Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757063AbZCOMEf (ORCPT ); Sun, 15 Mar 2009 08:04:35 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754411AbZCOME0 (ORCPT ); Sun, 15 Mar 2009 08:04:26 -0400 Received: from rv-out-0506.google.com ([209.85.198.233]:59499 "EHLO rv-out-0506.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752972AbZCOME0 (ORCPT ); Sun, 15 Mar 2009 08:04:26 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:date:message-id:subject:from:to:content-type :content-transfer-encoding; b=j41G39uP7PaNgGRczbN44NPctArVliPuqXxZzt2edSno6uGYI0eKJ3gQBfes4V+ymd HIOOml/5tspRIEqL+Rps30bJ0bmsj1l31QAWX90ZKSAx0O/GyxTEqT+vHH9vLEO6OmR1 13jaylEH18S2/tR5W9nlxFjVULiSQ8jK3X3to= MIME-Version: 1.0 Date: Sun, 15 Mar 2009 21:04:21 +0900 Message-ID: Subject: DMAR ERROR by nVidia video card From: Yoshiharu Mori To: linux-kernel@vger.kernel.org Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 4687 Lines: 98 Hi I enabled DMAR by kernel parameter, and started X windows. The following error message is reported forever. Is this driver's issue? Mar 15 19:50:44 localhost kernel: IRQ 16/nvidia: IRQF_DISABLED is not guaranteed on shared IRQs Mar 15 19:50:45 localhost kernel: DMAR:[DMA Read] Request device [02:00.0] fault addr 0 Mar 15 19:50:45 localhost kernel: DMAR:[fault reason 06] PTE Read access is not set Mar 15 19:50:45 localhost acpid: client connected from 4682[0:0] Mar 15 19:50:45 localhost kernel: DMAR:[DMA Read] Request device [02:00.0] fault addr 0 Mar 15 19:50:45 localhost kernel: DMAR:[fault reason 06] PTE Read access is not set Mar 15 19:50:45 localhost kernel: DMAR:[DMA Read] Request device [02:00.0] fault addr 0 Mar 15 19:50:45 localhost kernel: DMAR:[fault reason 06] PTE Read access is not set ...continue -- my env -- Distribution :Fedora 10 kernel :2.6.29-rc8 kernel parameter:intel_iommu=igfx_off intel_iommu=on nVidia driver :NVIDIA-Linux-x86_64-180.29-pkg2.run #lspci .. 02:00.0 VGA compatible controller: nVidia Corporation GeForce 8400 GS (rev a1) .. #cat /proc/interrupts CPU0 CPU1 CPU2 CPU3 CPU4 CPU5 CPU6 CPU7 0: 150 0 0 115006 0 0 0 0 IO-APIC-edge timer 1: 0 0 0 2 0 0 0 0 IO-APIC-edge i8042 3: 0 0 0 2 0 0 0 0 IO-APIC-edge 4: 0 0 0 278 0 0 0 0 IO-APIC-edge serial 8: 0 0 0 0 0 0 0 0 IO-APIC-edge rtc0 9: 0 0 0 0 0 0 0 0 IO-APIC-fasteoi acpi 12: 0 0 0 4 0 0 0 0 IO-APIC-edge i8042 16: 29 0 0 0 0 115 20 0 IO-APIC-fasteoi sata_sil24, nvidia 17: 0 0 0 0 0 12 0 0 IO-APIC-fasteoi firewire_ohci 20: 0 0 0 0 0 0 0 0 IO-APIC-fasteoi ehci_hcd:usb2, uhci_hcd:usb3, uhci_hcd:usb6 21: 0 0 0 72 0 184 894 0 IO-APIC-fasteoi uhci_hcd:usb4, uhci_hcd:usb7 22: 0 0 281 0 0 42 0 0 IO-APIC-fasteoi ehci_hcd:usb1, uhci_hcd:usb8, HDA Intel 23: 0 0 0 0 0 0 0 0 IO-APIC-fasteoi uhci_hcd:usb5 24: 0 0 0 0 231 0 0 0 DMAR_MSI-edge dmar0 31: 1 2939 9024 0 0 0 0 0 PCI-MSI-edge ahci 50: 0 0 21 0 0 0 2187 0 PCI-MSI-edge eth2-rx-0 51: 0 0 0 35 0 971163 0 0 PCI-MSI-edge eth2-tx-0 52: 0 0 0 3 0 0 0 0 PCI-MSI-edge eth2 NMI: 0 0 0 0 0 0 0 0 Non-maskable interrupts LOC: 22415 15089 20532 5501 11525 14125 17015 11666 Local timer interrupts RES: 3397 1695 2233 1548 2027 1919 2824 2388 Rescheduling interrupts CAL: 170 183 170 199 217 198 225 227 Function call interrupts TLB: 79 100 84 112 459 360 431 499 TLB shootdowns TRM: 0 0 0 0 0 0 0 0 Thermal event interrupts THR: 0 0 0 0 0 0 0 0 Threshold APIC interrupts SPU: 0 0 0 0 0 0 0 0 Spurious interrupts ERR: 0 MIS: 0 -- 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/