linux-kernel - Re: linux-next: Tree for Aug 31 (new arm, arm64, s390 failures)

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Date:	Mon, 31 Aug 2015 08:47:07 -0700
From:	Guenter Roeck <linux@...ck-us.net>
To:	Marc Zyngier <marc.zyngier@....com>
CC:	Stephen Rothwell <sfr@...b.auug.org.au>,
	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org,
	"pi-cheng.chen" <pi-cheng.chen@...aro.org>,
	Alexei Starovoitov <ast@...mgrid.com>
Subject: Re: linux-next: Tree for Aug 31 (new arm, arm64, s390 failures)

Hi Marc,

On 08/31/2015 08:31 AM, Marc Zyngier wrote:
> On Mon, 31 Aug 2015 07:17:36 -0700
> Guenter Roeck <linux@...ck-us.net> wrote:
>
> Hi Guenter,
>
>> Qemu test results:
>> 	total: 85 pass: 74 fail: 11
>> Failed tests:
>> 	arm:vexpress-a9:arm_vexpress_defconfig:vexpress-v2p-ca9
>> 	arm:vexpress-a15:arm_vexpress_defconfig:vexpress-v2p-ca15-tc1
>> 	arm:vexpress-a9:multi_v7_defconfig:vexpress-v2p-ca9
>> 	arm:vexpress-a15:multi_v7_defconfig:vexpress-v2p-ca15-tc1
>> 	arm:realview-pb-a8:arm_realview_pb_defconfig
>> 	arm:realview-eb:arm_realview_eb_defconfig
>> 	mips:fuloong2e_defconfig
>> 	xtensa:dc232b:lx60:xtensa_defconfig
>> 	xtensa:dc232b:kc705:xtensa_defconfig
>> 	xtensa:dc233c:ml605:generic_kc705_defconfig
>> 	xtensa:dc233c:kc705:generic_kc705_defconfi
>>
>> Notable new failures (since next-20150828) are the s390 build failures,
>> the arm64 build failure, and the arm qemu test failures.
>>
>
> [...]
>
>> The qemu arm tests all fail silently, meaning there is no console
>> output. Bisect points to 'irqchip/GIC: Convert to EOImode == 1'.
>> Bisect log attached.
>
> Could you give me a qemu command-line I can use to track this down?
> Real HW seems happy enough, from what I can see...
>

That is what I was most concerned about :-(. Unfortunately, it
affects many of the most widely used arm qemu emulations, so it
would be very desirable to get this fixed, either in the kernel
or in qemu.

See https://github.com/groeck/linux-build-test, specifically
https://github.com/groeck/linux-build-test/tree/master/rootfs/arm/.
run-qemu-arm.sh includes the various command lines and configurations.

Note that some of the tests require a patched version of qemu.
The tests failing above should all work with the latest published
version of qemu (2.4), though.

Please let me know if there is anything I can do to help tracking
this down.

Thanks,
Guenter

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