From: "Matwey V. Kornilov" <matwey.kornilov@gmail.com>
To: qemu-devel@nongnu.org
Subject: Re: [Bug 1661386] Re: Assertion `ret == cpu->kvm_msr_buf->nmsrs' failed
Date: Tue, 11 Feb 2020 15:43:25 -0000 [thread overview]
Message-ID: <CAJs94EY=7W3F9zZiB7kqL7FAqzJL7k1VWqYrbZfLHbBWPsrseA@mail.gmail.com> (raw)
In-Reply-To: 158143216740.3624.3045704956517936916.malone@soybean.canonical.com
Hi,
Thank you for your reply. I've checked that this commit fixed my issue.
вт, 11 февр. 2020 г. в 17:50, Thomas Huth <1661386@bugs.launchpad.net>:
>
> There was a fix for this assertion message wrt PMU registers in December 2017 already:
> https://git.qemu.org/?p=qemu.git;a=commitdiff;h=0b368a10c71af96f6cf
> Thus, can you still reproduce this issue with the latest version of QEMU, or is the problem gone now?
>
> ** Changed in: qemu
> Status: New => Incomplete
>
> --
> 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:
> Incomplete
>
> 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 <pbonzini@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 <pbonzini@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
--
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:
Incomplete
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 <pbonzini@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 <pbonzini@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
next prev parent reply other threads:[~2020-02-11 15:57 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-02-02 20:45 [Qemu-devel] [Bug 1661386] [NEW] Assertion `ret == cpu->kvm_msr_buf->nmsrs' failed Matwey V. Kornilov
2017-02-03 12:57 ` [Qemu-devel] [Bug 1661386] " Dr. David Alan Gilbert
2017-02-03 16:25 ` Matwey V. Kornilov
2017-02-03 18:34 ` Dr. David Alan Gilbert
2017-02-03 18:55 ` Matwey V. Kornilov
2017-02-03 19:51 ` Dr. David Alan Gilbert
2017-02-05 8:58 ` Matwey V. Kornilov
2017-02-06 10:02 ` Dr. David Alan Gilbert
2017-02-06 16:54 ` Matwey V. Kornilov
2017-02-06 16:51 ` Matwey V. Kornilov
2017-02-06 17:11 ` Dr. David Alan Gilbert
2017-02-06 17:45 ` Matwey V. Kornilov
2017-02-06 17:31 ` Paolo Bonzini
2017-02-06 18:05 ` Dr. David Alan Gilbert
2017-02-06 19:38 ` Matwey V. Kornilov
2017-02-06 21:49 ` Paolo Bonzini
2017-02-07 15:50 ` Matwey V. Kornilov
2017-02-08 8:49 ` Paolo Bonzini
2017-07-23 9:54 ` Matwey V. Kornilov
2017-07-23 10:24 ` Matwey V. Kornilov
2017-02-08 13:14 ` Matwey V. Kornilov
2017-02-08 13:15 ` Matwey V. Kornilov
2017-04-07 13:26 ` Matwey V. Kornilov
2020-02-11 14:42 ` Thomas Huth
2020-02-11 15:43 ` Matwey V. Kornilov [this message]
2020-02-11 16:37 ` Thomas Huth
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