Re: [Xen-devel] xl: libxl_domain_info: getting domain info list: Bad address

[Ian Campbell <ian.campbell@xxxxxxxxxx>]

On Fri, 2015-09-11 at 10:26 +0100, Julien Grall wrote:
> Hi Ian,
> 
> On 11/09/2015 09:52, Ian Campbell wrote:
> > On Thu, 2015-09-10 at 18:07 +0100, Julien Grall wrote:
> > > Hi,
> > > 
> > > Riku reported me an error on their CI loop while run Xen on the
> > > Arndale:
> > > 
> > > Starting /usr/sbin/xenstored...
> > > Setting domain 0 name, domid and JSON config...
> > > libxl: error: libxl.c:675:libxl_domain_info: getting domain info
> > > list:
> > > Bad address
> > > libxl: error: libxl_dom.c:1869:libxl__userdata_path: unable to find
> > > domain info for domain 0: Bad address
> > > cannot store stub json config for Dom0
> > > Starting xenconsoled...
> > > Starting QEMU as disk backend for dom0
> > > /etc/init.d/xencommons: line 102: qemu-system-i386: command not found
> > > libxl: error: libxl.c:656:libxl_list_domain: getting domain info
> > > list:
> > > Bad address
> > > libxl_list_domain failed.
> > 
> > FWIW this caused this recent test failure of linux-next:
> > http://logs.test-lab.xenproject.org/osstest/logs/61690/test-armhf-armhf
> > -xl-arndale/info.html
> > I don't know for how long it has been failing, but may or may not be
> > bisectable by the automated bisector.
> 
> It's causing the issue on Linux next since the end of august:
> http://logs.test-lab.xenproject.org/osstest/results/history/test-armhf-ar
> mhf-xl-arndale/linux-next.html
> 
> The same problem appears in linux-linus from the 8th of september:
> http://logs.test-lab.xenproject.org/osstest/results/history/test-armhf-
> armhf-xl-arndale/linux-linus.html
> 
> Maybe the last job can be bisect from v4.2 tag?

It looks like it tried and got some really weird error:
http://logs.test-lab.xenproject.org/osstest/results/bisect/linux-linus/test-armhf-armhf-xl-arndale.leak-check--basis%288%29.html

Revision graph generation failed!
Error message:
 dot -Tps 
-o/home/logs/results/bisect/linux-linus/test-armhf-armhf-xl-arndale.leak-check--basis(8).ps
 
/home/logs/results/bisect/linux-linus/test-armhf-armhf-xl-arndale.leak-check--basis(8).dot:
 512  at Osstest.pm line 357.


It worked for me manually, I wonder if the issue is lack of escaping for
the ()'s?

Ian?

> 
> > 
> > > The full log can be found here: https://paste.debian.net/311187
> > > 
> > > I've looked at the osstest log and was able to find the same errors
> > > very often
> > > on the arndale. Although, it seems that the tests are still passing.
> > > For
> > > instance [1].
> > 
> > I don't see this message in any of the test logs.
> > 
> > It does appear in the serial logs, but with at "Sep  9 00:47:23" and
> > "Sep
> >   9 01:47:29" while this test was running from "2015-09-09 08:01:32 Z"
> > until
> > just after "2015-09-09 15:16:16 Z".
> > 
> > This is because the serial logs are not rotated for each new job and
> > they
> > aren't trimmed to only the relevant time span, so they can (and almost
> > always do) contain stuff from previous tests. You generally need to
> > scroll
> > to the end.
> 
> Damn, I though the serial logs was only containing the serial messages 
> for the current job.
> 
> I was doing some grep in the logs to see when it first appears. Sorry 
> for the confusion
> 
> Regards,
> 

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