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[Xen-users] VTd - PCI Passthrough - VMError: fail to assign device

To: "xen-users@xxxxxxxxxxxxxxxxxxx >> xen-users" <xen-users@xxxxxxxxxxxxxxxxxxx>

From: Stefan Bauer <stefan.bauer@xxxxxxxxxxx>

Date: Sat, 25 Oct 2008 18:09:45 +0200

Delivery-date: Sat, 25 Oct 2008 09:09:53 -0700

List-id: Xen user discussion <xen-users.lists.xensource.com>

Dear Users, Debian Etch 2.6.18.8-xen from xensource.com with Xen 3.3.0 on AMD64: After i want to start the HVM i get: VmError: fail to assign device(1:0.0): maybe it has already been assigned to other domain, or maybe it doesn't exist. [2008-10-25 19:59:30 2460] DEBUG (__init__:1072) XendDomainInfo.destroy: domid=5 [2008-10-25 19:59:30 2460] DEBUG (__init__:1072) XendDomainInfo.destroyDomain(5) [2008-10-25 19:59:30 2460] DEBUG (__init__:1072) No device model [2008-10-25 19:59:30 2460] DEBUG (__init__:1072) Releasing devices [2008-10-25 19:59:30 2460] ERROR (__init__:1072) Domain construction failed Traceback (most recent call last): File "//usr/lib64/python/xen/xend/XendDomainInfo.py", line 92, in create vm.start() File "//usr/lib64/python/xen/xend/XendDomainInfo.py", line 424, in start XendTask.log_progress(0, 30, self._constructDomain) File "//usr/lib64/python/xen/xend/XendTask.py", line 209, in log_progress retval = func(*args, **kwds) File "//usr/lib64/python/xen/xend/XendDomainInfo.py", line 2103, in _constructDomain raise VmError("fail to assign device(%x:%x.%x): maybe it has" VmError: fail to assign device(1:0.0): maybe it has already been assigned to other domain, or maybe it doesn't exist. I want to passthrough a PCI-E graphiccard to a windows 2000 hvm-guest: 01:00.0 is the correct pci-id from lspci output: After the pci device is hidden, lspci doesnt show it anymore as expected. Please see details below: /boot/grub/menu.lst title Debian 2.6.18.8-xen root (hd0,1) kernel /boot/xen-3.3.0.gz console=vga max_loop=128 dom0_mem=512M iommu=1 vtd=1 module /boot/vmlinuz-2.6.18.8-xen root=/dev/sda2 ro pciback.hide=(01:00.0) module /boot/initrd.img-2.6.18.8-xen /etc/xen/win2k kernel = "/usr/lib/xen/boot/hvmloader" builder='hvm' memory = 512 name = "win2k" acpi=0 pci = [ '01:00.0' ] ... and a few other things ... xm dmesg __ __ _____ _____ ___ \ \/ /___ _ __ |___ / |___ / / _ \ \ // _ \ '_ \ |_ \ |_ \| | | | / \ __/ | | | ___) | ___) | |_| | /_/\_\___|_| |_| |____(_)____(_)___/ (XEN) Xen version 3.3.0 (root@) (gcc version 4.1.2 20061115 (prerelease) (Debian 4.1.1-21)) Sat Oct 25 12:58:03 CEST 2008 (XEN) Latest ChangeSet: unavailable (XEN) Command line: console=vga max_loop=128 dom0_mem=512M iommu=1 vtd=1 (XEN) Video information: (XEN) VGA is text mode 80x25, font 8x16 (XEN) VBE/DDC methods: none; EDID transfer time: 0 seconds (XEN) EDID info not retrieved because no DDC retrieval method detected (XEN) Disc information: (XEN) Found 1 MBR signatures (XEN) Found 1 EDD information structures (XEN) Xen-e820 RAM map: (XEN) 0000000000000000 - 000000000009e000 (usable) (XEN) 000000000009e000 - 00000000000a0000 (reserved) (XEN) 00000000000ce000 - 00000000000d0000 (reserved) (XEN) 00000000000e0000 - 0000000000100000 (reserved) (XEN) 0000000000100000 - 00000000be4b0000 (usable) (XEN) 00000000be4b0000 - 00000000be4c9000 (ACPI data) (XEN) 00000000be4c9000 - 00000000be4cc000 (ACPI NVS) (XEN) 00000000be4cc000 - 00000000c0000000 (reserved) (XEN) 00000000e0000000 - 00000000f0000000 (reserved) (XEN) 00000000fec00000 - 00000000fec10000 (reserved) (XEN) 00000000fee00000 - 00000000fee01000 (reserved) (XEN) 00000000ff000000 - 0000000100000000 (reserved) (XEN) System RAM: 3044MB (3117368kB) (XEN) ACPI: RSDP 000F5E00, 0024 (r2 PTLTD ) (XEN) ACPI: XSDT BE4BD887, 00B4 (r1 LENOVO TC-2R 60400D0 LTP 0) (XEN) ACPI: TCPA BE4C8AD9, 0032 (r2 LENOVO TC-2R 60400D0 PTL 0) (XEN) ACPI: FACP BE4C8B0B, 00F4 (r3 INTEL 60400D0 PTL 3) (XEN) ACPI: DSDT BE4C0F80, 7AE5 (r1 INTEL BEARLAKE 60400D0 MSFT 100000E) (XEN) ACPI: FACS BE4CBFC0, 0040 (XEN) ACPI: DMAR BE4C8BFF, 0110 (r1 Intel OEMDMAR 60400D0 LOHR 1) (XEN) ACPI: SLIC BE4C8D0F, 0176 (r1 LENOVO TC-2R 60400D0 LTP 0) (XEN) ACPI: MCFG BE4C8E85, 003C (r1 PTLTD MCFG 60400D0 LTP 0) (XEN) ACPI: HPET BE4C8EC1, 0038 (r1 PTLTD HPETTBL 60400D0 LTP 1) (XEN) ACPI: APIC BE4C8EF9, 0068 (r1 PTLTD APIC 60400D0 LTP 0) (XEN) ACPI: BOOT BE4C8F61, 0028 (r1 PTLTD $SBFTBL$ 60400D0 LTP 1) (XEN) ACPI: ASF! BE4C8F89, 0077 (r16 CETP CETP 60400D0 PTL 1) (XEN) ACPI: SSDT BE4BF1CA, 025F (r1 PmRef Cpu0Tst 3000 INTL 20050228) (XEN) ACPI: SSDT BE4BF124, 00A6 (r1 PmRef Cpu7Tst 3000 INTL 20050228) (XEN) ACPI: SSDT BE4BF07E, 00A6 (r1 PmRef Cpu6Tst 3000 INTL 20050228) (XEN) ACPI: SSDT BE4BEFD8, 00A6 (r1 PmRef Cpu5Tst 3000 INTL 20050228) (XEN) ACPI: SSDT BE4BEF32, 00A6 (r1 PmRef Cpu4Tst 3000 INTL 20050228) (XEN) ACPI: SSDT BE4BEE8C, 00A6 (r1 PmRef Cpu3Tst 3000 INTL 20050228) (XEN) ACPI: SSDT BE4BEDE6, 00A6 (r1 PmRef Cpu2Tst 3000 INTL 20050228) (XEN) ACPI: SSDT BE4BED40, 00A6 (r1 PmRef Cpu1Tst 3000 INTL 20050228) (XEN) ACPI: SSDT BE4BD93B, 1405 (r1 PmRef CpuPm 3000 INTL 20050228) (XEN) Xen heap: 14MB (14688kB) (XEN) Domain heap initialised (XEN) Processor #0 6:15 APIC version 20 (XEN) Processor #1 6:15 APIC version 20 (XEN) IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-23 (XEN) Enabling APIC mode: Flat. Using 1 I/O APICs (XEN) Intel VT-d has been enabled (XEN) Using scheduler: SMP Credit Scheduler (credit) (XEN) Detected 2327.540 MHz processor. (XEN) HVM: VMX enabled (XEN) CPU0: Intel(R) Core(TM)2 Duo CPU E6550 @ 2.33GHz stepping 0b (XEN) Booting processor 1/1 eip 8c000 (XEN) CPU1: Intel(R) Core(TM)2 Duo CPU E6550 @ 2.33GHz stepping 0b (XEN) Total of 2 processors activated. (XEN) ENABLING IO-APIC IRQs (XEN) -> Using new ACK method (XEN) checking TSC synchronization across 2 CPUs: passed. (XEN) Platform timer is 14.318MHz HPET (XEN) Brought up 2 CPUs (XEN) I/O virtualisation enabled (XEN) I/O virtualisation for PV guests disabled (XEN) [VT-D]iommu.c:775: iommu_page_fault: iommu->reg = ffff828bfff57000 (XEN) [VT-D]iommu.c:744: iommu_fault_status: Fault Overflow (XEN) [VT-D]iommu.c:729: iommu_fault:DMA Write: 0:2.0 addr 200200000 REASON 5 iommu->reg = ffff828bfff57000 (XEN) print_vtd_entries: iommu = ffff8300bd6ad180 bdf = 0:2:0 gmfn = 200200 (XEN) root_entry = ffff8300bc9e0000 (XEN) root_entry[0] = b9cd6001 (XEN) context = ffff8300b9cd6000 (XEN) context[10] = 101_be4a6001 (XEN) l3 = ffff8300be4a6000 (XEN) l3_index = 8 (XEN) l3[8] = 0 (XEN) l3[8] not present (XEN) *** LOADING DOMAIN 0 *** (XEN) Xen kernel: 64-bit, lsb, compat32 (XEN) Dom0 kernel: 64-bit, lsb, paddr 0x200000 -> 0x52fecc (XEN) PHYSICAL MEMORY ARRANGEMENT: (XEN) Dom0 alloc.: 00000000b8000000->00000000b9000000 (126976 pages to be allocated) (XEN) VIRTUAL MEMORY ARRANGEMENT: (XEN) Loaded kernel: ffffffff80200000->ffffffff8052fecc (XEN) Init. ramdisk: ffffffff80530000->ffffffff80a98c00 (XEN) Phys-Mach map: ffffffff80a99000->ffffffff80b99000 (XEN) Start info: ffffffff80b99000->ffffffff80b994a4 (XEN) Page tables: ffffffff80b9a000->ffffffff80ba5000 (XEN) Boot stack: ffffffff80ba5000->ffffffff80ba6000 (XEN) TOTAL: ffffffff80000000->ffffffff81000000 (XEN) ENTRY ADDRESS: ffffffff80200000 (XEN) Dom0 has maximum 2 VCPUs (XEN) Scrubbing Free RAM: ........................done. (XEN) Xen trace buffers: disabled (XEN) Std. Loglevel: Errors and warnings (XEN) Guest Loglevel: Nothing (Rate-limited: Errors and warnings) (XEN) Xen is relinquishing VGA console. (XEN) *** Serial input -> DOM0 (type 'CTRL-a' three times to switch input to Xen) (XEN) Freed 108kB init memory. (XEN) domctl.c:635:d0 XEN_DOMCTL_test_assign_device: 1:0:0 already assigned, or non-existent (XEN) domctl.c:635:d0 XEN_DOMCTL_test_assign_device: 1:0:0 already assigned, or non-existent xm info host : xen64 release : 2.6.18.8-xen version : #2 SMP Sat Oct 25 12:57:40 CEST 2008 machine : x86_64 nr_cpus : 2 nr_nodes : 1 cores_per_socket : 2 threads_per_core : 1 cpu_mhz : 2327 hw_caps : bfebfbff:20100800:00000000:00000140:0000e3fd:00000000:00000001:00000000 virt_caps : hvm hvm_directio total_memory : 3044 free_memory : 2469 node_to_cpu : node0:0-1 node_to_memory : node0:2469 xen_major : 3 xen_minor : 3 xen_extra : .0 xen_caps : xen-3.0-x86_64 xen-3.0-x86_32p hvm-3.0-x86_32 hvm-3.0-x86_32p hvm-3.0-x86_64 xen_scheduler : credit xen_pagesize : 4096 platform_params : virt_start=0xffff800000000000 xen_changeset : unavailable cc_compiler : gcc version 4.1.2 20061115 (prerelease) (Debian 4.1.1-21) cc_compile_by : root cc_compile_domain : cc_compile_date : Sat Oct 25 12:58:03 CEST 2008 xend_config_format : 4 xm list Name ID Mem VCPUs State Time(s) Domain-0 0 512 2 r----- 7.7 Help is greatly appreciated -- Stefan _______________________________________________ Xen-users mailing list Xen-users@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-users

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