From: Paolo Bonzini <pbonzini@redhat.com>
To: kernel test robot <oliver.sang@intel.com>,
David Woodhouse <dwmw@amazon.co.uk>
Cc: LKML <linux-kernel@vger.kernel.org>, lkp@lists.01.org, lkp@intel.com
Subject: Re: [KVM] 2efd61a608: WARNING:at_arch/x86/kvm/../../../virt/kvm/kvm_main.c:#mark_page_dirty_in_slot
Date: Thu, 27 Jan 2022 08:52:54 +0100 [thread overview]
Message-ID: <e82f74a6-437b-0db0-aba7-afd54bceac2e@redhat.com> (raw)
In-Reply-To: <20220127023015.GA34140@xsang-OptiPlex-9020>
On 1/27/22 03:30, kernel test robot wrote:
> Greeting,
>
> FYI, we noticed the following commit (built with gcc-9):
>
> commit: 2efd61a608b0039911924d2e5d7028eb37496e85 ("KVM: Warn if mark_page_dirty() is called without an active vCPU")
> https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master
>
> caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace):
>
> [ 123.817787][ T9801] RIP: 0010:mark_page_dirty_in_slot (arch/x86/kvm/../../../virt/kvm/kvm_main.c:3160 (discriminator 1))
> [ 123.935134][ T9801] __kvm_write_guest_page (arch/x86/kvm/../../../virt/kvm/kvm_main.c:2947)
> [ 123.940399][ T9801] kvm_write_guest (arch/x86/kvm/../../../virt/kvm/kvm_main.c:2978)
> [ 123.944953][ T9801] kvm_hv_invalidate_tsc_page (arch/x86/kvm/hyperv.c:1220)
Hi, this is known and should be fixed soon.
Paolo
prev parent reply other threads:[~2022-01-27 7:52 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-01-27 2:30 kernel test robot
2022-01-27 7:52 ` Paolo Bonzini [this message]
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