Messages in this thread | | | Date | Fri, 9 May 1997 11:40:03 +0200 | From | Luca Lizzeri <> | Subject | Keyboard lockups with non-SMP pre-2.1.37-[3456] |
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As previously reported on the list, hitting some special keys will cause the keyboard to start malfunctioning.
As long as NumLock or CapsLock are not touched, everything works fine (even console switching). As soon as one of these is touched (maybe others, I have not experimented over-long) the keyboard will lock up for some seconds, and from then on, console switching will work, with the same time lag before accepting keypresses. After having had 4-5 of these lockups, the keyboard driver becomes very confused (I was in vi at the time, not the very best place for blind keypressing :)
Luca
P.S. I could not experiment with pre-2.1.37-2, it wouldn't compile as non-SMP. I expect the problem would be present, as the changes in vt.c and tty_io.c were already there (not that I'm implying I'm sure the problem is in those changes :) P.P.S If i compile as SMP, it barfs in calibrate_APIC_clock on my Cyrix 6x86 P166+ (if necessary, I will repeat the experiment and hand transcribe the Oops). Yes I know that Cyrix 6x86s are not exactly smp-capable, just wondering if a more graceful fallback is possible or desirable.
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