Re: [Qemu-devel] [PULL 03/36] hw/pci: delay bus_master_enable_region initialization - Mark Cave-Ayland

From: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
To: Marcel Apfelbaum <marcel@redhat.com>,
	Leon Alrae <leon.alrae@imgtec.com>,
	"Michael S. Tsirkin" <mst@redhat.com>
Cc: Peter Maydell <peter.maydell@linaro.org>,
	qemu-devel@nongnu.org, Paolo Bonzini <pbonzini@redhat.com>
Subject: Re: [Qemu-devel] [PULL 03/36] hw/pci: delay bus_master_enable_region initialization
Date: Mon, 11 Jul 2016 19:41:55 +0100	[thread overview]
Message-ID: <819ccefc-b0d7-527b-164a-6774f96b8ac5@ilande.co.uk> (raw)
In-Reply-To: <5783B8D5.9050309@redhat.com>

On 11/07/16 16:18, Marcel Apfelbaum wrote:

> On 07/11/2016 05:42 PM, Leon Alrae wrote:
>> Hi,
>>
>> This commit causes regressions in my MIPS tests. QEMU segfaults when
>> booting Linux on Malta board;
> 
> Hi Leon,
> 
> Is a good thing you caught it in the pull request, thanks!
> Is a pity we don't have a way to run sanity tests on all archs (beyond
> make check)
> 
>  this can be easily reproduced with
>> Aurelien's Debian images:
>>
>> wget
>> https://people.debian.org/~aurel32/qemu/mipsel/vmlinux-3.2.0-4-5kc-malta
>> wget
>> https://people.debian.org/~aurel32/qemu/mipsel/debian_wheezy_mipsel_standard.qcow2
>>
>> qemu-system-mips64el -M malta -kernel vmlinux-3.2.0-4-5kc-malta -hda
>> debian_wheezy_mipsel_standard.qcow2 -append "root=/dev/sda1
>> console=ttyS0" -nographic
>>
> 
> I'll reproduce and handle it, thanks!
> Marcel

FWIW this looks like the exact same backtrace I reported with
qemu-system-sparc64 so hopefully the solution should fix both problems :)

ATB,

Mark.