From: Paolo Bonzini <pbonzini@redhat.com>
To: Dunrong Huang <riegamaths@gmail.com>
Cc: Jordan Justen <jordan.l.justen@intel.com>,
qemu-devel <qemu-devel@nongnu.org>
Subject: Re: [Qemu-devel] VM can not boot after commit 235e898
Date: Tue, 04 Jun 2013 08:47:36 +0200 [thread overview]
Message-ID: <51AD8D88.70104@redhat.com> (raw)
In-Reply-To: <CAOZVR5b7x-D9Ez5gw8AhnTMiDM2b2nZhOppTZuCRA9WzVPJ-fg@mail.gmail.com>
Il 04/06/2013 05:47, Dunrong Huang ha scritto:
>
> QEMU command:
> ~/usr/bin/qemu-system-x86_64 -enable-kvm -m 1024 debian-append.img
>
> git bisect tells that the following commit causes this bug:
>
> commit 235e8982ad393e5611cb892df54881c872eea9e1
> Author: Jordan Justen <jordan.l.justen@intel.com
> <mailto:jordan.l.justen@intel.com>>
> Date: Wed May 29 01:27:26 2013 -0700
>
> kvm: support using KVM_MEM_READONLY flag for regions
>
> For readonly memory regions and rom devices in romd_mode,
> we make use of the KVM_MEM_READONLY. A slot that uses
> KVM_MEM_READONLY can be read from and code can execute from the
> region, but writes will exit to qemu.
>
> After reverting this commit, VM can boot normally.
A patch is queued for that. Using kernel 3.8 or reverting the commit
will both work.
Paolo
>
> Any information I should provide?
>
> --
> Best Regards,
>
> Dunrong Huang
>
> Homepage: http://mathslinux.org
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next prev parent reply other threads:[~2013-06-04 6:47 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-06-04 3:47 [Qemu-devel] VM can not boot after commit 235e898 Dunrong Huang
2013-06-04 6:41 ` Jordan Justen
2013-06-04 7:46 ` Dunrong Huang
2013-06-04 6:47 ` Paolo Bonzini [this message]
2013-06-04 7:47 ` Dunrong Huang
2013-06-04 7:51 ` Gleb Natapov
2013-06-04 8:26 ` Dunrong Huang
2013-06-04 17:03 ` Jordan Justen
2013-06-05 2:44 ` Dunrong Huang
2013-06-05 7:34 ` Dunrong Huang
2013-07-24 9:58 ` Alexander Graf
2013-07-24 15:16 ` Paolo Bonzini
2013-07-24 15:21 ` Gleb Natapov
2013-07-24 15:31 ` Alexander Graf
2013-07-24 16:17 ` Gleb Natapov
2013-07-24 16:26 ` Alexander Graf
2013-07-24 16:53 ` Gleb Natapov
2013-07-24 20:25 ` Alexander Graf
2013-07-25 11:30 ` Gleb Natapov
2013-07-24 20:34 ` Andreas Färber
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