Hi Hans I tried that too and no change... But, the variable overflow you introduced, it is never increased, right? So, it will never become zero...
Johannes Lundberg BRILLIANTSERVICE CO., LTD. <http://www.brilliantservice.co.jp> On Fri, Aug 30, 2013 at 2:26 PM, Hans Petter Selasky <h...@bitfrost.no>wrote: > On 08/30/13 13:54, Lundberg, Johannes wrote: > >> Still got the same behaviour after applying the patch... >> >> Johannes Lundberg >> BRILLIANTSERVICE CO., LTD. >> <http://www.brilliantservice.**co.jp<http://www.brilliantservice.co.jp> >> > >> > > I've seen something similar with my mac, that the boot menu counter is not > always counting stable. I think this problem is inside the following > function, if you say that the code is stuck inside pause(): > > sys/x86/isa/clock.c:DELAY() > > Maybe you can try this patch instead. Just apply it by hand: > > === sys/x86/isa/clock.c > ==============================**==============================**====== > --- sys/x86/isa/clock.c (revision 254832) > +++ sys/x86/isa/clock.c (local) > @@ -262,6 +262,7 @@ > timecounter_get_t *func; > uint64_t end, freq, now; > u_int last, mask, u; > + int overflow = 0; > > tc = timecounter; > freq = atomic_load_acq_64(&tsc_freq); > @@ -281,6 +282,11 @@ > sched_pin(); > last = func(tc) & mask; > do { > + if (--overflow == 0) { > + printf("DELAY overflow\n"); > + break; > + } > + > cpu_spinwait(); > u = func(tc) & mask; > if (u < last) > @@ -304,6 +310,7 @@ > DELAY(int n) > { > int delta, prev_tick, tick, ticks_left; > + int overflow = 0; > #ifdef DELAYDEBUG > int getit_calls = 1; > int n1; > @@ -365,6 +372,10 @@ > / 1000000; > > while (ticks_left > 0) { > + if (--overflow == 0) { > + printf("DELAY overflow\n"); > + break; > + } > #ifdef KDB > if (kdb_active) { > #ifdef PC98 > > > --HPS > _______________________________________________ freebsd-current@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-current To unsubscribe, send any mail to "freebsd-current-unsubscr...@freebsd.org"
