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From: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
To: Peter Maydell <peter.maydell@linaro.org>
Cc: QEMU Developers <qemu-devel@nongnu.org>,
	Juan Quintela <quintela@redhat.com>
Subject: Re: migration qtest failure: "query-migrate shows failed migration: Unable to write to socket: Broken pipe"
Date: Thu, 15 Dec 2022 13:44:43 +0000	[thread overview]
Message-ID: <Y5sky/DfG1Dh/TVg@work-vm> (raw)
In-Reply-To: <CAFEAcA-yqYbjc_BVjQenTfS2_Bwo6OhtbQtwJb36aYgiocm+0Q@mail.gmail.com>

* Peter Maydell (peter.maydell@linaro.org) wrote:
> On Thu, 15 Dec 2022 at 12:52, Dr. David Alan Gilbert
> <dgilbert@redhat.com> wrote:
> >
> > * Peter Maydell (peter.maydell@linaro.org) wrote:
> > > It doesn't seem to repro running manually, my guess is that
> > > it happens because the machine is heavily loaded doing the
> > > whole build-and-test cycle.
> >
> > Yeh; I think we'll still need a backtrace or better qmp log though to
> > figure it out.
> 
> Unfortunately, often all you get is "what does 'make check' output".
> Is there a way we can improve the test so it outputs something
> more useful when it detects a failure ?

I can't think how to improve the test itself like that; could you bind
assertion failures to call/print a backtrace:

https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man3/backtrace.3.html

?

Dave

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



  reply	other threads:[~2022-12-15 13:45 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-12-15 11:17 migration qtest failure: "query-migrate shows failed migration: Unable to write to socket: Broken pipe" Peter Maydell
2022-12-15 11:40 ` Dr. David Alan Gilbert
2022-12-15 11:54   ` Peter Maydell
2022-12-15 12:52     ` Dr. David Alan Gilbert
2022-12-15 13:14       ` Peter Maydell
2022-12-15 13:44         ` Dr. David Alan Gilbert [this message]
2022-12-16 15:22 ` Peter Maydell

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