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

From: David Miller
Date: Wed Jun 22 2016 - 14:48:17 EST


From: 神田 尚 <hikanda@xxxxxxxxxx>
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.