From: Paolo Bonzini <pbonzini@redhat.com>
To: Ignat Korchagin <ignat@cloudflare.com>, kvm@vger.kernel.org
Cc: stevensd@chromium.org, kernel-team <kernel-team@cloudflare.com>
Subject: Re: Potential bug in TDP MMU
Date: Tue, 30 Nov 2021 12:49:28 +0100 [thread overview]
Message-ID: <538b1ba5-0ab0-4d1e-56c0-c51321e6b21f@redhat.com> (raw)
In-Reply-To: <CALrw=nFzEhrfLR=sQwCz_eyrSbksn4qKqgkNyxG9LGQvkw8_fg@mail.gmail.com>
On 11/30/21 12:43, Ignat Korchagin wrote:
> I have also noticed another new warning, when running this on the
> kernel from kvm.git branch:
>
> [ 70.284354][ T2928] WARNING: CPU: 4 PID: 2928 at
> arch/x86/kvm/x86.c:9886 kvm_arch_vcpu_ioctl_run+0x126c/0x17d0
> [ 70.284354][ T2928] Modules linked in:
> [ 70.284354][ T2928] CPU: 4 PID: 2928 Comm: exe Not tainted 5.16.0-rc2 #2
> [ 70.284354][ T2928] Hardware name: QEMU Standard PC (Q35 + ICH9,
> 2009), BIOS 0.0.0 02/06/2015
> [ 70.284354][ T2928] RIP: 0010:kvm_arch_vcpu_ioctl_run+0x126c/0x17d0
> [ 70.284354][ T2928] Code: 49 89 b7 f8 01 00 00 e9 8e ee ff ff 49 8b
> 87 80 00 00 00 45 31 e4 c7 40 08 07 00 00 00 49 83 87 b8 20 00 00 01
> e9 35 f2 ff ff <0f> 0b 4c 89 ff e8 ea 72 03 00 83 f8 01 41 89 c4 0f 85
> 47 f9 ff ff
Can you check which line of the source this is?
Paolo
next prev parent reply other threads:[~2021-11-30 11:49 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-29 21:44 Potential bug in TDP MMU Ignat Korchagin
2021-11-30 9:29 ` Paolo Bonzini
2021-11-30 10:58 ` Ignat Korchagin
2021-11-30 10:59 ` Ignat Korchagin
2021-11-30 11:11 ` Paolo Bonzini
2021-11-30 11:19 ` Ignat Korchagin
2021-11-30 11:43 ` Ignat Korchagin
2021-11-30 11:49 ` Paolo Bonzini [this message]
2021-11-30 12:13 ` Paolo Bonzini
2021-11-30 20:23 ` Sean Christopherson
2021-12-01 23:44 ` Ignat Korchagin
2021-12-10 23:04 ` Ignat Korchagin
2021-12-11 1:34 ` David Matlack
2021-12-11 1:49 ` Paolo Bonzini
2021-12-11 17:46 ` David Matlack
2021-12-11 1:37 ` Paolo Bonzini
2021-12-11 2:39 ` Sean Christopherson
2021-12-11 9:38 ` Ignat Korchagin
2021-12-11 20:49 ` Paolo Bonzini
2021-12-13 16:14 ` Sean Christopherson
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