linux-kernel - Re: [regression] __tick_program

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Date:	Mon, 08 Sep 2008 20:34:46 +0200
From:	Stefan Hellermann <stefan@...2masters.de>
To:	Frans Pop <elendil@...net.nl>
CC:	linux-kernel@...r.kernel.org, tglx@...utronix.de
Subject: Re: [regression] __tick_program_event of hpet is stuck

Frans Pop schrieb:
> On Monday 08 September 2008, Frans Pop wrote:
>   
>> With current git head (v2.6.27-rc5-319-g7686ad5) I'm seeing repeated
>> occurrences of the following on my HP Compaq 2510p laptop. Not seen
>> with earlier kernels, including 2.6.27-rc5.
>>     
>
> I meant repeated as in "after different boots", but I now also see repeats 
> when I leave the system on for some time. It keeps increasing the 
> min_delta_ns to ever higher values.
>
> CE: __tick_program_event of hpet is stuck 1468f1b3c9 1468f1c751
> CE: increasing min_delta_ns 5000 to 10000 nsec
> [...]
> CE: __tick_program_event of hpet is stuck 33576032f74 33576035684
> CE: increasing min_delta_ns 10000 to 20000 nsec
> [...]
> CE: __tick_program_event of hpet is stuck 63242b30d28 63242b35b48
> CE: increasing min_delta_ns 20000 to 40000 nsec
>
> The call trace is basically the same each time.
>   
Exactly the same problem here. This is a Lenovo Thinkpad R61 with 
current git head (7686ad56).

Cheers,
Stefan Hellermann

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