[Qt-creator] Error message when debugging

Poenitz Andre Andre.Poenitz at digia.com
Thu Jul 10 16:07:21 CEST 2014

Duane wrote:
> >> Qt 5, QtCreator 3.1.1.
> >>
> >> When I run a program in debug mode from the the IDE, when I close it, I
> >> get the popup message "Cannot find user-level thread for LWP 3336:
> >> generic error"  and I have to abort debugging manually.  Any idea what
> >> this is about?
> >
> > I haven't seen it before, but the message is mentioned on the GDB wiki:
> > http://sourceware.org/gdb/wiki/FAQ#GDB_reports_.22Cannot_find_user-
> > level_thread_for_LWP_23957:_generic_error.22.2C_how_do_I_fix_this.3F
> >
> > Maybe you have one of the setups mentioned there.

> Thanks for the reply.  Yes I saw this but I don't think it's the case.
> I do have some remote debugging set up but not for this project.  Also,
> it seems to only happen when I'm using Qt 5.3.  I've been using 4.8 for
> several Linux projects both with and without remote debugging but
> haven't seen this issue.  Unfortunately for this project I'm using
> QtSerialPort so I can't build it in Qt 4.

Can you open a bug report and append the contents of the debugger log?


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