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From: Paolo Bonzini <pbonzini@redhat.com>
To: "Michael S. Tsirkin" <mst@redhat.com>
Cc: marcel.a@redhat.com, qemu-devel <qemu-devel@nongnu.org>,
	Luiz Capitulino <lcapitulino@redhat.com>
Subject: Re: [Qemu-devel] BUG: QEMU aborts when setting breakpoint in gdb (bisected)
Date: Wed, 06 Nov 2013 18:50:05 +0100	[thread overview]
Message-ID: <527A814D.5020804@redhat.com> (raw)
In-Reply-To: <20131106174834.GA11767@redhat.com>

Il 06/11/2013 18:48, Michael S. Tsirkin ha scritto:
> This just makes the symproms go away.

That's correct.

> The real bug is exec ignores high address bits during page
> lookups. It should fail on invalid address not access
> a random page.
> I'll send a patch.

The real real bug is that all address spaces should be 2^64, which you
said you consider too intrusive a patch.  I don't feel confident
changing phys_page_find, even if it's just 2 lines.

Paolo

  reply	other threads:[~2013-11-06 17:50 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-11-06 16:22 [Qemu-devel] BUG: QEMU aborts when setting breakpoint in gdb (bisected) Luiz Capitulino
2013-11-06 16:26 ` Paolo Bonzini
2013-11-06 16:29   ` Luiz Capitulino
2013-11-06 16:33   ` Michael S. Tsirkin
2013-11-06 16:30     ` Marcel Apfelbaum
2013-11-06 17:39 ` Paolo Bonzini
2013-11-06 17:48   ` Michael S. Tsirkin
2013-11-06 17:50     ` Paolo Bonzini [this message]
2013-11-06 18:39       ` Michael S. Tsirkin
2013-11-06 21:13         ` Paolo Bonzini
2013-11-06 21:36           ` Michael S. Tsirkin
2013-11-06 18:36   ` Luiz Capitulino
2013-11-06 21:11     ` Paolo Bonzini

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