Re: XLlTemac soft lockup BUG

From: Brian Silverman <bsilverman@conceptxdesign•com>
To: Hugo Villeneuve <hugo.villeneuve@lyrtech•com>
Cc: linuxppc-embedded@ozlabs•org
Subject: Re: XLlTemac  soft lockup BUG
Date: Thu, 17 Apr 2008 11:20:26 -0400	[thread overview]
Message-ID: <48076ABA.1030500@conceptxdesign.com> (raw)
In-Reply-To: <42848A5C5A0D1E47B026E644DD49B08E025AA69F@mail>

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Hugo,

We have a design with the BCM5482, and will be trying it out shortly.  
Any chance you could post a patch of your BCM5466 mods?

-bri

Hugo Villeneuve wrote:
> linuxppc-embedded-bounces+hugo.villeneuve=lyrtech.com@ozlabs•org wrote:
>   
>> Hi all,
>>
>> I am trying to switch my design from the PLB Temac to the local link
>> temac, and i have a problem when trying to run ifconfig in my init
>> script.  It gives me a BUG: soft lockup - CPU#0 stuck for 11s!
>> [ifconfig:208] Here is the rest of the dump, thanks for your help in
>> advance. [  233.114960] eth0: XLlTemac: Options: 0x3fa   
>>
>> [  233.118449] eth0: XLlTemac: allocating interrupt 8 for fifo mode.
>>
>> [  237.135029] eth0: XLlTemac: We renegotiated the speed to: 100
>>
>> [  237.150339] eth0: XLlTemac: speed set to 100Mb/s
>>
>> [  244.792140] BUG: soft lockup - CPU#0 stuck for 11s! [ifconfig:204]
>>     
>
> Hi,
> we had a similar error message, which was caused by us selecting the wrong PHY type in the kernel configuration menu (latest linux-2.6-xlnx-git tree). In fact, we had to modify the lltemac driver to support our PHY (BCM5466). Once we did that, the error message went away.
>
> Hugo V.
>
>
> Hugo Villeneuve
> Hardware developer | Concepteur matériel
> Lyrtech
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-- 
Brian Silverman
Concept X, LLC

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