linux-kernel - Re: [PATCH] boot: small change of halt method

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Date:	Thu, 24 Aug 2006 23:14:57 +0200 (CEST)
From:	Grzegorz Kulewski <kangur@...com.net>
To:	Oleg Verych <olecom@...wer.upol.cz>
Cc:	linux-kernel@...r.kernel.org, pingved@...il.com
Subject: Re: [PATCH] boot: small change of halt method

On Fri, 25 Aug 2006, Oleg Verych wrote:
> H. Peter Anvin wrote:
>>  Andrew Brukhov wrote:
>> 
>> >  I'm new here.
>> >  After reading boot code i'm immidiatly change this string:
> ...
>> >  + * Small fix of halt method Andrew Brukhov, Aug. 2006 
>> >  */
>> > 
> <http://www.zip.com.au/~akpm/linux/patches/stuff/tpp.txt>
>
>>
>>      while (1)
>>          asm volatile("hlt");
>>
>>  ... since HLT only pauses until interrupt.
>> 
> Why not to have a reboot here?
> Testing and getting such errors on my laptop, it needs a power cycle.

And what if hlt is buggy? I have at least one pIII tualatin based server 
that has some strange mainboard problem and will work only if nohlt is 
passed to the kernel.


Thanks,

Grzegorz Kulewski

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