2017-02-06 20:11 GMT+03:00 Dr. David Alan Gilbert <dgilb...@redhat.com>: > Ahha! > [ 0.000000] DMI: VMware, Inc. VMware Virtual Platform/440BX Desktop > Reference Platform, BIOS 6.00 09/30/2014 > [ 0.000000] Hypervisor detected: VMware > > So you didn't mention this was running inside VMWare; it looks to me as if > that's rejecting the PMU MSR accesses. > For reference which version of VMWare are you using?
ESXi 6.0.0 Build 2494585 I also find that enabling perf counters in VMWare configuration also helps. But why did it just work before 48e1a45c3166 with perf counters disabled? > > My colleague suggested that '-cpu host,pmu=off' might work instead of > having to hack around with the source. Indeed, this also helps. > > -- > You received this bug notification because you are subscribed to the bug > report. > https://bugs.launchpad.net/bugs/1661386 > > Title: > Assertion `ret == cpu->kvm_msr_buf->nmsrs' failed > > Status in QEMU: > New > > Bug description: > Hello, > > > I see the following when try to run qemu from master as the following: > > # ./x86_64-softmmu/qemu-system-x86_64 --version > QEMU emulator version 2.8.50 (v2.8.0-1006-g4e9f524) > Copyright (c) 2003-2016 Fabrice Bellard and the QEMU Project developers > # ./x86_64-softmmu/qemu-system-x86_64 -machine accel=kvm -nodefaults > -no-reboot -nographic -cpu host -vga none -kernel .build.kernel.kvm > -initrd .build.initrd.kvm -append 'panic=1 no-kvmclock console=ttyS0 > loglevel=7' -m 1024 -serial stdio > qemu-system-x86_64: /home/matwey/lab/qemu/target/i386/kvm.c:1849: > kvm_put_msrs: Assertion `ret == cpu->kvm_msr_buf->nmsrs' failed. > > First broken commit has been bisected: > > commit 48e1a45c3166d659f781171a47dabf4a187ed7a5 > Author: Paolo Bonzini <pbonz...@redhat.com> > Date: Wed Mar 30 22:55:29 2016 +0200 > > target-i386: assert that KVM_GET/SET_MSRS can set all requested MSRs > > This would have caught the bug in the previous patch. > > Signed-off-by: Paolo Bonzini <pbonz...@redhat.com> > > My cpuinfo is the following: > > processor : 0 > vendor_id : GenuineIntel > cpu family : 6 > model : 44 > model name : Intel(R) Xeon(R) CPU X5675 @ 3.07GHz > stepping : 2 > microcode : 0x14 > cpu MHz : 3066.775 > cache size : 12288 KB > physical id : 0 > siblings : 2 > core id : 0 > cpu cores : 2 > apicid : 0 > initial apicid : 0 > fpu : yes > fpu_exception : yes > cpuid level : 11 > wp : yes > flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca > cmov pat pse36 clflush dts mmx fxsr sse sse2 ss ht syscall nx rdtscp lm > constant_tsc arch_perfmon pebs bts nopl xtopology tsc_reliable nonstop_tsc > aperfmperf pni pclmulqdq vmx ssse3 cx16 sse4_1 sse4_2 popcnt aes hypervisor > lahf_lm ida arat epb dtherm tpr_shadow vnmi ept vpid > bugs : > bogomips : 6133.55 > clflush size : 64 > cache_alignment : 64 > address sizes : 40 bits physical, 48 bits virtual > power management: > > To manage notifications about this bug go to: > https://bugs.launchpad.net/qemu/+bug/1661386/+subscriptions -- With best regards, Matwey V. Kornilov http://blog.matwey.name xmpp://0x2...@jabber.ru -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/1661386 Title: Assertion `ret == cpu->kvm_msr_buf->nmsrs' failed Status in QEMU: New Bug description: Hello, I see the following when try to run qemu from master as the following: # ./x86_64-softmmu/qemu-system-x86_64 --version QEMU emulator version 2.8.50 (v2.8.0-1006-g4e9f524) Copyright (c) 2003-2016 Fabrice Bellard and the QEMU Project developers # ./x86_64-softmmu/qemu-system-x86_64 -machine accel=kvm -nodefaults -no-reboot -nographic -cpu host -vga none -kernel .build.kernel.kvm -initrd .build.initrd.kvm -append 'panic=1 no-kvmclock console=ttyS0 loglevel=7' -m 1024 -serial stdio qemu-system-x86_64: /home/matwey/lab/qemu/target/i386/kvm.c:1849: kvm_put_msrs: Assertion `ret == cpu->kvm_msr_buf->nmsrs' failed. First broken commit has been bisected: commit 48e1a45c3166d659f781171a47dabf4a187ed7a5 Author: Paolo Bonzini <pbonz...@redhat.com> Date: Wed Mar 30 22:55:29 2016 +0200 target-i386: assert that KVM_GET/SET_MSRS can set all requested MSRs This would have caught the bug in the previous patch. Signed-off-by: Paolo Bonzini <pbonz...@redhat.com> My cpuinfo is the following: processor : 0 vendor_id : GenuineIntel cpu family : 6 model : 44 model name : Intel(R) Xeon(R) CPU X5675 @ 3.07GHz stepping : 2 microcode : 0x14 cpu MHz : 3066.775 cache size : 12288 KB physical id : 0 siblings : 2 core id : 0 cpu cores : 2 apicid : 0 initial apicid : 0 fpu : yes fpu_exception : yes cpuid level : 11 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts mmx fxsr sse sse2 ss ht syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts nopl xtopology tsc_reliable nonstop_tsc aperfmperf pni pclmulqdq vmx ssse3 cx16 sse4_1 sse4_2 popcnt aes hypervisor lahf_lm ida arat epb dtherm tpr_shadow vnmi ept vpid bugs : bogomips : 6133.55 clflush size : 64 cache_alignment : 64 address sizes : 40 bits physical, 48 bits virtual power management: To manage notifications about this bug go to: https://bugs.launchpad.net/qemu/+bug/1661386/+subscriptions
