Re: 2.6.{28,30} Keyboard not working on oldish machine

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On Wed, 17 Jun 2009, Dr. David Alan Gilbert wrote:

> > > > > [    3.147416] PNP: No PS/2 controller found. Probing ports directly.
> > > > > [    3.174456] serio: i8042 KBD port at 0x60,0x64 irq 1
> > > > > [    3.174961] serio: i8042 AUX port at 0x60,0x64 irq 12
> > > > > [    3.186312] mice: PS/2 mouse device common for all mice
> > > > It does, correctly, identify the keyboard and mode port, so it's
> > > > somewhat odd that it doesn't get used...
> > > Indeed. The only other observation in the older kernel that works
> > > it detects the AUX port first.
> > Booting with 'i8042.debug' will spit some more output into dmesg, which 
> > might help us to see if i8042 is really properly initialized, or something 
> > strange is going on during initialization.
> Please find below the new dmesg created by appending i8042.debug; this was
> taken from a slightly newer build of the same source kernel that I reported; this
> build just had a few more things configured out (parallel port) but exhibits
> the same symptom.
[ ... snip ... ]
> [    2.760232] drivers/input/serio/i8042.c: 20 -> i8042 (command) [3]
> [    2.760496] drivers/input/serio/i8042.c: 65 <- i8042 (return) [3]
> [    2.760586] drivers/input/serio/i8042.c: 60 -> i8042 (command) [3]
> [    2.760725] drivers/input/serio/i8042.c: 74 -> i8042 (parameter) [3]
> [    2.760821] drivers/input/serio/i8042.c: d3 -> i8042 (command) [3]
> [    2.760960] drivers/input/serio/i8042.c: 5a -> i8042 (parameter) [3]
> [    2.763945] drivers/input/serio/i8042.c: fe <- i8042 (return) [3]
> [    2.772060] drivers/input/serio/i8042.c: a9 -> i8042 (command) [5]
> [    2.772360] drivers/input/serio/i8042.c: 00 <- i8042 (return) [5]
> [    2.772449] drivers/input/serio/i8042.c: a7 -> i8042 (command) [5]
> [    2.772588] drivers/input/serio/i8042.c: 20 -> i8042 (command) [5]
> [    2.772781] drivers/input/serio/i8042.c: 74 <- i8042 (return) [5]
> [    2.772870] drivers/input/serio/i8042.c: a8 -> i8042 (command) [5]
> [    2.773008] drivers/input/serio/i8042.c: 20 -> i8042 (command) [5]
> [    2.773252] drivers/input/serio/i8042.c: 54 <- i8042 (return) [5]
> [    2.773340] drivers/input/serio/i8042.c: 60 -> i8042 (command) [5]
> [    2.773478] drivers/input/serio/i8042.c: 74 -> i8042 (parameter) [5]
> [    2.773572] drivers/input/serio/i8042.c: d3 -> i8042 (command) [5]
> [    2.773712] drivers/input/serio/i8042.c: f0 -> i8042 (parameter) [5]
> [    2.775932] drivers/input/serio/i8042.c: fe <- i8042 (return) [5]
> [    2.784650] drivers/input/serio/i8042.c: Interrupt 12, without any data [6]
> [    2.784760] drivers/input/serio/i8042.c: 60 -> i8042 (command) [6]
> [    2.784901] drivers/input/serio/i8042.c: 56 -> i8042 (parameter) [6]
> [    2.785140] drivers/input/serio/i8042.c: Interrupt 1, without any data [6]
> [    2.785247] drivers/input/serio/i8042.c: 60 -> i8042 (command) [6]
> [    2.785387] drivers/input/serio/i8042.c: 47 -> i8042 (parameter) [6]
> [    2.785485] serio: i8042 KBD port at 0x60,0x64 irq 1
> [    2.785964] serio: i8042 AUX port at 0x60,0x64 irq 12
> [    2.795217] mice: PS/2 mouse device common for all mice
> [    2.798180] drivers/input/serio/i8042.c: f2 -> i8042 (kbd-data) [9]
> [    2.800486] drivers/input/serio/i8042.c: fa <- i8042 (interrupt, 0, 1) [10]
> [    2.801590] drivers/input/serio/i8042.c: ab <- i8042 (interrupt, 0, 1) [10]
> [    2.802961] drivers/input/serio/i8042.c: 41 <- i8042 (interrupt, 0, 1) [10]
> [    2.803174] drivers/input/serio/i8042.c: ed -> i8042 (kbd-data) [10]
> [    2.803363] input: PC Speaker as /devices/platform/pcspkr/input/input0
> [    2.805812] evbug.c: Connected device: input0 (PC Speaker at isa0061/input0)
> [    2.805957] drivers/input/serio/i8042.c: fa <- i8042 (interrupt, 0, 1) [11]
> [    2.806619] drivers/input/serio/i8042.c: 00 -> i8042 (kbd-data) [11]
> [    2.808965] drivers/input/serio/i8042.c: fa <- i8042 (interrupt, 0, 1) [12]
> [    2.809244] drivers/input/serio/i8042.c: f3 -> i8042 (kbd-data) [12]
> [    2.812079] drivers/input/serio/i8042.c: fa <- i8042 (interrupt, 0, 1) [13]
> [    2.812302] drivers/input/serio/i8042.c: 00 -> i8042 (kbd-data) [13]
> [    2.812676] rtc_cmos rtc_cmos: rtc core: registered rtc_cmos as rtc0
> [    2.813249] rtc0: alarms up to one day, 114 bytes nvram
> [    2.814610] drivers/input/serio/i8042.c: fa <- i8042 (interrupt, 0, 1) [13]
> [    2.814817] drivers/input/serio/i8042.c: f4 -> i8042 (kbd-data) [13]
> [    2.817615] drivers/input/serio/i8042.c: fa <- i8042 (interrupt, 0, 1) [14]
> [    2.823470] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input1
> [    2.827716] evbug.c: Connected device: input1 (AT Translated Set 2 keyboard at isa0060/serio0/input0)
> [    2.828278] drivers/input/serio/i8042.c: d4 -> i8042 (command) [17]
> [    2.828427] drivers/input/serio/i8042.c: f2 -> i8042 (parameter) [17]

Is there any change if you boot with 'i8042.noaux' kernel command-line 
parameter?

-- 
Jiri Kosina
SUSE Labs
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