64 address sizes : 46 bits physical, 48 bits virtual power management:
processor : 2 vendor_id : GenuineIntel cpu family : 6 model : 86 model name : Intel(R) Xeon(R) CPU D-1520 @ 2.20GHz stepping : 2 microcode : 0xa cpu MHz : 2200.000 tsc MHz : 2199.998 cache size : 6144 KB physical id : 0 siblings : 8 core id : 2 cpu cores : 4 apicid : 4 initial apicid : 4 fpu : yes fpu_exception : yes cpuid level : 20 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 syscall nx pdpe1gb rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf eagerfpu pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 sdbg fma cx16 xtpr pdcm pcid dca sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm 3dnowprefetch epb intel_pt tpr_shadow vnmi flexpriority ept vpid fsgsbase tsc_adjust bmi1 hle avx2 smep bmi2 erms invpcid rtm cqm rdseed adx smap xsaveopt cqm_llc cqm_occup_llc dtherm arat pln pts bugs : bogomips : 4399.57 clflush size : 64 cache_alignment : 64 address sizes : 46 bits physical, 48 bits virtual power management:
processor : 3 vendor_id : GenuineIntel cpu family : 6 model : 86 model name : Intel(R) Xeon(R) CPU D-1520 @ 2.20GHz stepping : 2 microcode : 0xa cpu MHz : 2200.000 tsc MHz : 2199.998 cache size : 6144 KB physical id : 0 siblings : 8 core id : 3 cpu cores : 4 apicid : 6 initial apicid : 6 fpu : yes fpu_exception : yes cpuid level : 20 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 syscall nx pdpe1gb rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf eagerfpu pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 sdbg fma cx16 xtpr pdcm pcid dca sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm 3dnowprefetch epb intel_pt tpr_shadow vnmi flexpriority ept vpid fsgsbase tsc_adjust bmi1 hle avx2 smep bmi2 erms invpcid rtm cqm rdseed adx smap xsaveopt cqm_llc cqm_occup_llc dtherm arat pln pts bugs : bogomips : 4399.57 clflush size : 64 cache_alignment : 64 address sizes : 46 bits physical, 48 bits virtual power management:
processor : 4 vendor_id : GenuineIntel cpu family : 6 model : 86 model name : Intel(R) Xeon(R) CPU D-1520 @ 2.20GHz stepping : 2 microcode : 0xa cpu MHz : 2200.000 tsc MHz : 2199.998 cache size : 6144 KB physical id : 0 siblings : 8 core id : 0 cpu cores : 4 apicid : 1 initial apicid : 1 fpu : yes fpu_exception : yes cpuid level : 20 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 syscall nx pdpe1gb rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf eagerfpu pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 sdbg fma cx16 xtpr pdcm pcid dca sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm 3dnowprefetch epb intel_pt tpr_shadow vnmi flexpriority ept vpid fsgsbase tsc_adjust bmi1 hle avx2 smep bmi2 erms invpcid rtm cqm rdseed adx smap xsaveopt cqm_llc cqm_occup_llc dtherm arat pln pts bugs : bogomips : 4399.57 clflush size : 64 cache_alignment : 64 address sizes : 46 bits physical, 48 bits virtual power management:
processor : 5 vendor_id : GenuineIntel cpu family : 6 model : 86 model name : Intel(R) Xeon(R) CPU D-1520 @ 2.20GHz stepping : 2 microcode : 0xa cpu MHz : 2200.000 tsc MHz : 2199.998 cache size : 6144 KB physical id : 0 siblings : 8 core id : 1 cpu cores : 4 apicid : 3 initial apicid : 3 fpu : yes fpu_exception : yes cpuid level : 20 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 syscall nx pdpe1gb rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf eagerfpu pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 sdbg fma cx16 xtpr pdcm pcid dca sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm 3dnowprefetch epb intel_pt tpr_shadow vnmi flexpriority ept vpid fsgsbase tsc_adjust bmi1 hle avx2 smep bmi2 erms invpcid rtm cqm rdseed adx smap xsaveopt cqm_llc cqm_occup_llc dtherm arat pln pts bugs : bogomips : 4399.57 clflush size : 64 cache_alignment : 64 address sizes : 46 bits physical, 48 bits virtual power management:
processor : 6 vendor_id : GenuineIntel cpu family : 6 model : 86 model name : Intel(R) Xeon(R) CPU D-1520 @ 2.20GHz stepping : 2 microcode : 0xa cpu MHz : 2200.000 tsc MHz : 2199.998 cache size : 6144 KB physical id : 0 siblings : 8 core id : 2 cpu cores : 4 apicid : 5 initial apicid : 5 fpu : yes fpu_exception : yes cpuid level : 20 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 syscall nx pdpe1gb rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf eagerfpu pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 sdbg fma cx16 xtpr pdcm pcid dca sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm 3dnowprefetch epb intel_pt tpr_shadow vnmi flexpriority ept vpid fsgsbase tsc_adjust bmi1 hle avx2 smep bmi2 erms invpcid rtm cqm rdseed adx smap xsaveopt cqm_llc cqm_occup_llc dtherm arat pln pts bugs : bogomips : 4399.57 clflush size : 64 cache_alignment : 64 address sizes : 46 bits physical, 48 bits virtual power management:
processor : 7 vendor_id : GenuineIntel cpu family : 6 model : 86 model name : Intel(R) Xeon(R) CPU D-1520 @ 2.20GHz stepping : 2 microcode : 0xa cpu MHz : 2200.000 tsc MHz : 2199.998 cache size : 6144 KB physical id : 0 siblings : 8 core id : 3 cpu cores : 4 apicid : 7 initial apicid : 7 fpu : yes fpu_exception : yes cpuid level : 20 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 syscall nx pdpe1gb rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf eagerfpu pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 sdbg fma cx16 xtpr pdcm pcid dca sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm 3dnowprefetch epb intel_pt tpr_shadow vnmi flexpriority ept vpid fsgsbase tsc_adjust bmi1 hle avx2 smep bmi2 erms invpcid rtm cqm rdseed adx smap xsaveopt cqm_llc cqm_occup_llc dtherm arat pln pts bugs : bogomips : 4399.57 clflush size : 64 cache_alignment : 64 address sizes : 46 bits physical, 48 bits virtual power management:
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