On Fri, Sep 14, 2007 at 08:30:59AM -0600, Robert Hancock wrote: > Do you have an example of specific hardware that exhibits this problem?
Well, first two results of google search for "disable bar when sizing": http://lkml.org/lkml/2002/12/21/95 http://lkml.org/lkml/2002/12/20/110 > So far after a similar patch has been in -mm for months there have been > no reports of any such problems. You cannot compare user base of -mm and release kernels. Also, note that we're talking about maybe 0.01% of systems running Linux. And similar patch appeared in various trees several times over the last decade and every time it had to be reverted. > This isn't guaranteed to help. I don't think it is only integrated > graphics that could cause this problem, I think that an add-on PCI > Express card can do this as well. Depending on the chipset memory decode > rules, any PCI or PCI Express device with a BAR large enough could cause > issues. No, it's impossible for several reasons. Most obvious one is that a PCI-E bridge does isolate stuff quite nicely. Ivan. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
