From: "Jan Beulich" <JBeulich@suse.com>
To: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Cc: Igor Druzhinin <igor.druzhinin@citrix.com>,
osstest-admin@xenproject.org,
xen-devel <xen-devel@lists.xenproject.org>,
Roger Pau Monne <roger.pau@citrix.com>
Subject: Re: [xen-unstable test] 112855: regressions - trouble: blocked/broken/fail/pass
Date: Mon, 28 Aug 2017 01:25:22 -0600 [thread overview]
Message-ID: <59A3E182020000780017449F@prv-mh.provo.novell.com> (raw)
In-Reply-To: <6a7219d3-1019-9537-c545-414a75e9a278@oracle.com>
>>> On 25.08.17 at 19:14, <boris.ostrovsky@oracle.com> wrote:
> On 08/25/2017 09:40 AM, Jan Beulich wrote:
>>>>> On 25.08.17 at 05:15, <osstest-admin@xenproject.org> wrote:
>>> flight 112855 xen-unstable real [real]
>>> http://logs.test-lab.xenproject.org/osstest/logs/112855/
>>>
>>> Regressions :-(
>>>
>>> Tests which did not succeed and are blocking,
>>> including tests which could not be run:
>>> test-amd64-i386-examine 7 reboot fail REGR. vs. 112809
>>> test-amd64-i386-freebsd10-amd64 7 xen-boot fail REGR. vs. 112809
>> These two are watchdog NMIs during the loading of Dom0. Most
>> likely candidate for introducing the issue is Boris' scrub series.
>
>
> I haven't been able to reproduce this but perhaps adding
> process_pending_softirqs() in alloc_heap_pages() and free_heap_pages()
> loops if CONFIG_SCRUB_DEBUG is set might help?
That's possible, but might as well only be papering over a deeper
issue, e.g. ...
> One other thing that also comes to mind is that there is probably no
> reason to scrub (and in some cases poison) pages during dom0 creation.
... this one: Iirc before your series Dom0 pages weren't being
scrubbed, and imo this property ought to be retained (also if
any other boot time allocations now suddenly got scrubbed).
Jan
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next prev parent reply other threads:[~2017-08-28 7:25 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-08-25 3:15 [xen-unstable test] 112855: regressions - trouble: blocked/broken/fail/pass osstest service owner
2017-08-25 13:40 ` Jan Beulich
2017-08-25 17:14 ` Boris Ostrovsky
2017-08-28 7:25 ` Jan Beulich [this message]
2017-08-28 13:57 ` Boris Ostrovsky
2017-08-28 14:02 ` Jan Beulich
2017-08-28 14:24 ` Boris Ostrovsky
2017-08-28 14:52 ` Jan Beulich
2017-08-28 15:36 ` Boris Ostrovsky
2017-08-29 8:07 ` Jan Beulich
2017-08-29 12:45 ` Boris Ostrovsky
2017-08-29 13:12 ` Jan Beulich
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