On Mon, 12 Oct 2009, Andrew Morton wrote: > > http://bugzilla.kernel.org/show_bug.cgi?id=14368 > > > > Summary: 5 seconds hang in kernel boot while before loading IBM > > Trackpoint > > I fear that I'm a bit vague with this, but it has annoyed me since a long time: > > > > I have a thinkpad T42 and recently I got a lenovo T400s. Both show the same > > behaviour: > > [ 4.704218] usb usb5: suspend_rh > > [ 7.906257] IBM TrackPoint firmware: 0x0e, buttons: 3/3 > > [ 8.150891] input: TPPS/2 IBM TrackPoint as > > /devices/platform/i8042/serio1/serio2/input/input7 > > > > After usb5 is loaded, it takes over 3 seconds for the IBM Trackpoint to come > > up. This is on the T400s, on the T42 it takes usually about 5 seconds. This > > delay happens always after usb and before the IBM Trackpoint firmware. > > > > If there is anything I can do to help debugging, just ping me. There are two things you might try. One is to build a kernel without USB support and the other is to build a kernel without i8042 support. See if the delay still occurs in those kernels; if it does then you'll have some good clues as to the cause. Alan Stern -- 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
