Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760895AbZDQMB1 (ORCPT ); Fri, 17 Apr 2009 08:01:27 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1759298AbZDQMBP (ORCPT ); Fri, 17 Apr 2009 08:01:15 -0400 Received: from mail-ew0-f176.google.com ([209.85.219.176]:50856 "EHLO mail-ew0-f176.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753495AbZDQMBO convert rfc822-to-8bit (ORCPT ); Fri, 17 Apr 2009 08:01:14 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; b=VS8mvqOpwrIwtGGV464lertiwXg707Llj+i760f0lStKEyh4nK3TOrru/T/o4ZFbtk vfA00d4mkEWFT67TYK9OY482oN1rYjGhAoq2aPV6xoihbTSlcCnabYy/M6o6/mrLTIPB 6DIoe75TPCXmqGJEJutJ+WpAzrLfNSsclpt4w= MIME-Version: 1.0 In-Reply-To: <129600E5E5FB004392DDC3FB599660D792A39C27@irsmsx504.ger.corp.intel.com> References: <129600E5E5FB004392DDC3FB599660D792A39C27@irsmsx504.ger.corp.intel.com> Date: Fri, 17 Apr 2009 16:01:06 +0400 Message-ID: Subject: Re: 2.6.30-rc1: ioatdma: DMA-API: device driver frees DMA memory with wrong function From: Alexander Beregalov To: "Sosnowski, Maciej" Cc: "Williams, Dan J" , Kernel Testers List , LKML Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1458 Lines: 38 2009/4/17 Sosnowski, Maciej : > Dan Williams wrote: >> On Wed, Apr 15, 2009 at 5:39 AM, Alexander Beregalov >> wrote: >>> 2009/4/9 Alexander Beregalov : >>>> ioatdma 0000:00:08.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16 >>>> ioatdma 0000:00:08.0: setting latency timer to 64 >>>> ioatdma 0000:00:08.0: Intel(R) I/OAT DMA Engine found, 4 channels, >>>> device version 0x12, driver version 3.64 >>>>  alloc irq_desc for 33 on cpu 0 node 0 >>>>  alloc kstat_irqs on cpu 0 node 0 >>>> ioatdma 0000:00:08.0: irq 33 for MSI/MSI-X >>>> ------------[ cut here ]------------ >>>> WARNING: at lib/dma-debug.c:565 check_unmap+0x2f6/0x6a0() >>>> Hardware name: PowerEdge 1950 >>>> ioatdma 0000:00:08.0: DMA-API: device driver frees DMA memory with >>>> wrong function [device address=0x000000007f76f800] [size=2000 bytes] [map >>>> ped as single] [unmapped as page] >>> >>> The problem still persists. >> >> Thanks for the report Alexander.  Maciej and I are looking into a fix. >> >> Regards, >> Dan > > Hi Alexander, > > Could you check if the following patch helps? Hi Maciej. No, unfortunately it does not help. The same warning message. -- 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/