weak implementation of threads has problems - kse fix attached

Tim Robbins tim at robbins.dropbear.id.au
Tue Jun 8 03:19:26 GMT 2004

On Mon, Jun 07, 2004 at 07:57:35PM -0700, Sean McNeil wrote:

> Up front, I'd like to make a few apologies:
> 1) I am sorry for the length of this email.
> 2) Although some very valid opinions have been expressed, I respectfully
> have to disagree.  This email will hopefully strengthen my position.
> The problem:
> (If you just want kse threads to work for you properly, just apply the
> patch at the end of this email and try it out).
> kse threads on amd64 doesn't work with gnome.  It crashes applications
> here and there.  gnome-terminal is essentially unusable.
> I strongly believe this to be a binding issue.  I've examined rtld and
> I'm satisfied that it is behaving appropriately, so I took a long hard
> look at how FreeBSD has implemented the pthread interface, how it is
> being used, and how people expect it to behave.

Your patch looks useful in its own right, but GNOME, Firefox, Mozilla
and XMMS have not crashed once for me since I fixed context restoring in
libpthread on amd64. Strong references cannot possibly make the old
version of context.S work correctly.

I would be interested in hearing whether you still have problems with
libpthread and GNOME after updating your system, both with and without


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