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Am 14.11.2012 20:18, schrieb Frank Peters: |
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> Hello, |
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> |
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> Lately I have been experiencing a strange problem. Under X my USB keyboard |
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> will suddenly stop working. If I press some keys they will not appear in an |
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> X console or in any other application. There is no warning. It just |
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> will sporadically stop working. Usually, if I wait for several minutes |
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> the keys will start working again. |
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> |
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> Fortunately, the USB mouse will continue to function normally during these |
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> episodes. If I then immediately shutdown X using some mouse clicks, I will |
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> again have a working keyboard. Also, the last few keys I had pressed before |
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> shutting down X will appear in my console. This would mean that the key |
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> presses are detected and placed into the buffer but somehow the X applications |
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> do not receive them. |
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> |
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> I cannot pinpoint the start of this behavior to any specific system changes, |
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> but I suspect that the latest nvidia-drivers may be the source of the problem. |
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> The problem seems to coincide with one of the several nvidia updates, but |
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> this is still a guess. |
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> |
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> My system is updated daily and I use only the Fvwm window manager (no Gnome or K). |
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> |
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> How can I debug this further? Both the kernel log and the X log show nothing |
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> whatever. |
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> |
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> Frank Peters |
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> |
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> |
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|
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I think you just have to bite the bullet and start swapping parts of |
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your setup until the error disappears: Try a different keyboard, or a |
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different USB port. Use different (older + newer) versions of |
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xorg-server, xf86-input-evdev and so forth. |
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