Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S265221AbUAJPwc (ORCPT ); Sat, 10 Jan 2004 10:52:32 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S265224AbUAJPwc (ORCPT ); Sat, 10 Jan 2004 10:52:32 -0500 Received: from fencepost.gnu.org ([199.232.76.164]:28294 "EHLO fencepost.gnu.org") by vger.kernel.org with ESMTP id S265221AbUAJPw3 (ORCPT ); Sat, 10 Jan 2004 10:52:29 -0500 Date: Sat, 10 Jan 2004 10:51:50 -0500 To: "Feldman, Scott" Cc: Jeff Garzik , linux-kernel@vger.kernel.org Subject: Re: [2.6.0-mm2] e100 driver hangs after period of moderate receive load Message-ID: <20040110155150.GC23063@gnu.org> References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.3.28i From: Lennert Buytenhek Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1039 Lines: 26 On Fri, Jan 09, 2004 at 05:17:40PM -0800, Feldman, Scott wrote: > > > Is NAPI enabled for this driver?? The interrupt behavior seems normal > > > for NAPI, but certainly the rest of the behavior does not... > > > > Yes, NAPI was indeed enabled. > > > > I 'went back' to 2.6.1-rc1 and that seems fine now.? Any patches you want > > me to try on top of 2.6.0-mm2? > > Lennert, would you mind trying this patch to verify that problem is fixed? > > The driver was indicating skbs to the stack before h/w was done with the > DMA. Not good. That's what causes the corruption. The stack free's the > skb, and then h/w writes to it's data area. AFAICS, didn't help, I still get the slab corruption. Anything else you want me to try? Do you want me to send the klogd output I get now? --L - 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/