Re: Unresolved Win32 bug reports - Mailing list pgsql-hackers

From Jim C. Nasby
Subject Re: Unresolved Win32 bug reports
Date
Msg-id 20060424163738.GC38186@pervasive.com
Whole thread Raw
In response to Re: Unresolved Win32 bug reports  ("Qingqing Zhou" <zhouqq@cs.toronto.edu>)
List pgsql-hackers
On Mon, Apr 24, 2006 at 10:23:07AM +0800, Qingqing Zhou wrote:
> 
> "Tom Lane" <tgl@sss.pgh.pa.us> wrote
> > Martijn van Oosterhout <kleptog@svana.org> writes:
> > > On Thu, Apr 20, 2006 at 12:17:07PM -0500, Jim C. Nasby wrote:
> > >> Here's one to add to the list: running pgbench with a moderately heavy
> > >> load on an SMP box likes to trigger a state where the database (or
> > >> pgbench) just stops doing work (CPU usage drops to nothing, as does
> disk
> > >> activity).
> >
> > > Well, this sounds like a dead-lock, the obvious step would be to
> > > attached gdb to both and get a stack-trace...
> >
> > Yeah, I wonder if it's related to that apparent bug Qingqing saw in the
> > windows semaphore code?  It's clearly windows-specific since no one's
> > ever reported any such thing on Unixen.
> >
> 
> I also suspect the EAGAIN error reports are related to the semaphore code.
> So if possible, I suggest we patch the code and test it.

There a patched build available for testing? (I'd rather not have to
figure out how to get windows builds working, unless there's some kind
of instructions somewhere...)
-- 
Jim C. Nasby, Sr. Engineering Consultant      jnasby@pervasive.com
Pervasive Software      http://pervasive.com    work: 512-231-6117
vcard: http://jim.nasby.net/pervasive.vcf       cell: 512-569-9461


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