Re: Screen regen buffer at 0x00b8000
From: Marco Rogantini
Date: Fri May 20 2005 - 09:45:35 EST
On Fri, 2005-05-20 09:48:35 -0400, Richard B. Johnson <linux-os@xxxxxxxxxxxx> wrote:
if((fd = open("/dev/mem", O_RDWR)) == FAIL)
ERRORS("open");
if((sp = mmap((void *)SCREEN, len, PROT, TYPE, fd, SCREEN))==MAP_FAILED)
ERRORS("mmap");
Try to open("/dev/mem", O_RDWR | O_SYNC). Without this the mapping
will be chached.
-marco
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