Messages in this thread | | | Date | Mon, 31 Aug 1998 19:08:39 +0200 (CEST) | From | Gerd Knorr <> | Subject | Re: Next round of console patches |
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On Mon, 31 Aug 1998, Tom Eastep wrote:
> 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.
No. You can comment out this line (I'll add a boot parameter to disable the mtrr thing if we can't pin down this), so it will never be called.
But using echo and the /proc/mtrr interface you can do exactly the same once the system is up.
Gerd
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