On Sat, 2006-04-08 at 12:55 +1000, Paul Mackerras wrote: > Benjamin Herrenschmidt writes: > > > From my quick tests here (I'm travelling, so no much time), it looks > > like it's dying on the first msleep() (either radeonfb or whatever else > > if you play with driver order), which makes me strongly suspect the idle > > loop changes. I'll try to fix that when I'm back next week unless paulus > > beats me to it. > > This patch fixes it for me on my powerbook (1.5GHz albook). The issue > seems to be that the cpu objects to HID0_NAP being cleared in HID0. > If I have this code power_save_6xx_restore, it hangs: > > _GLOBAL(power_save_6xx_restore) > mfspr r11,SPRN_HID0 > rlwinm r11,r11,0,10,8 /* Clear NAP */ > mtspr SPRN_HID0,r11 > b transfer_to_handler_cont > > If I take out that rlwinm, it boots. Bizaare.
Gack ? Didn't I always cleared it before ? Hrm... I think darwin also clears it in various places ... coul.dn't it be some stpid register clobbering I'm doing with r11 at this point ? (no source at hand to check) Ben. -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
