On 09/30/2010 05:12 AM, Michael Tokarev wrote:
30.09.2010 17:54, Zachary Amsden wrote:
[]
The printk movement is just a bandaid patch, correct? Anything which
does printk before kvmclock is registered could trigger the same bug.
Well, I'd not say it's just a bandaid patch, it's real bug -- either
we can read kvmclock (so it's initialized), or we don't touch it (at
least before registration).
Yes, that's the bug, but moving the printk doesn't fix that, it just
hides it.
Can you try with printk timing disabled and see if the bug disappears?
Yes it disappears so far, at last I can't trigger it anymore, tried
numerous boots including the 2.6.35.6 32bit kernel (patched with the
printk registration patch!) which shows the prob in almost every boot.
So, looks like we need to do the real fix.
Zach
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