Re: [Xen-devel] [xen-unstable test] 142383: regressions - FAIL

From: Jan Beulich <jbeulich@suse.com>
To: "Roger Pau Monné" <roger.pau@citrix.com>,
	"Juergen Gross" <jgross@suse.com>
Cc: xen-devel@lists.xenproject.org,
	George Dunlap <george.dunlap@citrix.com>,
	osstest service owner <osstest-admin@xenproject.org>,
	Paul Durrant <paul@xen.org>
Subject: Re: [Xen-devel] [xen-unstable test] 142383: regressions - FAIL
Date: Tue, 8 Oct 2019 18:12:57 +0200	[thread overview]
Message-ID: <cda5e87c-d911-dab5-6555-1b3dfd94571c@suse.com> (raw)
In-Reply-To: <ccad4619-0366-a117-28ba-0e4eccd550b3@suse.com>

On 08.10.2019 13:31, Jan Beulich wrote:
> On 08.10.2019 13:15, Roger Pau Monné  wrote:
>> On Tue, Oct 08, 2019 at 12:42:25PM +0200, Jürgen Groß wrote:
>>> On 07.10.19 22:56, osstest service owner wrote:
>>>> flight 142383 xen-unstable real [real]
>>>> http://logs.test-lab.xenproject.org/osstest/logs/142383/
>>>>
>>>> Regressions :-(
>>>>
>>>> Tests which did not succeed and are blocking,
>>>> including tests which could not be run:
>>>>   test-amd64-amd64-libvirt-pair 22 guest-migrate/src_host/dst_host fail REGR. vs. 141822
>>>>   test-amd64-i386-libvirt-pair 22 guest-migrate/src_host/dst_host fail REGR. vs. 141822
>>>
>>> Hmm, test log says the guest didn't suspend.
>>>
>>> Could that be related to commit b183e180bce9303 ?
>>
>> The libvirt libxl daemon spits:
>>
>> 2019-10-07 12:31:09.953+0000: libxl-save-helper: starting save: Success
>> 2019-10-07 12:31:09.953+0000: xc: fd 40, dom 1, flags 1, hvm 0
>> 2019-10-07 12:31:09.954+0000: xc: Saving domain 1, type x86 PV
>> 2019-10-07 12:31:09.954+0000: xc: 64 bits, 4 levels
>> 2019-10-07 12:31:09.959+0000: xc: max_mfn 0x280000
>> 2019-10-07 12:31:09.959+0000: xc: p2m list from 0xffffc90000000000 to 0xffffc900000fffff, root at 0x27de0a
>> 2019-10-07 12:31:09.959+0000: xc: max_pfn 0x1ffff, p2m_frames 256
>> 2019-10-07 12:31:09.960+0000: xc: Failed to enable logdirty: 22,0,22 (22 = Invalid argument): Internal error
>> 2019-10-07 12:31:09.960+0000: xc: Save failed (22 = Invalid argument): Internal error
>> 2019-10-07 12:31:09.981+0000: libxl-save-helper: complete r=-1: Invalid argument
>> 2019-10-07 12:31:09.983+0000: libxl: libxl.c:752:libxl__fd_flags_restore: fnctl F_SETFL of fd 40 to 0x2
>> 2019-10-07 12:31:09.983+0000: libxl: libxl_event.c:1873:libxl__ao_complete: ao 0x7f760c002110: complete, rc=-8
>> 2019-10-07 12:31:09.983+0000: libxl: libxl_event.c:1842:libxl__ao__destroy: ao 0x7f760c002110: destroy
>>
>> Which seem to be related to the recent iommu changes, I would say it's
>> likely hitting the is_iommu_enabled check in paging_log_dirty_enable
>> and hence returning EINVAL.
>>
>> Adding Paul and Jan who worked on the series.
> 
> Well, as mentioned in reply to Paul's patch earlier today, I intend
> to commit the agreed upon half of it later today.

Actually I can't - the patch wants an ack from George first. I've
submitted v3 for this reason.

Jan

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