Antony P Joseph on 3 Jul 2007 18:16:03 -0000 |
Hi How about trying with ltrace to see whether the problem fanifests in it? With regards Antony On Tue, 2007-07-03 at 12:40 -0500, Greg Lopp wrote: > Sounds like it was a lockup, not a failure. When he tried to debug > the problem with strace, the problem did not manifest. I do so love > the Heisenbugs[1]. > > Is it acceptable to run it via "strace -o /dev/null <program> &" or > some such? > > > > 1] http://en.wikipedia.org/wiki/Heisenbug#Heisenbugs > > > On 7/3/07, Mag Gam <magawake@gmail.com> wrote: > Is there a 'core' dump? or segment fault? What libraries is > the application using (ldd)? > > > > On 7/3/07, Jon Nelson <lists@linuxnotes.net > wrote: > On Tue, 2007-07-03 at 08:53 -0500, Greg Lopp wrote: > > Is this your program (that you are still debugging) > or a more > > established package? > > > > Sounds like a race condition. The processing time > consumed by strace > > overhead may be the element which prevents the > hang. Can you tell us > > more about the program or "certain keys"? > > > > > > On 7/3/07, Jon Nelson <lists@linuxnotes.net> wrote: > > Hi all, > > > > I have a program that starts up, but after > certain keys are > > pressed it > > hangs. I used strace to run the program and > it runs fine. I > > am > > baffled. Is there any obvious reason this > happening? > > > > Jon > > I knew I would get that question. I can't talk about > the specifics of > the program, but let's say that it is a UI with many > options to choose > from on the main screen. You can arrow to the > different options, but as > soon as you try to execute one of the options (Enter) > it will freeze. > It also freezes when you try to exit normally (Esc). > > Thanks for the help. > > Jon > > ___________________________________________________________________________ > Philadelphia Linux Users Group > -- http://www.phillylinux.org > Announcements - > http://lists.phillylinux.org/mailman/listinfo/plug-announce > General Discussion -- > http://lists.phillylinux.org/mailman/listinfo/plug > > > > ___________________________________________________________________________ > Philadelphia Linux Users Group -- > http://www.phillylinux.org > Announcements - > http://lists.phillylinux.org/mailman/listinfo/plug-announce > General Discussion -- > http://lists.phillylinux.org/mailman/listinfo/plug > > > ___________________________________________________________________________ > Philadelphia Linux Users Group -- http://www.phillylinux.org > Announcements - http://lists.phillylinux.org/mailman/listinfo/plug-announce > General Discussion -- http://lists.phillylinux.org/mailman/listinfo/plug ___________________________________________________________________________ Philadelphia Linux Users Group -- http://www.phillylinux.org Announcements - http://lists.phillylinux.org/mailman/listinfo/plug-announce General Discussion -- http://lists.phillylinux.org/mailman/listinfo/plug
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