Re: [Xen-devel] Problem booting Debian buster on arndale

[Julien Grall <julien@xxxxxxx>]

Hi,

On 06/12/2019 18:08, Ian Jackson wrote:
> Julien Grall writes ("Re: Problem booting Debian buster on arndale"):
> > On 06/12/2019 16:47, Ian Jackson wrote:
> > > It seems to have hung during boot.  NB that I don't know whether this
> > > is a one-off.
> > Looking at [1], most of the recent flight have managed to boot Xen on
> > the arndale. However, I somehow can't find the flight 144312 in that
> > list. Do you have any idea why?
> The flight in question was not on the xen-unstable "branch", and not
> officially blessed, because it's part of my buster work.
>
> I found a second instance in the same flight:
>    
> http://logs.test-lab.xenproject.org/osstest/logs/144312/test-armhf-armhf-examine/info.html
>
> I think it must be specific to buster, but that is rather mysterious.
> After all it is supposed to be the same kernel and Xen as the current
> osstest mainline is using.  Maybe the new compiler is doing something
> unexpected.
Looking at the command line for Linux, we don't pass clk_ignore_unused. 
Without it, the Linux may disable the clock of the UART if it wasn't 
shared with another device. This would explain the sudden loss of the 
console.
The following line in Osstest/Debian.pm would need to be updated:

     push @xenkopt, "clk_ignore_unused"
            if $ho->{Suite} =~ m/wheezy|jessie|stretch/;

Cheers,

--
Julien Grall

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