From: Peter Maydell <peter.maydell@linaro.org>
To: Tony Nguyen <tony.nguyen@bt.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>,
QEMU Developers <qemu-devel@nongnu.org>,
Richard Henderson <rth@twiddle.net>
Subject: Re: [Qemu-devel] [PATCH] memory: Set notdirty_mem_ops validator
Date: Tue, 3 Sep 2019 17:50:56 +0100 [thread overview]
Message-ID: <CAFEAcA-FAJV1XEAZ7bcrstOWPv6wpAuZ4WjVo8bf+ewiWQYopA@mail.gmail.com> (raw)
In-Reply-To: <20190903164712.GA85777@imac.local>
On Tue, 3 Sep 2019 at 17:47, Tony Nguyen <tony.nguyen@bt.com> wrote:
>
> On Tue, Sep 03, 2019 at 11:25:28AM +0100, Peter Maydell wrote:
> > On Mon, 2 Sep 2019 at 02:36, Tony Nguyen <tony.nguyen@bt.com> wrote:
> > >
> > > Existing read rejecting validator was mistakenly cleared.
> > >
> > > Reads dispatched to io_mem_notdirty then segfaults as there is no read
> > > handler.
> >
> > Do you have the commit hash for where we introduced the
> > bug that this is fixing?
> >
> > thanks
> > -- PMM
> >
>
> ad52878f97610757390148fe5d5b4cc5ad15c585.
>
> Please feel free to amend my commit message.
Thanks.
> I do not understand why sun4u booting Solaris 10 triggers the bug.
Do you have a backtrace of QEMU from the segfault? I'm having trouble
thinking of what the situation is when we'd try to invoke the
read handler on io_mem_notdirty...
thanks
-- PMM
next prev parent reply other threads:[~2019-09-03 16:54 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-02 1:26 [Qemu-devel] [PATCH] memory: Set notdirty_mem_ops validator Tony Nguyen
2019-09-03 10:21 ` Peter Xu
2019-09-03 10:25 ` Peter Maydell
2019-09-03 16:47 ` Tony Nguyen
2019-09-03 16:50 ` Peter Maydell [this message]
2019-09-04 2:40 ` Peter Xu
2019-09-06 14:14 ` Peter Maydell
2019-09-04 6:17 ` Tony Nguyen
2019-09-06 8:28 ` Philippe Mathieu-Daudé
2019-09-06 13:08 ` Eric Blake
2019-09-06 13:24 ` Philippe Mathieu-Daudé
2019-09-06 13:44 ` Eric Blake
2019-09-06 16:04 ` Eric Blake
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