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SubjectRe: Trying to run 2.6.0-test3
On Sat, Aug 23, 2003 at 09:29:53PM +0900, Norman Diamond wrote:
> "Vojtech Pavlik" <vojtech@suse.cz> replied to me with the program evtest.c.
>
> > > Hirofumi Ogawa posted a patch for the yen-sign pipe key on 2003.07.23
> > > for test1 but his patch still didn't get into test3.
> >
> > It will get into 2.6 sooner or later.
> >
> > > On a PS/2 keyboard that
> > > seems to be the only key with any problem.
> > >
> > > Yesterday when I finally tried a USB keyboard and found that the
> > > backslash underbar has the same problem, maybe I was the first person to
> > > even try a Japanese USB keyboard in 2.6, and maybe no one at all tried
> > > some number of 2.5 series kernels.
> >
> > If you can find out what input event the key generates (using the evtest
> > program attached), then please tell me, and I'll fix in the same way as
> > the yen key was fixed.
> >
> > > As mentioned, usually I can only spend one day a week
> > > testing 2.6.
>
> For this test, I used a laptop with a built-in emulated PS/2 keyboard and
> mouse, and plugged in a USB keyboard. I do not dare yet to try 2.6.0-testN
> on a small-size desktop which depends entirely on USB. The small-size
> desktop provides BIOS emulation of a PS/2 keyboard from boot until the OS
> detects USB devices. It does not provide any emulation of an i8042 chip.
> (Windows NT4 blue-screens if I forget to disable its i8042 driver.) It
> does not have PS/2 ports.

Don't fear, go ahead, 2.6 should work fine without an i8042.

> Back to the laptop used in this test. Since the built-in emulated PS/2
> keyboard had some "?" events, I ran evtest on all devices. Sorry this
> is still 2.6.0-test3. I wanted to finish this test before experimenting
> with 2.6.0-test4. I already patched the 2.6.0-test3 keyboard map, so the
> yen-sign pipe key produces input in both X11 and text consoles. The USB
> problem is with the yen-sign or-bar key, which seems to produce events
> properly, and which produces correct input under X11, but produces no
> input to a plain text console. I wonder what needs patching for this.

The default keymap. Patch was already created by somebody, I'll
include it soon.

> In a plain text console, in the built-in emulated PS/2 keyboard, both the
> yen-sign or-bar and backslash underbar keys are working because of the
> patch. But in the USB keyboard, the yen-sign or-bar key is working while
> the backslash underbar key yields no input.
>
> First, here are results of running evtest under X11.
>
> The emulated PS/2 mouse looks fine.
>
> ndiamond@diamondpana:~/linux-pavlik-evtest> evtest /dev/input/event0
> Input driver version is 1.0.0
> Input device ID: bus 0x11 vendor 0x2 product 0x1 version 0x29
> Input device name: "PS/2 Logitech Mouse"

> Event: time 1061637735.598896, type 2 (Relative), code 1 (Y), value 1
> Event: time 1061637735.634618, type 2 (Relative), code 0 (X), value 1
> Event: time 1061637737.806503, type 1 (Key), code 273 (RightBtn), value 0
> Event: time 1061637739.053020, type 1 (Key), code 272 (LeftBtn), value 1
>
> Here is the emulated PS/2 keyboard. I did not try all keys. In fact I
> cannot try a number of keys which appear in the list but don't exist.
> I did try the ones which are frequently mishandled, yen-sign or-bar and
> backslash underbar.
>
> ndiamond@diamondpana:~/linux-pavlik-evtest> evtest /dev/input/event1
> Input driver version is 1.0.0
> Input device ID: bus 0x11 vendor 0x1 product 0x2 version 0xab02
> Input device name: "AT Set 2 keyboard"
> Event type 20 (Repeat)
>
> [Here is yen-sign or-bar:]
> Event: time 1061638812.315540, type 1 (Key), code 183 (International3), value 1

> [Here is backslash underbar:]
> Event: time 1061638897.294886, type 1 (Key), code 89 (F14), value 1

This one should probably be Intl1 and not F14. Scancode collission
between japanese keyboards and some old keyboard.

We will never be able to create a scancode->keycode table that matches
all existing keyboards. This is why these tables can be changed from
userspace via ioctls.

> Here is the external USB keyboard. I did not try all keys. In fact I
> cannot try a number of keys which appear in the list but don't exist.
> (Though the keyboard which I sent to Mike Fabian might really have some
> of these, among its ton of funny extra buttons.) I did try the ones
> which are frequently mishandled, yen-sign or-bar and backslash underbar.
>
> ndiamond@diamondpana:~/linux-pavlik-evtest> evtest /dev/input/event2
> Input driver version is 1.0.0
> Input device ID: bus 0x3 vendor 0x409 product 0x14 version 0x100
> Input device name: "NEC 109 JPN USB KBD/M"
>
> [Here is yen-sign or-bar:]
> Event: time 1061639164.238590, type 1 (Key), code 183 (International3), value 1
> [Here is backslash underbar:]
> Event: time 1061639230.403570, type 1 (Key), code 181 (International1), value 1
>
> Next I switched to a text-mode console and tested the same two keyboards.
> The key codes seem to be the same.

--
Vojtech Pavlik
SuSE Labs, SuSE CR
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