From mboxrd@z Thu Jan 1 00:00:00 1970 From: Gerd Knorr Subject: Re: bug: slab corruption (net backend?) Date: Thu, 7 Jul 2005 13:35:14 +0200 Message-ID: <20050707113514.GA30556@bytesex> References: <20050707094132.GA29339@bytesex> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: Steven Hand Cc: xen-devel@lists.xensource.com List-Id: xen-devel@lists.xenproject.org > One thing to check is what the underlying pfn and/or mfn is for the > relevant slabs(s) which could point to an allocation issue. Looks like xen allocates via kmem_cache_alloc() and releases via kfree(), which is illegal according to a comment in mm/slab.c Seems to work nevertheless, but maybe it's pure luck and we'll hit a bug sooner or later. I'll try fix this and see if the problem goes away then ... Gerd -- panic("it works"); /* avoid being flooded with debug messages */