Re: [Xen-devel] build issue due to '-Werror=cast-align' on ARM (armhf) [was: Re: [libvirt test] 63528: regressions - FAIL]

[Jim Fehlig <jfehlig@xxxxxxxx>]

On 11/13/2015 10:00 AM, Dario Faggioli wrote:
> Hello,
>
> The Xen Project's automated test suite is failing at running its
> libvirt tests for a few time, like this:
>
> On Wed, 2015-11-04 at 09:04 +0000, osstest service owner wrote:
>> flight 63528 libvirt real [real]
>> http://logs.test-lab.xenproject.org/osstest/logs/63528/
>>
>> Regressions :-(
>>
>> Tests which did not succeed and are blocking,
>> including tests which could not be run:
>>  build-armhf-libvirt           5 libvirt-build             fail REGR. vs. 
>> 63340
>>
> More specifically (from a more recent run):
>
>   CC     util/libvirt_util_la-virnetdevmacvlan.lo
> util/virnetdev.c: In function 'virNetDevParseDadStatus':
> util/virnetdev.c:1319:188: error: cast increases required alignment of target 
> type [-Werror=cast-align]
> util/virnetdev.c:1332:41: error: cast increases required alignment of target 
> type [-Werror=cast-align]
> util/virnetdev.c:1334:92: error: cast increases required alignment of target 
> type [-Werror=cast-align]
> cc1: all warnings being treated as errors
> make[3]: *** [util/libvirt_util_la-virnetdev.lo] Error 1
> make[3]: *** Waiting for unfinished jobs....
> make[3]: Leaving directory 
> `/home/osstest/build.64130.build-armhf-libvirt/libvirt/src'
> make[2]: *** [all] Error 2
> make[2]: Leaving directory 
> `/home/osstest/build.64130.build-armhf-libvirt/libvirt/src'
> make[1]: *** [all-recursive] Error 1
> make[1]: Leaving directory 
> `/home/osstest/build.64130.build-armhf-libvirt/libvirt'
> make: *** [all] Error 2

Yep, noticed this several days ago but haven't yet found time to investigate.

> The changeset being tested last, as of now, and still failing, is:
> db92aee2b477355759351889e37a365379b43bf6

I did notice the bisector ran and flagged commit 0f7436ca

http://lists.xenproject.org/archives/html/xen-devel/2015-10/msg03385.html

I've cc'd author of that commit.

Regards,
Jim

>
> Full logs available at the following links:
> http://logs.test-lab.xenproject.org/osstest/logs/64130/build-armhf-libvirt/info.html
> http://logs.test-lab.xenproject.org/osstest/logs/64130/build-armhf-libvirt/5.ts-libvirt-build.log
>
> Right now, I don't have an ARM cross build environment handy to try to
> reproduce and attempt a fix, so I figured I at least was reporting it
> here.
>
> Regards,
> Dario


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