From: Christopher Faylor <cgf-use-the-mailinglist-please@cygwin.com>
To: cygwin@cygwin.com
Subject: Re: Please test snapshots
Date: Fri, 17 Aug 2012 14:37:00 -0000 [thread overview]
Message-ID: <20120817142506.GB20284@ednor.casa.cgf.cx> (raw)
In-Reply-To: <CE9C056E12502146A72FD81290379E9A49601815@ENFIRHMBX1.datcon.co.uk>
On Fri, Aug 17, 2012 at 09:07:30AM +0000, Adam Dinwoodie wrote:
>Christopher Faylor wrote:
>> On Tue, Aug 14, 2012 at 12:48:03PM +0000, Adam Dinwoodie wrote:
>>> I'm still using this snapshot (I've had no reason to stop until now), and
>>> have hit this issue two out of the last five times running Cygwin ping. The
>>> ping process is still visible in Process Explorer after hitting ^C. There's
>>> no obvious difference between when ^C terminates the process and when it
>>> doesn't.
>>
>> I managed to duplicate this once a couple of days ago in a mintty/tcsh
>> process but I had a very hard time consistently hitting it. So I wrote a
>> test case which ran ping repeatedly in a loop under mintty while another
>> process killed it. Eventually, I could duplicate the problem in a few
>> minutes. There were two problems, one illustrated by the "sigwaitinfo"
>> mentioned in another thread and another caused by a race.
>
>I'm seeing this much more regularly than that; it's pretty readily
>reproducible for me.
Yes, I got the fact that other people were able to duplicate the problem
easily.
>I've found leaving a couple of seconds between starting ping and trying
>to kill it, and leaving a couple of seconds between invocations, both
>help. I've not tested that thoroughly, though; it might be something
>to play with for trying to build a test case, but certainly not
>something I'd rely on as a symptom for debugging without further
>verification.
>
>> After making some changes to signal handling, I ran the test case for an
>> afternoon without issue.
>>
>> The current snapshot has these changes.
>>
>> I'd appreciate feedback on whether or not this fixes this problem.
>
>I'm still seeing exactly the same issue having taken the 20120816 snapshot. If
>anything, I've been hitting the problem more.
I should have asked this before: I don't think anyone has made it clear if they
are running the cygwin ping or the Windows one. I've been assuming Cygwin. Is
that correct?
cgf
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next prev parent reply other threads:[~2012-08-17 14:25 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-06 3:53 Christopher Faylor
2012-08-06 5:14 ` Daniel Colascione
2012-08-06 8:59 ` Achim Gratz
2012-08-08 13:04 ` Achim Gratz
2012-08-09 8:07 ` Achim Gratz
2012-08-06 15:31 ` Filipp Gunbin
2012-08-06 23:27 ` Daniel Colascione
2012-08-07 0:39 ` Daniel Colascione
2012-08-07 0:40 ` Daniel Colascione
2012-08-08 22:17 ` Christopher Faylor
2012-08-09 6:35 ` Daniel Colascione
2012-08-09 12:29 ` Achim Gratz
2012-08-09 14:54 ` Christopher Faylor
2012-08-09 15:06 ` Achim Gratz
2012-08-09 14:59 ` Daniel Colascione
2012-08-10 7:15 ` Achim Gratz
2012-08-10 14:36 ` Christopher Faylor
2012-08-10 18:12 ` Achim Gratz
2012-08-10 18:34 ` Christopher Faylor
2012-08-10 19:08 ` Achim Gratz
2012-08-10 20:24 ` Christopher Faylor
2012-08-10 20:37 ` Achim Gratz
2012-08-10 23:31 ` Christopher Faylor
2012-08-14 13:45 ` Adam Dinwoodie
2012-08-16 19:01 ` Christopher Faylor
2012-08-16 19:33 ` Ken Brown
2012-08-16 19:45 ` Christopher Faylor
2012-08-16 20:11 ` Ken Brown
2012-08-17 9:38 ` Adam Dinwoodie
2012-08-17 14:37 ` Christopher Faylor [this message]
2012-08-17 17:46 ` Adam Dinwoodie
2012-08-17 18:08 ` Christopher Faylor
2012-08-17 19:32 ` Achim Gratz
2012-08-17 9:40 ` Achim Gratz
2012-08-17 10:47 ` Achim Gratz
2012-08-14 19:23 ` jojelino
2012-08-14 19:41 ` Corinna Vinschen
2012-08-14 19:42 ` Christopher Faylor
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