Messages in this thread | | | From | (Alan Cox) | Subject | Re: Kernel Debugging Hardware | Date | Mon, 12 May 1997 21:15:15 +0100 (BST) |
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> good idea, I'd need it for better debuging of Xservers when the PC completely > locks up (and of course for kernel stuff too).
Umm
> - how many write cycles are possible for eeproms these days ? I remeber of some 10k cycles ?! > if this is still a limitation there would be no chance to log data online until
They are slow too
> - what about using a parallel port as interface ? while I already have > 8 serial ports they are usually all bussy (and standard COM1/COM2 are > locked for mouse & modem...). pretty often printer ports are free. > being able to use both ser/par port would be great (more possible users...)
I did the original SMP debug with the parallel port - its great as its easy to hit (one I/O operation) and has about 2^12 values
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