Hi all, I'm having some strange issues with Xen 4.8 when I try to boot with iommu disabled.
(XEN) Xen version 4.8.0 (root@lan) (gcc (Debian 5.4.1-4) 5.4.1 20161202) debug=n Tue Feb 14 15:32:55 MST 2017 (XEN) Latest ChangeSet: (XEN) Bootloader: GRUB 2.02~beta3-4 (XEN) Command line: placeholder dom0_mem=4096M,max:4096M dom0_max_vcpus=4 dom0_vcpus_pin=true hap_1gb=false hap_2mb=false altp2m=1 com1=115200,8n1,amt loglvl=all guest_loglvl=all console=com1 flask_enforcing=1 iommu=0 (XEN) Video information: (XEN) VGA is text mode 80x25, font 8x16 (XEN) VBE/DDC methods: V2; EDID transfer time: 1 seconds (XEN) Disc information: (XEN) Found 3 MBR signatures (XEN) Found 3 EDD information structures (XEN) Xen-e820 RAM map: (XEN) 0000000000000000 - 000000000008f000 (usable) (XEN) 000000000008f000 - 00000000000a0000 (reserved) (XEN) 00000000000e0000 - 0000000000100000 (reserved) (XEN) 0000000000100000 - 0000000020000000 (usable) (XEN) 0000000020000000 - 0000000020200000 (reserved) (XEN) 0000000020200000 - 0000000040000000 (usable) (XEN) 0000000040000000 - 0000000040200000 (reserved) (XEN) 0000000040200000 - 000000007a556000 (usable) (XEN) 000000007a556000 - 000000007a5a5000 (ACPI NVS) (XEN) 000000007a5a5000 - 000000007a5ae000 (ACPI data) (XEN) 000000007a5ae000 - 000000007a6a1000 (reserved) (XEN) 000000007a6a1000 - 000000007a6a3000 (usable) (XEN) 000000007a6a3000 - 000000007a8c2000 (reserved) (XEN) 000000007a8c2000 - 000000007a8c3000 (usable) (XEN) 000000007a8c3000 - 000000007a8d3000 (reserved) (XEN) 000000007a8d3000 - 000000007a8f1000 (ACPI NVS) (XEN) 000000007a8f1000 - 000000007a915000 (reserved) (XEN) 000000007a915000 - 000000007a958000 (ACPI NVS) (XEN) 000000007a958000 - 000000007ab78000 (reserved) (XEN) 000000007ab78000 - 000000007ad00000 (usable) (XEN) 000000007ad00000 - 000000007b000000 (reserved) (XEN) 000000007b800000 - 000000007fa00000 (reserved) (XEN) 00000000fed1c000 - 00000000fed40000 (reserved) (XEN) 00000000ff000000 - 0000000100000000 (reserved) (XEN) 0000000100000000 - 000000047e600000 (usable) (XEN) ACPI: RSDP 000F0450, 0024 (r2 INTEL) (XEN) ACPI: XSDT 7A5A5070, 0064 (r1 INTEL DQ67SW 1072009 AMI 10013) (XEN) ACPI: FACP 7A5ACB50, 00F4 (r4 INTEL DQ67SW 1072009 AMI 10013) (XEN) ACPI: DSDT 7A5A5168, 79E1 (r2 INTEL DQ67SW 16 INTL 20051117) (XEN) ACPI: FACS 7A8D7F80, 0040 (XEN) ACPI: APIC 7A5ACC48, 0092 (r3 INTEL DQ67SW 1072009 AMI 10013) (XEN) ACPI: TCPA 7A5ACCE0, 0032 (r2 INTEL DQ67SW 1 MSFT 1000013) (XEN) ACPI: SSDT 7A5ACD18, 01D6 (r1 INTEL DQ67SW 1 MSFT 3000001) (XEN) ACPI: MCFG 7A5ACEF0, 003C (r1 INTEL DQ67SW 1072009 MSFT 97) (XEN) ACPI: HPET 7A5ACF30, 0038 (r1 INTEL DQ67SW 1072009 AMI. 4) (XEN) ACPI: ASF! 7A5ACF68, 00A0 (r32 INTEL DQ67SW 1 TFSM F4240) (XEN) ACPI: DMAR 7A5AD008, 00E8 (r1 INTEL DQ67SW 1 INTL 1) (XEN) System RAM: 16264MB (16654784kB) (XEN) No NUMA configuration found (XEN) Faking a node at 0000000000000000-000000047e600000 (XEN) Domain heap initialised (XEN) CPU Vendor: Intel, Family 6 (0x6), Model 42 (0x2a), Stepping 7 (raw 000206a7) (XEN) found SMP MP-table at 000fda00 (XEN) DMI 2.6 present. (XEN) Using APIC driver default (XEN) ACPI: PM-Timer IO Port: 0x408 (32 bits) (XEN) ACPI: SLEEP INFO: pm1x_cnt[1:404,1:0], pm1x_evt[1:400,1:0] (XEN) ACPI: 32/64X FACS address mismatch in FADT - 7a8d7f80/0000000000000000, using 32 (XEN) ACPI: wakeup_vec[7a8d7f8c], vec_size[20] (XEN) ACPI: Local APIC address 0xfee00000 (XEN) ACPI: LAPIC (acpi_id[0x01] lapic_id[0x00] enabled) (XEN) ACPI: LAPIC (acpi_id[0x02] lapic_id[0x02] enabled) (XEN) ACPI: LAPIC (acpi_id[0x03] lapic_id[0x04] enabled) (XEN) ACPI: LAPIC (acpi_id[0x04] lapic_id[0x06] enabled) (XEN) ACPI: LAPIC (acpi_id[0x05] lapic_id[0x01] enabled) (XEN) ACPI: LAPIC (acpi_id[0x06] lapic_id[0x03] enabled) (XEN) ACPI: LAPIC (acpi_id[0x07] lapic_id[0x05] enabled) (XEN) ACPI: LAPIC (acpi_id[0x08] lapic_id[0x07] enabled) (XEN) ACPI: LAPIC_NMI (acpi_id[0xff] high edge lint[0x1]) (XEN) ACPI: IOAPIC (id[0x00] address[0xfec00000] gsi_base[0]) (XEN) IOAPIC[0]: apic_id 0, version 32, address 0xfec00000, GSI 0-23 (XEN) ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) (XEN) ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) (XEN) ACPI: IRQ0 used by override. (XEN) ACPI: IRQ2 used by override. (XEN) ACPI: IRQ9 used by override. (XEN) Enabling APIC mode: Flat. Using 1 I/O APICs (XEN) ACPI: HPET id: 0x8086a701 base: 0xfed00000 (XEN) ERST table was not found (XEN) Using ACPI (MADT) for SMP configuration information (XEN) SMP: Allowing 8 CPUs (0 hotplug CPUs) (XEN) IRQ limits: 24 GSI, 1528 MSI/MSI-X (XEN) Switched to APIC driver x2apic_cluster. (XEN) XSM Framework v1.0.0 initialized (XEN) Flask: 128 avtab hash slots, 394 rules. (XEN) Flask: 128 avtab hash slots, 394 rules. (XEN) Flask: 5 users, 3 roles, 43 types, 2 bools (XEN) Flask: 12 classes, 394 rules (XEN) Flask: Starting in enforcing mode. (XEN) xstate: size: 0x340 and states: 0x7 (XEN) Intel machine check reporting enabled (XEN) Using scheduler: SMP Credit Scheduler (credit) (XEN) Platform timer is 14.318MHz HPET (XEN) Detected 3392.326 MHz processor. (XEN) Initing memory sharing. (XEN) alt table ffff82d0802d3f38 -> ffff82d0802d5564 (XEN) PCI: MCFG configuration 0: base e0000000 segment 0000 buses 00 - 3f (XEN) PCI: Not using MCFG for segment 0000 bus 00-3f (XEN) (XEN) **************************************** (XEN) Panic on CPU 0: (XEN) Couldn't enable IOMMU and iommu=required/force (XEN) **************************************** (XEN) (XEN) Reboot in five seconds... (XEN) Resetting with ACPI MEMORY or I/O RESET_REG. As seen in the command line iommu is not set to required or forced. Yet Xen thinks it is set to required/force. Has anyone else run into this issue? Tamas _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org https://lists.xen.org/xen-devel
