[Top] [All Lists]

Re: sti() freezes the kernel

To: Yoann Allain <>
Subject: Re: sti() freezes the kernel
From: Ralf Baechle <>
Date: Mon, 17 Oct 2005 14:10:47 +0100
In-reply-to: <>
Original-recipient: rfc822;
References: <>
User-agent: Mutt/
On Mon, Oct 17, 2005 at 10:48:46AM +0200, Yoann Allain wrote:

> I'm actually trying to start a 2.4 kernel on our new card.
> The kernel freezes when enabling interrupts with sti() in start_kernel() 
> (just before calculating BogoMips...).
> This looks like an interrupts is up when enabling so that it stops the 
> MIPS and freezes the kernel.
> I'm looking after this interrupt but I would like to know if there could 
> be any others reasons for my kernel to freeze when doing a call to sti();

This is a fairly scenario and as you suspect it's being caused by interrupt
problems, such as interrupts still pending from the firmware, being
not initialized at all or similar.


<Prev in Thread] Current Thread [Next in Thread>