linux-kernel - Re: [PATCH] sparc64: Swap registers for fault code and address in mna trap

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Date:	Wed, 22 Jun 2016 14:48:01 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	hikanda@...b.co.jp
Cc:	sparclinux@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] sparc64: Swap registers for fault code and address in
 mna trap

From: 神田　尚 <hikanda@...b.co.jp>
Date: Tue, 21 Jun 2016 10:36:42 +0000

> Hi, David
> 
> Thank you for your reply.
> 
>> If you can really trigger this code path, please post the kernel log
>> backtrace that happens when the BUG() triggers.  That way we can
>> figure out what the real problem is.
> I'm sorry I cannot show the information. I don't have now.
> In fact, BUG() in do_sparc64_fault occurred in modified version
> of linux-2.6.25.8 on SPARC64VIIIfx. I'm misunderstanding that
> the same problem remains in the latest.

You have to show me that the calltrace occurs with the latest
kernel.