On Wed, Jul 25, 2007 at 12:05:04AM -0700, Andrew Morton wrote: > On Mon, 23 Jul 2007 13:05:22 -0400 Chris Lalancette <[EMAIL PROTECTED]> wrote: > > > (I tried to send this patch to linux-input@, but it seems to be currently > > having > > some problems, so I'm going directly to LKML). > > > > Certain (broken) pieces of South Bridge hardware will respond to > > i8042_read_status() on boot with 0x0, despite there not being a real i8042 > > controller hooked up in the south bridge. This can cause the detection for > > the > > i8042 to return a "phantom" device, which hangs up later initialization. > > Note > > that using "i8042.nokbd" and/or "i8042.noaux" do not help with this, since > > this > > shows up during i8042_controller_check() (before either of those options are > > checked). This patch adds a command-line option "i8042.disable", which just > > completely disables any checking for the i8042 controller. > > That's an unfortunate fix. Is there really no way in which we > can auto-detect such a situation without requiring a manual > setting?
The fact that the current detection hangs suggests that the scenario is possible to detect. -- Vojtech Pavlik Director SuSE Labs - 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/
