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SubjectX fails to start with latest Linus git

Hi Ingo,

Starting X (autostarted with GDM) manages to lock up my system
(requiring a hard reset) after the first few tree merges of the window,
and bisection shows:


19ef9309273d26cb005cb23e6a370353dca91099 is first bad commit
commit 19ef9309273d26cb005cb23e6a370353dca91099
Author: Ingo Molnar <>
Date: Fri Jan 25 21:08:34 2008 +0100

printk: use ktime_get()

printk timestamps: use ktime_get().

Some platforms have a functioning clocksource function only after
they are done with early bootup, so delay this until out of

it's also inherently safe now, as any bugs in this area will be
caught by the printk recursion checks.

Signed-off-by: Ingo Molnar <>


as the first bad commit. I have no idea why that would cause problems,
so it could also be some timing-related problem that just happened to
bisect to this patch.

I will try advancing to the head of Linus' tree and then reverting this
patch to make sure it fixes the problem, but I figured I'd send this
first to see if it is obvious to anyone.

Kevin Winchester

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