/usr/bin/gcj-dbtool problem

[Neal Becker]

Erwin Rol wrote:

> 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 at 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
> 
> 
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=179002