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DateThu, 08 May 2008 13:08:47 +0200
FromGabriel C <>
SubjectRe: time stamped printks
David Miller wrote:
> From: Hinko Kočevar <hinko.kocevar@cetrtapot.si>
> Date: Thu, 08 May 2008 10:26:01 +0200
>
>> Hi all,
>>
>> I'm building latest GIT tree kernel for CRIS architecture. Right now I'm seeing
>> some strange values with printk stamps - at the start they are initialized to 0,
>> but quickly change to 42949372 - 0x028F5AFC.
>>
>> Any thoughts to where to look for fix?
>
> Very early in the boot, the timestamp counter fetching infrastructure
> isn't setup yet. So zero is reported for the timestamp.
>
> So early on in the boot, it is often not even possible to setup
> such things yet. Because infrastructure they need for probing
> etc. isn't even available yet.
>
> This happens on basically every single Linux platform, there
> isn't really anything to fix.

For the early boot 0's it is normal but not for the following strange values :)

I got the same problem on my 64bit box with latest git head and bisected it down to 3e51f33fcc7f55e6df25d15b55ed10c8b4da84cd

http://lkml.org/lkml/2008/5/8/146


Regards,

Gabriel C
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