>
> This "band-aid" seems to have worked. I haven't had a single panic since
> - Thanks! :-)
>
> I tried to compile with -O0 but, for some reason, it panics in the sound
> driver with a double-fault. When I get time, I'll recompile only the
> files involved and see if I can't get a decent trace (and dump) to
> identify the cause,
No need. Based on the line that it crashed at, the problem is that with no
mappings no pv_entry has been allocated. Somehow on your laptop you're able to
get in to a situation where fictitious pages have been added to the object that
don't get mapped. This isn't a strange situation in and of itself, but you seem
to be the only hitting this.
In any event, the DRM 4.6 port will support AGP in about a week. It will
probably have bugs, but this one isn't in any of its code paths.
I'm glad your system works a bit better now.
Cheers.
-M
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