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Groups > linux.kernel > #1631415
| From | Satoru Takeuchi <satoru.takeuchi@gmail.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [BUG] x86: failed to boot a kernel on a Ryzen machine |
| Date | 2017-04-26 13:50 +0200 |
| Message-ID | <tAtCh-1In-15@gated-at.bofh.it> (permalink) |
| References | (2 earlier) <tzLrA-6Zn-21@gated-at.bofh.it> <tzLBf-72B-1@gated-at.bofh.it> <tzLUC-7pd-13@gated-at.bofh.it> <tA56V-2RZ-5@gated-at.bofh.it> <tApS1-7Eb-11@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
At Wed, 26 Apr 2017 09:48:22 +0200, Paolo Bonzini wrote: > > > > On 25/04/2017 11:36, Borislav Petkov wrote: > > Looking at CR4: 00000000003006f0, it doesn't have OSXSAVE set. I.e., bit > > 18. And when that bit is not set, VMOVDQA raises an #UD. > > > > And for some reason qemu doesn't like it even if you request that bit with > > +osxsave: > > > > warning: host doesn't support requested feature: CPUID.01H:ECX.osxsave [bit 27] > > > > Even though the corresponding bit in CPUID on the host is set: > > > > 0x00000001: EAX=0x00800f00, EBX=0x40200800, ECX=0x7ed8320b, EDX=0x178bfbff > > ^ > > Paolo, any thoughts? > > The OSXSAVE CPUID bit is not set by QEMU, it is set by the OS itself > (indirectly) when it sets CR4.OSXSAVE. QEMU says it's not available > (probably) because the Opteron_G3 CPU model does not have the 0xD CPUID > leaf. > > I think you're using libvirt's "host-model" CPU model. That model needs > QEMU/libvirt support for each host CPU family, and in general it often > gives rise to bugs such as the one you're reporting, Yes, I used "host-model". > > Change it to host-passthrough, I changed it as you said and my own kernel succeeded to boot, thank you! > and please send us the output of/proc/cpuinfo so we can add support for Ryzen in "host-model". OK, here it is. ``` $ cat /proc/cpuinfo processor : 0 vendor_id : AuthenticAMD cpu family : 23 model : 1 model name : AMD Ryzen 7 1800X Eight-Core Processor stepping : 1 microcode : 0x800111c cpu MHz : 2200.000 cache size : 512 KB physical id : 0 siblings : 16 core id : 0 cpu cores : 8 apicid : 0 initial apicid : 0 fpu : yes fpu_exception : yes cpuid level : 13 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 constant_tsc rep_good nopl nonstop_tsc extd_apicid aperfmperf eagerfpu pni pclmulqdq monitor ssse3 fma cx16 sse4_1 sse4_2 movbe popcnt aes xsave avx f16c rdrand lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw skinit wdt tce topoext perfctr_core perfctr_nb bpext perfctr_l2 mwaitx hw_pstate vmmcall fsgsbase bmi1 avx2 smep bmi2 rdseed adx smap clflushopt sha_ni xsaveopt xsavec xgetbv1 xsaves clzero irperf arat npt lbrv svm_lock nrip_save tsc_scale vmcb_clean flushbyasid decodeassists pausefilter pfthreshold avic overflow_recov succor smca bugs : fxsave_leak sysret_ss_attrs null_seg bogomips : 7186.66 TLB size : 2560 4K pages clflush size : 64 cache_alignment : 64 address sizes : 48 bits physical, 48 bits virtual power management: ts ttp tm hwpstate eff_freq_ro [13] [14] processor : 1 vendor_id : AuthenticAMD cpu family : 23 model : 1 model name : AMD Ryzen 7 1800X Eight-Core Processor stepping : 1 microcode : 0x800111c cpu MHz : 2200.000 cache size : 512 KB physical id : 0 siblings : 16 core id : 0 cpu cores : 8 apicid : 1 initial apicid : 1 fpu : yes fpu_exception : yes cpuid level : 13 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 constant_tsc rep_good nopl nonstop_tsc extd_apicid aperfmperf eagerfpu pni pclmulqdq monitor ssse3 fma cx16 sse4_1 sse4_2 movbe popcnt aes xsave avx f16c rdrand lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw skinit wdt tce topoext perfctr_core perfctr_nb bpext perfctr_l2 mwaitx hw_pstate vmmcall fsgsbase bmi1 avx2 smep bmi2 rdseed adx smap clflushopt sha_ni xsaveopt xsavec xgetbv1 xsaves clzero irperf arat npt lbrv svm_lock nrip_save tsc_scale vmcb_clean flushbyasid decodeassists pausefilter pfthreshold avic overflow_recov succor smca bugs : fxsave_leak sysret_ss_attrs null_seg bogomips : 7186.66 TLB size : 2560 4K pages clflush size : 64 cache_alignment : 64 address sizes : 48 bits physical, 48 bits virtual power management: ts ttp tm hwpstate eff_freq_ro [13] [14] processor : 2 vendor_id : AuthenticAMD cpu family : 23 model : 1 model name : AMD Ryzen 7 1800X Eight-Core Processor stepping : 1 microcode : 0x800111c cpu MHz : 2200.000 cache size : 512 KB physical id : 0 siblings : 16 core id : 1 cpu cores : 8 apicid : 2 initial apicid : 2 fpu : yes fpu_exception : yes cpuid level : 13 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 constant_tsc rep_good nopl nonstop_tsc extd_apicid aperfmperf eagerfpu pni pclmulqdq monitor ssse3 fma cx16 sse4_1 sse4_2 movbe popcnt aes xsave avx f16c rdrand lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw skinit wdt tce topoext perfctr_core perfctr_nb bpext perfctr_l2 mwaitx hw_pstate vmmcall fsgsbase bmi1 avx2 smep bmi2 rdseed adx smap clflushopt sha_ni xsaveopt xsavec xgetbv1 xsaves clzero irperf arat npt lbrv svm_lock nrip_save tsc_scale vmcb_clean flushbyasid decodeassists pausefilter pfthreshold avic overflow_recov succor smca bugs : fxsave_leak sysret_ss_attrs null_seg bogomips : 7186.66 TLB size : 2560 4K pages clflush size : 64 cache_alignment : 64 address sizes : 48 bits physical, 48 bits virtual power management: ts ttp tm hwpstate eff_freq_ro [13] [14] processor : 3 vendor_id : AuthenticAMD cpu family : 23 model : 1 model name : AMD Ryzen 7 1800X Eight-Core Processor stepping : 1 microcode : 0x800111c cpu MHz : 2200.000 cache size : 512 KB physical id : 0 siblings : 16 core id : 1 cpu cores : 8 apicid : 3 initial apicid : 3 fpu : yes fpu_exception : yes cpuid level : 13 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 constant_tsc rep_good nopl nonstop_tsc extd_apicid aperfmperf eagerfpu pni pclmulqdq monitor ssse3 fma cx16 sse4_1 sse4_2 movbe popcnt aes xsave avx f16c rdrand lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw skinit wdt tce topoext perfctr_core perfctr_nb bpext perfctr_l2 mwaitx hw_pstate vmmcall fsgsbase bmi1 avx2 smep bmi2 rdseed adx smap clflushopt sha_ni xsaveopt xsavec xgetbv1 xsaves clzero irperf arat npt lbrv svm_lock nrip_save tsc_scale vmcb_clean flushbyasid decodeassists pausefilter pfthreshold avic overflow_recov succor smca bugs : fxsave_leak sysret_ss_attrs null_seg bogomips : 7186.66 TLB size : 2560 4K pages clflush size : 64 cache_alignment : 64 address sizes : 48 bits physical, 48 bits virtual power management: ts ttp tm hwpstate eff_freq_ro [13] [14] processor : 4 vendor_id : AuthenticAMD cpu family : 23 model : 1 model name : AMD Ryzen 7 1800X Eight-Core Processor stepping : 1 microcode : 0x800111c cpu MHz : 2200.000 cache size : 512 KB physical id : 0 siblings : 16 core id : 2 cpu cores : 8 apicid : 4 initial apicid : 4 fpu : yes fpu_exception : yes cpuid level : 13 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 constant_tsc rep_good nopl nonstop_tsc extd_apicid aperfmperf eagerfpu pni pclmulqdq monitor ssse3 fma cx16 sse4_1 sse4_2 movbe popcnt aes xsave avx f16c rdrand lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw skinit wdt tce topoext perfctr_core perfctr_nb bpext perfctr_l2 mwaitx hw_pstate vmmcall fsgsbase bmi1 avx2 smep bmi2 rdseed adx smap clflushopt sha_ni xsaveopt xsavec xgetbv1 xsaves clzero irperf arat npt lbrv svm_lock nrip_save tsc_scale vmcb_clean flushbyasid decodeassists pausefilter pfthreshold avic overflow_recov succor smca bugs : fxsave_leak sysret_ss_attrs null_seg bogomips : 7186.66 TLB size : 2560 4K pages clflush size : 64 cache_alignment : 64 address sizes : 48 bits physical, 48 bits virtual power management: ts ttp tm hwpstate eff_freq_ro [13] [14] processor : 5 vendor_id : AuthenticAMD cpu family : 23 model : 1 model name : AMD Ryzen 7 1800X Eight-Core Processor stepping : 1 microcode : 0x800111c cpu MHz : 2200.000 cache size : 512 KB physical id : 0 siblings : 16 core id : 2 cpu cores : 8 apicid : 5 initial apicid : 5 fpu : yes fpu_exception : yes cpuid level : 13 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 constant_tsc rep_good nopl nonstop_tsc extd_apicid aperfmperf eagerfpu pni pclmulqdq monitor ssse3 fma cx16 sse4_1 sse4_2 movbe popcnt aes xsave avx f16c rdrand lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw skinit wdt tce topoext perfctr_core perfctr_nb bpext perfctr_l2 mwaitx hw_pstate vmmcall fsgsbase bmi1 avx2 smep bmi2 rdseed adx smap clflushopt sha_ni xsaveopt xsavec xgetbv1 xsaves clzero irperf arat npt lbrv svm_lock nrip_save tsc_scale vmcb_clean flushbyasid decodeassists pausefilter pfthreshold avic overflow_recov succor smca bugs : fxsave_leak sysret_ss_attrs null_seg bogomips : 7186.66 TLB size : 2560 4K pages clflush size : 64 cache_alignment : 64 address sizes : 48 bits physical, 48 bits virtual power management: ts ttp tm hwpstate eff_freq_ro [13] [14] processor : 6 vendor_id : AuthenticAMD cpu family : 23 model : 1 model name : AMD Ryzen 7 1800X Eight-Core Processor stepping : 1 microcode : 0x800111c cpu MHz : 2200.000 cache size : 512 KB physical id : 0 siblings : 16 core id : 3 cpu cores : 8 apicid : 6 initial apicid : 6 fpu : yes fpu_exception : yes cpuid level : 13 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 constant_tsc rep_good nopl nonstop_tsc extd_apicid aperfmperf eagerfpu pni pclmulqdq monitor ssse3 fma cx16 sse4_1 sse4_2 movbe popcnt aes xsave avx f16c rdrand lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw skinit wdt tce topoext perfctr_core perfctr_nb bpext perfctr_l2 mwaitx hw_pstate vmmcall fsgsbase bmi1 avx2 smep bmi2 rdseed adx smap clflushopt sha_ni xsaveopt xsavec xgetbv1 xsaves clzero irperf arat npt lbrv svm_lock nrip_save tsc_scale vmcb_clean flushbyasid decodeassists pausefilter pfthreshold avic overflow_recov succor smca bugs : fxsave_leak sysret_ss_attrs null_seg bogomips : 7186.66 TLB size : 2560 4K pages clflush size : 64 cache_alignment : 64 address sizes : 48 bits physical, 48 bits virtual power management: ts ttp tm hwpstate eff_freq_ro [13] [14] processor : 7 vendor_id : AuthenticAMD cpu family : 23 model : 1 model name : AMD Ryzen 7 1800X Eight-Core Processor stepping : 1 microcode : 0x800111c cpu MHz : 2200.000 cache size : 512 KB physical id : 0 siblings : 16 core id : 3 cpu cores : 8 apicid : 7 initial apicid : 7 fpu : yes fpu_exception : yes cpuid level : 13 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 constant_tsc rep_good nopl nonstop_tsc extd_apicid aperfmperf eagerfpu pni pclmulqdq monitor ssse3 fma cx16 sse4_1 sse4_2 movbe popcnt aes xsave avx f16c rdrand lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw skinit wdt tce topoext perfctr_core perfctr_nb bpext perfctr_l2 mwaitx hw_pstate vmmcall fsgsbase bmi1 avx2 smep bmi2 rdseed adx smap clflushopt sha_ni xsaveopt xsavec xgetbv1 xsaves clzero irperf arat npt lbrv svm_lock nrip_save tsc_scale vmcb_clean flushbyasid decodeassists pausefilter pfthreshold avic overflow_recov succor smca bugs : fxsave_leak sysret_ss_attrs null_seg bogomips : 7186.66 TLB size : 2560 4K pages clflush size : 64 cache_alignment : 64 address sizes : 48 bits physical, 48 bits virtual power management: ts ttp tm hwpstate eff_freq_ro [13] [14] processor : 8 vendor_id : AuthenticAMD cpu family : 23 model : 1 model name : AMD Ryzen 7 1800X Eight-Core Processor stepping : 1 microcode : 0x800111c cpu MHz : 2200.000 cache size : 512 KB physical id : 0 siblings : 16 core id : 4 cpu cores : 8 apicid : 8 initial apicid : 8 fpu : yes fpu_exception : yes cpuid level : 13 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 constant_tsc rep_good nopl nonstop_tsc extd_apicid aperfmperf eagerfpu pni pclmulqdq monitor ssse3 fma cx16 sse4_1 sse4_2 movbe popcnt aes xsave avx f16c rdrand lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw skinit wdt tce topoext perfctr_core perfctr_nb bpext perfctr_l2 mwaitx hw_pstate vmmcall fsgsbase bmi1 avx2 smep bmi2 rdseed adx smap clflushopt sha_ni xsaveopt xsavec xgetbv1 xsaves clzero irperf arat npt lbrv svm_lock nrip_save tsc_scale vmcb_clean flushbyasid decodeassists pausefilter pfthreshold avic overflow_recov succor smca bugs : fxsave_leak sysret_ss_attrs null_seg bogomips : 7186.66 TLB size : 2560 4K pages clflush size : 64 cache_alignment : 64 address sizes : 48 bits physical, 48 bits virtual power management: ts ttp tm hwpstate eff_freq_ro [13] [14] processor : 9 vendor_id : AuthenticAMD cpu family : 23 model : 1 model name : AMD Ryzen 7 1800X Eight-Core Processor stepping : 1 microcode : 0x800111c cpu MHz : 2200.000 cache size : 512 KB physical id : 0 siblings : 16 core id : 4 cpu cores : 8 apicid : 9 initial apicid : 9 fpu : yes fpu_exception : yes cpuid level : 13 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 constant_tsc rep_good nopl nonstop_tsc extd_apicid aperfmperf eagerfpu pni pclmulqdq monitor ssse3 fma cx16 sse4_1 sse4_2 movbe popcnt aes xsave avx f16c rdrand lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw skinit wdt tce topoext perfctr_core perfctr_nb bpext perfctr_l2 mwaitx hw_pstate vmmcall fsgsbase bmi1 avx2 smep bmi2 rdseed adx smap clflushopt sha_ni xsaveopt xsavec xgetbv1 xsaves clzero irperf arat npt lbrv svm_lock nrip_save tsc_scale vmcb_clean flushbyasid decodeassists pausefilter pfthreshold avic overflow_recov succor smca bugs : fxsave_leak sysret_ss_attrs null_seg bogomips : 7186.66 TLB size : 2560 4K pages clflush size : 64 cache_alignment : 64 address sizes : 48 bits physical, 48 bits virtual power management: ts ttp tm hwpstate eff_freq_ro [13] [14] processor : 10 vendor_id : AuthenticAMD cpu family : 23 model : 1 model name : AMD Ryzen 7 1800X Eight-Core Processor stepping : 1 microcode : 0x800111c cpu MHz : 2200.000 cache size : 512 KB physical id : 0 siblings : 16 core id : 5 cpu cores : 8 apicid : 10 initial apicid : 10 fpu : yes fpu_exception : yes cpuid level : 13 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 constant_tsc rep_good nopl nonstop_tsc extd_apicid aperfmperf eagerfpu pni pclmulqdq monitor ssse3 fma cx16 sse4_1 sse4_2 movbe popcnt aes xsave avx f16c rdrand lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw skinit wdt tce topoext perfctr_core perfctr_nb bpext perfctr_l2 mwaitx hw_pstate vmmcall fsgsbase bmi1 avx2 smep bmi2 rdseed adx smap clflushopt sha_ni xsaveopt xsavec xgetbv1 xsaves clzero irperf arat npt lbrv svm_lock nrip_save tsc_scale vmcb_clean flushbyasid decodeassists pausefilter pfthreshold avic overflow_recov succor smca bugs : fxsave_leak sysret_ss_attrs null_seg bogomips : 7186.66 TLB size : 2560 4K pages clflush size : 64 cache_alignment : 64 address sizes : 48 bits physical, 48 bits virtual power management: ts ttp tm hwpstate eff_freq_ro [13] [14] processor : 11 vendor_id : AuthenticAMD cpu family : 23 model : 1 model name : AMD Ryzen 7 1800X Eight-Core Processor stepping : 1 microcode : 0x800111c cpu MHz : 2200.000 cache size : 512 KB physical id : 0 siblings : 16 core id : 5 cpu cores : 8 apicid : 11 initial apicid : 11 fpu : yes fpu_exception : yes cpuid level : 13 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 constant_tsc rep_good nopl nonstop_tsc extd_apicid aperfmperf eagerfpu pni pclmulqdq monitor ssse3 fma cx16 sse4_1 sse4_2 movbe popcnt aes xsave avx f16c rdrand lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw skinit wdt tce topoext perfctr_core perfctr_nb bpext perfctr_l2 mwaitx hw_pstate vmmcall fsgsbase bmi1 avx2 smep bmi2 rdseed adx smap clflushopt sha_ni xsaveopt xsavec xgetbv1 xsaves clzero irperf arat npt lbrv svm_lock nrip_save tsc_scale vmcb_clean flushbyasid decodeassists pausefilter pfthreshold avic overflow_recov succor smca bugs : fxsave_leak sysret_ss_attrs null_seg bogomips : 7186.66 TLB size : 2560 4K pages clflush size : 64 cache_alignment : 64 address sizes : 48 bits physical, 48 bits virtual power management: ts ttp tm hwpstate eff_freq_ro [13] [14] processor : 12 vendor_id : AuthenticAMD cpu family : 23 model : 1 model name : AMD Ryzen 7 1800X Eight-Core Processor stepping : 1 microcode : 0x800111c cpu MHz : 2200.000 cache size : 512 KB physical id : 0 siblings : 16 core id : 6 cpu cores : 8 apicid : 12 initial apicid : 12 fpu : yes fpu_exception : yes cpuid level : 13 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 constant_tsc rep_good nopl nonstop_tsc extd_apicid aperfmperf eagerfpu pni pclmulqdq monitor ssse3 fma cx16 sse4_1 sse4_2 movbe popcnt aes xsave avx f16c rdrand lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw skinit wdt tce topoext perfctr_core perfctr_nb bpext perfctr_l2 mwaitx hw_pstate vmmcall fsgsbase bmi1 avx2 smep bmi2 rdseed adx smap clflushopt sha_ni xsaveopt xsavec xgetbv1 xsaves clzero irperf arat npt lbrv svm_lock nrip_save tsc_scale vmcb_clean flushbyasid decodeassists pausefilter pfthreshold avic overflow_recov succor smca bugs : fxsave_leak sysret_ss_attrs null_seg bogomips : 7186.66 TLB size : 2560 4K pages clflush size : 64 cache_alignment : 64 address sizes : 48 bits physical, 48 bits virtual power management: ts ttp tm hwpstate eff_freq_ro [13] [14] processor : 13 vendor_id : AuthenticAMD cpu family : 23 model : 1 model name : AMD Ryzen 7 1800X Eight-Core Processor stepping : 1 microcode : 0x800111c cpu MHz : 2200.000 cache size : 512 KB physical id : 0 siblings : 16 core id : 6 cpu cores : 8 apicid : 13 initial apicid : 13 fpu : yes fpu_exception : yes cpuid level : 13 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 constant_tsc rep_good nopl nonstop_tsc extd_apicid aperfmperf eagerfpu pni pclmulqdq monitor ssse3 fma cx16 sse4_1 sse4_2 movbe popcnt aes xsave avx f16c rdrand lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw skinit wdt tce topoext perfctr_core perfctr_nb bpext perfctr_l2 mwaitx hw_pstate vmmcall fsgsbase bmi1 avx2 smep bmi2 rdseed adx smap clflushopt sha_ni xsaveopt xsavec xgetbv1 xsaves clzero irperf arat npt lbrv svm_lock nrip_save tsc_scale vmcb_clean flushbyasid decodeassists pausefilter pfthreshold avic overflow_recov succor smca bugs : fxsave_leak sysret_ss_attrs null_seg bogomips : 7186.66 TLB size : 2560 4K pages clflush size : 64 cache_alignment : 64 address sizes : 48 bits physical, 48 bits virtual power management: ts ttp tm hwpstate eff_freq_ro [13] [14] processor : 14 vendor_id : AuthenticAMD cpu family : 23 model : 1 model name : AMD Ryzen 7 1800X Eight-Core Processor stepping : 1 microcode : 0x800111c cpu MHz : 2200.000 cache size : 512 KB physical id : 0 siblings : 16 core id : 7 cpu cores : 8 apicid : 14 initial apicid : 14 fpu : yes fpu_exception : yes cpuid level : 13 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 constant_tsc rep_good nopl nonstop_tsc extd_apicid aperfmperf eagerfpu pni pclmulqdq monitor ssse3 fma cx16 sse4_1 sse4_2 movbe popcnt aes xsave avx f16c rdrand lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw skinit wdt tce topoext perfctr_core perfctr_nb bpext perfctr_l2 mwaitx hw_pstate vmmcall fsgsbase bmi1 avx2 smep bmi2 rdseed adx smap clflushopt sha_ni xsaveopt xsavec xgetbv1 xsaves clzero irperf arat npt lbrv svm_lock nrip_save tsc_scale vmcb_clean flushbyasid decodeassists pausefilter pfthreshold avic overflow_recov succor smca bugs : fxsave_leak sysret_ss_attrs null_seg bogomips : 7186.66 TLB size : 2560 4K pages clflush size : 64 cache_alignment : 64 address sizes : 48 bits physical, 48 bits virtual power management: ts ttp tm hwpstate eff_freq_ro [13] [14] processor : 15 vendor_id : AuthenticAMD cpu family : 23 model : 1 model name : AMD Ryzen 7 1800X Eight-Core Processor stepping : 1 microcode : 0x800111c cpu MHz : 2200.000 cache size : 512 KB physical id : 0 siblings : 16 core id : 7 cpu cores : 8 apicid : 15 initial apicid : 15 fpu : yes fpu_exception : yes cpuid level : 13 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 constant_tsc rep_good nopl nonstop_tsc extd_apicid aperfmperf eagerfpu pni pclmulqdq monitor ssse3 fma cx16 sse4_1 sse4_2 movbe popcnt aes xsave avx f16c rdrand lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw skinit wdt tce topoext perfctr_core perfctr_nb bpext perfctr_l2 mwaitx hw_pstate vmmcall fsgsbase bmi1 avx2 smep bmi2 rdseed adx smap clflushopt sha_ni xsaveopt xsavec xgetbv1 xsaves clzero irperf arat npt lbrv svm_lock nrip_save tsc_scale vmcb_clean flushbyasid decodeassists pausefilter pfthreshold avic overflow_recov succor smca bugs : fxsave_leak sysret_ss_attrs null_seg bogomips : 7186.66 TLB size : 2560 4K pages clflush size : 64 cache_alignment : 64 address sizes : 48 bits physical, 48 bits virtual power management: ts ttp tm hwpstate eff_freq_ro [13] [14] ``` Regards, Satoru > > Thanks, > > Paolo
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Re: [BUG] x86: failed to boot a kernel on a Ryzen machine Borislav Petkov <bp@alien8.de> - 2017-04-25 11:40 +0200
Re: [BUG] x86: failed to boot a kernel on a Ryzen machine Paolo Bonzini <pbonzini@redhat.com> - 2017-04-26 09:50 +0200
Re: [BUG] x86: failed to boot a kernel on a Ryzen machine Borislav Petkov <bp@alien8.de> - 2017-04-26 10:20 +0200
Re: [BUG] x86: failed to boot a kernel on a Ryzen machine Satoru Takeuchi <satoru.takeuchi@gmail.com> - 2017-04-26 13:50 +0200
Re: [BUG] x86: failed to boot a kernel on a Ryzen machine Paolo Bonzini <pbonzini@redhat.com> - 2017-04-26 19:00 +0200
Re: [BUG] x86: failed to boot a kernel on a Ryzen machine Satoru Takeuchi <satoru.takeuchi@gmail.com> - 2017-04-27 02:50 +0200
Re: [BUG] x86: failed to boot a kernel on a Ryzen machine Paolo Bonzini <pbonzini@redhat.com> - 2017-04-28 15:40 +0200
Re: [BUG] x86: failed to boot a kernel on a Ryzen machine Satoru Takeuchi <satoru.takeuchi@gmail.com> - 2017-04-29 23:10 +0200
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