* [sup-talk] Sup locking up
@ 2009-06-11 9:05 Marcus Williams
2009-06-11 11:23 ` Ben Walton
0 siblings, 1 reply; 7+ messages in thread
From: Marcus Williams @ 2009-06-11 9:05 UTC (permalink / raw)
Hi -
Something new has started happening in sup ? I think this is what
Edward was talking about, but it appears to lock up every now and
again in a way that it never used to.
Once its locked up it doesnt come back and I dont seem to be able to
ctrl-c/d/z out of it. Its only started in the last few days and I dont
think its my IMAP server.
Oddly its breaking my screen session as well which is odder still -
the screen with sup running is locked completely (I can create new
shells from screen and use them fine, its just the sup session within
screen).
Anyone else seeing this (running next branch)?
Marcus
^ permalink raw reply [flat|nested] 7+ messages in thread
* [sup-talk] Sup locking up
2009-06-11 9:05 [sup-talk] Sup locking up Marcus Williams
@ 2009-06-11 11:23 ` Ben Walton
2009-06-11 14:23 ` Marcus Williams
0 siblings, 1 reply; 7+ messages in thread
From: Ben Walton @ 2009-06-11 11:23 UTC (permalink / raw)
Excerpts from Marcus Williams's message of Thu Jun 11 05:05:38 -0400 2009:
> Anyone else seeing this (running next branch)?
No...and I'm running from the most recent next with a few local
patches (message bouncing, currently). I run in screen as well.
Is there anything constant about when the lockup occurs? Has anything
else about your system/setup changed that could impact this?
Thanks
-Ben
--
Ben Walton
Systems Programmer - CHASS
University of Toronto
C:416.407.5610 | W:416.978.4302
GPG Key Id: 8E89F6D2; Key Server: pgp.mit.edu
Contact me to arrange for a CAcert assurance meeting.
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^ permalink raw reply [flat|nested] 7+ messages in thread
* [sup-talk] Sup locking up
2009-06-11 11:23 ` Ben Walton
@ 2009-06-11 14:23 ` Marcus Williams
2009-06-11 15:46 ` Ben Walton
0 siblings, 1 reply; 7+ messages in thread
From: Marcus Williams @ 2009-06-11 14:23 UTC (permalink / raw)
On 11.6.2009, Ben Walton wrote:
> No...and I'm running from the most recent next with a few local
> patches (message bouncing, currently). I run in screen as well.
Mmmmm. Strange.
> Is there anything constant about when the lockup occurs? Has anything
> else about your system/setup changed that could impact this?
I _think_ it occurs during a poll for new messages. Its difficult to
tell though because like I say that "window" in screen gets completely
blocked, only killing sup will get out of it (kill -9 rather than a
ctrl-c/z/d). Its very odd.
Nothing has changed on my box bar sup in recent weeks.
Marcus
^ permalink raw reply [flat|nested] 7+ messages in thread
* [sup-talk] Sup locking up
2009-06-11 14:23 ` Marcus Williams
@ 2009-06-11 15:46 ` Ben Walton
2009-06-11 17:58 ` Andrei Thorp
2009-06-12 4:38 ` Edward Z. Yang
0 siblings, 2 replies; 7+ messages in thread
From: Ben Walton @ 2009-06-11 15:46 UTC (permalink / raw)
Excerpts from Marcus Williams's message of Thu Jun 11 10:23:28 -0400 2009:
> I _think_ it occurs during a poll for new messages. Its difficult to
> tell though because like I say that "window" in screen gets completely
> blocked, only killing sup will get out of it (kill -9 rather than a
> ctrl-c/z/d). Its very odd.
Can you strace/truss/whatever the ruby process running sup to see what
it's doing?
> Nothing has changed on my box bar sup in recent weeks.
...ok. At least that rules out most external interference.
Thanks
-Ben
--
Ben Walton
Systems Programmer - CHASS
University of Toronto
C:416.407.5610 | W:416.978.4302
GPG Key Id: 8E89F6D2; Key Server: pgp.mit.edu
Contact me to arrange for a CAcert assurance meeting.
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^ permalink raw reply [flat|nested] 7+ messages in thread
* [sup-talk] Sup locking up
2009-06-11 15:46 ` Ben Walton
@ 2009-06-11 17:58 ` Andrei Thorp
2009-06-11 19:09 ` Marcus Williams
2009-06-12 4:38 ` Edward Z. Yang
1 sibling, 1 reply; 7+ messages in thread
From: Andrei Thorp @ 2009-06-11 17:58 UTC (permalink / raw)
Yeah...
I have a theory. Have you learned some new stuff about screen lately?
Screen has this binding that pretty much makes it freeze up. I guess
I'm talking about http://savannah.gnu.org/bugs/?11610 which applies to
screen 4.0.0, which is the one people have.
Try maybe running sup out of screen for a while and see if it can happen then.
Another test: if screen locks up but sup respects regular kill (not
-9), sup's not locked up itself.
-AT
^ permalink raw reply [flat|nested] 7+ messages in thread
* [sup-talk] Sup locking up
2009-06-11 17:58 ` Andrei Thorp
@ 2009-06-11 19:09 ` Marcus Williams
0 siblings, 0 replies; 7+ messages in thread
From: Marcus Williams @ 2009-06-11 19:09 UTC (permalink / raw)
On 11.6.2009, Andrei Thorp wrote:
> I have a theory. Have you learned some new stuff about screen lately?
> Screen has this binding that pretty much makes it freeze up. I guess
> I'm talking about http://savannah.gnu.org/bugs/?11610 which applies to
> screen 4.0.0, which is the one people have.
I dont think debian has this problem, although I may have hit ctrl-a
and then s by accident (I actually tried ctrl-q thinking that I had
hit ctrl-s by accident when it hung but nothing happened... forgetting
that I was in screen so would need to prepend ctrl-a). Its a bit wierd
that its happened to me recently and not before though if this is what
it was - I leave sup running in screen as it makes imap bearable and
havnt run into this problem until recently when its happened a couple
of times. I'll keep an eye on it and see if it happens again.
Marcus
^ permalink raw reply [flat|nested] 7+ messages in thread
* [sup-talk] Sup locking up
2009-06-11 15:46 ` Ben Walton
2009-06-11 17:58 ` Andrei Thorp
@ 2009-06-12 4:38 ` Edward Z. Yang
1 sibling, 0 replies; 7+ messages in thread
From: Edward Z. Yang @ 2009-06-12 4:38 UTC (permalink / raw)
Excerpts from Ben Walton's message of Thu Jun 11 11:46:19 -0400 2009:
> Can you strace/truss/whatever the ruby process running sup to see what
> it's doing?
Seconded. You can attach strace to Sup while it's running, and it
will give you a good fingerprint for what the process is doing when
it locks up.
Cheers,
Edward
^ permalink raw reply [flat|nested] 7+ messages in thread
end of thread, other threads:[~2009-06-12 4:38 UTC | newest]
Thread overview: 7+ messages (download: mbox.gz / follow: Atom feed)
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2009-06-11 9:05 [sup-talk] Sup locking up Marcus Williams
2009-06-11 11:23 ` Ben Walton
2009-06-11 14:23 ` Marcus Williams
2009-06-11 15:46 ` Ben Walton
2009-06-11 17:58 ` Andrei Thorp
2009-06-11 19:09 ` Marcus Williams
2009-06-12 4:38 ` Edward Z. Yang
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