slgui output with jack running, but no engine running yet:

[EMAIL PROTECTED]:~$ slgui
slgui: our URL is osc.udp://cheese:10400/
execing: 'sooperlooper -q -U osc.udp://cheese:10400/ -p 9951 -l 1 -c 2 -t 40 -m 
"/home/roger/.sooperlooper/default_midi.slb"'

slgui: spawned new engine  
slgui: gave up on spawned engine 


Only part of GUI is rendered at the "spawned new engine" point and after a 
short delay, the "gave up" line appears with a GUI message box: "No response 
from sooperlooper engine process.  Please make sure the JACK server is running. 
 Also check that the system's hostname resolves correctly"

The slgui output is the same with a sooperlooper engine running already,
but I think this is because slgui crashes the existing one before trying
to start a new one and crashing that one too.

Output of gdb slgui has one extra line of interest;
(gdb) run
Starting program: /usr/bin/slgui 
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
[Thread debugging using libthread_db enabled]
[New Thread -1220606256 (LWP 17898)]
(no debugging symbols found)
(no debugging symbols found)
---snip---
(no debugging symbols found)
(no debugging symbols found)
slgui: our URL is osc.udp://cheese:10785/
[New Thread -1222669424 (LWP 17907)]
execing: 'sooperlooper -q -U osc.udp://cheese:10785/ -p 9951 -l 1 -c 2 -t 40 -m 
"/home/roger/.sooperlooper/default_midi.slb"'

slgui: spawned new engine
OSC thread poll failed: Interrupted system call
slgui: gave up on spawned engine

I couldn't turn up any clues about that extra line, it seems to be an
effect of the engine segfault rather than a cause.

-- 
Sooperlooper segfaults when launched from slgui
https://bugs.launchpad.net/bugs/115152
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