On sunnuntai 21 helmikuu 2010 23:28:54 Alan Stern wrote: > On Sat, 20 Feb 2010, Oliver Neukum wrote: > > Am Samstag, 20. Februar 2010 17:03:41 schrieb Anssi Hannula: > > > > Can load usbserial with "debug=1"? > > > > > > Here's the end of dmesg when running with that option: > > > http://stuff.onse.fi/gobi2000/gobi-regression.dmesg.log > > > > > > This is again with the gobi_loader with extra sleep added in the > > > beginning. Otherwise it hangs (which is the actual original problem). > > > > That log makes sure that the final cancellation comes from closing > > the file. Is that a log of a working run? > > Could this simply be one of those cases where the device file is closed > just after the final write URB is submitted but before it can complete, > so the URB gets cancelled and the data isn't transferred? Seems so. I don't think that is the expected behaviour though (and of course it used to work). And of course this doesn't explain why it hangs (and the WARNING) if I remove the sleep calls I added in gobi_loader. -- Anssi Hannula -- 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
