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Date: Thu, 08 May 2008 13:08:47 +0200 From: Gabriel C <nix.or.die@...glemail.com> To: David Miller <davem@...emloft.net> CC: hinko.kocevar@...rtapot.si, linux-kernel@...r.kernel.org Subject: Re: time stamped printks David Miller wrote: > From: Hinko Kočevar <hinko.kocevar@...rtapot.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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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