isp(4) broken in RELENG_9

[Matthew Jacob]

On 11/01/12 07:05, Matthew Jacob wrote:
> So, it's working in 9.1 but not in 9?
>
> Since any fix to 9.0 would be in 9.1 are we just concerned with 
> understanding what happened, or is there a specific reason we need to 
> know what changed so that a specific fix to 9.0 is needed?
>
> I'm sure that there is a bug in isp where it can ask for more than a 
> page's worth of queue space mapping but can't deal with things if you 
> get more than 1 segment descriptor back. I need to fix that, but I 
> won't be able to get to that for a couple of weeks.
>
> It's possible that the FC-TAPE changes triggered this because that 
> threw more of a load on the control space. I'll try and calculate a 
> change to MAXISPREQUEST to re-fit within a page some time today.
>
> -matt
>
Try the attached patch and see if it works for you. I'm not really 
satisfied with it- I need to do a slightly more finessed solution, but 
it might work for you for the moment.


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