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Hi Reg, > I havent anything to add to your comments, except to make sure you saw > my comments about USB/HID problems that I have encountered with a UPS. > > Since the message was short, I reproduce it here: Fine as I seem to have missed it. --- >... > (1) When doing a read to get hiddev_event structures, 2.4 only > gave the 'real' events from the device that one expected. > Under 2.6.0-testx there are several ZERO event structures/sec > where the entire structure is ZERO, both hid and value. > > For the current code there may be a 'real' event every few > seconds, and 5-10 of these zero events/sec. I have no > idea where they are coming from. > I have logged this in bugzilla for some times, but didn't had time to go deeper (http://bugzilla.kernel.org/show_bug.cgi?id=795) Eric Penner also added: http://bugzilla.kernel.org/show_bug.cgi?id=1048 > (2) In one thread the code does a select, followed by a read if > data is available. If one just 'falls thru' to the read with > the few lines of code it takes to do the checking, one gets > up to 45000 messages/minute (750/sec) reading: > > kernel: drivers/usb/input/hid-core.c: control queue full > > If one puts a 1/10sec sleep between these two commands, the > error messages go away. > >Anyone know anything about either of these errors? >Or how to report them to the USB people if you cant post to the USB lists? About the "control queue full", Vojtech once made a patch (I should still have it somewhere. If you want to test it, tell me so...) Lastly, the best way to report is still to mail to usd-users and usb-devel lists. Otherwise, the above mentionned Linux' bugzilla is a good way too. Arnaud - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
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