Re: Keyboard stops working after *lock [Was: 2.6.21-rc2-mm1]

Jiri Slaby
2007-03-17T22:50:06Z

Alan Stern napsal(a):
> On Tue, 13 Mar 2007, Jiri Slaby wrote:
>
>> So, do you mean rmmod uhci_hcd, unplug the keyboard, modprobe
>> uhci_hcd, start usbmon, plug the keyboard, press numlock, stop usbmon,
>> post it?

Here you are:
f78666c0 1992239699 C Ii:001:01 -2 0
f74d7b40 1996231756 S Ci:001:00 s 80 00 0000 0000 0002 2 <
f74d7b40 1996231762 C Ci:001:00 0 2 = 0300
f78666c0 1996271682 S Ii:001:01 -115 2 <
f74d7b40 1996271689 S Ci:001:00 s a3 00 0000 0001 0004 4 <
f74d7b40 1996271694 C Ci:001:00 0 4 = 00010000
f74d7b40 1996271698 S Ci:001:00 s a3 00 0000 0002 0004 4 <
f74d7b40 1996271708 C Ci:001:00 0 4 = 01010100
f74d7b40 1996271710 S Co:001:00 s 23 01 0010 0002 0000 0
f74d7b40 1996271713 C Co:001:00 0 0
f74d7b40 1996271719 S Ci:001:00 s a3 00 0000 0002 0004 4 <
f74d7b40 1996271722 C Ci:001:00 0 4 = 01010000
f74d7b40 1996303687 S Ci:001:00 s a3 00 0000 0002 0004 4 <
f74d7b40 1996303693 C Ci:001:00 0 4 = 01010000
f74d7b40 1996335682 S Ci:001:00 s a3 00 0000 0002 0004 4 <
f74d7b40 1996335689 C Ci:001:00 0 4 = 01010000
f74d7b40 1996367681 S Ci:001:00 s a3 00 0000 0002 0004 4 <
f74d7b40 1996367686 C Ci:001:00 0 4 = 01010000
f74d7b40 1996399686 S Ci:001:00 s a3 00 0000 0002 0004 4 <
f74d7b40 1996399692 C Ci:001:00 0 4 = 01010000
f74d7b40 1996399709 S Co:001:00 s 23 03 0004 0002 0000 0
f74d7b40 1996399712 C Co:001:00 0 0
f74d7b40 1996455682 S Ci:001:00 s a3 00 0000 0002 0004 4 <
f74d7b40 1996455703 C Ci:001:00 0 4 = 03010000
f74d7b40 1996514453 S Co:001:00 s 23 01 0014 0002 0000 0
f74d7b40 1996514456 C Co:001:00 0 0
f74d7b40 1996514468 S Ci:000:00 s 80 06 0100 0000 0040 64 <
f74d7b40 1996518652 C Ci:000:00 0 8 = 12011001 09000008
f74d7b40 1996518660 S Co:001:00 s 23 03 0004 0002 0000 0
f74d7b40 1996518663 C Co:001:00 0 0
f78666c0 1996527684 C Ii:001:01 0 1 = 04
f78666c0 1996527687 S Ii:001:01 -115 2 <
f74d7b40 1996571683 S Ci:001:00 s a3 00 0000 0002 0004 4 <
f74d7b40 1996571702 C Ci:001:00 0 4 = 03010000
f74d7b40 1996627687 S Co:001:00 s 23 01 0014 0002 0000 0
f74d7b40 1996627691 C Co:001:00 0 0
f74d7b40 1996627694 S Co:000:00 s 00 05 0002 0000 0000 0
f74d7b40 1996630633 C Co:000:00 0 0
f74d7b40 1996647688 S Ci:002:00 s 80 06 0100 0000 0012 18 <
f74d7b40 1996653630 C Ci:002:00 0 18 = 12011001 09000008 b4045020 01000102 0001
f74d7b40 1996653639 S Ci:002:00 s 80 06 0200 0000 0009 9 <
f74d7b40 1996658627 C Ci:002:00 0 9 = 09021900 010100e0 32
f74d7b40 1996658634 S Ci:002:00 s 80 06 0200 0000 0019 25 <
f74d7b40 1996665626 C Ci:002:00 0 25 = 09021900 010100e0 32090400 00010900
00000705 81030100 ff
f74d7b40 1996665640 S Ci:002:00 s 80 06 0300 0000 00ff 255 <
f74d7b40 1996670625 C Ci:002:00 0 4 = 04030904
f74d7b40 1996670635 S Ci:002:00 s 80 06 0302 0409 00ff 255 <
f74d7b40 1996682623 C Ci:002:00 0 62 = 3e034700 42006500 6c006c00 61002000
43006f00 72007000 6f007200 61007400
f74d7b40 1996682631 S Ci:002:00 s 80 06 0301 0409 00ff 255 <
f74d7b40 1996691621 C Ci:002:00 0 36 = 24034200 65006c00 6c006100 20004300
6f007200 70006f00 72006100 74006900
f74d7b40 1996691781 S Co:002:00 s 00 09 0001 0000 0000 0
f74d7b40 1996694627 C Co:002:00 0 0
f74d7b40 1996694717 S Ci:002:00 s a0 06 2900 0000 000f 15 <
f74d7b40 1996697629 C Ci:002:00 0 9 = 0929030d 00321902 ff
f74d7b40 1996697664 S Ci:002:00 s 80 00 0000 0000 0002 2 <
f74d7b40 1996698633 C Ci:002:00 0 2 = 0000
f74d7b40 1996698663 S Ci:002:00 s a0 00 0000 0000 0004 4 <
f74d7b40 1996699629 C Ci:002:00 0 4 = 00000000
f7ab7d40 1996699658 S Co:002:00 s 23 03 0008 0001 0000 0
f7ab7d40 1996700627 C Co:002:00 0 0
f7ab7d40 1996700645 S Co:002:00 s 23 03 0008 0002 0000 0
f7ab7d40 1996701629 C Co:002:00 0 0
f7ab7d40 1996701644 S Co:002:00 s 23 03 0008 0003 0000 0
f7ab7d40 1996702624 C Co:002:00 0 0
f74d7b40 1996806484 S Ii:002:01 -115 1 <
f75d02c0 1996806621 S Ci:001:00 s a3 00 0000 0002 0004 4 <
f75d02c0 1996806626 C Ci:001:00 0 4 = 03010000
f75d02c0 1996806634 S Ci:002:00 s a3 00 0000 0001 0004 4 <
f75d02c0 1996808610 C Ci:002:00 0 4 = 01010100
f75d02c0 1996808628 S Co:002:00 s 23 01 0010 0001 0000 0
f75d02c0 1996809607 C Co:002:00 0 0
f75d02c0 1996809628 S Ci:002:00 s a3 00 0000 0001 0004 4 <
f75d02c0 1996810605 C Ci:002:00 0 4 = 01010000
f75d02c0 1996842478 S Ci:002:00 s a3 00 0000 0001 0004 4 <
f75d02c0 1996843599 C Ci:002:00 0 4 = 01010000
f75d02c0 1996871682 S Ci:002:00 s a3 00 0000 0001 0004 4 <
f75d02c0 1996873590 C Ci:002:00 0 4 = 01010000
f75d02c0 1996903686 S Ci:002:00 s a3 00 0000 0001 0004 4 <
f75d02c0 1996905586 C Ci:002:00 0 4 = 01010000
f75d02c0 1996938484 S Ci:002:00 s a3 00 0000 0001 0004 4 <
f75d02c0 1996939582 C Ci:002:00 0 4 = 01010000
f75d02c0 1996939601 S Co:002:00 s 23 03 0004 0001 0000 0
f75d02c0 1996940581 C Co:002:00 0 0
f75d02c0 1996955681 S Ci:002:00 s a3 00 0000 0001 0004 4 <
f75d02c0 1996957576 C Ci:002:00 0 4 = 03011000
f74d7b40 1997003567 C Ii:002:01 0 1 = 02
f74d7b40 1997003570 S Ii:002:01 -115 1 <
f75d02c0 1997011687 S Co:002:00 s 23 01 0014 0001 0000 0
f75d02c0 1997013566 C Co:002:00 0 0
f75d02c0 1997013579 S Ci:000:00 s 80 06 0100 0000 0040 64 <
f75d02c0 1997018565 C Ci:000:00 0 8 = 12011001 00000008
f75d02c0 1997018572 S Co:002:00 s 23 03 0004 0001 0000 0
f75d02c0 1997019565 C Co:002:00 0 0
f75d02c0 1997034490 S Ci:002:00 s a3 00 0000 0001 0004 4 <
f75d02c0 1997035562 C Ci:002:00 0 4 = 03011000
f75d02c0 1997087683 S Co:002:00 s 23 01 0014 0001 0000 0
f75d02c0 1997089554 C Co:002:00 0 0
f75d02c0 1997089561 S Co:000:00 s 00 05 0003 0000 0000 0
f75d02c0 1997092552 C Co:000:00 0 0
f75d02c0 1997107692 S Ci:003:00 s 80 06 0100 0000 0012 18 <
f75d02c0 1997113550 C Ci:003:00 0 18 = 12011001 00000008 58044c00 01010102 0001
f75d02c0 1997113560 S Ci:003:00 s 80 06 0200 0000 0009 9 <
f75d02c0 1997118547 C Ci:003:00 0 9 = 09023b00 020100e0 19
f75d02c0 1997118554 S Ci:003:00 s 80 06 0200 0000 003b 59 <
f75d02c0 1997129547 C Ci:003:00 0 59 = 09023b00 020100e0 19090400 00010301
01000921 10010001 22410007 05810308
f75d02c0 1997129567 S Ci:003:00 s 80 06 0300 0000 00ff 255 <
f75d02c0 1997134543 C Ci:003:00 0 4 = 04030904
f75d02c0 1997134553 S Ci:003:00 s 80 06 0302 0409 00ff 255 <
f75d02c0 1997142542 C Ci:003:00 0 26 = 1a035500 53004200 20004b00 65007900
62006f00 61007200 6400
f75d02c0 1997142549 S Ci:003:00 s 80 06 0301 0409 00ff 255 <
f75d02c0 1997149542 C Ci:003:00 0 16 = 10034100 42004200 48004f00 4d004500
f75d02c0 1997149690 S Co:003:00 s 00 09 0001 0000 0000 0
f75d02c0 1997152547 C Co:003:00 0 0
d6228840 1997152648 S Co:003:00 s 21 0a 0000 0000 0000 0
d6228840 1997154552 C Co:003:00 0 0
d6228840 1997154570 S Ci:003:00 s 81 06 2200 0000 0041 65 <
d6228840 1997155558 C Ci:003:00 0 65 = 05010906 a1010507 19e029e7 15002501
95087501 81029508 75018101 05081901
f75d02c0 1997156057 S Ii:003:01 -115 8 <
f75d0540 1997156246 S Co:003:00 s 21 0a 0000 0001 0000 0
f75d0540 1997156551 C Co:003:00 0 0
f75d0540 1997156587 S Ci:003:00 s 81 06 2200 0001 0068 104 <
f75d0540 1997158547 C Ci:003:00 0 104 = 05010902 a1018504 0901a100 05091901
29031500 25019503 75018102 95017505
d62287c0 1997159188 S Ii:003:02 -115 5 <
f75d0f40 1997159379 S Ci:002:00 s a3 00 0000 0002 0004 4 <
f75d0f40 1997159547 C Ci:002:00 0 4 = 00010000
f75d0f40 1997159562 S Ci:002:00 s a3 00 0000 0003 0004 4 <
f75d0f40 1997160546 C Ci:002:00 0 4 = 00010000
f75d0f40 1997160572 S Ci:002:00 s a3 00 0000 0001 0004 4 <
f75d0f40 1997161546 C Ci:002:00 0 4 = 03010000
f75d02c0 1999351157 C Ii:003:01 0 8 = 00005300 00000000
f75d02c0 1999351176 S Ii:003:01 -115 8 <
f7ab7d40 1999351194 S Co:003:00 s 21 09 0200 0000 0001 1 = 01
f7ab7d40 1999353157 C Co:003:00 0 1 >

(Remind: there is a hub inside the keyboard)

> static void uhci_free_td(struct uhci_hcd *uhci, struct uhci_td *td)
> {
> - if (!list_empty(&td->list))
> + if (!list_empty(&td->list)) {
> dev_warn(uhci_dev(uhci), "td %p still in list!\n", td);
> + WARN_ON(1);

Nothing new in dmesg.

regards,
--
http://www.fi.muni.cz/~xslaby/ Jiri Slaby
faculty of informatics, masaryk university, brno, cz
e-mail: jirislaby gmail com, gpg pubkey fingerprint:
B674 9967 0407 CE62 ACC8 22A0 32CC 55C3 39D4 7A7E

Hnus <hnus@fi.muni.cz> is an alias for /dev/null