From: Alexey Starikovskiy <aystarik@gmail.com>
To: Peter Gervai <grinapo@gmail.com>
Cc: trenn@suse.de, linux-acpi <linux-acpi@vger.kernel.org>,
linux-ide <linux-ide@vger.kernel.org>
Subject: Re: Hard freeze / interrupt-related death / instability
Date: Wed, 09 Apr 2008 02:14:29 +0400 [thread overview]
Message-ID: <47FBEE45.8010900@gmail.com> (raw)
In-Reply-To: <d55656c10804081502s52c61c7eo623cd9b6255613bb@mail.gmail.com>
Peter Gervai wrote:
>
>> > #acpi=off - uniprocessor, ok
>> > #noapic acpi=off - uniprocessor, ok
>> What means uniprocessor?
>> Also added nosmp or maxcpus=1?
>>
>
> Oh, maybe forgot to explain this one (copypaste from my grub menu.lst
> :)). It means the machine didn't freeze but the kernel completely
> ignored the second core of the dual core cpu, basically seem to have
> ignored SMP capability altogether. I did not use nosmp or maxcpu since
> I do want to use them all. :)
>
>
This is expected, there are two ways to find second CPU -- with MP
tables and ACPI.
New machines do not carry MP tables, so if you disable ACPI, second CPU
remains
unknown to the system.
next prev parent reply other threads:[~2008-04-08 22:14 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-04-08 13:27 Hard freeze / interrupt-related death / instability Peter Gervai
2008-04-08 20:47 ` Thomas Renninger
2008-04-08 22:02 ` Peter Gervai
2008-04-08 22:14 ` Alexey Starikovskiy [this message]
2008-04-09 9:40 ` Zhao Yakui
2008-04-08 22:47 ` Elias Oltmanns
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