Re: wm(4) issues with 4.99.48

["Steven M. Bellovin" <smb%cs.columbia.edu@localhost>]

On Sun, 6 Jan 2008 15:05:04 -0500
Thor Lancelot Simon <tls%rek.tjls.com@localhost> wrote:

> On Sun, Jan 06, 2008 at 02:55:52PM +0100, Manuel Bouyer wrote:
> > On Sun, Jan 06, 2008 at 02:54:04PM +0100, Manuel Bouyer wrote:
> > > Hi,
> > > on a Xen system I'm now seeing these messages:
> > > wm0: could not acquire EEPROM GNT
> > > 
> > > in console. This is with a recent 4.99.48 kernel; I didn't see
> > > these with the previous (4.99.42) kernel. Anyone else see this ?
> > > Any idea ?
> 
> This is the same device where Steve Bellovin reported problems after I
> changed the interrupt mitigation timer settings to conform to Intel's
> application note.  You could try reverting that change, but if that
> does in fact fix your problem, we really need to figure out why.
> 
> I do not have a suitable device to test this on -- can we work
> together to try to get to the bottom of the problem?
> 
Slight correction: that's one of the devices where I reported trouble.
I also had trouble with an i82540EP.


                --Steve Bellovin, http://www.cs.columbia.edu/~smb