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From: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
To: Peter Maydell <peter.maydell@linaro.org>
Cc: thuth@redhat.com, "Daniel P. Berrangé" <berrange@redhat.com>,
	quintela@redhat.com, s.reiter@proxmox.com, qemu-devel@nongnu.org,
	peterx@redhat.com,
	"open list:S390 general arch..." <qemu-s390x@nongnu.org>,
	"Philippe Mathieu-Daudé" <philippe.mathieu.daude@gmail.com>,
	hreitz@redhat.com, f.ebner@proxmox.com, jinpu.wang@ionos.com
Subject: Re: [PULL 00/18] migration queue
Date: Mon, 14 Mar 2022 17:54:53 +0000	[thread overview]
Message-ID: <Yi+BbRJ9lbJ4ku9L@work-vm> (raw)
In-Reply-To: <CAFEAcA-Chg3LQkh5PHmSyGCkmnYoPnTGMD=zm8jj-jxWeOLTxQ@mail.gmail.com>

* Peter Maydell (peter.maydell@linaro.org) wrote:
> On Mon, 14 Mar 2022 at 17:07, Daniel P. Berrangé <berrange@redhat.com> wrote:
> > So the test harness is waiting for a reply to 'query-migrate'.
> >
> > This should be fast unless QEMU has hung in the main event
> > loop servicing monitor commands, or stopped.
> 
> I was kind of loose with the terminology -- I don't remember whether
> it was actually hung in the sense of stopped entirely, or just
> "sat in a loop waiting for a migration state that never arrives".
> I'll try to look more closely if I can catch it in the act again.

Yeh, there's a big difference; still, if it's always in this test at
that point, then I think it's one for Juan; it looks like multifd cancel
path.

> One thing that makes this bug investigation trickier, incidentally,
> is that the migration-test code seems to depend on userfaultfd.
> That means you can't run it under 'rr'.

That should only be the postcopy tests; the others shouldn't use that.

Dave

> 
> -- PMM
> 
-- 
Dr. David Alan Gilbert / dgilbert@redhat.com / Manchester, UK



  parent reply	other threads:[~2022-03-14 18:00 UTC|newest]

Thread overview: 47+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-03-02 18:29 [PULL 00/18] migration queue Dr. David Alan Gilbert (git)
2022-03-02 18:29 ` [PULL 01/18] clock-vmstate: Add missing END_OF_LIST Dr. David Alan Gilbert (git)
2022-03-02 18:29 ` [PULL 02/18] virtiofsd: Let meson check for statx.stx_mnt_id Dr. David Alan Gilbert (git)
2022-03-02 18:29 ` [PULL 03/18] monitor/hmp: add support for flag argument with value Dr. David Alan Gilbert (git)
2022-03-02 18:29 ` [PULL 04/18] qapi/monitor: refactor set/expire_password with enums Dr. David Alan Gilbert (git)
2022-03-02 18:29 ` [PULL 05/18] qapi/monitor: allow VNC display id in set/expire_password Dr. David Alan Gilbert (git)
2022-03-02 18:29 ` [PULL 06/18] migration/rdma: set the REUSEADDR option for destination Dr. David Alan Gilbert (git)
2022-03-02 18:29 ` [PULL 07/18] migration: Dump sub-cmd name in loadvm_process_command tp Dr. David Alan Gilbert (git)
2022-03-02 18:29 ` [PULL 08/18] migration: Finer grained tracepoints for POSTCOPY_LISTEN Dr. David Alan Gilbert (git)
2022-03-02 18:29 ` [PULL 09/18] migration: Tracepoint change in postcopy-run bottom half Dr. David Alan Gilbert (git)
2022-03-02 18:29 ` [PULL 10/18] migration: Introduce postcopy channels on dest node Dr. David Alan Gilbert (git)
2022-03-02 18:29 ` [PULL 11/18] migration: Dump ramblock and offset too when non-same-page detected Dr. David Alan Gilbert (git)
2022-03-02 18:29 ` [PULL 12/18] migration: Add postcopy_thread_create() Dr. David Alan Gilbert (git)
2022-03-02 18:29 ` [PULL 13/18] migration: Move static var in ram_block_from_stream() into global Dr. David Alan Gilbert (git)
2022-03-02 18:29 ` [PULL 14/18] migration: Enlarge postcopy recovery to capture !-EIO too Dr. David Alan Gilbert (git)
2022-03-02 18:29 ` [PULL 15/18] migration: postcopy_pause_fault_thread() never fails Dr. David Alan Gilbert (git)
2022-03-02 18:29 ` [PULL 16/18] migration: Add migration_incoming_transport_cleanup() Dr. David Alan Gilbert (git)
2022-03-02 18:29 ` [PULL 17/18] tests: Pass in MigrateStart** into test_migrate_start() Dr. David Alan Gilbert (git)
2022-03-02 18:29 ` [PULL 18/18] migration: Remove load_state_old and minimum_version_id_old Dr. David Alan Gilbert (git)
2022-03-03 14:46 ` [PULL 00/18] migration queue Peter Maydell
2022-03-08 18:36   ` Philippe Mathieu-Daudé
2022-03-08 18:47     ` Dr. David Alan Gilbert
2022-03-14 16:56       ` Peter Maydell
2022-03-14 17:07         ` Daniel P. Berrangé
2022-03-14 17:15           ` Peter Maydell
2022-03-14 17:24             ` Daniel P. Berrangé
2022-03-14 17:54             ` Dr. David Alan Gilbert [this message]
2022-03-14 18:08               ` Peter Maydell
2022-03-14 18:20                 ` Dr. David Alan Gilbert
2022-03-14 18:53                   ` Daniel P. Berrangé
2022-03-15  2:41                     ` Peter Xu
2022-03-14 18:58             ` Peter Maydell
2022-03-14 19:44               ` Peter Maydell
2022-03-15 14:39                 ` multifd/tcp/zlib intermittent abort (was: Re: [PULL 00/18] migration queue) Peter Maydell
2022-03-15 15:03                   ` Peter Maydell
2022-03-15 15:30                     ` Peter Maydell
2022-03-15 15:40                       ` Daniel P. Berrangé
2022-03-15 15:44                         ` multifd/tcp/zlib intermittent abort Thomas Huth
2022-03-15 17:01                           ` Daniel P. Berrangé
2022-03-15 15:46                         ` multifd/tcp/zlib intermittent abort (was: Re: [PULL 00/18] migration queue) Peter Maydell
2022-03-15 16:14                     ` Dr. David Alan Gilbert
2022-03-15 16:21                       ` Peter Maydell
2022-03-15 14:53       ` [PULL 00/18] migration queue Christian Borntraeger
2022-04-21 16:40 Dr. David Alan Gilbert (git)
2022-04-21 18:44 ` Dr. David Alan Gilbert
2022-04-21 18:40 Dr. David Alan Gilbert (git)
2022-04-22  5:02 ` Richard Henderson

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