From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:40092) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cwU3U-00084J-0x for qemu-devel@nongnu.org; Fri, 07 Apr 2017 09:36:01 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cwU3P-0006Zi-0H for qemu-devel@nongnu.org; Fri, 07 Apr 2017 09:36:00 -0400 Received: from indium.canonical.com ([91.189.90.7]:38144) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1cwU3O-0006ZY-QE for qemu-devel@nongnu.org; Fri, 07 Apr 2017 09:35:54 -0400 Received: from loganberry.canonical.com ([91.189.90.37]) by indium.canonical.com with esmtp (Exim 4.76 #1 (Debian)) id 1cwU3M-00072B-MG for ; Fri, 07 Apr 2017 13:35:53 +0000 Received: from loganberry.canonical.com (localhost [127.0.0.1]) by loganberry.canonical.com (Postfix) with ESMTP id D39612E817B for ; Fri, 7 Apr 2017 13:35:45 +0000 (UTC) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Date: Fri, 07 Apr 2017 13:26:08 -0000 From: "Matwey V. Kornilov" Reply-To: Bug 1661386 <1661386@bugs.launchpad.net> Sender: bounces@canonical.com References: <20170202204510.26617.69309.malonedeb@wampee.canonical.com> Message-Id: <20170407132608.12396.53396.malone@gac.canonical.com> Errors-To: bounces@canonical.com Subject: [Qemu-devel] [Bug 1661386] Re: Assertion `ret == cpu->kvm_msr_buf->nmsrs' failed List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Hi, I've attached the files with logs you requested. Could you comment them somehow? x86info says that IA32_PERF is not enabled: Performance MSRs: MSR_IA32_PERF_STATUS: 0x0 MSR_IA32_MISC_ENABLE: 0x0 [Enabled: ] -- = 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 =3D=3D 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=3Dkvm -nodefaults -no-reboot -nographic -cpu host -vga none -kernel .build.kernel.kvm -initrd .build.initrd.kvm -append 'panic=3D1 no-kvmclock console=3DttyS0 loglevel=3D7' -m 1024 -serial stdio qemu-system-x86_64: /home/matwey/lab/qemu/target/i386/kvm.c:1849: kvm_put_msrs: Assertion `ret =3D=3D cpu->kvm_msr_buf->nmsrs' failed. First broken commit has been bisected: commit 48e1a45c3166d659f781171a47dabf4a187ed7a5 Author: Paolo Bonzini 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 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 mc= a cmov pat pse36 clflush dts mmx fxsr sse sse2 ss ht syscall nx rdtscp lm c= onstant_tsc arch_perfmon pebs bts nopl xtopology tsc_reliable nonstop_tsc a= perfmperf 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