Python list vs google group

[Jim Lee]

On 06/16/2018 08:36 AM, Richard Damon wrote:
> On 6/15/18 11:07 PM, Jim Lee wrote:
>>> [snip]
>>>> I once had a Mustek color scanner that came with a TWAIN driver.  If
>>>> the room temperature was above 80 degrees F, it would scan in color -
>>>> otherwise, only black & white.  I was *sure* it was a hardware
>>>> problem, but then someone released a native Linux driver for the
>>>> scanner.  When I moved the scanner to my Linux box, it worked fine
>>>> regardless of temperature.
>>>>
>>>> -Jim
> That sounds like it would probably be classified as a software issue
> then (or possibly documentation). It could be hardware if the Windows
> SCSI card didn't support something it was expected to or perhaps
> indicated that it did, or didn't negotiate correctly.
>
> Ultimately, often the difference between a hardware error and a software
> error is what the documentation says, I have seen more than once a
> hardware document saying something like Feature A was intended to work
> this way but the hardware doesn't work right to implement it, so the
> software needs to do XYZ as a work around. So now, if the software
> doesn't do XYZ it is a software error, all due to a hardware design
> issue that was just redefined.

It was a software issue that manifested itself as a hardware failure.  
However, SCSI was such a temperamental beast to begin with that finger 
pointing usually took as much time as diagnosing the problems.

-Jim