Re: Watchdog kicks in, 1.3.28, 1.3.29

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Am Dienstag 16 August 2005 11:43 schrieb Malte Schr?der:
> Malte Schr?der wrote:
> > Thomas Bartschies wrote:
> >>>Hi,
> >>>same for me here. Seems to me like an unsolved NPTL problem,
> >>>because it only happens, if I don't use LD_ASSUME_KERNEL=2.4.1.
> >
> > I will try LD_ASSUME_KERNEL, let's see ...
>
> Seems to "fix" the problem .. so how can we debug this?

See if the problem exists running under gdb as well. If it does, set a 
breakpoint to the watchdog function (maybe gdb catches SIGALRM before).
When the watchdog expires, get a bt from all threads (thread apply all bt)
and examine where the main thread is hanging.
If the error does not occur, let VDR segfault in Watchdog() (something like 
(*((int *)0))++; will do this), and examine the core file (set ulimit -c 
unlimited)

Marcel

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