On Sun, 2005-08-14 at 15:43 +0800, Steve Underwood wrote: > Steve Underwood wrote: > > > A.J. Bonnema wrote: > > > >> Hi, > >> > >> Last week I installed and configured FC4 (64 bits) on my athlon 64 > >> bits (AMD 64 X2 4400+). It runs perfectly and quite swift. However, > >> within minutes after using the keyboard, the system *suddenly* starts > >> ignoring any keyboard input. > >> The mouse still works, and in so far I do not need keyboard input, I > >> can work. > >> Also, remotely, using SSH I can work normally. > >> > >> This problem occurs only when using the SMP kernel (default for my > >> processor). Using the UP kernel I have no problem at all. > >> This error is repeatable, which renders the SMP kernel unusable to me. > >> > >> Has anyone else suffered this problem? > >> Should I report it? > > > > > > You should report it. 2.4.x kernels, single processor and SMP, never > > give any trouble with mice or keyboards of the PS/2 or USB kind. > > Things are really screwed up in 2.6.x, and are only slowly being > > sorted out. I also have an X2 machine with an Asus A8N-E motherboard > > (Nvidia nForce4-Ultra chip set). This seems to work OK with USB and > > PS/2 keyboards using FC4. However, my dual Xeon machine with a Tyan > > 2665 motherboard only works properly using a single processor kernel. > > With an SMP kernel it won't boot using a PS/2 keyboard. > > A slight correction. The Tyan machine won't boot with an SMP kernel, a > PS/2 keyboard and USB enabled. If I disable USB it works. Apparently > using motherboards which allow legacy USB support to be disabled things > may work OK. The Tyan motherboard does not allow that. You either have > USB on or off. Nothing in between. > > If you have selections of this kind in your BIOS, try then. > > > With a USB keyboard it kind of works, but it often doubles keys, or a > > key gets stuck on until the next keypress, or it locks up completely > > until I unplug and reinsert it. Various people have been reporting > > problems of this kind since 2.6.x was first used. It happens with > > vanilla kernels, as well as the ones supplied with FC4. > You may want to look at this bug which bit me https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=155759