From: Wei Huang <wei@redhat.com>
To: "Emilio G. Cota" <cota@braap.org>, Thomas Huth <thuth@redhat.com>
Cc: Peter Maydell <peter.maydell@linaro.org>,
quintela@redhat.com,
"Dr. David Alan Gilbert (git)" <dgilbert@redhat.com>,
qemu-devel@nongnu.org, i.maximets@samsung.com, den@openvz.org
Subject: Re: [Qemu-devel] [PULL 2/7] tests/migration: Enable the migration test on s390x, too
Date: Thu, 18 Oct 2018 09:53:13 -0500 [thread overview]
Message-ID: <590abdea-cd12-651b-7130-86c1786da99a@redhat.com> (raw)
In-Reply-To: <20181018124328.GA1040@flamenco>
On 10/18/2018 07:43 AM, Emilio G. Cota wrote:
> On Thu, Oct 18, 2018 at 14:38:01 +0200, Thomas Huth wrote:
>> On 2018-10-17 21:28, Emilio G. Cota wrote:
>>> Can anyone reproduce this? Otherwise, let me know what other info
>>> I could provide.
>>
>> I've finally been able to reproduce it - seems like it only happens here
>> when the host is under heavy load.
Given that it only happens under heavy load, could the failure be caused
by migration thresholds defined in migrate_postcopy_prepare()? You can
play with "max-bandwidth", "downtime-limit" and others to see if it helps.
>>
>> ... not sure whether I've got time to debug this before KVM forum, so if
>> it bugs you, feel free to send a patch to disable the test in
>> tests/Makefile.include for s390x again.
>
> Glad you could reproduce! I'll disable the test locally for now.
>
> Thanks,
>
> Emilio
>
next prev parent reply other threads:[~2018-10-18 14:53 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-10-11 19:25 [Qemu-devel] [PULL 0/7] migration queue Dr. David Alan Gilbert (git)
2018-10-11 19:25 ` [Qemu-devel] [PULL 1/7] tests: Add migration test for aarch64 Dr. David Alan Gilbert (git)
2018-10-11 19:25 ` [Qemu-devel] [PULL 2/7] tests/migration: Enable the migration test on s390x, too Dr. David Alan Gilbert (git)
2018-10-17 19:28 ` Emilio G. Cota
2018-10-18 4:59 ` Thomas Huth
2018-10-18 12:38 ` Thomas Huth
2018-10-18 12:43 ` Emilio G. Cota
2018-10-18 14:53 ` Wei Huang [this message]
2018-10-19 10:42 ` Thomas Huth
2018-10-11 19:25 ` [Qemu-devel] [PULL 3/7] migration: Stop postcopy fault thread before notifying Dr. David Alan Gilbert (git)
2018-10-11 19:25 ` [Qemu-devel] [PULL 4/7] vhost-user: Fix userfaultfd leak Dr. David Alan Gilbert (git)
2018-10-11 19:25 ` [Qemu-devel] [PULL 5/7] vhost-user: Don't ask for reply on postcopy mem table set Dr. David Alan Gilbert (git)
2018-10-11 19:25 ` [Qemu-devel] [PULL 6/7] qmp, hmp: make subsystem/system-vendor identities optional Dr. David Alan Gilbert (git)
2018-10-11 19:25 ` [Qemu-devel] [PULL 7/7] migration-test: Only generate a single target architecture Dr. David Alan Gilbert (git)
2018-10-12 10:56 ` [Qemu-devel] [PULL 0/7] migration queue Peter Maydell
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