Subject: Re: NFS writes NetBSD vs FreeBSD
To: Jason Thorpe <firstname.lastname@example.org>
From: Andrey Petrov <email@example.com>
Date: 07/15/2004 19:49:08
On Thu, Jul 15, 2004 at 06:03:49PM -0700, Jason Thorpe wrote:
> On Jul 15, 2004, at 3:44 PM, Andrey Petrov wrote:
> >It enought to recompile i82557.c file without -mbwx to see timeouts on
> >'large file
> >write over nfs'. Smells like compiler bug.
> No, it's actually the stupid 82557. It requires a atomic write to a
> non-aligned region in order for proper operation. Fine on IA, not fine
> on almost everything else.
That raises a question why compiled with -mbwx doesn't need an atomic
operation? That's probably worth a look at i82557.s.
> I think FreeBSD has an #ifdef __alpha__ in their "fxp" driver to
> address this. I'm tempted to add one such myself, at this point.
If you have patch in mind I'll test it as everything is set up now.