Re: [Xen-devel] debina hang after "random: crng init done"

From: Jan Beulich <jbeulich@suse.com>
To: Ian Jackson <ian.jackson@citrix.com>
Cc: Juergen Gross <jgross@suse.com>,
	Andrew Cooper <Andrew.Cooper3@citrix.com>,
	George Dunlap <George.Dunlap@citrix.com>,
	"xen-devel@lists.xenproject.org" <xen-devel@lists.xenproject.org>,
	Boris Ostrovsky <boris.ostrovsky@oracle.com>,
	Roger Pau Monne <roger.pau@citrix.com>
Subject: Re: [Xen-devel] debina hang after "random: crng init done"
Date: Fri, 6 Dec 2019 17:57:40 +0100	[thread overview]
Message-ID: <23d38b1b-291b-4abb-07b5-66b982e758dd@suse.com> (raw)
In-Reply-To: <24042.34572.522244.289318@mariner.uk.xensource.com>

On 06.12.2019 17:51, Ian Jackson wrote:
> Ian Jackson writes ("Re: [Xen-devel] [xen-unstable test] 144289: tolerable FAIL"):
>> Jan Beulich writes ("Re: [Xen-devel] [xen-unstable test] 144289: tolerable FAIL"):
>>> On 25.11.2019 14:58, osstest service owner wrote:
>> ...
>>>>  test-amd64-amd64-libvirt-xsm  7 xen-boot                   fail pass in 144283
>>>
>>> Other than the shell prompt not appearing, I can't see any
>>> indication of what may have gone wrong here for which reason.
>>
>> The last message printed was
>>   random: crng init done
>>
>> This seemed familiar.  Searching my email found
>>
>>   osstest service owner writes ("[osstest test] 143493: regressions - FAIL"):
>>   > flight 143493 osstest real [real]
>>   > http://logs.test-lab.xenproject.org/osstest/logs/143493/
>>   > 
>>   > Regressions :-(
>>   > 
>>   > Tests which did not succeed and are blocking,
>>   > including tests which could not be run:
>>   >  test-amd64-amd64-pair        10 xen-boot/src_host        fail REGR. vs. 143392
>>
>>   I don't know what this is.  Linux fails to boot under Xen.  The last
>>   message is
>>     random: crng init done
>>   But it doesn't seem at all probable that this is anything to do
>>   with osstest.
>>
>> That was with debina1.
>>
>> So either both these hosts have a similar hardware fault, or there is
>> something else wrong.
> 
> Hi.  Is it possible that some x86 or kernel expert could help to
> investigate this ?

For kernel I guess you meant to Cc Boris and Jürgen, not so much
Konrad?

> I have a repro with Debian buster, too, here:
>   http://logs.test-lab.xenproject.org/osstest/logs/144312/test-amd64-i386-xl-raw/info.html

Does "repro" mean you're able to reliable trigger this? I ask
because so far, with all branches affected afaict, it looked
pretty sporadic.

Jan

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