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SubjectPROBLEM: PS/2 keyboard does not work with 2.6.15
Hi kernel-devs,

a keyboard that is connected to to PS/2 port does not work with
kernel 2.6.15. That is to say that no action is seen at the login
promt if I enter any key.

I used PS/2 keyboards for a long time with kernels < 2.6.15
like, 2.6.13 or I used "make oldconfig" to move
the .config file form to 2.6.15 and answered "no" to every

The keyboard is pluged the right way since I can walk around in the
lilo menu before the kernel is being loaded. If I choose another
kernel the PS/2 keyboard does work. I can connect to the pc with a
running 2.6.15 from another pc using ssh. Everything looks normal,
there are no strange errors in /var/log/syslog or from the output
dmesg. I can also use the soundcard...

I also tried another keyboard that do work on kernels < 2.6.15 with
no success.

I cannot tell if the PS/2 mouse does not work either since I cannot
start X.

PS/2 keyboard, input

[4.] cat /proc/version
Linux version 2.6.15-06.01.03 (
(gcc-Version 4.0.3 20051201 (prerelease) (Debian 4.0.2-5)) #1 PREEMPT
Tue Jan 3 20:50:32 CET 2006


[8.1] ver_linux
If some fields are empty or look unusual you may have an old version.
Compare to the current minimal requirements in Documentation/Changes.

Linux 2.6.15-06.01.03 #1 PREEMPT Tue Jan 3
20:50:32 CET 2006 i686 GNU/Linux

Gnu C 4.0.3
Gnu make 3.81beta4
binutils 2.16.91
util-linux 2.12p
mount 2.12p
module-init-tools 3.2.2
e2fsprogs 1.38
reiserfsprogs line
reiser4progs line
xfsprogs 2.6.28
PPP 2.4.4b1
Linux C Library 2.3.5
Dynamic linker (ldd) 2.3.5
Procps 3.1.14
Net-tools 1.60
Console-tools 0.2.3
Sh-utils 5.93
udev 079
Modules Loaded parport_pc lp parport binfmt_misc rfcomm l2cap
bluetooth ipt_state ip_conntrack nfnetlink iptable_filter ip_tables
nls_iso8859_1 nls_cp437 vfat fat isofs it87 hwmon_vid hwmon i2c_isa
cryptoloop loop ppp_deflate zlib_deflate zlib_inflate bsd_comp
ppp_generic slhc thermal processor snd_emu10k1_synth snd_emux_synth
snd_seq_virmidi snd_seq_midi_emul snd_seq_oss snd_seq_midi
snd_seq_midi_event snd_seq snd_emu10k1 snd_rawmidi snd_seq_device
snd_ac97_codec snd_pcm_oss snd_mixer_oss snd_pcm snd_timer
snd_ac97_bus snd_page_alloc snd_util_mem snd_hwdep ehci_hcd ohci_hcd
forcedeth usbcore i2c_nforce2 i2c_core

[other information are attached]

The motherboard is a Gigabyte GA-K8NF-9 using the nforce4 chipset.
The CPU in an AMD64 that does only run in the 32bit mode.

Kind regards from Martin

[1] The .config files can be seen on and
-- OpenPGP-key: 0x4EA52583
(o__ (O_ Philip R. Zimmermann:
//\' //\ If privacy is outlawed,
V_/_ V_/_ only outlaws will have privacy.
[unhandled content-type:application/x-gzip]
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