Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S942106AbcJZXWw (ORCPT ); Wed, 26 Oct 2016 19:22:52 -0400 Received: from tex.lwn.net ([70.33.254.29]:33776 "EHLO vena.lwn.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S935068AbcJZXUI (ORCPT ); Wed, 26 Oct 2016 19:20:08 -0400 From: Jonathan Corbet To: linux-doc@vger.kernel.org Cc: linux-kernel@vger.kernel.org, Jani Nikula , Mauro Carvalho Chehab , Jonathan Corbet Subject: [PATCH 04/11] docs: Get rid of the badRAM guide Date: Wed, 26 Oct 2016 17:19:32 -0600 Message-Id: <1477523979-5837-5-git-send-email-corbet@lwn.net> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1477523979-5837-1-git-send-email-corbet@lwn.net> References: <1477523979-5837-1-git-send-email-corbet@lwn.net> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2157 Lines: 78 The last release of this tool was for 2.6.28; it's hard to see how it has any relevance to current kernels. Signed-off-by: Jonathan Corbet --- Documentation/admin-guide/bad-memory.rst | 50 -------------------------------- Documentation/admin-guide/index.rst | 1 - 2 files changed, 51 deletions(-) delete mode 100644 Documentation/admin-guide/bad-memory.rst diff --git a/Documentation/admin-guide/bad-memory.rst b/Documentation/admin-guide/bad-memory.rst deleted file mode 100644 index a5c0e25e496f..000000000000 --- a/Documentation/admin-guide/bad-memory.rst +++ /dev/null @@ -1,50 +0,0 @@ -How to deal with bad memory e.g. reported by memtest86+ ? -========================================================= - -March 2008 -Jan-Simon Moeller, dl9pf@gmx.de - - - -There are three possibilities I know of: - -1) Reinsert/swap the memory modules - -2) Buy new modules (best!) or try to exchange the memory - if you have spare-parts - -3) Use BadRAM or memmap - -This Howto is about number 3) . - - -BadRAM -###### - -BadRAM is the actively developed and available as kernel-patch -here: http://rick.vanrein.org/linux/badram/ - -For more details see the BadRAM documentation. - -memmap -###### - -memmap is already in the kernel and usable as kernel-parameter at -boot-time. Its syntax is slightly strange and you may need to -calculate the values by yourself! - -Syntax to exclude a memory area (see admin-guide/kernel-parameters.rst for details):: - - memmap=$
- -Example: memtest86+ reported here errors at address 0x18691458, 0x18698424 and -some others. All had 0x1869xxxx in common, so I chose a pattern of -0x18690000,0xffff0000. - -With the numbers of the example above:: - - memmap=64K$0x18690000 - -or:: - - memmap=0x10000$0x18690000 diff --git a/Documentation/admin-guide/index.rst b/Documentation/admin-guide/index.rst index 2ce2bf02824b..d737ae71efc6 100644 --- a/Documentation/admin-guide/index.rst +++ b/Documentation/admin-guide/index.rst @@ -58,5 +58,4 @@ configure specific aspects of kernel behavior to your liking. binfmt-misc mono java - bad-memory basic-profiling -- 2.7.4