Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933516Ab3CVPhU (ORCPT ); Fri, 22 Mar 2013 11:37:20 -0400 Received: from mail-vb0-f42.google.com ([209.85.212.42]:57920 "EHLO mail-vb0-f42.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932621Ab3CVPhT (ORCPT ); Fri, 22 Mar 2013 11:37:19 -0400 MIME-Version: 1.0 In-Reply-To: References: <1363809337-29718-1-git-send-email-riel@surriel.com> Date: Fri, 22 Mar 2013 08:37:18 -0700 X-Google-Sender-Auth: 38MjCJPckcAvoKIWIsgIyDtaAII Message-ID: Subject: Re: ipc,sem: sysv semaphore scalability From: Linus Torvalds To: Emmanuel Benisty Cc: Rik van Riel , Davidlohr Bueso , Linux Kernel Mailing List , Andrew Morton , hhuang@redhat.com, "Low, Jason" , Michel Lespinasse , Larry Woodman , "Vinod, Chegu" Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 848 Lines: 19 On Fri, Mar 22, 2013 at 4:04 AM, Emmanuel Benisty wrote: > > I was trying your patchset and my machine died while building a > package. I could reproduce the bug the (only) two times I tried. > There's a poor quality picture here: http://i.imgur.com/MuYuyQC.jpg Hmm. The original oops may well have scrolled off the window, what remains is just indicating something is corrupted in slab. Which isn't likely to give much hints.. Can you try to reproduce this with CONFIG_SLUB_DEBUG=y and CONFIG_SLUB_DEBUG_ON=y, and see if there are any earlier messages? Linus -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/