Dne Pá 18. června 2010 23:30:12 Paul Fox napsal(a): > i'm not sure this is really a libertas issue -- it might > be more of a USB issue. in any case, on an XO-1 laptop > running the OLPC variant of 2.6.31, there's a problem if a firmware > download is happening at the time that the system tries to suspend. > the firmware task refuses to be "frozen", and the system hangs > with: > [ 375.148013] Freezing of tasks failed after 20.00 seconds (1 tasks > refusing to freeze): > > there's a full log attached to http://dev.laptop.org/ticket/10176, > where you can see that device (re)discovery starts in the middle > of the system trying to suspend. > > as i implied above -- i'm not really sure where to start on this. > the XO is a little bit unique in that we do a hard reset of the > wlan device when we detect excessive command timeouts. it's > possible that this changes the sequencing of device discovery, but > i'd think any device insertion while the system is heading to sleep > might be an issue. > Hi, maybe CC linux-usb ? linux-usb@xxxxxxxxxxxxxxx > paul > =--------------------- > paul fox, pgf@xxxxxxxxxx > > _______________________________________________ > libertas-dev mailing list > libertas-dev@xxxxxxxxxxxxxxxxxxx > http://lists.infradead.org/mailman/listinfo/libertas-dev -- 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
