linux-kernel - Re: Undefined instruction error on Cortex A57 (aarch64) in init process

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Message-ID: <1631431.E7IDbh3b5M@wuerfel>
Date:	Thu, 01 Oct 2015 10:54:45 +0200
From:	Arnd Bergmann <arnd@...db.de>
To:	linux-arm-kernel@...ts.infradead.org
Cc:	Pankaj Jangra <jangra.pankaj9@...il.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: Undefined instruction error on Cortex A57 (aarch64) in init process

On Thursday 01 October 2015 13:02:46 Pankaj Jangra wrote:
> In android system, after system is running for long time say 10 hour,
> some time i am hitting below
> traces:
> 
>  init[1]: undefined instruction: pc=0000000000401624
> Code: 1a9f00c2 aa1703e0 2a1603e1 9400e1bf (6b1f001f)
> Kernel panic - not syncing: Attempted to kill init! exitcode=0x00000004
> 
> 

Is it always the same address that causes the invalid instruction?
This is the main loop of the init process, so it clearly got executed
correctly before.

	Arnd
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