https://bugzilla.kernel.org/show_bug.cgi?id=82761 Bug ID: 82761 Summary: DMAR:[fault reason 06] PTE Read access is not set Product: Virtualization Version: unspecified Kernel Version: 3.16.1 Hardware: All OS: Linux Tree: Mainline Status: NEW Severity: normal Priority: P1 Component: kvm Assignee: virtualization_kvm@xxxxxxxxxxxxxxxxxxxx Reporter: ansalonistefano@xxxxxxxxx Regression: No When I boot with "intel_iommu=on" parameter, I get these errors repeated over and over again in dmesg: --- dmar: DRHD: handling fault status reg 3 dmar: DMAR:[DMA Read] Request device [05:00.0] fault addr ff3f4000 DMAR:[fault reason 06] PTE Read access is not set --- lspci -vvs 05:00.0 05:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8169 PCI Gigabit Ethernet Controller (rev 10) Subsystem: Realtek Semiconductor Co., Ltd. RTL8169/8110 Family PCI Gigabit Ethernet NIC Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV+ VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx- Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx- Latency: 64 (8000ns min, 16000ns max), Cache Line Size: 32 bytes Interrupt: pin A routed to IRQ 19 Region 0: I/O ports at c200 [size=256] Region 1: Memory at f7862000 (32-bit, non-prefetchable) [size=256] Expansion ROM at f7840000 [disabled] [size=128K] Capabilities: [dc] Power Management version 2 Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=375mA PME(D0-,D1+,D2+,D3hot+,D3cold+) Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME- Kernel driver in use: r8169 lspci -vt -[0000:00]-+-00.0 Intel Corporation Xeon E3-1200 v2/3rd Gen Core processor DRAM Controller +-01.0-[01]--+-00.0 NVIDIA Corporation Device 0fc6 | \-00.1 NVIDIA Corporation Device 0e1b +-02.0 Intel Corporation Xeon E3-1200 v2/3rd Gen Core processor Graphics Controller +-14.0 Intel Corporation 7 Series/C210 Series Chipset Family USB xHCI Host Controller +-16.0 Intel Corporation 7 Series/C210 Series Chipset Family MEI Controller #1 +-1a.0 Intel Corporation 7 Series/C210 Series Chipset Family USB Enhanced Host Controller #2 +-1b.0 Intel Corporation 7 Series/C210 Series Chipset Family High Definition Audio Controller +-1c.0-[02]-- +-1c.1-[03]----00.0 Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller +-1c.3-[04-05]----00.0-[05]--+-00.0 Realtek Semiconductor Co., Ltd. RTL8169 PCI Gigabit Ethernet Controller | +-01.0 Realtek Semiconductor Co., Ltd. RTL8169 PCI Gigabit Ethernet Controller | \-02.0 Realtek Semiconductor Co., Ltd. RTL8169 PCI Gigabit Ethernet Controller +-1d.0 Intel Corporation 7 Series/C210 Series Chipset Family USB Enhanced Host Controller #1 +-1f.0 Intel Corporation H77 Express Chipset LPC Controller +-1f.2 Intel Corporation 7 Series/C210 Series Chipset Family 6-port SATA Controller [AHCI mode] \-1f.3 Intel Corporation 7 Series/C210 Series Chipset Family SMBus Controller dmesg | grep IOMMU Intel-IOMMU: enabled dmar: IOMMU 0: reg_base_addr fed90000 ver 1:0 cap c0000020e60262 ecap f0101a dmar: IOMMU 1: reg_base_addr fed91000 ver 1:0 cap c9008020660262 ecap f0105a IOAPIC id 2 under DRHD base 0xfed91000 IOMMU 1 IOMMU 0 0xfed90000: using Queued invalidation IOMMU 1 0xfed91000: using Queued invalidation IOMMU: software identity mapping for device 0000:00:00.0 IOMMU: software identity mapping for device 0000:00:01.0 IOMMU: software identity mapping for device 0000:00:14.0 IOMMU: software identity mapping for device 0000:00:16.0 IOMMU: software identity mapping for device 0000:00:1a.0 IOMMU: software identity mapping for device 0000:00:1b.0 IOMMU: software identity mapping for device 0000:00:1c.0 IOMMU: software identity mapping for device 0000:00:1c.1 IOMMU: software identity mapping for device 0000:00:1c.3 IOMMU: software identity mapping for device 0000:00:1d.0 IOMMU: software identity mapping for device 0000:00:1f.0 IOMMU: software identity mapping for device 0000:00:1f.2 IOMMU: software identity mapping for device 0000:00:1f.3 IOMMU: software identity mapping for device 0000:01:00.0 IOMMU: software identity mapping for device 0000:01:00.1 IOMMU: software identity mapping for device 0000:03:00.0 IOMMU: Setting RMRR: IOMMU: Setting identity map for device 0000:00:02.0 [0xcb800000 - 0xcf9fffff] IOMMU: Setting identity map for device 0000:00:14.0 [0xc8d17000 - 0xc8d24fff] IOMMU: Setting identity map for device 0000:00:1a.0 [0xc8d17000 - 0xc8d24fff] IOMMU: Setting identity map for device 0000:00:1d.0 [0xc8d17000 - 0xc8d24fff] IOMMU: Prepare 0-16MiB unity mapping for LPC IOMMU: Setting identity map for device 0000:00:1f.0 [0x0 - 0xffffff] OS: Debian Wheezy Kernel: 3.16.1 (compiled by hand) If you need more information, just ask. -- You are receiving this mail because: You are watching the assignee of the bug. -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
