Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753694AbZDOR17 (ORCPT ); Wed, 15 Apr 2009 13:27:59 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751791AbZDOR1u (ORCPT ); Wed, 15 Apr 2009 13:27:50 -0400 Received: from qw-out-2122.google.com ([74.125.92.27]:7912 "EHLO qw-out-2122.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751911AbZDOR1t convert rfc822-to-8bit (ORCPT ); Wed, 15 Apr 2009 13:27:49 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:sender:in-reply-to:references:date :x-google-sender-auth:message-id:subject:from:to:cc:content-type :content-transfer-encoding; b=MqMm5wqnufyJfcrFa0T47L6C2EzoC5rqfzQ+aIdM3HavawMtPuyOnyeIPKHxd4xMQL nhzNpsv1lOfQTkv7NBO48chpsEebe+wT8wqmVn3G4zZGuUJfLMtu/OS97fYU1Da0kshL Ya8QDF7FdpkKKiroR3hIly9+TLWsS5eEvF5qA= MIME-Version: 1.0 In-Reply-To: References: Date: Wed, 15 Apr 2009 10:27:48 -0700 X-Google-Sender-Auth: d09a5f216314f0f4 Message-ID: Subject: Re: 2.6.30-rc1: ioatdma: DMA-API: device driver frees DMA memory with wrong function From: Dan Williams To: Alexander Beregalov Cc: Kernel Testers List , LKML , maciej.sosnowski@intel.com Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1184 Lines: 29 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 -- 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/