On Sun, Sep 21, 2003 at 10:47:57AM +0200, Egbert Eich wrote: > No, I removed it again. O_SYNC causes the memory to be mapped > uncached. I had a system which crashed horribly when this flag > was not set for MMIO. Now I believe the system itself was faulty. > I'm still not sure if caching should be set at all for MMIO registers, > however since O_SYNC is an open() syscall flag and there is no > way of asking for uncached mempry mapping when doing mmap() we'd > have to have two separate file handles. > The affected file was os-support/linux/lnx_video.c Thanks for the explanation. I have updated Debian's patches to use the latest version (3.67) of lnx_video.c. This fix will appear in the next release of our packages of XFree86 4.3.0. -- G. Branden Robinson | Human beings rarely imagine a god Debian GNU/Linux | that behaves any better than a branden@debian.org | spoiled child. http://people.debian.org/~branden/ | -- Robert Heinlein
Attachment:
signature.asc
Description: Digital signature