Re: /usr/bin/gcj-dbtool problem

[Erwin Rol <mailinglists erwinrol com>]

On Thu, 2006-02-02 at 00:11 -0500, Dan Williams wrote:
> On Wed, 2006-02-01 at 23:11 -0500, Andrew Overholt wrote:
> > CCing Andrew Haley
> > 
> > * Erwin Rol <mailinglists erwinrol com> [2006-02-01 22:55]:
> > > 
> > > For a while i have the the problem that /usr/bin/gcj-dbtool hangs until
> > > i kill it. This is a problem because most java packages use it in their
> > > %pre and %post script, and so all installs (and updates) of java
> > > programs like eclipse and openoffice hang.
> > 
> > I believe Andrew Haley was tracking this down.  I don't think it has
> > anything to do with the CDT.
> 
> I was having a problem with this once with mock and the Extras
> buildsystem, and we thought the cause might have been python <= 2.3,
> which masks _all_ signals for new threads.  Somebody said that gcj uses
> signals for thread control, which may have lead to a deadlock waiting
> for a thread to exit when the signal was simply ignored due to python
> stupidity.  Not sure if signal masks have anything to do with rpm, but
> it seemed to be the issue with python <= 2.3.
> 

I don't think /usr/bin/rebuild-gcj-db or /usr/bin/rebuild-gcj-db have
anything to do with python, so i doubt it is a python issue. and
secondly the rawhide python version is 2.4.2. 

But a deadlock might be the cause, because when i hang strace on the
program it seems to wait on a futex. 

- Erwin