lkml.org 
[lkml]   [2007]   [Sep]   [12]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectLossy interrupts on x86_64
Date
I just narrowed down a weird problem where I was losing more than 50% of 
my vblank interrupts to what seems to be the hires timers patch. Stock
2.6.23-rc5 works fine, but the latest (171) kernel from rawhide drops
most of my interrupts unless I also have another interrupt source
running (e.g. if I hold down a key or move the mouse I get the expected
number of vblank interrupts, otherwise I get between 3 and 30 instead
of the expected 60 per second).

Any ideas? It seems like it might be bad APIC programming, but I
haven't gone through those mods to look for suspects...

Thanks,
Jesse
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2007-09-12 17:43    [W:0.045 / U:0.596 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site