From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx172.postini.com [74.125.245.172]) by kanga.kvack.org (Postfix) with SMTP id 2E8C76B004F for ; Fri, 16 Dec 2011 22:28:40 -0500 (EST) Received: by wgbdt12 with SMTP id dt12so3769477wgb.2 for ; Fri, 16 Dec 2011 19:28:38 -0800 (PST) Message-ID: <1324092514.2621.49.camel@edumazet-laptop> Subject: Re: Memory corruption warnings triggered by repeated slabinfo -v From: Eric Dumazet Date: Sat, 17 Dec 2011 04:28:34 +0100 In-Reply-To: <4EEBFAF3.60609@palosanto.com> References: <4EEBFAF3.60609@palosanto.com> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8bit Mime-Version: 1.0 Sender: owner-linux-mm@kvack.org List-ID: To: Alex =?ISO-8859-1?Q?Villac=EDs?= Lasso Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org Le vendredi 16 dA(C)cembre 2011 A 21:14 -0500, Alex VillacA-s Lasso a A(C)crit : > I am running Fedora 16 x86_64 and testing vanilla kernel 3.2-rc5. I > wanted to test the slabinfo program, so I wrote a small shell script > slabinfo-forever.sh (attached) that invokes slabinfo -v every 3 seconds. > Just by doing this, I was able to trigger several memory validation > warnings, attached in this message. The reason I wanted to test slabinfo > is because back when I was running Fedora 14, I had some video issues > that seemed consistent with memory corruption. I tried to submit a > kernel bug at https://bugzilla.kernel.org/show_bug.cgi?id=42312 just > before the kernel.org hack issue, but bugzilla.kernel.org never came up > after that. Problem is known and fixes were submitted. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: email@kvack.org