Messages in this thread | | | Date | Mon, 31 Aug 1998 09:18:24 -0700 | From | Tom Eastep <> | Subject | Re: Next round of console patches |
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Richard Gooch wrote: > > Tom Eastep writes:
> > Ok -- I patched vesafb.c as follows: > > > > mtrr_add((unsigned long)video_base, video_size, MTRR_TYPE_WRCOMB, 1); > > + mtrr_add((unsigned long)video_base, video_size, MTRR_TYPE_UNCACHABLE, > > 1); > > > > I still got the lockup. > > That's quite bad. Can you do two separate tests, please? Firstly, > insert a printk just before the call to mtrr_add() and send me a copy > of your kernel logs?
Gerd: Is there a way to defer the call to this code until after boot? It's getting called so early in the boot sequence that no messages are logged.
> Secondly, disable that code from the kernel and instead use the > /proc/mtrr interface and tell me if the problem goes away or not.
I'll do that this evening -- the machine that shows this failure hosts a inhouse web site during the day.
> > Finally, do you have an SMP machine?
Yes -- it's an HP Vectra XU 6/150 ( 2xPPRO 150 - KX chipset). If you'd like, I can build a UP kernel and give that a try.
-Tom -- Tom Eastep COMPAQ Computer Corporation Enterprise Computing Group Tandem Division tom.eastep@compaq.com
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