1. Summary of the problem:
When connecting my USB keyboard (manufacterer: BTC), the system hangs completely: no interaction possible, no networking, nothing.
2. Full description.
I am running different versions of Linux on this hardware for about 1.5 years now. Never had problems with Redhat Linux 7.3, Redhat Linux 8.0 or Slackware 9.0. However, the kernel of Fedora core 1 never worked for me: system hangs during the boot process. Other, more recent Linux version (Slax 4.01, Suse live-eval 9.0) do not work either. I started to trace this down and found the following scenario to reproduce the problem:
- Boot the system without keyboard
- Plug in the keyboard after booting
---> The system locks up after a couple of seconds on Fedora, Slax and Suse. No actions are possible anymore except switching the power off.
The working linux-versions I tested all had a 2.4.20 kernel
The linux-versions that hang the system all have a 2.4.21 kernel or higher.
As mentioned in the -devel list on March 15 (message with same subject): there was a bug for BTC keyboards and a patch is now available. I tested this patch both on my Fedora kernel as well as on a vanilla 2.4.25 kernel and it works in both cases.
Thanks to all for taking care of this,
Bruno De Wolf
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