From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752115AbbJAIzQ (ORCPT ); Thu, 1 Oct 2015 04:55:16 -0400 Received: from mout.kundenserver.de ([212.227.17.10]:64917 "EHLO mout.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750954AbbJAIzL (ORCPT ); Thu, 1 Oct 2015 04:55:11 -0400 From: Arnd Bergmann To: linux-arm-kernel@lists.infradead.org Cc: Pankaj Jangra , "linux-kernel@vger.kernel.org" Subject: Re: Undefined instruction error on Cortex A57 (aarch64) in init process Date: Thu, 01 Oct 2015 10:54:45 +0200 Message-ID: <1631431.E7IDbh3b5M@wuerfel> User-Agent: KMail/4.11.5 (Linux/3.16.0-10-generic; KDE/4.11.5; x86_64; ; ) In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" X-Provags-ID: V03:K0:CWjsu9+rkPjrHXl42TxQPnJtXncVgdQ7Aw1kG471t7rxqUxkRP/ X+HDL7pTNMAne92fhYlvR1ZuhLvPTalLNAbqO5X/0yn8MWlDUrpNHbEkv3rSJWnliaMpANn +gOipi2uWHvkczKYdu8DnoMmAxlAHeR0QFkkVaYN6bnxf8mRVDT9p4O75sRwTc9I9IR6abs 4dkPLLpiSOPSbq7dtBzQg== X-UI-Out-Filterresults: notjunk:1;V01:K0:GiSiYY5xqmU=:cPgXxLUBcA70ZdAMuZGhfK XAwHXytnykNLddX9Nv7/tqukvEvsUsFGRBpLuTbmiRNO9E3s/vUXE/mptwTu2Mx5U64jYEfwb x48DfeP8jr/OmU4mFtt3UKks/W1YlRa7o+2GyY+lCpPzNnS6nbt6E84rRmk3re1YVJ8vcwKsP 4N/6HXcuTau4QlLo9If+P+4mA4v9k3xktYd4tXRfV/s1DmGqi6Pu+5s8ZWfyKU/5fpTUYknQM ELBme6+8/JpYuAMOtLdfk3uOoPlKWmls1HNFvZ/hwRktjHhU46u7ybfc57uMQr2ClUoojR/o3 RIXr2gN7BRxmD3pbq5jIpebDuDW/KhJUAcoOs2mVIpsfR8XhoxrWcZ3L+sTBFt/XgBmpmdbj1 +77dnxqSaciwuOAPYJXyuM74awTbU9GCzKRc4V1uvW95apvD9HxMmQitaY/4suDJ4m3UWFqqi NK6vYCgTHO/HuMBuXag7P1JuKPcWSgdDA5iMDcAqrAqm3JxItLirVTJSjbnnNd8fY4fNiyvpn dUBrKc6GxlboUYqpECn8iD4Z6JV14RkZvSGBFhSS6KSvmFJxdMaUW+BvZw9ottzeVPb2t9O8D 6ca2TsW8Ejj9Eo8dCaXK7G8tTUCFPXtSavOFeIJtsI/iWXHQR4krz8fbyDGfMj7Zd4Pj+AP2N 8WNkFTwR7ycZGmhuQ/7dM/cI7BwB8sYfQLIdGE4PVnc0zdWxy4sVaNPd3m73PgqoQBTzwG43n UuREmftMLwePhM42 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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