On Wed, 15 Apr 2009 11:37:44 -0400 Mark Lord <lkml@xxxxxx> wrote: > Arjan van de Ven wrote: > > On Wed, 15 Apr 2009 10:25:05 -0400 > > Mark Lord <lkml@xxxxxx> wrote: > > > >> Greg KH wrote: > >>> .. > >>> The issue is that you were just lucky that your machine worked > >>> properly previously. My boxes with the same type of setup didn't, > >>> so I quickly realized what the root delay boot option was for. > >>> You need to just do the same thing here, there's nothing else we > >>> can do. > >> .. > >> > >> Bad excuse. > >> > >> SATA drives also take variable amounts of time to "show up" at > >> boot. Perhaps Jeff should customize libata for your and Arjan's > >> exact setups, just to help with understanding the point here. :) > > > > the difference is that with sata you know when you are done and > > have all possible drives. No so much much with USB. So with SATA we > > can, and do, wait for the scan to complete at the right point in > > the boot. > > > >> The speed ups are fine (and welcome), but we really now need > >> Arjan to follow-up with a patch to have the kernel *by default* > >> wait a little longer for the rootfs to show up. > >> > >> Not forever, just a few seconds to compensate for the regression. > > > > seconds!!!!! > > The whole kernel boots in half a second! > .. > > Oh, absolutely I agree. > > That's why I'm not suggesting a DELAY > but rather a TIMEOUT (where it keeps trying up until the timeout). This exists today. It's just not something Jeff chose to use ;) (because he didn't need to) > > For desktop, it should really just wait forever, > but I can understand situations (server room) > where that would be a Really Bad Idea. it's called rootwait and such :) -- Arjan van de Ven Intel Open Source Technology Centre For development, discussion and tips for power savings, visit http://www.lesswatts.org -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
