From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ingo Molnar Subject: Re: [1/3] 2.6.21-rc6: known regressions Date: Fri, 20 Apr 2007 15:39:52 +0200 Message-ID: <20070420133952.GA17749@elte.hu> References: <20070414003625.GS5907@stusta.de> <20070414062143.GA12707@elte.hu> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: Ayaz Abdulla , e1000-devel@lists.sourceforge.net, netdev@vger.kernel.org, Adrian Bunk , Greg KH , Dave Jones , Andrew Morton , Jeff Garzik , "David S. Miller" To: Linus Torvalds Return-path: Content-Disposition: inline In-Reply-To: <20070414062143.GA12707@elte.hu> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: e1000-devel-bounces@lists.sourceforge.net Errors-To: e1000-devel-bounces@lists.sourceforge.net List-Id: netdev.vger.kernel.org * Ingo Molnar wrote: > > The 6b6b6b6b pattern is POISON_FREE, implying some kind of slab > > misuse, most likely a use-after-free, although possibly just due to > > overrunning a slab into the next one or something like that. > > unfortunately, while being at -rc6 based kernel #445 meanwhile, this > incident was the only time i saw this problem. [...] meanwhile i'm at kernel bootup #657, and still this crash did not reoccur. So it could have been some pre-existing sysfs bug that triggers only extremely rarely. I'd suggest that this bug have its priority lowered (to not hold up a v2.6.21 release) - there's no smoking gun and no reproducer. I'll keep an eye on it. Ingo ------------------------------------------------------------------------- This SF.net email is sponsored by DB2 Express Download DB2 Express C - the FREE version of DB2 express and take control of your XML. No limits. Just data. Click to get it now. http://sourceforge.net/powerbar/db2/