On 16 Aug 2002, Philip Martin wrote:
> Jason White <jasonjgw@pacific.net.au> writes:
>
> > I am still experiencing memory faults, but I suspect they may be more
> > connected with the berkeley database than with svn proper. So far I
> > haven't been able to track down the cause. Here are the symptoms:
> >
> > Running various svn commands (co, ci, log etc.) sometimes, for no
> > predictable reason, induces a "memory fault" error message. The
> > database is always in an inconsistent state thereafter and must be
> > recovered.
> > Example:
> > [tmp_at_jdc]$ svn co file:///home/jason/svn/test
> > Memory fault
> >
> > The closest I managed to get to this while running gdb was a hang of
> > some sort, which had to be interrupted from the keyboard:
> >
> > Program received signal SIGINT, Interrupt.
> > [Switching to Thread 1024 (LWP 1991)]
> > 0x400b95c1 in __db_shalloc_4000 () from /usr/lib/libdb-4.0.so
> >
> > I don't have any reason to suspect any hardware problems; everything
> > else on my system is running normally, with no crashes or other
> > difficulties.
> >
> > [jason@jdc]$ uname -a
> > Linux jdc 2.4.17-xfs #1 Sat Jan 19 16:47:16 EST 2002 i686
> >
> > Any suggestions?
>
> Do you get a core file when you get "memory fault"? If not then you
> may need to enable core files (see the ulimit command). Once you have
> a core file do
>
> $ gdb /path/to/svn core
> (gdb) bt
>
> to get a backtrace.
>
> I'm not sure what causes "memory fault", is it a SIGBUS? I see
> "2.4.17-xfs", are you using XFS? Anyone know if XFS causes db4 and/or
> mmap problems? You could try running the db4 testsuite (I've never
> done that).
XFS shouldn't have any problems with DB4
I have been using svn repos on XFS systems since my involvement with
subversion, which would have included the 2.4.17-xfs timeframe.
--Dan
>
>
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Received on Fri Aug 16 07:15:37 2002