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10:      48587          XT-PIC  i82365, eth0, usb-uhci

Another oddity: the NC driver is running as a loadable module, as is
USB.  Usb and eth0 show up in the proc irq list, but the video irq is
conspicuously absent (no irq 11).  <scratches head>

           CPU0
  0:     625848          XT-PIC  timer
  1:       9211          XT-PIC  keyboard
  2:          0          XT-PIC  cascade
  5:      12178          XT-PIC  Maestro3(i)
  8:     820144          XT-PIC  rtc
 10:      51699          XT-PIC  i82365, eth0, usb-uhci
 12:          4          XT-PIC  PS/2 Mouse
 13:          1          XT-PIC  fpu
 14:      44849          XT-PIC  ide0

It *does* show up however, in /proc/pci

Bus  1, device   0, function  0:
  VGA compatible controller: ATI Unknown device (rev 0).
    Vendor id=1002. Device id=4d46.
    Medium devsel.  Fast back-to-back capable.  IRQ 11.  Master Capable.
    Prefetchable 32 bit memory at 0xe8000000 [0xe8000008].
    I/O at 0xcc00 [0xcc01].
    Non-prefetchable 32 bit memory at 0xfcffc000 [0xfcffc000].

My intuition is that the phenomenon is triggered by certain sequences of
display attribute control characters generated from the html browser.  When
it happens with lynx, if I scroll up or down far enough to get the offending
attributes out of the view window, the flashing stops.

----------------------------------------------------------------
John Karns                                        jkarns at csd.net