lkml.org 
[lkml]   [2004]   [Mar]   [24]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: spurious 8259A interrupt
Richard B. Johnson wrote:
> It isn't CPU-specific. It's motherboard glitch specific. If there
> is ground-bounce on the motherboard or excessive induced
> coupling, the CPU may occasionally get hit with a logic-level
> that it "thinks" is an interrupt, even though no controller
> actually generated it.

That doesn't seem plausible on an otherwise reliable computer.

Why would interrupt lines suffer ground-bounce logic glitches yet all
the data, address and control lines be fine?

-- Jamie
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-03-22 14:01    [W:0.047 / U:0.900 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site