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Re: kvm splat in mmu_spte_clear_track_bits

From Paolo Bonzini <pbonzini@redhat.com>
Newsgroups linux.kernel
Subject Re: kvm splat in mmu_spte_clear_track_bits
Date 2017-08-25 15:50 +0200
Message-ID <uin9M-4Gg-15@gated-at.bofh.it> (permalink)
References (3 earlier) <uh11E-bc-19@gated-at.bofh.it> <uh3wt-1Pe-9@gated-at.bofh.it> <uhCXg-u4-3@gated-at.bofh.it> <uhV3P-3x1-5@gated-at.bofh.it> <uimGK-4wF-27@gated-at.bofh.it>
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On 25/08/2017 15:14, Adam Borowski wrote:
>>> I would also try commit 1372324b328cd5dabaef5e345e37ad48c63df2a9 to
>>> identify whether it was caused by a KVM change in 4.13 or something
>>> else.
> I've ran different guests for a couple of hours, no explosions.  Thus it
> looks like updating Cornelia's email address isn't the cause.
> 
> Too bad, there's 15k commits between 1372324b and 7f680d7ec315.

So:

- 4.12 works

- 1372324b328cd5dabaef5e345e37ad48c63df2a9 works

- 4.13-rc6 fails

The next ones to test are going to be
c136b84393d4e340e1b53fc7f737dd5827b19ee5 and 4.13-rc1.

This can be a starting point for bisection or pointing the finger at
someone else.

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Thread

kvm splat in mmu_spte_clear_track_bits Adam Borowski <kilobyte@angband.pl> - 2017-08-21 01:20 +0200
  Re: kvm splat in mmu_spte_clear_track_bits Wanpeng Li <kernellwp@gmail.com> - 2017-08-21 03:30 +0200
    Re: kvm splat in mmu_spte_clear_track_bits Adam Borowski <kilobyte@angband.pl> - 2017-08-21 21:20 +0200
      Re: kvm splat in mmu_spte_clear_track_bits Radim Krčmář <rkrcmar@redhat.com> - 2017-08-21 22:00 +0200
        Re: kvm splat in mmu_spte_clear_track_bits Adam Borowski <kilobyte@angband.pl> - 2017-08-22 00:40 +0200
          Re: kvm splat in mmu_spte_clear_track_bits Paolo Bonzini <pbonzini@redhat.com> - 2017-08-23 14:30 +0200
            Re: kvm splat in mmu_spte_clear_track_bits Wanpeng Li <kernellwp@gmail.com> - 2017-08-24 09:50 +0200
              Re: kvm splat in mmu_spte_clear_track_bits Adam Borowski <kilobyte@angband.pl> - 2017-08-25 15:20 +0200
                Re: kvm splat in mmu_spte_clear_track_bits Paolo Bonzini <pbonzini@redhat.com> - 2017-08-25 15:50 +0200
                Re: kvm splat in mmu_spte_clear_track_bits Adam Borowski <kilobyte@angband.pl> - 2017-08-27 14:40 +0200
                Re: kvm splat in mmu_spte_clear_track_bits Bernhard Held <berny156@gmx.de> - 2017-08-28 17:30 +0200
                Re: kvm splat in mmu_spte_clear_track_bits Bernhard Held <berny156@gmx.de> - 2017-08-28 18:10 +0200
                Re: kvm splat in mmu_spte_clear_track_bits Takashi Iwai <tiwai@suse.de> - 2017-08-28 18:20 +0200
                Re: kvm splat in mmu_spte_clear_track_bits Takashi Iwai <tiwai@suse.de> - 2017-08-28 18:10 +0200
                Re: kvm splat in mmu_spte_clear_track_bits Nadav Amit <nadav.amit@gmail.com> - 2017-08-28 19:00 +0200
                Re: kvm splat in mmu_spte_clear_track_bits Bernhard Held <berny156@gmx.de> - 2017-08-29 11:20 +0200
                Re: kvm splat in mmu_spte_clear_track_bits Adam Borowski <kilobyte@angband.pl> - 2017-08-29 15:10 +0200
                Re: kvm splat in mmu_spte_clear_track_bits Andrea Arcangeli <aarcange@redhat.com> - 2017-08-29 16:10 +0200
                Re: kvm splat in mmu_spte_clear_track_bits Linus Torvalds <torvalds@linux-foundation.org> - 2017-08-29 18:20 +0200
                Re: kvm splat in mmu_spte_clear_track_bits Jerome Glisse <jglisse@redhat.com> - 2017-08-29 20:30 +0200
                Re: kvm splat in mmu_spte_clear_track_bits Jerome Glisse <jglisse@redhat.com> - 2017-08-29 20:40 +0200
                Re: kvm splat in mmu_spte_clear_track_bits Linus Torvalds <torvalds@linux-foundation.org> - 2017-08-29 21:10 +0200
                Re: kvm splat in mmu_spte_clear_track_bits Jerome Glisse <jglisse@redhat.com> - 2017-08-29 21:20 +0200
                Re: kvm splat in mmu_spte_clear_track_bits Linus Torvalds <torvalds@linux-foundation.org> - 2017-08-29 21:40 +0200
                Re: kvm splat in mmu_spte_clear_track_bits Andrea Arcangeli <aarcange@redhat.com> - 2017-08-29 22:50 +0200
                Re: kvm splat in mmu_spte_clear_track_bits Linus Torvalds <torvalds@linux-foundation.org> - 2017-08-29 23:00 +0200
                Re: kvm splat in mmu_spte_clear_track_bits Michal Hocko <mhocko@kernel.org> - 2017-08-30 10:20 +0200
                Re: kvm splat in mmu_spte_clear_track_bits Nadav Amit <nadav.amit@gmail.com> - 2017-08-29 18:00 +0200
                Re: kvm splat in mmu_spte_clear_track_bits Mike Galbraith <efault@gmx.de> - 2017-08-29 15:00 +0200

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