[mythtv] Accessing http://localhost:6544 crashes my backend (0.20.2)

Eloy Paris peloy at chapus.net
Wed Aug 29 19:33:47 UTC 2007


Hi Rob,

On Tue, Aug 28, 2007 at 10:05:56PM -0700, Rob Smith wrote:

> Just off the cuff, but if you shutdown lmsensors, does it still crash?

Actually I don't have any lm-sensors stuff running. However, here's a
more positive update:

I built my own packages on an up-to-date Debian unstable build
environment and Christian Marillat's source packages and the resulting
mythbackend does not crash anymore. So, I think it is just a false
alarm, and probably a glitch in Christian's build environment. It was
completely reproducible here with his package, though.

Anyway, sorry for the noise, and I'll provide another update if I find
anything more substantiated.

Cheers,

Eloy.-

> On 8/28/07, Eloy Paris <peloy at chapus.net> wrote:
> > Hello developers,
> >
> > While trying to use MythWeb to see the status of my backend I found out
> > that accessing http://localhost:6544 crashes my backend.
> >
> > Here's a quick a dirty backtrace (no debugging symbols):
> >
> > ----------------------------------------------------------------------
> > Program received signal SIGSEGV, Segmentation fault.
> > [Switching to Thread -1347454064 (LWP 6022)]
> > 0xb5a0e53c in fread () from /lib/i686/cmov/libc.so.6
> > (gdb) where
> > #0  0xb5a0e53c in fread () from /lib/i686/cmov/libc.so.6
> > #1  0xb6668d0b in sensors_yylex () from /usr/lib/libsensors.so.3
> > #2  0xb6666daf in sensors_yyparse () from /usr/lib/libsensors.so.3
> > #3  0xb6665cf7 in sensors_init () from /usr/lib/libsensors.so.3
> > #4  0x0808050c in ?? ()
> > #5  0x080830bc in ?? ()
> > #6  0x0808333c in ?? ()
> > #7  0xb6e1b56f in HttpServer::DelegateRequest ()
> >    from /usr/lib/libmythupnp-0.20.2.so.0
> > #8  0xb6e1bfc3 in HttpWorkerThread::ProcessWork ()
> >    from /usr/lib/libmythupnp-0.20.2.so.0
> > #9  0xb6e189a1 in WorkerThread::run () from /usr/lib/libmythupnp-0.20.2.so.0
> > #10 0xb610f9d9 in QThreadInstance::start () from /usr/lib/libqt-mt.so.3
> > #11 0xb5c1e46b in start_thread () from /lib/i686/cmov/libpthread.so.0
> > #12 0xb5a884de in clone () from /lib/i686/cmov/libc.so.6
> > (gdb)
> > ----------------------------------------------------------------------
> >
> > Does this ring a bell to anyone?
> >
> > This is on Debian unstable with Christian Marillat's packages. 0.20.2.
> > libsensors has not been updated in a while. Can't say this was broken
> > before 0.20.2 (could be that it was broken but I had not noticed.)
> >
> > I am happy to re-build with debugging symbols if anyone things this will
> > help.
> >
> > Everything else seems to be fine with the backend.
> >
> > Thanks in advance.
> >
> > Cheers,
> >
> > Eloy.-


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