| title: | Re Intel graphics and kernel RT failure |
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On Friday 2009-06-05 17:07, Jan Engelhardt wrote:
On Friday 2009-06-05 03:14, Sven-Thorsten Dietrich wrote:
On Fri, 2009-06-05 at 00:21 +0200, Jan Engelhardt wrote:
Ccing linux-rt. Mabye someone has a flash of an idea.
On Thursday 2009-06-04 23:42, Hector Centeno wrote to Jan Engelhardt:
I hope it is OK to contact you directly to this email. Ive been
trying to use your 2.6.29 RT kernel for OpenSuse 11.1 and came across
some problems related to the Intel graphics driver (I have a laptop
with intel GMA 950). The problem seems to be related to the new intel
driver development that is going on and that seems to affect older
hardware like mine. I get a constantly growing list of errors in
/var/log/mesages like these:
Try this patch:
Signed-off-by: Sven-Thorsten Dietrich <sdietrich@xxxxxxx
Index: b/arch/x86/mm/iomap_32.c
===================================================================
--- a/arch/x86/mm/iomap_32.c
+++ b/arch/x86/mm/iomap_32.c
@@ -38,7 +38,7 @@ void *kmap_atomic_prot_pfn(unsigned long
- idx = type + KM_TYPE_NR * smp_processor_id();
+ idx = type + KM_TYPE_NR * raw_smp_processor_id();
@@ -69,7 +69,7 @@ void
- enum fixed_addresses idx = type + KM_TYPE_NR*smp_processor_id();
+ enum fixed_addresses idx = type + KM_TYPE_NR*raw_smp_processor_id();
Yes, it does fix the problem.[...]
This change did not seem to have made it into 2.6.29.5-rt20.
Can it be added?
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