Date: Thu, 26 Apr 2007 17:42:20 -0400 From: John Baldwin <jhb@freebsd.org> To: freebsd-current@freebsd.org Cc: John-Mark Gurney <gurney_j@resnet.uoregon.edu>, Jack Vogel <jfvogel@gmail.com>, current@freebsd.org Subject: Re: MSI issues w/ Athlon64 X2 3800+ and nForce 430? Message-ID: <200704261742.21007.jhb@freebsd.org> In-Reply-To: <2a41acea0704221053r5630b054ked29d9238f248851@mail.gmail.com> References: <20070422064444.GK73385@funkthat.com> <2a41acea0704221053r5630b054ked29d9238f248851@mail.gmail.com>
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On Sunday 22 April 2007 01:53:54 pm Jack Vogel wrote: > On 4/21/07, John-Mark Gurney <gurney_j@resnet.uoregon.edu> wrote: > > I finally upgraded to -current that supports MSI, and I appear to be > > having issues w/ it. I have two different ethernet cards that exhibit > > issues on this system. An msk PCIe based card, and a PCI em based card... > > > > With MSI the msk card produced regular: > > msk1: watchdog timeout (missed Tx interrupts) -- recovering > > > > But was usable enough to push ~110meg/sec out. When I was watching an > > HD program streamed over http, there were regular hickups ever few > > minutes, which I figured was due to the above messages (though none > > appeared while watching), so I decided to switch back to my em based > > card, and w/ MSI the card is practically useless. I get: > > Apr 21 22:13:09 carbon kernel: em0: watchdog timeout -- resetting > > Apr 21 22:13:09 carbon kernel: em0: link state changed to DOWN > > Apr 21 22:13:12 carbon kernel: em0: link state changed to UP > > Apr 21 22:14:19 carbon kernel: em0: watchdog timeout -- resetting > > Apr 21 22:14:19 carbon kernel: em0: link state changed to DOWN > > > > Which ends up making things a bit difficult to pass usable traffic over > > the interface. > > That NIC is too old to use with MSI, anything not PCI Express is not > going to work reliably, even if at this point you arent stopped from > trying to set it, with changes to the driver forthcoming you will be. FWIW, I actually have used MSI with at least some PCI-X em(4) parts and it worked fine. -- John Baldwin
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