On Sun, Feb 24, 2019 at 10:06:53AM -0700, Warner Losh wrote: > > > > Maybe I missed it, but Steve, did you run the patched in a different way > tests that I suggested? Replacing the limits with 0xffffffff for testing > purposes to ensure that drm isn't saying it can cope with larger addresses? > That might help narrow down what the problem here one more level than "It's > PAE". >
So, I dug through the code a bit. Niclas changed the port to use BUS_SPACE_MAXADDR. This is defined in include/x86/bus.h #if defined(__amd64__) || defined(PAE) #define BUS_SPACE_MAXADDR_48BIT 0xFFFFFFFFFFFFULL #define BUS_SPACE_MAXADDR 0xFFFFFFFFFFFFFFFFULL #else #define BUS_SPACE_MAXADDR 0xFFFFFFFF #endif I don't know if defined(PAE) is effected by hw.above4g_allow, or where it gets defined or if it is defined. -- Steve _______________________________________________ freebsd-current@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/freebsd-current To unsubscribe, send any mail to "freebsd-current-unsubscr...@freebsd.org"
