From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-io0-f169.google.com (mail-io0-f169.google.com [209.85.223.169]) by kanga.kvack.org (Postfix) with ESMTP id 18F9E6B0253 for ; Wed, 5 Aug 2015 15:34:39 -0400 (EDT) Received: by iodd187 with SMTP id d187so59763295iod.2 for ; Wed, 05 Aug 2015 12:34:38 -0700 (PDT) Received: from resqmta-po-10v.sys.comcast.net (resqmta-po-10v.sys.comcast.net. [2001:558:fe16:19:96:114:154:169]) by mx.google.com with ESMTPS id rs8si4992554igb.99.2015.08.05.12.34.38 for (version=TLSv1.2 cipher=RC4-SHA bits=128/128); Wed, 05 Aug 2015 12:34:38 -0700 (PDT) Date: Wed, 5 Aug 2015 14:34:36 -0500 (CDT) From: Christoph Lameter Subject: Re: PROBLEM: 4.1.4 -- Kernel Panic on shutdown In-Reply-To: <12261B75-F5F5-4332-A7E9-490251E4DC37@rjmx.net> Message-ID: References: <55C18D2E.4030009@rjmx.net> <20150805162436.GD25159@twins.programming.kicks-ass.net> <81C750EC-F4D4-4890-894A-1D92E5CF3A31@rjmx.net> <12261B75-F5F5-4332-A7E9-490251E4DC37@rjmx.net> Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org List-ID: To: Ron Murray Cc: Peter Zijlstra , Pekka Enberg , David Rientjes , Joonsoo Kim , Andrew Morton , "linux-mm@kvack.org" , Ingo Molnar On Wed, 5 Aug 2015, Ron Murray wrote: > True. But if I don't get a crash with it, it might tell us whether the > fault lies with SLUB or not. And I will still try with SLUB and the > debug option (probably tonight, after I get home). What fails is the check for a pointer to valid slab page on kfree. That pointer was handed to the allocator. -- 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/ . Don't email: email@kvack.org