From mboxrd@z Thu Jan 1 00:00:00 1970 From: Grant Grundler Subject: Re: [Bug #13001] PCI-DMA: Out of IOMMU space Date: Mon, 4 May 2009 18:58:27 -0700 Message-ID: References: <20090428172845R.fujita.tomonori@lab.ntt.co.jp> <20090428184431Z.fujita.tomonori@lab.ntt.co.jp> Mime-Version: 1.0 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: DKIM-Signature: v=1; a=rsa-sha1; c=relaxed/relaxed; d=google.com; s=beta; t=1241488710; bh=u6bQ8z7UpH2E7G798ys8akhBpyY=; h=DomainKey-Signature:MIME-Version:In-Reply-To:References:Date: Message-ID:Subject:From:To:Cc:Content-Type: Content-Transfer-Encoding:X-System-Of-Record; b=Z4zp5epSO8BdFdY2QT cygayRvjUkdddoOedXHT2/ZZBIQCgrj9wK5x9mKMEJhvAsJBlECb2FvP2B195+eBnda w== In-Reply-To: Sender: kernel-testers-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-ID: Content-Type: text/plain; charset="utf-8" To: =?UTF-8?B?0JTQsNC90LjQu9CwINCW0YPQutC+0YbQutC40Lk=?= Cc: FUJITA Tomonori , rjw-KKrjLPT3xs0@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, kernel-testers-u79uwXL29TY76Z2rM5mHXA@public.gmane.org 2009/5/3 =D0=94=D0=B0=D0=BD=D0=B8=D0=BB=D0=B0 =D0=96=D1=83=D0=BA=D0=BE=D1= =86=D0=BA=D0=B8=D0=B9 : =2E.. > WARNING: at lib/dma-debug.c:607 check_unmap+0x542/0x610() > Hardware name: HP xw9400 Workstation > 3w-9xxx 0001:45:00.0: DMA-API: device driver tries to free DMA memory > it has not allocated [device address=3D0x0000000000000000] [size=3D36 > bytes] This is definitely a driver bug. Just follow the stack trace back to the device driver. thanks! grant From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757655AbZEEB6p (ORCPT ); Mon, 4 May 2009 21:58:45 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754370AbZEEB6d (ORCPT ); Mon, 4 May 2009 21:58:33 -0400 Received: from smtp-out.google.com ([216.239.33.17]:4826 "EHLO smtp-out.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754098AbZEEB6c convert rfc822-to-8bit (ORCPT ); Mon, 4 May 2009 21:58:32 -0400 DomainKey-Signature: a=rsa-sha1; s=beta; d=google.com; c=nofws; q=dns; h=mime-version:in-reply-to:references:date:message-id:subject:from:to: cc:content-type:content-transfer-encoding:x-system-of-record; b=jk5+txF4m8gFi4fgLGsmQKGFXPnTABnvgqCVbmZsLGQ+7y8/7qsbQxiVcnsiC11D2 VQ/fo2+9tkNyBWhhsrw5A== MIME-Version: 1.0 In-Reply-To: References: <20090428172845R.fujita.tomonori@lab.ntt.co.jp> <20090428184431Z.fujita.tomonori@lab.ntt.co.jp> Date: Mon, 4 May 2009 18:58:27 -0700 Message-ID: Subject: Re: [Bug #13001] PCI-DMA: Out of IOMMU space From: Grant Grundler To: =?UTF-8?B?0JTQsNC90LjQu9CwINCW0YPQutC+0YbQutC40Lk=?= Cc: FUJITA Tomonori , rjw@sisk.pl, linux-kernel@vger.kernel.org, kernel-testers@vger.kernel.org Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8BIT X-System-Of-Record: true Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 2009/5/3 Данила Жукоцкий : ... > WARNING: at lib/dma-debug.c:607 check_unmap+0x542/0x610() > Hardware name: HP xw9400 Workstation > 3w-9xxx 0001:45:00.0: DMA-API: device driver tries to free DMA memory > it has not allocated [device address=0x0000000000000000] [size=36 > bytes] This is definitely a driver bug. Just follow the stack trace back to the device driver. thanks! grant