Hi,
I tried xen-unstable from last week with iommu=1 and xen hangs during boot.
Xen found 3 drhd structures. After enabling the translation for drhd
structure 3 in iommu_enable_translation() line
dmar_writel(iommu->reg, DMAR_GCMD_REG, sts | DMA_GCMD_TE);
it hangs forever.
Attached is the output of the serial console.
I hope anyone understanding this better than me can give me a hint ;-).
Thanks.
Dietmar
(XEN) Xen version 3.5-unstable (hahn@xxxxxxxxxxx) (gcc version 4.4.1
[gcc-4_4-branch revision 150839] (SUSE Linux) ) Wed Dec 2 15:08:17 CET 2009
(XEN) Latest ChangeSet: Tue Nov 24 14:43:07 2009 +0000 20491:d44371e6e5d6
(XEN) Console output is synchronous.
(XEN) Command line: iommu=1 console=com1 com1=38400,8n1 sync_console debug=yes
loglvl=all guest_loglvl=all
(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 - 000000000009c400 (usable)
(XEN) 000000000009c400 - 00000000000a0000 (reserved)
(XEN) 00000000000dc000 - 0000000000100000 (reserved)
(XEN) 0000000000100000 - 00000000bf8b1000 (usable)
(XEN) 00000000bf8b1000 - 00000000bf8b7000 (reserved)
(XEN) 00000000bf8b7000 - 00000000bf9b4000 (usable)
(XEN) 00000000bf9b4000 - 00000000bfa0f000 (reserved)
(XEN) 00000000bfa0f000 - 00000000bfb08000 (usable)
(XEN) 00000000bfb08000 - 00000000bfd0f000 (reserved)
(XEN) 00000000bfd0f000 - 00000000bfd18000 (usable)
(XEN) 00000000bfd18000 - 00000000bfd1f000 (reserved)
(XEN) 00000000bfd1f000 - 00000000bfd53000 (usable)
(XEN) 00000000bfd53000 - 00000000bfd9f000 (ACPI NVS)
(XEN) 00000000bfd9f000 - 00000000bfdcc000 (usable)
(XEN) 00000000bfdcc000 - 00000000bfdfd000 (ACPI data)
(XEN) 00000000bfdfd000 - 00000000bfe00000 (usable)
(XEN) 0000000100000000 - 000000023c000000 (usable)
(XEN) ACPI: RSDP 000F6230, 0024 (r2 PTLTD )
(XEN) ACPI: XSDT BFDEFEBD, 008C (r1 FSC PC 6040000 LTP 0)
(XEN) ACPI: FACP BFDD0000, 00F4 (r3 INTEL CRESTLNE 6040000 ALAN 1)
(XEN) ACPI: DSDT BFDD1000, CC0A (r2 IEC Z118M4A 6040000 INTL 20050624)
(XEN) ACPI: FACS BFD8EFC0, 0040
(XEN) ACPI: HPET BFDFCCD3, 0038 (r1 INTEL CRESTLNE 6040000 LOHR 5A)
(XEN) ACPI: MCFG BFDFCD0B, 003C (r1 INTEL CRESTLNE 6040000 LOHR 5A)
(XEN) ACPI: SLIC BFDFCD47, 0176 (r1 FSC PC 6040000 PTL_ 0)
(XEN) ACPI: APIC BFDFCEBD, 0068 (r1 PTLTD APIC 6040000 LTP 0)
(XEN) ACPI: BOOT BFDFCF25, 0028 (r1 PTLTD $SBFTBL$ 6040000 LTP 1)
(XEN) ACPI: SPCR BFDFCF4D, 0050 (r1 PTLTD $UCRTBL$ 6040000 PTL 1)
(XEN) ACPI: ASF! BFDFCF9D, 0063 (r16 CETP CETP 6040000 PTL 1)
(XEN) ACPI: TCPA BFDDF000, 0032 (r0 0 0)
(XEN) ACPI: DMAR BFDDE000, 00D8 (r1 1 0)
(XEN) ACPI: SSDT BFDCF000, 0655 (r1 PmRef CpuPm 3000 INTL 20050624)
(XEN) ACPI: SSDT BFDCE000, 0259 (r1 PmRef Cpu0Tst 3000 INTL 20050624)
(XEN) ACPI: SSDT BFDCD000, 020F (r1 PmRef ApTst 3000 INTL 20050624)
(XEN) System RAM: 8086MB (8280272kB)
(XEN) NUMA turned off
(XEN) Faking a node at 0000000000000000-000000023c000000
(XEN) Domain heap initialised
(XEN) found SMP MP-table at 000f6300
(XEN) DMI present.
(XEN) Using APIC driver default
(XEN) ACPI: PM-Timer IO Port: 0x408
(XEN) ACPI: ACPI SLEEP INFO: pm1x_cnt[404,0], pm1x_evt[400,0]
(XEN) ACPI: wakeup_vec[bfd8efcc], vec_size[20]
(XEN) ACPI: Local APIC address 0xfee00000
(XEN) ACPI: LAPIC (acpi_id[0x00] lapic_id[0x00] enabled)
(XEN) Processor #0 7:7 APIC version 20
(XEN) ACPI: LAPIC (acpi_id[0x01] lapic_id[0x01] enabled)
(XEN) Processor #1 7:7 APIC version 20
(XEN) ACPI: LAPIC_NMI (acpi_id[0x00] high edge lint[0x1])
(XEN) ACPI: LAPIC_NMI (acpi_id[0x01] high edge lint[0x1])
(XEN) ACPI: IOAPIC (id[0x02] address[0xfec00000] gsi_base[0])
(XEN) IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-23
(XEN) ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 high edge)
(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: 0x8086a201 base: 0xfed00000
(XEN) [VT-D]dmar.c:535: Host address width 36
(XEN) [VT-D]dmar.c:544: found ACPI_DMAR_DRHD
(XEN) [VT-D]dmar.c:374: dmaru->address = feb03000
(XEN) [VT-D]dmar.c:326: endpoint: 0:1b.0
(XEN) [VT-D]dmar.c:544: found ACPI_DMAR_DRHD
(XEN) [VT-D]dmar.c:374: dmaru->address = feb00000
(XEN) [VT-D]dmar.c:326: endpoint: 0:3.0
(XEN) [VT-D]dmar.c:326: endpoint: 0:3.2
(XEN) [VT-D]dmar.c:326: endpoint: 0:3.3
(XEN) [VT-D]dmar.c:544: found ACPI_DMAR_DRHD
(XEN) [VT-D]dmar.c:374: dmaru->address = feb02000
(XEN) [VT-D]dmar.c:386: found INCLUDE_ALL
(XEN) [VT-D]dmar.c:548: found ACPI_DMAR_RMRR
(XEN) [VT-D]dmar.c:429: RMRR address range not in reserved memory base =
fe326c00 end = fe3273ff; iommu_inclusive_mapping=1 parameter may be needed.
(XEN) [VT-D]dmar.c:326: endpoint: 0:1d.0
(XEN) [VT-D]dmar.c:326: endpoint: 0:1d.1
(XEN) [VT-D]dmar.c:326: endpoint: 0:1d.2
(XEN) [VT-D]dmar.c:326: endpoint: 0:1d.7
(XEN) [VT-D]dmar.c:326: endpoint: 0:1a.0
(XEN) [VT-D]dmar.c:326: endpoint: 0:1a.1
(XEN) [VT-D]dmar.c:326: endpoint: 0:1a.2
(XEN) [VT-D]dmar.c:326: endpoint: 0:1a.7
(XEN) PCI: MCFG configuration 0: base e0000000 segment 0 buses 0 - 255
(XEN) PCI: Not using MMCONFIG.
(XEN) Using ACPI (MADT) for SMP configuration information
(XEN) Using scheduler: SMP Credit Scheduler (credit)
(XEN) Initializing CPU#0
(XEN) Detected 2793.072 MHz processor.
(XEN) CPU: L1 I cache: 32K, L1 D cache: 32K
(XEN) CPU: L2 cache: 6144K
(XEN) CPU: Physical Processor ID: 0
(XEN) CPU: Processor Core ID: 0
(XEN) VMX: Supported advanced features:
(XEN) - APIC MMIO access virtualisation
(XEN) - APIC TPR shadow
(XEN) - Virtual NMI
(XEN) - MSR direct-access bitmap
(XEN) HVM: VMX enabled
(XEN) xsave_init: cpu0: cntxt_max_size: 0x240 and states: 00000000:00000003
(XEN) xsave_init: using cntxt_size: 0x240 and states: 00000000:00000003
(XEN) Intel machine check reporting enabled on CPU#0.
(XEN) CPU0: Thermal monitoring enabled (TM2)
(XEN) CMCI: CPU0 has no CMCI support
(XEN) [VT-D]iommu.c:1774: DMAR: Forcing write-buffer flush
(XEN) [VT-D]iommu.c:1016: drhd->address = feb00000
(XEN) [VT-D]iommu.c:1017: iommu->reg = ffff82c3fff57000
(XEN) [VT-D]iommu.c:1016: drhd->address = feb03000
(XEN) [VT-D]iommu.c:1017: iommu->reg = ffff82c3fff56000
(XEN) [VT-D]iommu.c:1016: drhd->address = feb02000
(XEN) [VT-D]iommu.c:1017: iommu->reg = ffff82c3fff55000
(XEN) Intel VT-d Snoop Control not supported.
(XEN) Intel VT-d DMA Passthrough not supported.
(XEN) Intel VT-d Queued Invalidation not supported.
(XEN) Intel VT-d Interrupt Remapping not supported.
(XEN) I/O virtualisation enabled
(XEN) I/O virtualisation for PV guests disabled
(XEN) CPU0: Intel(R) Core(TM)2 Duo CPU T9600 @ 2.80GHz stepping 0a
(XEN) Booting processor 1/1 eip 8c000
(XEN) Initializing CPU#1
(XEN) CPU: L1 I cache: 32K, L1 D cache: 32K
(XEN) CPU: L2 cache: 6144K
(XEN) CPU: Physical Processor ID: 0
(XEN) CPU: Processor Core ID: 1
(XEN) xsave_init: cpu1: cntxt_max_size: 0x240 and states: 00000000:00000003
(XEN) Intel machine check reporting enabled on CPU#1.
(XEN) CPU1: Thermal monitoring enabled (TM2)
(XEN) CMCI: CPU1 has no CMCI support
(XEN) CPU1: Intel(R) Core(TM)2 Duo CPU T9600 @ 2.80GHz stepping 0a
(XEN) Total of 2 processors activated.
(XEN) ENABLING IO-APIC IRQs
(XEN) -> Using new ACK method
(XEN) ..TIMER: vector=0xF0 apic1=0 pin1=2 apic2=-1 pin2=-1
(XEN) checking TSC synchronization across 2 CPUs: passed.
(XEN) Platform timer is 14.318MHz HPET
(XEN) Brought up 2 CPUs
(XEN) microcode.c:73:d32767 microcode: CPU1 resumed
(XEN) HPET: 4 timers in total, 0 timers will be used for broadcast
(XEN) ACPI sleep modes: S3
(XEN) mcheck_poll: Machine check polling timer started.
(XEN) [VT-D]iommu.c:1254:d32767 domain_context_mapping:PCI: bdf = 0:0.0
(XEN) [VT-D]mmconfig-shared.c:460: next cap:0:0.0: no extended config
(XEN) [VT-D]mmconfig-shared.c:460: next cap:0:1.0: no extended config
(XEN) [VT-D]iommu.c:1254:d32767 domain_context_mapping:PCI: bdf = 0:3.0
(XEN) [VT-D]mmconfig-shared.c:460: next cap:0:3.0: no extended config
(XEN) [VT-D]iommu.c:1254:d32767 domain_context_mapping:PCI: bdf = 0:3.2
(XEN) [VT-D]mmconfig-shared.c:460: next cap:0:3.2: no extended config
(XEN) [VT-D]iommu.c:1254:d32767 domain_context_mapping:PCI: bdf = 0:3.3
(XEN) [VT-D]mmconfig-shared.c:460: next cap:0:3.3: no extended config
(XEN) [VT-D]iommu.c:1254:d32767 domain_context_mapping:PCI: bdf = 0:19.0
(XEN) [VT-D]mmconfig-shared.c:460: next cap:0:19.0: no extended config
(XEN) [VT-D]iommu.c:1254:d32767 domain_context_mapping:PCI: bdf = 0:1a.0
(XEN) [VT-D]mmconfig-shared.c:460: next cap:0:1a.0: no extended config
(XEN) [VT-D]iommu.c:1254:d32767 domain_context_mapping:PCI: bdf = 0:1a.1
(XEN) [VT-D]mmconfig-shared.c:460: next cap:0:1a.1: no extended config
(XEN) [VT-D]iommu.c:1254:d32767 domain_context_mapping:PCI: bdf = 0:1a.2
(XEN) [VT-D]mmconfig-shared.c:460: next cap:0:1a.2: no extended config
(XEN) [VT-D]iommu.c:1254:d32767 domain_context_mapping:PCI: bdf = 0:1a.7
(XEN) [VT-D]mmconfig-shared.c:460: next cap:0:1a.7: no extended config
(XEN) [VT-D]iommu.c:1247:d32767 domain_context_mapping:PCIe: bdf = 0:1b.0
(XEN) [VT-D]mmconfig-shared.c:460: next cap:0:1b.0: no extended config
(XEN) [VT-D]mmconfig-shared.c:460: next cap:0:1c.0: no extended config
(XEN) [VT-D]mmconfig-shared.c:460: next cap:0:1c.1: no extended config
(XEN) [VT-D]mmconfig-shared.c:460: next cap:0:1c.2: no extended config
(XEN) [VT-D]iommu.c:1254:d32767 domain_context_mapping:PCI: bdf = 0:1d.0
(XEN) [VT-D]mmconfig-shared.c:460: next cap:0:1d.0: no extended config
(XEN) [VT-D]iommu.c:1254:d32767 domain_context_mapping:PCI: bdf = 0:1d.1
(XEN) [VT-D]mmconfig-shared.c:460: next cap:0:1d.1: no extended config
(XEN) [VT-D]iommu.c:1254:d32767 domain_context_mapping:PCI: bdf = 0:1d.2
(XEN) [VT-D]mmconfig-shared.c:460: next cap:0:1d.2: no extended config
(XEN) [VT-D]iommu.c:1254:d32767 domain_context_mapping:PCI: bdf = 0:1d.7
(XEN) [VT-D]mmconfig-shared.c:460: next cap:0:1d.7: no extended config
(XEN) [VT-D]mmconfig-shared.c:460: next cap:0:1e.0: no extended config
(XEN) [VT-D]iommu.c:1254:d32767 domain_context_mapping:PCI: bdf = 0:1f.0
(XEN) [VT-D]mmconfig-shared.c:460: next cap:0:1f.0: no extended config
(XEN) [VT-D]iommu.c:1254:d32767 domain_context_mapping:PCI: bdf = 0:1f.2
(XEN) [VT-D]mmconfig-shared.c:460: next cap:0:1f.2: no extended config
(XEN) [VT-D]iommu.c:1254:d32767 domain_context_mapping:PCI: bdf = 0:1f.3
(XEN) [VT-D]mmconfig-shared.c:460: next cap:0:1f.3: no extended config
(XEN) [VT-D]iommu.c:1247:d32767 domain_context_mapping:PCIe: bdf = 1:0.0
(XEN) [VT-D]mmconfig-shared.c:460: next cap:1:0.0: no extended config
(XEN) [VT-D]iommu.c:1247:d32767 domain_context_mapping:PCIe: bdf = 5:0.0
(XEN) [VT-D]mmconfig-shared.c:460: next cap:5:0.0: no extended config
(XEN) [VT-D]iommu.c:1247:d32767 domain_context_mapping:PCIe: bdf = 8:0.0
(XEN) [VT-D]mmconfig-shared.c:460: next cap:8:0.0: no extended config
(XEN) [VT-D]iommu.c:1254:d32767 domain_context_mapping:PCI: bdf = 11:6.0
(XEN) [VT-D]mmconfig-shared.c:460: next cap:11:6.0: no extended config
(XEN) [VT-D]iommu.c:1254:d32767 domain_context_mapping:PCI: bdf = 0:1d.0
(XEN) [VT-D]iommu.c:1254:d32767 domain_context_mapping:PCI: bdf = 0:1d.1
(XEN) [VT-D]iommu.c:1254:d32767 domain_context_mapping:PCI: bdf = 0:1d.2
(XEN) [VT-D]iommu.c:1254:d32767 domain_context_mapping:PCI: bdf = 0:1d.7
(XEN) [VT-D]iommu.c:1254:d32767 domain_context_mapping:PCI: bdf = 0:1a.0
(XEN) [VT-D]iommu.c:1254:d32767 domain_context_mapping:PCI: bdf = 0:1a.1
(XEN) [VT-D]iommu.c:1254:d32767 domain_context_mapping:PCI: bdf = 0:1a.2
(XEN) [VT-D]iommu.c:1254:d32767 domain_context_mapping:PCI: bdf = 0:1a.7
(XEN) [VT-D]iommu.c:638: iommu_enable_translation: iommu->reg = ffff82c3fff57000
(XEN) [VT-D]iommu.c:638: iommu_enable_translation: iommu->reg = ffff82c3fff56000
(XEN) [VT-D]iommu.c:638: iommu_enable_translation: iommu->reg = ffff82c3fff55000
--
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