/usr/bin/gcj-dbtool problem

[Andrew Haley]

Dan Williams writes:
 > 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.

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

I'm pretty sure it's a kernel problem.  It has never been reported on
any system except Feodra, and replacing kernel 2.6.15-1.1869_FC5 with
vanilla 2.6.15 (build with fedora .config) seems to fix it.

Andrew.