Bug#666742: xineliboutput-sxfe: vdr-sxfe fails on looking big images with xineliboutput plugin

[Tobias Grimm]

On 14.04.2013 20:38, Eric Lavarde wrote:

> In the mean time, a (probably stupid) question: I am the opinion that I
> had already everything in place to create a core dump but I didn't get
> one. I might have missed something and I didn't search further because I
> then thought that vdr-sxfe was not meant to core dump, but now that you
> ask for it, most probably it's also that I need ENABLE_CORE_DUMPS=1 to be
> set in vdr-sxfe's environment.
> Is this correct, or do I miss more?

ENABLE_CORE_DUMPS=1 makes the vdr init script call "ulimit -c unlimited"
and passes the "--userdump" option to vdr (required when vdr is run as
root but switches to a different user with -u).

vdr-sxfe is a separate process - setting ulimit -c unlimited is all you
should do. I couldn't find a custom SIGSEGV handler in the code, so this
should work.

I've just tested this with a kill -11 and it seems to work - a core dump
is created.

Please note, that you might need to add "ulimit -c unlimited" to the
script that calls vdr-sxfe on your system. By default the core dump will
be created in the working directory from which vdr-sxfe gets started, so
you might need to do a e.g. a "cd /tmp" before staring vdr-sxfe to be sure
its a writable directory.

Tobias


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