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Re: [lkp-robot] [x86] 69218e4799: BUG:kernel_hang_in_boot_stage

From Thomas Garnier <thgarnie@google.com>
Newsgroups linux.kernel
Subject Re: [lkp-robot] [x86] 69218e4799: BUG:kernel_hang_in_boot_stage
Date 2017-03-21 20:30 +0100
Message-ID <tnxDI-7Ii-17@gated-at.bofh.it> (permalink)
References <tnk3L-6MU-1@gated-at.bofh.it> <tnwHE-73c-9@gated-at.bofh.it> <tnxDI-7Ii-19@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On Tue, Mar 21, 2017 at 12:20 PM, Linus Torvalds
<torvalds@linux-foundation.org> wrote:
>
> On Tue, Mar 21, 2017 at 11:16 AM, Thomas Garnier <thgarnie@google.com> wrote:
> > This error happens even with Andy TLS fix on 32-bit (GDT is on fixmap
> > but not readonly). I am looking into it.
> >
> > KVM internal error. Suberror: 3
> > extra data[0]: 80000b0e
> > extra data[1]: 31
>
> If I read that right, it's extra data[1] 0x31, which EXIT_REASON_EPT_MISCONFIG.
>
> I'm not seeing how the A bit in a GDT entry could have anything to do
> with it. I'm assuming it happens even without Andy's patch?

Correct.

>
>                   Linus




-- 
Thomas

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Re: [lkp-robot] [x86] 69218e4799: BUG:kernel_hang_in_boot_stage Thomas Garnier <thgarnie@google.com> - 2017-03-21 19:30 +0100
  Re: [lkp-robot] [x86] 69218e4799: BUG:kernel_hang_in_boot_stage Thomas Garnier <thgarnie@google.com> - 2017-03-21 20:30 +0100
    Re: [lkp-robot] [x86] 69218e4799: BUG:kernel_hang_in_boot_stage Thomas Garnier <thgarnie@google.com> - 2017-03-21 21:30 +0100
      Re: [lkp-robot] [x86] 69218e4799: BUG:kernel_hang_in_boot_stage Linus Torvalds <torvalds@linux-foundation.org> - 2017-03-21 22:20 +0100
        Re: [lkp-robot] [x86] 69218e4799: BUG:kernel_hang_in_boot_stage Andy Lutomirski <luto@amacapital.net> - 2017-03-21 23:40 +0100
          Re: [lkp-robot] [x86] 69218e4799: BUG:kernel_hang_in_boot_stage Andy Lutomirski <luto@kernel.org> - 2017-03-22 01:10 +0100
            Re: [lkp-robot] [x86] 69218e4799: BUG:kernel_hang_in_boot_stage Thomas Garnier <thgarnie@google.com> - 2017-03-22 01:50 +0100
              Re: [lkp-robot] [x86] 69218e4799: BUG:kernel_hang_in_boot_stage Andy Lutomirski <luto@kernel.org> - 2017-03-22 05:50 +0100
                Re: [lkp-robot] [x86] 69218e4799: BUG:kernel_hang_in_boot_stage Thomas Garnier <thgarnie@google.com> - 2017-03-22 06:20 +0100
                Re: [lkp-robot] [x86] 69218e4799: BUG:kernel_hang_in_boot_stage Ingo Molnar <mingo@kernel.org> - 2017-03-22 08:40 +0100
                Re: [lkp-robot] [x86] 69218e4799: BUG:kernel_hang_in_boot_stage Andy Lutomirski <luto@amacapital.net> - 2017-03-22 17:40 +0100
                Re: [lkp-robot] [x86] 69218e4799: BUG:kernel_hang_in_boot_stage Thomas Garnier <thgarnie@google.com> - 2017-03-22 17:50 +0100
                Re: [lkp-robot] [x86] 69218e4799: BUG:kernel_hang_in_boot_stage Andy Lutomirski <luto@kernel.org> - 2017-03-22 18:10 +0100
  Re: [lkp-robot] [x86] 69218e4799: BUG:kernel_hang_in_boot_stage Linus Torvalds <torvalds@linux-foundation.org> - 2017-03-21 20:30 +0100

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