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From: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
To: Laurent Vivier <lvivier@redhat.com>
Cc: Peter Maydell <peter.maydell@linaro.org>,
	Thomas Huth <thuth@redhat.com>,
	"Daniel P . Berrange" <berrange@redhat.com>,
	Cornelia Huck <cohuck@redhat.com>,
	qemu-devel@nongnu.org, Greg Kurz <groug@kaod.org>,
	qemu-arm@nongnu.org, qemu-ppc@nongnu.org,
	David Gibson <david@gibson.dropbear.id.au>
Subject: Re: [Qemu-arm] [PATCH v3 1/3] hmp: fix "dump-quest-memory" segfault (ppc)
Date: Wed, 13 Sep 2017 14:40:50 +0100	[thread overview]
Message-ID: <20170913134050.GE2096@work-vm> (raw)
In-Reply-To: <5accd02c-f116-22ef-99ef-1ddd9e58fc21@redhat.com>

* Laurent Vivier (lvivier@redhat.com) wrote:
> On 13/09/2017 15:19, Dr. David Alan Gilbert wrote:
> > * Laurent Vivier (lvivier@redhat.com) wrote:
> >> On 13/09/2017 14:44, Dr. David Alan Gilbert wrote:
> >>> * David Gibson (david@gibson.dropbear.id.au) wrote:
> >>>> On Tue, Sep 12, 2017 at 04:01:47PM +0200, Laurent Vivier wrote:
> >>>>> Running QEMU with
> >>>>>     qemu-system-ppc64 -M none -nographic -m 256
> >>>>> and executing
> >>>>>     dump-guest-memory /dev/null 0 8192
> >>>>> results in segfault
> >>>>>
> >>>>> Fix by checking if we have CPU, and exit with
> >>>>> error if there is no CPU:
> >>>>>
> >>>>>     (qemu) dump-guest-memory /dev/null
> >>>>>     this feature or command is not currently supported
> >>>>>
> >>>>> Signed-off-by: Laurent Vivier <lvivier@redhat.com>
> >>>>
> >>>> Applied to ppc-for-2.11.  I'm not really sure what to do with the rest
> >>>> of the series though.
> >>>
> >>> I can take the whole set through HMP.
> >>
> >> Could you update the comment in last patch as asked by Cornelia?
> >> (PATCH v3 3/3] tests/hmp: test "none" machine with memory)
> > 
> > Sure, do we understand what the error that patchew caught was?
> 
> We need the fix from Cornelia, otherwise the new test fails.
> 
> Do you want I resend the series including the fix from Cornelia to be
> sure patchew works?

Yes, that's best because I think you're saying we need to put
Cornelia's fix in before your 3/3 to ensure it's bisectable.

Dave

> Thanks,
> Laurent
--
Dr. David Alan Gilbert / dgilbert@redhat.com / Manchester, UK

WARNING: multiple messages have this Message-ID (diff)
From: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
To: Laurent Vivier <lvivier@redhat.com>
Cc: David Gibson <david@gibson.dropbear.id.au>,
	qemu-devel@nongnu.org,
	"Daniel P . Berrange" <berrange@redhat.com>,
	Cornelia Huck <cohuck@redhat.com>, Thomas Huth <thuth@redhat.com>,
	qemu-arm@nongnu.org, qemu-ppc@nongnu.org,
	Peter Maydell <peter.maydell@linaro.org>,
	Greg Kurz <groug@kaod.org>
Subject: Re: [Qemu-devel] [PATCH v3 1/3] hmp: fix "dump-quest-memory" segfault (ppc)
Date: Wed, 13 Sep 2017 14:40:50 +0100	[thread overview]
Message-ID: <20170913134050.GE2096@work-vm> (raw)
In-Reply-To: <5accd02c-f116-22ef-99ef-1ddd9e58fc21@redhat.com>

* Laurent Vivier (lvivier@redhat.com) wrote:
> On 13/09/2017 15:19, Dr. David Alan Gilbert wrote:
> > * Laurent Vivier (lvivier@redhat.com) wrote:
> >> On 13/09/2017 14:44, Dr. David Alan Gilbert wrote:
> >>> * David Gibson (david@gibson.dropbear.id.au) wrote:
> >>>> On Tue, Sep 12, 2017 at 04:01:47PM +0200, Laurent Vivier wrote:
> >>>>> Running QEMU with
> >>>>>     qemu-system-ppc64 -M none -nographic -m 256
> >>>>> and executing
> >>>>>     dump-guest-memory /dev/null 0 8192
> >>>>> results in segfault
> >>>>>
> >>>>> Fix by checking if we have CPU, and exit with
> >>>>> error if there is no CPU:
> >>>>>
> >>>>>     (qemu) dump-guest-memory /dev/null
> >>>>>     this feature or command is not currently supported
> >>>>>
> >>>>> Signed-off-by: Laurent Vivier <lvivier@redhat.com>
> >>>>
> >>>> Applied to ppc-for-2.11.  I'm not really sure what to do with the rest
> >>>> of the series though.
> >>>
> >>> I can take the whole set through HMP.
> >>
> >> Could you update the comment in last patch as asked by Cornelia?
> >> (PATCH v3 3/3] tests/hmp: test "none" machine with memory)
> > 
> > Sure, do we understand what the error that patchew caught was?
> 
> We need the fix from Cornelia, otherwise the new test fails.
> 
> Do you want I resend the series including the fix from Cornelia to be
> sure patchew works?

Yes, that's best because I think you're saying we need to put
Cornelia's fix in before your 3/3 to ensure it's bisectable.

Dave

> Thanks,
> Laurent
--
Dr. David Alan Gilbert / dgilbert@redhat.com / Manchester, UK

  reply	other threads:[~2017-09-13 13:42 UTC|newest]

Thread overview: 48+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-09-12 14:01 [Qemu-arm] [PATCH v3 0/3] hmp: fix "dump-quest-memory" segfault Laurent Vivier
2017-09-12 14:01 ` [Qemu-devel] " Laurent Vivier
2017-09-12 14:01 ` [Qemu-arm] [PATCH v3 1/3] hmp: fix "dump-quest-memory" segfault (ppc) Laurent Vivier
2017-09-12 14:01   ` [Qemu-devel] " Laurent Vivier
2017-09-12 14:10   ` [Qemu-arm] " Thomas Huth
2017-09-12 14:10     ` [Qemu-devel] " Thomas Huth
2017-09-12 14:48   ` [Qemu-arm] " Greg Kurz
2017-09-12 14:48     ` [Qemu-devel] " Greg Kurz
2017-09-13  5:35   ` [Qemu-arm] " David Gibson
2017-09-13  5:35     ` [Qemu-devel] " David Gibson
2017-09-13 12:44     ` [Qemu-arm] " Dr. David Alan Gilbert
2017-09-13 12:44       ` [Qemu-devel] " Dr. David Alan Gilbert
2017-09-13 12:48       ` [Qemu-arm] " Cornelia Huck
2017-09-13 12:48         ` [Qemu-devel] " Cornelia Huck
2017-09-13 12:49       ` [Qemu-arm] " Laurent Vivier
2017-09-13 12:49         ` [Qemu-devel] " Laurent Vivier
2017-09-13 13:19         ` [Qemu-arm] " Dr. David Alan Gilbert
2017-09-13 13:19           ` [Qemu-devel] " Dr. David Alan Gilbert
2017-09-13 13:23           ` [Qemu-arm] " Laurent Vivier
2017-09-13 13:23             ` [Qemu-devel] " Laurent Vivier
2017-09-13 13:40             ` Dr. David Alan Gilbert [this message]
2017-09-13 13:40               ` Dr. David Alan Gilbert
2017-09-13 12:54       ` [Qemu-arm] " David Gibson
2017-09-13 12:54         ` [Qemu-devel] " David Gibson
2017-09-12 14:01 ` [Qemu-arm] [PATCH v3 2/3] hmp: fix "dump-quest-memory" segfault (arm) Laurent Vivier
2017-09-12 14:01   ` [Qemu-devel] " Laurent Vivier
2017-09-12 14:11   ` [Qemu-arm] " Thomas Huth
2017-09-12 14:11     ` [Qemu-devel] " Thomas Huth
2017-09-12 14:50   ` [Qemu-arm] " Greg Kurz
2017-09-12 14:50     ` [Qemu-devel] " Greg Kurz
2017-09-12 14:01 ` [Qemu-arm] [PATCH v3 3/3] tests/hmp: test "none" machine with memory Laurent Vivier
2017-09-12 14:01   ` [Qemu-devel] " Laurent Vivier
2017-09-12 14:13   ` [Qemu-arm] " Thomas Huth
2017-09-12 14:13     ` [Qemu-devel] " Thomas Huth
2017-09-13  7:53   ` Cornelia Huck
2017-09-13  7:53     ` Cornelia Huck
2017-09-12 14:17 ` [Qemu-devel] [PATCH v3 0/3] hmp: fix "dump-quest-memory" segfault no-reply
2017-09-12 14:17   ` no-reply
2017-09-12 14:46 ` [Qemu-arm] " Greg Kurz
2017-09-12 14:46   ` [Qemu-devel] " Greg Kurz
2017-09-12 14:51   ` Thomas Huth
2017-09-12 14:51     ` Thomas Huth
2017-09-12 15:26     ` Greg Kurz
2017-09-12 15:26       ` Greg Kurz
2017-09-12 15:36     ` [Qemu-arm] " Dr. David Alan Gilbert
2017-09-12 15:36       ` [Qemu-devel] " Dr. David Alan Gilbert
2017-09-13  5:34       ` [Qemu-arm] " David Gibson
2017-09-13  5:34         ` [Qemu-devel] " David Gibson

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