linux-kernel - Re: Long timeout when booting >= 2.6.38

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Message-ID: <4DC1832E.5030806@christianhoffmann.info>
Date:	Wed, 04 May 2011 18:47:42 +0200
From:	Christian Hoffmann <email@...istianhoffmann.info>
To:	Thomas Gleixner <tglx@...utronix.de>
CC:	john stultz <johnstul@...ibm.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: Long timeout when booting >= 2.6.38

Hi,

> Huch. There is something badly wrong. Can you provide the output of
>
>   cat /sys/devices/system/clocksource/clocksource0/available_clocksource
>
> please ?

$ cat /sys/devices/system/clocksource/clocksource0/available_clocksource
tsc hpet acpi_pm

>
>> [  147.940143] Refined TSC clocksource calibration: 2809.409 MHz.
>> [  147.940147] Switching to clocksource tsc
>
> I just looked at the two boot logs you provided. So the main
> difference is that TSC gets installed way later.
>
> Can you please boot the "working" kernel with clocksource=hpet on the
> commandline and verify whether the boot hang appears there as well?
>

No, it works fine. See http://pastebin.com/raw.php?i=4wJWkiNM.

Rgds,
Chris

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