On Fri, Mar 30, 2007 at 02:03:23PM -0400, Chuck Ebbert wrote: > Pete Zaitcev wrote: > > On Fri, 30 Mar 2007 11:00:12 -0400, Chuck Ebbert <cebbert@xxxxxxxxxx> wrote: > > > >> It seems like more and more problems with PCI MSI are turning up > >> in the 2.6.20 kernel. Discussion upstream concluded that maybe > >> it should have been off by default in 2.6.20, so maybe we should > >> just do that in Fedora and make people who want it use "pci=msi" > >> to enable it? It's probably not going to be really stable until > >> 2.6.22... > > > > I have a laptop (Dell 1501) where hard drive does not work unless MSI > > is off. It's not hard to add pci=nomsi, and Grubby copies it to new > > kernel's command line, but the downside is, it took me a day to figure > > out what was wrong. It completely looked like a garden variety SATA > > failure. Maybe we want to keep it on in Rawhide and publicise "look > > at /proc/interrupts, check if count is zero"? > > I was thinking more about FC6 where people are upgrading to 2.6.20 > and finding systems don't work that used to work. For FC7 it's > debatable since MSI is mostly fixed in 2.6.21, but I think I will > switch it off in FC6. Gets my vote too. I've turned off CONFIG_PCI_MSI and turned it back on about 2-3 times now for FC5/FC6, because each time it starts to look more promising, it seems to find new ways to regress. I might do a build next week in rawhide with it off again too, to see if any oddball bugs fall out. Dave -- http://www.codemonkey.org.uk _______________________________________________ Fedora-kernel-list mailing list Fedora-kernel-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/fedora-kernel-list
