On Tue, Jul 23, 2019 at 10:50 AM Andrew Cooper <andrew.coop...@citrix.com> wrote: > > On 23/07/2019 18:48, Roman Shaposhnik wrote: > > On Tue, Jul 23, 2019 at 10:35 AM Andrew Cooper > > <andrew.coop...@citrix.com> wrote: > >> On 23/07/2019 18:32, Roman Shaposhnik wrote: > >>> Hi Roger! > >>> > >>> I applied your patch, removed no-igfx and I still see the original > >>> problem. Please let me know what other logs/debugs would you need at > >>> this point. > >> Please can you collect a full boot log with iommu=debug > > How long of an output should I expect when iommu=debug is enabled? > > I've just enabled it and I'm looking at what appears to be an endless > > scroll of debug info. > > > > This is all I see for the good 5 minutes at this point. Culminating with: > > (XEN) (XEN) APIC error on CPU0: 40(00) > > > > and a failure to boot. > > > > Note that this is still without no-igfx > > > > I'm attaching the tail end of this log. > > Sadly, what is useful is the head of the log, before it starts > complaining loudly about every DMA fault.
No worries. Take a look at the head of the log attached. Btw, I'm kind of curious why iommu=debug would actually make it crash Thanks, Roman.
0x0000:0x00:0x02.0x0: ROM: 0x10000 bytes at 0x8968d018 0x0000:0x02:0x00.0x0: ROM: 0x10000 bytes at 0x89640018 0x0000:0x00:0x1f.0x6: ROM: 0x10c00 bytes at 0x8962f018 Xen 4.12.0 (XEN) Xen version 4.12.0 (@) (gcc (Alpine 6.4.0) 6.4.0) debug=n Tue Jul 23 17:15:48 UTC 2019 (XEN) Latest ChangeSet: (XEN) Bootloader: GRUB 2.03 (XEN) Command line: com1=115200,8n1 console=com1,vga iommu=debug dom0_mem=1024M,max:1024M dom0_max_vcpus=1 dom0_vcpus_pin smt=false (XEN) Xen image load base address: 0x88000000 (XEN) Video information: (XEN) VGA is graphics mode 1680x1050, 32 bpp (XEN) Disc information: (XEN) Found 0 MBR signatures (XEN) Found 1 EDD information structures (XEN) EFI RAM map: (XEN) 0000000000000000 - 0000000000058000 (usable) (XEN) 0000000000058000 - 0000000000059000 (reserved) (XEN) 0000000000059000 - 000000000009f000 (usable) (XEN) 000000000009f000 - 00000000000a0000 (reserved) (XEN) 0000000000100000 - 000000008648a000 (usable) (XEN) 000000008648a000 - 000000008648b000 (ACPI NVS) (XEN) 000000008648b000 - 00000000864b5000 (reserved) (XEN) 00000000864b5000 - 000000008c224000 (usable) (XEN) 000000008c224000 - 000000008c528000 (reserved) (XEN) 000000008c528000 - 000000008c736000 (usable) (XEN) 000000008c736000 - 000000008cea7000 (ACPI NVS) (XEN) 000000008cea7000 - 000000008d2ff000 (reserved) (XEN) 000000008d2ff000 - 000000008d300000 (usable) (XEN) 000000008d300000 - 000000008d400000 (reserved) (XEN) 00000000e0000000 - 00000000f0000000 (reserved) (XEN) 00000000fe000000 - 00000000fe011000 (reserved) (XEN) 00000000fec00000 - 00000000fec01000 (reserved) (XEN) 00000000fee00000 - 00000000fee01000 (reserved) (XEN) 00000000ff000000 - 0000000100000000 (reserved) (XEN) 0000000100000000 - 000000016e000000 (usable) (XEN) ACPI: RSDP 8CE49000, 0024 (r2 ALASKA) (XEN) ACPI: XSDT 8CE490A8, 00CC (r1 ALASKA A M I 1072009 AMI 10013) (XEN) ACPI: FACP 8CE6C370, 010C (r5 ALASKA A M I 1072009 AMI 10013) (XEN) ACPI: DSDT 8CE49208, 23167 (r2 ALASKA A M I 1072009 INTL 20120913) (XEN) ACPI: FACS 8CE8EF80, 0040 (XEN) ACPI: APIC 8CE6C480, 0084 (r3 ALASKA A M I 1072009 AMI 10013) (XEN) ACPI: FPDT 8CE6C508, 0044 (r1 ALASKA A M I 1072009 AMI 10013) (XEN) ACPI: FIDT 8CE6C550, 009C (r1 ALASKA A M I 1072009 AMI 10013) (XEN) ACPI: MCFG 8CE6C5F0, 003C (r1 ALASKA A M I 1072009 MSFT 97) (XEN) ACPI: HPET 8CE6C630, 0038 (r1 ALASKA A M I 1072009 AMI. 5000B) (XEN) ACPI: LPIT 8CE6C668, 0094 (r1 INTEL SKL-ULT 0 MSFT 5F) (XEN) ACPI: SSDT 8CE6C700, 0248 (r2 INTEL sensrhub 0 INTL 20120913) (XEN) ACPI: SSDT 8CE6C948, 2BAE (r2 INTEL PtidDevc 1000 INTL 20120913) (XEN) ACPI: SSDT 8CE6F4F8, 0BE3 (r2 INTEL Ther_Rvp 1000 INTL 20120913) (XEN) ACPI: SSDT 8CE700E0, 04A3 (r2 INTEL zpodd 1000 INTL 20120913) (XEN) ACPI: DBGP 8CE70588, 0034 (r1 INTEL 0 MSFT 5F) (XEN) ACPI: DBG2 8CE705C0, 0054 (r0 INTEL 0 MSFT 5F) (XEN) ACPI: SSDT 8CE70618, 06E9 (r2 INTEL xh_rvp07 0 INTL 20120913) (XEN) ACPI: SSDT 8CE70D08, 547E (r2 SaSsdt SaSsdt 3000 INTL 20120913) (XEN) ACPI: UEFI 8CE76188, 0042 (r1 0 0) (XEN) ACPI: SSDT 8CE761D0, 0E73 (r2 CpuRef CpuSsdt 3000 INTL 20120913) (XEN) ACPI: BGRT 8CE77048, 0038 (r1 ALASKA A M I 1072009 AMI 10013) (XEN) ACPI: DMAR 8CE77080, 00A8 (r1 INTEL SKL 1 INTL 1) (XEN) ACPI: TPM2 8CE77128, 0034 (r3 Tpm2Tabl 1 AMI 0) (XEN) ACPI: ASF! 8CE77160, 00A5 (r32 INTEL HCG 1 TFSM F4240) (XEN) System RAM: 4003MB (4099736kB) (XEN) Domain heap initialised (XEN) ACPI: 32/64X FACS address mismatch in FADT - 8ce8ef80/0000000000000000, using 32 (XEN) IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119 (XEN) Enabling APIC mode: Flat. Using 1 I/O APICs (XEN) [VT-D]Host address width 39 (XEN) [VT-D]found ACPI_DMAR_DRHD: (XEN) [VT-D] dmaru->address = fed90000 (XEN) [VT-D]drhd->address = fed90000 iommu->reg = ffff82c0008de000 (XEN) [VT-D]cap = 1c0000c40660462 ecap = 7e3ff0505e (XEN) [VT-D] endpoint: 0000:00:02.0 (XEN) [VT-D]found ACPI_DMAR_DRHD: (XEN) [VT-D] dmaru->address = fed91000 (XEN) [VT-D]drhd->address = fed91000 iommu->reg = ffff82c0008e0000 (XEN) [VT-D]cap = d2008c40660462 ecap = f050da (XEN) [VT-D] IOAPIC: 0000:f0:1f.0 (XEN) [VT-D] MSI HPET: 0000:00:1f.0 (XEN) [VT-D] flags: INCLUDE_ALL (XEN) [VT-D]found ACPI_DMAR_RMRR: (XEN) [VT-D] endpoint: 0000:00:14.0 (XEN) [VT-D]found ACPI_DMAR_RMRR: (XEN) [VT-D] RMRR address range 8d800000..8fffffff not in reserved memory; need "iommu_inclusive_mapping=1"? (XEN) [VT-D] endpoint: 0000:00:02.0 (XEN) Switched to APIC driver x2apic_cluster. (XEN) xstate: size: 0x440 and states: 0x1f (XEN) Speculative mitigation facilities: (XEN) Hardware features: (XEN) Compiled-in support: SHADOW_PAGING (XEN) Xen settings: BTI-Thunk N/A, SPEC_CTRL: No, Other: (XEN) L1TF: believed vulnerable, maxphysaddr L1D 46, CPUID 39, Safe address 8000000000 (XEN) Support for HVM VMs: RSB EAGER_FPU (XEN) Support for PV VMs: RSB EAGER_FPU (XEN) XPTI (64-bit PV only): Dom0 enabled, DomU enabled (with PCID) (XEN) PV L1TF shadowing: Dom0 disabled, DomU enabled (XEN) Using scheduler: SMP Credit Scheduler rev2 (credit2) (XEN) Initializing Credit2 scheduler (XEN) Platform timer is 23.999MHz HPET (XEN) Detected 2496.140 MHz processor. (XEN) Initing memory sharing. (XEN) Intel VT-d iommu 0 supported page sizes: 4kB, 2MB, 1GB. (XEN) Intel VT-d iommu 1 supported page sizes: 4kB, 2MB, 1GB. (XEN) Intel VT-d Snoop Control not enabled. (XEN) Intel VT-d Dom0 DMA Passthrough not enabled. (XEN) Intel VT-d Queued Invalidation enabled. (XEN) Intel VT-d Interrupt Remapping enabled. (XEN) Intel VT-d Posted Interrupt not enabled. (XEN) Intel VT-d Shared EPT tables enabled. (XEN) I/O virtualisation enabled (XEN) - Dom0 mode: Relaxed (XEN) Interrupt remapping enabled (XEN) Enabled directed EOI with ioapic_ack_old on! (XEN) ENABLING IO-APIC IRQs (XEN) -> Using old ACK method (XEN) TSC_DEADLINE disabled due to Errata; please update microcode to version 0xb2 (or later) (XEN) Allocated console ring of 16 KiB. (XEN) mwait-idle: max C-state count of 8 reached (XEN) VMX: Supported advanced features: (XEN) - APIC MMIO access virtualisation (XEN) - APIC TPR shadow (XEN) - Extended Page Tables (EPT) (XEN) - Virtual-Processor Identifiers (VPID) (XEN) - Virtual NMI (XEN) - MSR direct-access bitmap (XEN) - Unrestricted Guest (XEN) - VMCS shadowing (XEN) - VM Functions (XEN) - Virtualisation Exceptions (XEN) - Page Modification Logging (XEN) HVM: ASIDs enabled. (XEN) HVM: VMX enabled (XEN) HVM: Hardware Assisted Paging (HAP) detected (XEN) HVM: HAP page sizes: 4kB, 2MB, 1GB (XEN) mwait-idle: max C-state count of 8 reached (XEN) mwait-idle: max C-state count of 8 reached (XEN) mwait-idle: max C-state count of 8 reached (XEN) Brought up 2 CPUs (XEN) Dom0 has maximum 312 PIRQs (XEN) Xen kernel: 64-bit, lsb, compat32 (XEN) Dom0 kernel: 64-bit, PAE, lsb, paddr 0x1000000 -> 0x2a2c000 (XEN) PHYSICAL MEMORY ARRANGEMENT: (XEN) Dom0 alloc.: 0000000164000000->0000000168000000 (245760 pages to be allocated) (XEN) VIRTUAL MEMORY ARRANGEMENT: (XEN) Loaded kernel: ffffffff81000000->ffffffff82a2c000 (XEN) Init. ramdisk: 0000000000000000->0000000000000000 (XEN) Phys-Mach map: 0000008000000000->0000008000200000 (XEN) Start info: ffffffff82a2c000->ffffffff82a2c4b4 (XEN) Xenstore ring: 0000000000000000->0000000000000000 (XEN) Console ring: 0000000000000000->0000000000000000 (XEN) Page tables: ffffffff82a2d000->ffffffff82a46000 (XEN) Boot stack: ffffffff82a46000->ffffffff82a47000 (XEN) TOTAL: ffffffff80000000->ffffffff82c00000 (XEN) ENTRY ADDRESS: ffffffff826af180 (XEN) Dom0 has maximum 1 VCPUs (XEN) [VT-D]d0:Hostbridge: skip 0000:00:00.0 map (XEN) Bogus DMIBAR 0xfed18001 on 0000:00:00.0 (XEN) [VT-D]d0:PCIe: map 0000:00:02.0 (XEN) [VT-D]d0:PCI: map 0000:00:08.0 (XEN) [VT-D]d0:PCI: map 0000:00:14.0 (XEN) [VT-D]d0:PCI: map 0000:00:14.2 (XEN) [VT-D]d0:PCI: map 0000:00:16.0 (XEN) [VT-D]d0:PCI: map 0000:00:17.0 (XEN) [VT-D]d0:PCI: map 0000:00:1f.0 (XEN) [VT-D]d0:PCI: map 0000:00:1f.2 (XEN) [VT-D]d0:PCI: map 0000:00:1f.3 (XEN) [VT-D]d0:PCI: map 0000:00:1f.4 (XEN) [VT-D]d0:PCI: map 0000:00:1f.6 (XEN) [VT-D]d0:PCIe: map 0000:01:00.0 (XEN) [VT-D]d0:PCIe: map 0000:02:00.0 (XEN) [VT-D]iommu_enable_translation: iommu->reg = ffff82c0008de000 (XEN) [VT-D]iommu_enable_translation: iommu->reg = ffff82c0008e0000 (XEN) Initial low memory virq threshold set at 0x4000 pages. (XEN) Scrubbing Free RAM in background (XEN) Std. Loglevel: Errors and warnings (XEN) Guest Loglevel: Nothing (Rate-limited: Errors and warnings) (XEN) Xen is relinquishing VGA console. (XEN) *** Serial input to DOM0 (type 'CTRL-a' three times to switch input) (XEN) Freed 480kB init memory (XEN) [VT-D]DMAR:[DMA Write] Request device [0000:00:02.0] fault addr 0, iommu reg = ffff82c0008de000 (XEN) [VT-D]DMAR: reason 01 - Present bit in root entry is clear (XEN) print_vtd_entries: iommu #0 dev 0000:00:02.0 gmfn 00000 (XEN) root_entry[00] = 16bcd3001 (XEN) context[10] = 2_16bcd2001 (XEN) l4[000] = 16bcd1003 (XEN) l3[000] = 16bcd0003 (XEN) l2[000] = 16bccf003 (XEN) l1[000] = 3 (XEN) [VT-D]INTR-REMAP: Request device [0000:f0:1f.0] fault index 0, iommu reg = ffff82c0008e0000 (XEN) [VT-D]INTR-REMAP: reason 22 - Present field in the IRTE entry is clear mapping kernel into physical memory about to get started... (XEN) [VT-D]DMAR:[DMA Read] Request device [0000:00:02.0] fault addr 8e2c7000, iommu reg = ffff82c0008de000 (XEN) [VT-D]DMAR: reason 06 - PTE Read access is not set (XEN) print_vtd_entries: iommu #0 dev 0000:00:02.0 gmfn 8e2c7 (XEN) root_entry[00] = 16bcd3001 (XEN) context[10] = 2_16bcd2001 (XEN) l4[000] = 16bcd1003 (XEN) l3[002] = 1628cb003 (XEN) l2[071] = 0 (XEN) l2[071] not present (XEN) [VT-D]DMAR:[DMA Read] Request device [0000:00:02.0] fault addr 8e2fd000, iommu reg = ffff82c0008de000 (XEN) [VT-D]DMAR: reason 06 - PTE Read access is not set (XEN) print_vtd_entries: iommu #0 dev 0000:00:02.0 gmfn 8e2fd (XEN) root_entry[00] = 16bcd3001 (XEN) context[10] = 2_16bcd2001 (XEN) l4[000] = 16bcd1003 (XEN) l3[002] = 1628cb003 (XEN) l2[071] = 0 (XEN) l2[071] not present (XEN) [VT-D]DMAR:[DMA Read] Request device [0000:00:02.0] fault addr 8e332000, iommu reg = ffff82c0008de000 (XEN) [VT-D]DMAR: reason 06 - PTE Read access is not set (XEN) print_vtd_entries: iommu #0 dev 0000:00:02.0 gmfn 8e332 (XEN) root_entry[00] = 16bcd3001
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