Hi Jens, On Sun, May 26, 2013 at 09:25:35PM +0200, Jens Taprogge wrote: > Hi all. > > Linux 3.9.3 hangs early during boot on a Lenovo Thinkpad X1 Carbon (Ivy > Bridge). v3.9.2 works. I have bisected the hang to > d96ac6f2: time: Revert ALWAYS_USE_PERSISTENT_CLOCK compile time optimizaitons. > > Reverting d96ac6f2 on top of v3.9.4 makes the kernel boot. I do not > have any additional information as the kernel hangs before anything is > displayed. The config of v3.9.4 with d96ac6f2 reverted is attached. Could you share your full 3.9.4 kernel boot log which reverts the d96ac6f2 and work fine? Also could you do a "grep . *" under /sys/class/rtc/rtc0/? Thanks, Feng -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html