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RE: Problems booting Linux 2.6.18.1 on MIPS34K core

To: "'Atsushi Nemoto'" <anemo@mba.ocn.ne.jp>
Subject: RE: Problems booting Linux 2.6.18.1 on MIPS34K core
From: Trevor Hamm <Trevor_Hamm@pmc-sierra.com>
Date: Tue, 14 Nov 2006 13:47:41 -0800
Cc: linux-mips@linux-mips.org
Original-recipient: rfc822;linux-mips@linux-mips.org
Sender: linux-mips-bounce@linux-mips.org
 

> -----Original Message-----
> From: Atsushi Nemoto [mailto:anemo@mba.ocn.ne.jp] 
> Sent: Thursday, November 09, 2006 9:16 PM
> To: Trevor Hamm
> Cc: linux-mips@linux-mips.org
> Subject: Re: Problems booting Linux 2.6.18.1 on MIPS34K core
> 
> Could you confirm that removing whole "if (mapping ..." block from
> __flush_dcache_page can hide your problem?
> 

Yes, removing this block seems to hide the problem.  I can boot completely to a 
login prompt.

> Or if you changed a line in __update_cache():
> 
>       int exec = (vma->vm_flags & VM_EXEC) && !cpu_has_ic_fills_f_dc;
> 
> to
> 
>       int exec = 1;
> 
> then your problem still happen?
> 

Yes, with this change, the boot-up problem persists.

Thanks,
Trevor

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