RE: [PATCH] Au1xx0: really set KSEG0 to uncached on reboot

RE: [PATCH] Au1xx0: really set KSEG0 to uncached on reboot

[David Sanchez]

Hi,

This is exactly what I did...
But I notice that sometimes it works and sometimes the kernel frees when 
"** Resetting Integrated Peripherals"

Regards,

David SANCHEZ
 LexBox, The Digital Evidence

Parc d'Activités de Basso Cambo
42, Avenue du Général de Croutte
31100 TOULOUSE / FRANCE

david.sanchez@lexbox.fr
Tél :     +33 (0)5 62 47 15 81
Fax :    +33 (0)5 62 47 15 84



-----Message d'origine-----
De : Sergei Shtylylov [mailto:sshtylyov@ru.mvista.com] 
Envoyé : samedi 4 février 2006 01:30
À : David Sanchez
Cc : linux-mips@linux-mips.org
Objet : Re: [PATCH] Au1xx0: really set KSEG0 to uncached on reboot

Hello.

David Sanchez wrote:

> The patch doesn't work for Au1550. Since I apply it my DbAu1550 frees on
> restart.

    Just tried 'reboot' command on a fresh kernel with this patch and NFP 
userland -- it worked well.

> David

WBR, Sergei

RE: [PATCH] Au1xx0: really set KSEG0 to uncached on reboot

[David Sanchez]

Hi,

This is exactly what I did...
But I notice that sometimes it works and sometimes the kernel frees when 
"** Resetting Integrated Peripherals"

Regards,

David SANCHEZ
 LexBox, The Digital Evidence

Parc d'Activités de Basso Cambo
42, Avenue du Général de Croutte
31100 TOULOUSE / FRANCE

david.sanchez@lexbox.fr
Tél :     +33 (0)5 62 47 15 81
Fax :    +33 (0)5 62 47 15 84



-----Message d'origine-----
De : Sergei Shtylylov [mailto:sshtylyov@ru.mvista.com] 
Envoyé : samedi 4 février 2006 01:30
À : David Sanchez
Cc : linux-mips@linux-mips.org
Objet : Re: [PATCH] Au1xx0: really set KSEG0 to uncached on reboot

Hello.

David Sanchez wrote:

> The patch doesn't work for Au1550. Since I apply it my DbAu1550 frees on
> restart.

    Just tried 'reboot' command on a fresh kernel with this patch and NFP 
userland -- it worked well.

> David

WBR, Sergei

Re: Au1xx0: really set KSEG0 to uncached on reboot

[Jordan Crouse]

On 06/02/06 09:10 +0100, David Sanchez wrote:
> Hi,
> 
> This is exactly what I did...
> But I notice that sometimes it works and sometimes the kernel frees when 
> "** Resetting Integrated Peripherals"

We'll need to nail this down before we go any further.  Can we get a trace
of what happens when it crashes?

Jordan

-- 
Jordan Crouse
Senior Linux Engineer
AMD - Personal Connectivity Solutions Group
<www.amd.com/embeddedprocessors>

Re: Au1xx0: really set KSEG0 to uncached on reboot

[Sergei Shtylylov]

Hello.

Jordan Crouse wrote:
> On 06/02/06 09:10 +0100, David Sanchez wrote:
> 
>>Hi,
>>
>>This is exactly what I did...
>>But I notice that sometimes it works and sometimes the kernel frees when 

    You mean "freezes" probably? :-)

>>"** Resetting Integrated Peripherals"

    This is not kernel's msg, but YAMON's one...

> We'll need to nail this down before we go any further.  Can we get a trace
> of what happens when it crashes?

    David, do you have BCSR fix from:

http://www.linux-mips.org/archives/linux-mips/2005-10/msg00236.html

applied (the recent kernel has it but which one are you using?)?
DBAu1550 reset may not work as expeceted otherwise indeed...

> Jordan

WBR, Sergei

RE: Au1xx0: really set KSEG0 to uncached on reboot

[David Sanchez]

Yes, I mean "freezes" :) 

I have the BCSR fix applied.

And the message "** Resetting Integrated Peripherals" comes from the arch/mips/au1000/common/reset.c file (I'm using the kernel 2.6.10).

Maybe I forget to apply other patches...


-----Message d'origine-----
De : Sergei Shtylylov [mailto:sshtylyov@ru.mvista.com] 
Envoyé : lundi 6 février 2006 18:46
À : linux-mips@linux-mips.org
Cc : Jordan Crouse; David Sanchez; Sergei Shtylylov
Objet : Re: Au1xx0: really set KSEG0 to uncached on reboot

Hello.

Jordan Crouse wrote:
> On 06/02/06 09:10 +0100, David Sanchez wrote:
> 
>>Hi,
>>
>>This is exactly what I did...
>>But I notice that sometimes it works and sometimes the kernel frees when 

    You mean "freezes" probably? :-)

>>"** Resetting Integrated Peripherals"

    This is not kernel's msg, but YAMON's one...

> We'll need to nail this down before we go any further.  Can we get a trace
> of what happens when it crashes?

    David, do you have BCSR fix from:

http://www.linux-mips.org/archives/linux-mips/2005-10/msg00236.html

applied (the recent kernel has it but which one are you using?)?
DBAu1550 reset may not work as expeceted otherwise indeed...

> Jordan

WBR, Sergei

RE: Au1xx0: really set KSEG0 to uncached on reboot

[David Sanchez]

Yes, I mean "freezes" :) 

I have the BCSR fix applied.

And the message "** Resetting Integrated Peripherals" comes from the arch/mips/au1000/common/reset.c file (I'm using the kernel 2.6.10).

Maybe I forget to apply other patches...


-----Message d'origine-----
De : Sergei Shtylylov [mailto:sshtylyov@ru.mvista.com] 
Envoyé : lundi 6 février 2006 18:46
À : linux-mips@linux-mips.org
Cc : Jordan Crouse; David Sanchez; Sergei Shtylylov
Objet : Re: Au1xx0: really set KSEG0 to uncached on reboot

Hello.

Jordan Crouse wrote:
> On 06/02/06 09:10 +0100, David Sanchez wrote:
> 
>>Hi,
>>
>>This is exactly what I did...
>>But I notice that sometimes it works and sometimes the kernel frees when 

    You mean "freezes" probably? :-)

>>"** Resetting Integrated Peripherals"

    This is not kernel's msg, but YAMON's one...

> We'll need to nail this down before we go any further.  Can we get a trace
> of what happens when it crashes?

    David, do you have BCSR fix from:

http://www.linux-mips.org/archives/linux-mips/2005-10/msg00236.html

applied (the recent kernel has it but which one are you using?)?
DBAu1550 reset may not work as expeceted otherwise indeed...

> Jordan

WBR, Sergei

Re: Au1xx0: really set KSEG0 to uncached on reboot

[Sergei Shtylylov]

Hello.

David Sanchez wrote:
> Yes, I mean "freezes" :) 

> I have the BCSR fix applied.

> And the message "** Resetting Integrated Peripherals" comes from the arch/mips/au1000/common/reset.c file (I'm using the kernel 2.6.10).

    You're right, I'm wrong. :-)
    I'm using the same kernel for development (at least the same version of it 
:-), and it reboots OK.

> Maybe I forget to apply other patches...

    Can't say what other patches may concern this issue off the top of my head...

-----Message d'origine-----
> De : Sergei Shtylylov [mailto:sshtylyov@ru.mvista.com] 
> Envoyé : lundi 6 février 2006 18:46
> À : linux-mips@linux-mips.org
> Cc : Jordan Crouse; David Sanchez; Sergei Shtylylov
> Objet : Re: Au1xx0: really set KSEG0 to uncached on reboot
> 
> Hello.
> 
> Jordan Crouse wrote:
> 
>>On 06/02/06 09:10 +0100, David Sanchez wrote:
>>
>>
>>>Hi,
>>>
>>>This is exactly what I did...
>>>But I notice that sometimes it works and sometimes the kernel frees when 
> 
> 
>     You mean "freezes" probably? :-)
> 
> 
>>>"** Resetting Integrated Peripherals"
> 
> 
>     This is not kernel's msg, but YAMON's one...
> 
> 
>>We'll need to nail this down before we go any further.  Can we get a trace
>>of what happens when it crashes?
> 
> 
>     David, do you have BCSR fix from:
> 
> http://www.linux-mips.org/archives/linux-mips/2005-10/msg00236.html
> 
> applied (the recent kernel has it but which one are you using?)?
> DBAu1550 reset may not work as expeceted otherwise indeed...
> 
> 
>>Jordan

WBR, Sergei