Jeff Webb wrote: > Gilles Chanteperdrix wrote: >> Jeff Webb wrote: >>> Gilles Chanteperdrix wrote: >>> >>>> After the first Ctrl-C that does not work, could you try and attach gdb >>>> to see where the threads are stopped ? >>> >>> >>> I tried to do this, but was unable to determine the stopping point >>> using gdb. >> >> type simply: "info threads" >> then change thread to the main thread with "thread x", where x is the >> lowest thread id as listed by "info threads" >> then type: "backtrace" > > If I try to connect to the process after I press the ctrl-c one time, I > get: > > # gdb --pid=2660 > Attaching to process 2660 > warning: The current VSYSCALL page code requires an existing excuitable. > [sic]
Then why not trying to provide it? # gdb switchtest (gdb) r > Use "add-symbol-file-from-memory" to load the VSYSCALL page by hand > > Then the whole machine locks up, and I am forced to reboot. That's bad. Is the Xenomai watchdog active (if not, this might be some RT thread running wild)? Jan
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