On Sat, 24 Nov 2007 12:11:04 +1100, Benjamin Herrenschmidt wrote: > > On Fri, 2007-11-23 at 23:29 +0100, Jean Delvare wrote: > > On Fri, 23 Nov 2007 17:00:52 +0100, Michael Buesch wrote: > > > This patch fixes my crash problem. > > > > Out of curiosity, what kind of crash was it? I admit that I can't see > > how the code could crash. > > Really sneaky... apparently, keeping the i2c lines asserted on his > laptop model would drain enough current through the pullups (or the > chip) that the temperature will raise significantly, causing a thermal > shutdown if the machine was already warm. > > A bit scary... looks to me that a pullup is a bit too weak somewhere on > the motherboard. > > That also means that this fix should reduce power consumption on the > battery significantly on those machines as it must take quite a bit of > power to increase the temperature that significantly (either that, or > the heating part sits just next to the sensor).
Wow, nasty. Then my patch really needs to go to Linus at the earliest. Thanks, -- Jean Delvare - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/