I have applied your patch to 4.7.0-rc3 mainline kernel and the machine
successfully boots with intel_iommu=on. Thank you so much for your time and
effort.
Please find the attached dmesg of successful boot with iommu enabled.
[ 0.000000] Linux version 4.7.0-rc3-8d8a5ff (dhiru1602@ScaRage) (gcc
version 6.1.1 20160602 (GCC) ) #1 SMP PREEMPT Thu Jun 16 19:37:34 GST 2016
[ 0.000000] Command line: BOOT_IMAGE=/boot/vmlinuz-linux-git
root=UUID=80dfd13f-1755-4c83-b110-84282a777964 rw quiet intel_iommu=on
[ 0.000000] x86/fpu: Legacy x87 FPU detected.
[ 0.000000] x86/fpu: Using 'eager' FPU context switches.
[ 0.000000] e820: BIOS-provided physical RAM map:
[ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x000000000009cfff] usable
[ 0.000000] BIOS-e820: [mem 0x000000000009d000-0x000000000009ffff]
reserved
[ 0.000000] BIOS-e820: [mem 0x00000000000e0000-0x00000000000fffff]
reserved
[ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x00000000bf77ffff] usable
[ 0.000000] BIOS-e820: [mem 0x00000000bf780000-0x00000000bf78dfff] ACPI
data
[ 0.000000] BIOS-e820: [mem 0x00000000bf78e000-0x00000000bf7cffff] ACPI
NVS
[ 0.000000] BIOS-e820: [mem 0x00000000bf7d0000-0x00000000bf7dffff]
reserved
[ 0.000000] BIOS-e820: [mem 0x00000000bf7e8000-0x00000000bfffffff]
reserved
[ 0.000000] BIOS-e820: [mem 0x00000000fee00000-0x00000000fee00fff]
reserved
[ 0.000000] BIOS-e820: [mem 0x00000000ffc00000-0x00000000ffffffff]
reserved
[ 0.000000] BIOS-e820: [mem 0x0000000100000000-0x000000043fffffff] usable
[ 0.000000] NX (Execute Disable) protection: active
[ 0.000000] SMBIOS 2.6 present.
[ 0.000000] DMI: MSI MS-7666/Big Bang-XPower (MS-7666), BIOS V1.7
07/27/2012
[ 0.000000] e820: update [mem 0x00000000-0x00000fff] usable ==> reserved
[ 0.000000] e820: remove [mem 0x000a0000-0x000fffff] usable
[ 0.000000] e820: last_pfn = 0x440000 max_arch_pfn = 0x400000000
[ 0.000000] MTRR default type: uncachable
[ 0.000000] MTRR fixed ranges enabled:
[ 0.000000] 00000-9FFFF write-back
[ 0.000000] A0000-BFFFF uncachable
[ 0.000000] C0000-D3FFF write-protect
[ 0.000000] D4000-DFFFF uncachable
[ 0.000000] E0000-E3FFF write-protect
[ 0.000000] E4000-EFFFF write-through
[ 0.000000] F0000-FFFFF write-protect
[ 0.000000] MTRR variable ranges enabled:
[ 0.000000] 0 base 0000000000 mask FC00000000 write-back
[ 0.000000] 1 base 0400000000 mask FFC0000000 write-back
[ 0.000000] 2 base 00C0000000 mask FFC0000000 uncachable
[ 0.000000] 3 base 00BF800000 mask FFFF800000 uncachable
[ 0.000000] 4 disabled
[ 0.000000] 5 disabled
[ 0.000000] 6 disabled
[ 0.000000] 7 disabled
[ 0.000000] 8 disabled
[ 0.000000] 9 disabled
[ 0.000000] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WC UC- WT
[ 0.000000] e820: update [mem 0xbf800000-0xffffffff] usable ==> reserved
[ 0.000000] e820: last_pfn = 0xbf780 max_arch_pfn = 0x400000000
[ 0.000000] found SMP MP-table at [mem 0x000ff780-0x000ff78f] mapped at
[ffff8800000ff780]
[ 0.000000] Scanning 1 areas for low memory corruption
[ 0.000000] Base memory trampoline at [ffff880000097000] 97000 size 24576
[ 0.000000] Using GB pages for direct mapping
[ 0.000000] BRK [0x01b58000, 0x01b58fff] PGTABLE
[ 0.000000] BRK [0x01b59000, 0x01b59fff] PGTABLE
[ 0.000000] BRK [0x01b5a000, 0x01b5afff] PGTABLE
[ 0.000000] RAMDISK: [mem 0x3779e000-0x37bc6fff]
[ 0.000000] ACPI: Early table checksum verification disabled
[ 0.000000] ACPI: RSDP 0x00000000000FA5A0 000014 (v00 ACPIAM)
[ 0.000000] ACPI: RSDT 0x00000000BF780000 000040 (v01 7666MS A7666100
20120727 MSFT 00000097)
[ 0.000000] ACPI: FACP 0x00000000BF780200 000084 (v01 7666MS A7666100
20120727 MSFT 00000097)
[ 0.000000] ACPI: DSDT 0x00000000BF780600 006CF8 (v01 A7666 A7666100
00000100 INTL 20051117)
[ 0.000000] ACPI: FACS 0x00000000BF78E000 000040
[ 0.000000] ACPI: APIC 0x00000000BF780390 0000AC (v01 7666MS A7666100
20120727 MSFT 00000097)
[ 0.000000] ACPI: MCFG 0x00000000BF780440 00003C (v01 7666MS OEMMCFG
20120727 MSFT 00000097)
[ 0.000000] ACPI: OEMB 0x00000000BF78E040 000082 (v01 7666MS A7666100
20120727 MSFT 00000097)
[ 0.000000] ACPI: DMAR 0x00000000BF78E0D0 000150 (v01 AMI OEMDMAR
00000001 MSFT 00000097)
[ 0.000000] ACPI: HPET 0x00000000BF78A600 000038 (v01 7666MS OEMHPET
20120727 MSFT 00000097)
[ 0.000000] ACPI: SSDT 0x00000000BF790F40 000363 (v01 DpgPmm CpuPm
00000012 INTL 20051117)
[ 0.000000] ACPI: Local APIC address 0xfee00000
[ 0.000000] No NUMA configuration found
[ 0.000000] Faking a node at [mem 0x0000000000000000-0x000000043fffffff]
[ 0.000000] NODE_DATA(0) allocated [mem 0x43fffa000-0x43fffdfff]
[ 0.000000] Zone ranges:
[ 0.000000] DMA [mem 0x0000000000001000-0x0000000000ffffff]
[ 0.000000] DMA32 [mem 0x0000000001000000-0x00000000ffffffff]
[ 0.000000] Normal [mem 0x0000000100000000-0x000000043fffffff]
[ 0.000000] Movable zone start for each node
[ 0.000000] Early memory node ranges
[ 0.000000] node 0: [mem 0x0000000000001000-0x000000000009cfff]
[ 0.000000] node 0: [mem 0x0000000000100000-0x00000000bf77ffff]
[ 0.000000] node 0: [mem 0x0000000100000000-0x000000043fffffff]
[ 0.000000] Initmem setup node 0 [mem
0x0000000000001000-0x000000043fffffff]
[ 0.000000] On node 0 totalpages: 4192028
[ 0.000000] DMA zone: 64 pages used for memmap
[ 0.000000] DMA zone: 21 pages reserved
[ 0.000000] DMA zone: 3996 pages, LIFO batch:0
[ 0.000000] DMA32 zone: 12190 pages used for memmap
[ 0.000000] DMA32 zone: 780160 pages, LIFO batch:31
[ 0.000000] Normal zone: 53248 pages used for memmap
[ 0.000000] Normal zone: 3407872 pages, LIFO batch:31
[ 0.000000] ACPI: PM-Timer IO Port: 0x808
[ 0.000000] ACPI: Local APIC address 0xfee00000
[ 0.000000] IOAPIC[0]: apic_id 6, version 32, address 0xfec00000, GSI
0-23
[ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)
[ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)
[ 0.000000] ACPI: IRQ0 used by override.
[ 0.000000] ACPI: IRQ9 used by override.
[ 0.000000] Using ACPI (MADT) for SMP configuration information
[ 0.000000] ACPI: HPET id: 0xffffffff base: 0xfed00000
[ 0.000000] smpboot: Allowing 12 CPUs, 0 hotplug CPUs
[ 0.000000] PM: Registered nosave memory: [mem 0x00000000-0x00000fff]
[ 0.000000] PM: Registered nosave memory: [mem 0x0009d000-0x0009ffff]
[ 0.000000] PM: Registered nosave memory: [mem 0x000a0000-0x000dffff]
[ 0.000000] PM: Registered nosave memory: [mem 0x000e0000-0x000fffff]
[ 0.000000] PM: Registered nosave memory: [mem 0xbf780000-0xbf78dfff]
[ 0.000000] PM: Registered nosave memory: [mem 0xbf78e000-0xbf7cffff]
[ 0.000000] PM: Registered nosave memory: [mem 0xbf7d0000-0xbf7dffff]
[ 0.000000] PM: Registered nosave memory: [mem 0xbf7e0000-0xbf7e7fff]
[ 0.000000] PM: Registered nosave memory: [mem 0xbf7e8000-0xbfffffff]
[ 0.000000] PM: Registered nosave memory: [mem 0xc0000000-0xfedfffff]
[ 0.000000] PM: Registered nosave memory: [mem 0xfee00000-0xfee00fff]
[ 0.000000] PM: Registered nosave memory: [mem 0xfee01000-0xffbfffff]
[ 0.000000] PM: Registered nosave memory: [mem 0xffc00000-0xffffffff]
[ 0.000000] e820: [mem 0xc0000000-0xfedfffff] available for PCI devices
[ 0.000000] Booting paravirtualized kernel on bare hardware
[ 0.000000] clocksource: refined-jiffies: mask: 0xffffffff max_cycles:
0xffffffff, max_idle_ns: 6370452778343963 ns
[ 0.000000] setup_percpu: NR_CPUS:128 nr_cpumask_bits:128 nr_cpu_ids:12
nr_node_ids:1
[ 0.000000] percpu: Embedded 33 pages/cpu @ffff88042f200000 s97944 r8192
d29032 u262144
[ 0.000000] pcpu-alloc: s97944 r8192 d29032 u262144 alloc=1*2097152
[ 0.000000] pcpu-alloc: [0] 00 01 02 03 04 05 06 07 [0] 08 09 10 11 --
-- -- --
[ 0.000000] Built 1 zonelists in Node order, mobility grouping on.
Total pages: 4126505
[ 0.000000] Policy zone: Normal
[ 0.000000] Kernel command line: BOOT_IMAGE=/boot/vmlinuz-linux-git
root=UUID=80dfd13f-1755-4c83-b110-84282a777964 rw quiet intel_iommu=on
[ 0.000000] DMAR: IOMMU enabled
[ 0.000000] PID hash table entries: 4096 (order: 3, 32768 bytes)
[ 0.000000] Calgary: detecting Calgary via BIOS EBDA area
[ 0.000000] Calgary: Unable to locate Rio Grande table in EBDA - bailing!
[ 0.000000] Memory: 16422076K/16768112K available (6003K kernel code,
978K rwdata, 1836K rodata, 1244K init, 1164K bss, 346036K reserved, 0K
cma-reserved)
[ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=12, Nodes=1
[ 0.000000] Preemptible hierarchical RCU implementation.
[ 0.000000] Build-time adjustment of leaf fanout to 64.
[ 0.000000] RCU restricting CPUs from NR_CPUS=128 to nr_cpu_ids=12.
[ 0.000000] RCU: Adjusting geometry for rcu_fanout_leaf=64, nr_cpu_ids=12
[ 0.000000] NR_IRQS:8448 nr_irqs:520 16
[ 0.000000] Console: colour dummy device 80x25
[ 0.000000] console [tty0] enabled
[ 0.000000] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff,
max_idle_ns: 133484882848 ns
[ 0.000000] hpet clockevent registered
[ 0.000000] tsc: Fast TSC calibration using PIT
[ 0.000000] tsc: Detected 4399.618 MHz processor
[ 0.000018] Calibrating delay loop (skipped), value calculated using
timer frequency.. 8802.87 BogoMIPS (lpj=14665393)
[ 0.000020] pid_max: default: 32768 minimum: 301
[ 0.000025] ACPI: Core revision 20160422
[ 0.000054] Security Framework initialized
[ 0.000055] Yama: becoming mindful.
[ 0.000665] Dentry cache hash table entries: 2097152 (order: 12,
16777216 bytes)
[ 0.003136] Inode-cache hash table entries: 1048576 (order: 11, 8388608
bytes)
[ 0.004202] Mount-cache hash table entries: 32768 (order: 6, 262144
bytes)
[ 0.004214] Mountpoint-cache hash table entries: 32768 (order: 6, 262144
bytes)
[ 0.004425] CPU: Physical Processor ID: 0
[ 0.004426] CPU: Processor Core ID: 0
[ 0.004432] ENERGY_PERF_BIAS: Set to 'normal', was 'performance'
[ 0.004433] ENERGY_PERF_BIAS: View and update with
x86_energy_perf_policy(8)
[ 0.004435] mce: CPU supports 9 MCE banks
[ 0.004441] CPU0: Thermal monitoring enabled (TM1)
[ 0.004451] process: using mwait in idle threads
[ 0.004453] Last level iTLB entries: 4KB 512, 2MB 7, 4MB 7
[ 0.004454] Last level dTLB entries: 4KB 512, 2MB 32, 4MB 32, 1GB 0
[ 0.004644] Freeing SMP alternatives memory: 24K (ffffffff81a2d000 -
ffffffff81a33000)
[ 0.027646] ftrace: allocating 23795 entries in 93 pages
[ 0.034374] smpboot: Max logical packages: 2
[ 0.034375] smpboot: APIC(0) Converting physical 0 to logical package 0
[ 0.034378] DMAR-IR: This system BIOS has enabled interrupt remapping
on a chipset that contains an erratum making that
feature unstable. To maintain system stability
interrupt remapping is being disabled. Please
contact your BIOS vendor for an update
[ 0.034381] Switched APIC routing to physical flat.
[ 0.034740] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1
[ 0.173157] smpboot: CPU0: Intel(R) Xeon(R) CPU X5670 @
2.93GHz (family: 0x6, model: 0x2c, stepping: 0x2)
[ 0.173159] Performance Events: PEBS fmt1+, 16-deep LBR, Westmere
events, Intel PMU driver.
[ 0.173171] core: CPUID marked event: 'bus cycles' unavailable
[ 0.173173] ... version: 3
[ 0.173173] ... bit width: 48
[ 0.173174] ... generic registers: 4
[ 0.173175] ... value mask: 0000ffffffffffff
[ 0.173175] ... max period: 000000007fffffff
[ 0.173176] ... fixed-purpose events: 3
[ 0.173176] ... event mask: 000000070000000f
[ 0.196723] NMI watchdog: enabled on all CPUs, permanently consumes one
hw-PMU counter.
[ 0.213168] x86: Booting SMP configuration:
[ 0.213170] .... node #0, CPUs: #1 #2 #3 #4 #5 #6 #7 #8
#9 #10 #11
[ 1.265245] x86: Booted up 1 node, 12 CPUs
[ 1.265248] smpboot: Total of 12 processors activated (105638.67
BogoMIPS)
[ 1.275873] devtmpfs: initialized
[ 1.275910] x86/mm: Memory block size: 128MB
[ 1.277838] PM: Registering ACPI NVS region [mem 0xbf78e000-0xbf7cffff]
(270336 bytes)
[ 1.277881] clocksource: jiffies: mask: 0xffffffff max_cycles:
0xffffffff, max_idle_ns: 6370867519511994 ns
[ 1.277909] pinctrl core: initialized pinctrl subsystem
[ 1.277939] RTC time: 15:59:07, date: 06/16/16
[ 1.278840] NET: Registered protocol family 16
[ 1.289878] cpuidle: using governor ladder
[ 1.299879] cpuidle: using governor menu
[ 1.299902] ACPI: bus type PCI registered
[ 1.299904] acpiphp: ACPI Hot Plug PCI Controller Driver version: 0.5
[ 1.299952] PCI: MMCONFIG for domain 0000 [bus 00-ff] at [mem
0xe0000000-0xefffffff] (base 0xe0000000)
[ 1.299953] PCI: not using MMCONFIG
[ 1.299954] PCI: Using configuration type 1 for base access
[ 1.313292] HugeTLB registered 1 GB page size, pre-allocated 0 pages
[ 1.313293] HugeTLB registered 2 MB page size, pre-allocated 0 pages
[ 1.313419] ACPI: Added _OSI(Module Device)
[ 1.313420] ACPI: Added _OSI(Processor Device)
[ 1.313421] ACPI: Added _OSI(3.0 _SCP Extensions)
[ 1.313422] ACPI: Added _OSI(Processor Aggregator Device)
[ 1.315189] ACPI: Executed 1 blocks of module-level executable AML code
[ 1.315317] ACPI: 2 ACPI AML tables successfully acquired and loaded
[ 1.317263] ACPI: Dynamic OEM Table Load:
[ 1.317272] ACPI: SSDT 0xFFFF88042C9EC000 002D18 (v01 DpgPmm P001Ist
00000011 INTL 20051117)
[ 1.317765] ACPI: Interpreter enabled
[ 1.317774] ACPI: (supports S0 S1 S4 S5)
[ 1.317775] ACPI: Using IOAPIC for interrupt routing
[ 1.317791] PCI: MMCONFIG for domain 0000 [bus 00-ff] at [mem
0xe0000000-0xefffffff] (base 0xe0000000)
[ 1.318097] PCI: MMCONFIG at [mem 0xe0000000-0xefffffff] reserved in
ACPI motherboard resources
[ 1.318099] pmd_set_huge: Cannot satisfy [mem 0xe0000000-0xe0200000]
with a huge-page mapping due to MTRR override.
[ 1.318390] PCI: Using host bridge windows from ACPI; if necessary, use
"pci=nocrs" and report a bug
[ 1.321824] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff])
[ 1.321828] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM
ClockPM Segments MSI]
[ 1.321919] acpi PNP0A08:00: _OSC: platform does not support
[PCIeCapability]
[ 1.321963] acpi PNP0A08:00: _OSC: not requesting control; platform does
not support [PCIeCapability]
[ 1.321964] acpi PNP0A08:00: _OSC: OS requested [PCIeHotplug PME AER
PCIeCapability]
[ 1.321965] acpi PNP0A08:00: _OSC: platform willing to grant
[PCIeHotplug PME AER]
[ 1.321966] acpi PNP0A08:00: _OSC failed (AE_SUPPORT); disabling ASPM
[ 1.322120] PCI host bridge to bus 0000:00
[ 1.322122] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window]
[ 1.322123] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window]
[ 1.322124] pci_bus 0000:00: root bus resource [mem
0x000a0000-0x000bffff window]
[ 1.322125] pci_bus 0000:00: root bus resource [mem
0x000d0000-0x000dffff window]
[ 1.322126] pci_bus 0000:00: root bus resource [mem
0xc0000000-0xdfffffff window]
[ 1.322127] pci_bus 0000:00: root bus resource [mem
0xf0000000-0xfed8ffff window]
[ 1.322128] pci_bus 0000:00: root bus resource [bus 00-ff]
[ 1.322135] pci 0000:00:00.0: [8086:3405] type 00 class 0x060000
[ 1.322175] pci 0000:00:00.0: PME# supported from D0 D3hot D3cold
[ 1.322229] pci 0000:00:01.0: [8086:3408] type 01 class 0x060400
[ 1.322267] pci 0000:00:01.0: PME# supported from D0 D3hot D3cold
[ 1.322301] pci 0000:00:01.0: System wakeup disabled by ACPI
[ 1.322325] pci 0000:00:02.0: [8086:3409] type 01 class 0x060400
[ 1.322362] pci 0000:00:02.0: PME# supported from D0 D3hot D3cold
[ 1.322394] pci 0000:00:02.0: System wakeup disabled by ACPI
[ 1.322417] pci 0000:00:03.0: [8086:340a] type 01 class 0x060400
[ 1.322455] pci 0000:00:03.0: PME# supported from D0 D3hot D3cold
[ 1.322488] pci 0000:00:03.0: System wakeup disabled by ACPI
[ 1.322511] pci 0000:00:05.0: [8086:340c] type 01 class 0x060400
[ 1.322545] pci 0000:00:05.0: PME# supported from D0 D3hot D3cold
[ 1.322576] pci 0000:00:05.0: System wakeup disabled by ACPI
[ 1.322599] pci 0000:00:06.0: [8086:340d] type 01 class 0x060400
[ 1.322633] pci 0000:00:06.0: PME# supported from D0 D3hot D3cold
[ 1.322665] pci 0000:00:06.0: System wakeup disabled by ACPI
[ 1.322687] pci 0000:00:07.0: [8086:340e] type 01 class 0x060400
[ 1.322722] pci 0000:00:07.0: PME# supported from D0 D3hot D3cold
[ 1.322754] pci 0000:00:07.0: System wakeup disabled by ACPI
[ 1.322776] pci 0000:00:09.0: [8086:3410] type 01 class 0x060400
[ 1.322810] pci 0000:00:09.0: PME# supported from D0 D3hot D3cold
[ 1.322841] pci 0000:00:09.0: System wakeup disabled by ACPI
[ 1.322864] pci 0000:00:0a.0: [8086:3411] type 01 class 0x060400
[ 1.322898] pci 0000:00:0a.0: PME# supported from D0 D3hot D3cold
[ 1.322929] pci 0000:00:0a.0: System wakeup disabled by ACPI
[ 1.322954] pci 0000:00:14.0: [8086:342e] type 00 class 0x080000
[ 1.323026] pci 0000:00:14.1: [8086:3422] type 00 class 0x080000
[ 1.323096] pci 0000:00:14.2: [8086:3423] type 00 class 0x080000
[ 1.323164] pci 0000:00:14.3: [8086:3438] type 00 class 0x080000
[ 1.323233] pci 0000:00:1a.0: [8086:3a37] type 00 class 0x0c0300
[ 1.323265] pci 0000:00:1a.0: reg 0x20: [io 0x6400-0x641f]
[ 1.323328] pci 0000:00:1a.0: System wakeup disabled by ACPI
[ 1.323351] pci 0000:00:1a.1: [8086:3a38] type 00 class 0x0c0300
[ 1.323383] pci 0000:00:1a.1: reg 0x20: [io 0x6480-0x649f]
[ 1.323443] pci 0000:00:1a.1: System wakeup disabled by ACPI
[ 1.323467] pci 0000:00:1a.2: [8086:3a39] type 00 class 0x0c0300
[ 1.323499] pci 0000:00:1a.2: reg 0x20: [io 0x6800-0x681f]
[ 1.323559] pci 0000:00:1a.2: System wakeup disabled by ACPI
[ 1.323588] pci 0000:00:1a.7: [8086:3a3c] type 00 class 0x0c0320
[ 1.323602] pci 0000:00:1a.7: reg 0x10: [mem 0xfb8f8000-0xfb8f83ff]
[ 1.323669] pci 0000:00:1a.7: PME# supported from D0 D3hot D3cold
[ 1.323697] pci 0000:00:1a.7: System wakeup disabled by ACPI
[ 1.323722] pci 0000:00:1b.0: [8086:3a3e] type 00 class 0x040300
[ 1.323735] pci 0000:00:1b.0: reg 0x10: [mem 0xfb8f4000-0xfb8f7fff 64bit]
[ 1.323790] pci 0000:00:1b.0: PME# supported from D0 D3hot D3cold
[ 1.323842] pci 0000:00:1c.0: [8086:3a40] type 01 class 0x060400
[ 1.323895] pci 0000:00:1c.0: PME# supported from D0 D3hot D3cold
[ 1.323928] pci 0000:00:1c.0: System wakeup disabled by ACPI
[ 1.323952] pci 0000:00:1c.1: [8086:3a42] type 01 class 0x060400
[ 1.324005] pci 0000:00:1c.1: PME# supported from D0 D3hot D3cold
[ 1.324037] pci 0000:00:1c.1: System wakeup disabled by ACPI
[ 1.324060] pci 0000:00:1c.2: [8086:3a44] type 01 class 0x060400
[ 1.324114] pci 0000:00:1c.2: PME# supported from D0 D3hot D3cold
[ 1.324146] pci 0000:00:1c.2: System wakeup disabled by ACPI
[ 1.324169] pci 0000:00:1c.3: [8086:3a46] type 01 class 0x060400
[ 1.324222] pci 0000:00:1c.3: PME# supported from D0 D3hot D3cold
[ 1.324254] pci 0000:00:1c.3: System wakeup disabled by ACPI
[ 1.324278] pci 0000:00:1c.4: [8086:3a48] type 01 class 0x060400
[ 1.324331] pci 0000:00:1c.4: PME# supported from D0 D3hot D3cold
[ 1.324364] pci 0000:00:1c.4: System wakeup disabled by ACPI
[ 1.324389] pci 0000:00:1d.0: [8086:3a34] type 00 class 0x0c0300
[ 1.324421] pci 0000:00:1d.0: reg 0x20: [io 0x6880-0x689f]
[ 1.324481] pci 0000:00:1d.0: System wakeup disabled by ACPI
[ 1.324505] pci 0000:00:1d.1: [8086:3a35] type 00 class 0x0c0300
[ 1.324537] pci 0000:00:1d.1: reg 0x20: [io 0x6c00-0x6c1f]
[ 1.324597] pci 0000:00:1d.1: System wakeup disabled by ACPI
[ 1.324621] pci 0000:00:1d.2: [8086:3a36] type 00 class 0x0c0300
[ 1.324653] pci 0000:00:1d.2: reg 0x20: [io 0x7000-0x701f]
[ 1.324713] pci 0000:00:1d.2: System wakeup disabled by ACPI
[ 1.324742] pci 0000:00:1d.7: [8086:3a3a] type 00 class 0x0c0320
[ 1.324756] pci 0000:00:1d.7: reg 0x10: [mem 0xfb8fa000-0xfb8fa3ff]
[ 1.324823] pci 0000:00:1d.7: PME# supported from D0 D3hot D3cold
[ 1.324852] pci 0000:00:1d.7: System wakeup disabled by ACPI
[ 1.324874] pci 0000:00:1e.0: [8086:244e] type 01 class 0x060401
[ 1.324929] pci 0000:00:1e.0: System wakeup disabled by ACPI
[ 1.324952] pci 0000:00:1f.0: [8086:3a16] type 00 class 0x060100
[ 1.325016] pci 0000:00:1f.0: quirk: [io 0x0800-0x087f] claimed by ICH6
ACPI/GPIO/TCO
[ 1.325019] pci 0000:00:1f.0: quirk: [io 0x0500-0x053f] claimed by ICH6
GPIO
[ 1.325021] pci 0000:00:1f.0: ICH7 LPC Generic IO decode 1 PIO at 0a00
(mask 00ff)
[ 1.325023] pci 0000:00:1f.0: ICH7 LPC Generic IO decode 2 PIO at 0a00
(mask 0017)
[ 1.325025] pci 0000:00:1f.0: ICH7 LPC Generic IO decode 3 PIO at 4700
(mask 00ff)
[ 1.325091] pci 0000:00:1f.2: [8086:3a22] type 00 class 0x010601
[ 1.325102] pci 0000:00:1f.2: reg 0x10: [io 0x7880-0x7887]
[ 1.325107] pci 0000:00:1f.2: reg 0x14: [io 0x7800-0x7803]
[ 1.325113] pci 0000:00:1f.2: reg 0x18: [io 0x7480-0x7487]
[ 1.325118] pci 0000:00:1f.2: reg 0x1c: [io 0x7400-0x7403]
[ 1.325124] pci 0000:00:1f.2: reg 0x20: [io 0x7080-0x709f]
[ 1.325129] pci 0000:00:1f.2: reg 0x24: [mem 0xfb8fc000-0xfb8fc7ff]
[ 1.325160] pci 0000:00:1f.2: PME# supported from D3hot
[ 1.325206] pci 0000:00:1f.3: [8086:3a30] type 00 class 0x0c0500
[ 1.325217] pci 0000:00:1f.3: reg 0x10: [mem 0xfb8fe000-0xfb8fe0ff 64bit]
[ 1.325233] pci 0000:00:1f.3: reg 0x20: [io 0x0400-0x041f]
[ 1.325320] pci 0000:0e:00.0: [1033:0194] type 00 class 0x0c0330
[ 1.325334] pci 0000:0e:00.0: reg 0x10: [mem 0xfbefe000-0xfbefffff 64bit]
[ 1.325404] pci 0000:0e:00.0: PME# supported from D0 D3hot D3cold
[ 1.329889] pci 0000:00:01.0: PCI bridge to [bus 0e]
[ 1.329894] pci 0000:00:01.0: bridge window [mem 0xfbe00000-0xfbefffff]
[ 1.329938] pci 0000:0d:00.0: [1b4b:9123] type 00 class 0x010601
[ 1.329947] pci 0000:0d:00.0: reg 0x10: [io 0xe080-0xe087]
[ 1.329952] pci 0000:0d:00.0: reg 0x14: [io 0xe000-0xe003]
[ 1.329957] pci 0000:0d:00.0: reg 0x18: [io 0xdc00-0xdc07]
[ 1.329962] pci 0000:0d:00.0: reg 0x1c: [io 0xd880-0xd883]
[ 1.329968] pci 0000:0d:00.0: reg 0x20: [io 0xd800-0xd80f]
[ 1.329973] pci 0000:0d:00.0: reg 0x24: [mem 0xfbddf800-0xfbddffff]
[ 1.329978] pci 0000:0d:00.0: reg 0x30: [mem 0xfbdc0000-0xfbdcffff pref]
[ 1.329985] pci 0000:0d:00.0: Enabling fixed DMA alias to 00.1
[ 1.330006] pci 0000:0d:00.0: PME# supported from D3hot
[ 1.336553] pci 0000:00:02.0: PCI bridge to [bus 0d]
[ 1.336557] pci 0000:00:02.0: bridge window [io 0xd000-0xefff]
[ 1.336560] pci 0000:00:02.0: bridge window [mem 0xfbd00000-0xfbdfffff]
[ 1.336604] pci 0000:0c:00.0: [10de:0622] type 00 class 0x030000
[ 1.336612] pci 0000:0c:00.0: reg 0x10: [mem 0xfa000000-0xfaffffff]
[ 1.336620] pci 0000:0c:00.0: reg 0x14: [mem 0xd0000000-0xdfffffff 64bit
pref]
[ 1.336628] pci 0000:0c:00.0: reg 0x1c: [mem 0xf8000000-0xf9ffffff 64bit]
[ 1.336633] pci 0000:0c:00.0: reg 0x24: [io 0xcc00-0xcc7f]
[ 1.336638] pci 0000:0c:00.0: reg 0x30: [mem 0xf7f80000-0xf7ffffff pref]
[ 1.343220] pci 0000:00:03.0: PCI bridge to [bus 0c]
[ 1.343224] pci 0000:00:03.0: bridge window [io 0xc000-0xcfff]
[ 1.343226] pci 0000:00:03.0: bridge window [mem 0xf7f00000-0xfaffffff]
[ 1.343231] pci 0000:00:03.0: bridge window [mem 0xd0000000-0xdfffffff
64bit pref]
[ 1.343264] pci 0000:00:05.0: PCI bridge to [bus 0b]
[ 1.343291] pci 0000:00:06.0: PCI bridge to [bus 0a]
[ 1.343317] pci 0000:00:07.0: PCI bridge to [bus 09]
[ 1.343343] pci 0000:00:09.0: PCI bridge to [bus 08]
[ 1.343369] pci 0000:00:0a.0: PCI bridge to [bus 07]
[ 1.343412] pci 0000:06:00.0: [10ec:8168] type 00 class 0x020000
[ 1.343428] pci 0000:06:00.0: reg 0x10: [io 0xb800-0xb8ff]
[ 1.343451] pci 0000:06:00.0: reg 0x18: [mem 0xf5fff000-0xf5ffffff 64bit
pref]
[ 1.343466] pci 0000:06:00.0: reg 0x20: [mem 0xf5ff8000-0xf5ffbfff 64bit
pref]
[ 1.343475] pci 0000:06:00.0: reg 0x30: [mem 0xfbce0000-0xfbcfffff pref]
[ 1.343543] pci 0000:06:00.0: supports D1 D2
[ 1.343544] pci 0000:06:00.0: PME# supported from D0 D1 D2 D3hot D3cold
[ 1.349891] pci 0000:00:1c.0: PCI bridge to [bus 06]
[ 1.349896] pci 0000:00:1c.0: bridge window [io 0xb000-0xbfff]
[ 1.349899] pci 0000:00:1c.0: bridge window [mem 0xfbc00000-0xfbcfffff]
[ 1.349904] pci 0000:00:1c.0: bridge window [mem 0xf5f00000-0xf5ffffff
64bit pref]
[ 1.349951] pci 0000:05:00.0: [10ec:8168] type 00 class 0x020000
[ 1.349967] pci 0000:05:00.0: reg 0x10: [io 0xa800-0xa8ff]
[ 1.349990] pci 0000:05:00.0: reg 0x18: [mem 0xf5eff000-0xf5efffff 64bit
pref]
[ 1.350005] pci 0000:05:00.0: reg 0x20: [mem 0xf5ef8000-0xf5efbfff 64bit
pref]
[ 1.350014] pci 0000:05:00.0: reg 0x30: [mem 0xfbbe0000-0xfbbfffff pref]
[ 1.350082] pci 0000:05:00.0: supports D1 D2
[ 1.350083] pci 0000:05:00.0: PME# supported from D0 D1 D2 D3hot D3cold
[ 1.356558] pci 0000:00:1c.1: PCI bridge to [bus 05]
[ 1.356562] pci 0000:00:1c.1: bridge window [io 0xa000-0xafff]
[ 1.356566] pci 0000:00:1c.1: bridge window [mem 0xfbb00000-0xfbbfffff]
[ 1.356571] pci 0000:00:1c.1: bridge window [mem 0xf5e00000-0xf5efffff
64bit pref]
[ 1.356618] pci 0000:04:00.0: [1106:3403] type 00 class 0x0c0010
[ 1.356639] pci 0000:04:00.0: reg 0x10: [mem 0xfbaff800-0xfbafffff 64bit]
[ 1.356649] pci 0000:04:00.0: reg 0x18: [io 0x9800-0x98ff]
[ 1.356737] pci 0000:04:00.0: supports D2
[ 1.356738] pci 0000:04:00.0: PME# supported from D2 D3hot D3cold
[ 1.363225] pci 0000:00:1c.2: PCI bridge to [bus 04]
[ 1.363229] pci 0000:00:1c.2: bridge window [io 0x9000-0x9fff]
[ 1.363233] pci 0000:00:1c.2: bridge window [mem 0xfba00000-0xfbafffff]
[ 1.363291] pci 0000:03:00.0: [197b:2362] type 00 class 0x010601
[ 1.363320] pci 0000:03:00.0: reg 0x10: [io 0x8c00-0x8c07]
[ 1.363331] pci 0000:03:00.0: reg 0x14: [io 0x8880-0x8883]
[ 1.363342] pci 0000:03:00.0: reg 0x18: [io 0x8800-0x8807]
[ 1.363354] pci 0000:03:00.0: reg 0x1c: [io 0x8480-0x8483]
[ 1.363365] pci 0000:03:00.0: reg 0x20: [io 0x8400-0x840f]
[ 1.363377] pci 0000:03:00.0: reg 0x24: [mem 0xfb9ffc00-0xfb9ffdff]
[ 1.363388] pci 0000:03:00.0: reg 0x30: [mem 0x00000000-0x0000ffff pref]
[ 1.363438] pci 0000:03:00.0: PME# supported from D3hot
[ 1.369892] pci 0000:00:1c.3: PCI bridge to [bus 03]
[ 1.369896] pci 0000:00:1c.3: bridge window [io 0x8000-0x8fff]
[ 1.369900] pci 0000:00:1c.3: bridge window [mem 0xfb900000-0xfb9fffff]
[ 1.369953] pci 0000:02:00.0: [1102:000b] type 00 class 0x040300
[ 1.369977] pci 0000:02:00.0: reg 0x10: [mem 0xf7ef0000-0xf7efffff 64bit]
[ 1.369993] pci 0000:02:00.0: reg 0x18: [mem 0xf7c00000-0xf7dfffff 64bit]
[ 1.370010] pci 0000:02:00.0: reg 0x20: [mem 0xf6000000-0xf6ffffff 64bit]
[ 1.376559] pci 0000:00:1c.4: PCI bridge to [bus 02]
[ 1.376564] pci 0000:00:1c.4: bridge window [mem 0xf6000000-0xf7efffff]
[ 1.376627] pci 0000:00:1e.0: PCI bridge to [bus 01] (subtractive decode)
[ 1.376634] pci 0000:00:1e.0: bridge window [io 0x0000-0x0cf7 window]
(subtractive decode)
[ 1.376635] pci 0000:00:1e.0: bridge window [io 0x0d00-0xffff window]
(subtractive decode)
[ 1.376636] pci 0000:00:1e.0: bridge window [mem 0x000a0000-0x000bffff
window] (subtractive decode)
[ 1.376637] pci 0000:00:1e.0: bridge window [mem 0x000d0000-0x000dffff
window] (subtractive decode)
[ 1.376638] pci 0000:00:1e.0: bridge window [mem 0xc0000000-0xdfffffff
window] (subtractive decode)
[ 1.376639] pci 0000:00:1e.0: bridge window [mem 0xf0000000-0xfed8ffff
window] (subtractive decode)
[ 1.376915] ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 6 7 10 11 12 14
*15)
[ 1.376944] ACPI: PCI Interrupt Link [LNKB] (IRQs *5)
[ 1.376972] ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 6 7 10 *11 12 14
15)
[ 1.377000] ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 6 7 *10 11 12 14
15)
[ 1.377029] ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 6 7 10 11 12 14
15) *0, disabled.
[ 1.377058] ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 6 *7 10 11 12 14
15)
[ 1.377086] ACPI: PCI Interrupt Link [LNKG] (IRQs *3 4 6 7 10 11 12 14
15)
[ 1.377115] ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 6 7 10 11 12 *14
15)
[ 1.377144] ACPI: Enabled 1 GPEs in block 00 to 3F
[ 1.377190] vgaarb: setting as boot device: PCI:0000:0c:00.0
[ 1.377191] vgaarb: device added:
PCI:0000:0c:00.0,decodes=io+mem,owns=io+mem,locks=none
[ 1.377192] vgaarb: loaded
[ 1.377193] vgaarb: bridge control possible 0000:0c:00.0
[ 1.377234] PCI: Using ACPI for IRQ routing
[ 1.381779] PCI: Discovered peer bus ff
[ 1.381781] PCI: root bus ff: using default resources
[ 1.381782] PCI: Probing PCI hardware (bus ff)
[ 1.381804] ACPI: \: failed to evaluate _DSM (0x1001)
[ 1.381804] PCI host bridge to bus 0000:ff
[ 1.381806] pci_bus 0000:ff: root bus resource [io 0x0000-0xffff]
[ 1.381807] pci_bus 0000:ff: root bus resource [mem
0x00000000-0xffffffffff]
[ 1.381808] pci_bus 0000:ff: No busn resource found for root bus, will
use [bus ff-ff]
[ 1.381809] pci_bus 0000:ff: busn_res: can not insert [bus ff] under
domain [bus 00-ff] (conflicts with (null) [bus 00-ff])
[ 1.381812] pci 0000:ff:00.0: [8086:2c70] type 00 class 0x060000
[ 1.381839] pci 0000:ff:00.1: [8086:2d81] type 00 class 0x060000
[ 1.381863] pci 0000:ff:02.0: [8086:2d90] type 00 class 0x060000
[ 1.381886] pci 0000:ff:02.1: [8086:2d91] type 00 class 0x060000
[ 1.381912] pci 0000:ff:02.2: [8086:2d92] type 00 class 0x060000
[ 1.381936] pci 0000:ff:02.3: [8086:2d93] type 00 class 0x060000
[ 1.381958] pci 0000:ff:02.4: [8086:2d94] type 00 class 0x060000
[ 1.381981] pci 0000:ff:02.5: [8086:2d95] type 00 class 0x060000
[ 1.382005] pci 0000:ff:03.0: [8086:2d98] type 00 class 0x060000
[ 1.382027] pci 0000:ff:03.1: [8086:2d99] type 00 class 0x060000
[ 1.382050] pci 0000:ff:03.2: [8086:2d9a] type 00 class 0x060000
[ 1.382073] pci 0000:ff:03.4: [8086:2d9c] type 00 class 0x060000
[ 1.382096] pci 0000:ff:04.0: [8086:2da0] type 00 class 0x060000
[ 1.382119] pci 0000:ff:04.1: [8086:2da1] type 00 class 0x060000
[ 1.382142] pci 0000:ff:04.2: [8086:2da2] type 00 class 0x060000
[ 1.382165] pci 0000:ff:04.3: [8086:2da3] type 00 class 0x060000
[ 1.382189] pci 0000:ff:05.0: [8086:2da8] type 00 class 0x060000
[ 1.382212] pci 0000:ff:05.1: [8086:2da9] type 00 class 0x060000
[ 1.382235] pci 0000:ff:05.2: [8086:2daa] type 00 class 0x060000
[ 1.382258] pci 0000:ff:05.3: [8086:2dab] type 00 class 0x060000
[ 1.382282] pci 0000:ff:06.0: [8086:2db0] type 00 class 0x060000
[ 1.382306] pci 0000:ff:06.1: [8086:2db1] type 00 class 0x060000
[ 1.382328] pci 0000:ff:06.2: [8086:2db2] type 00 class 0x060000
[ 1.382351] pci 0000:ff:06.3: [8086:2db3] type 00 class 0x060000
[ 1.382382] pci_bus 0000:ff: busn_res: [bus ff] end is updated to ff
[ 1.382383] pci_bus 0000:ff: busn_res: can not insert [bus ff] under
domain [bus 00-ff] (conflicts with (null) [bus 00-ff])
[ 1.382387] PCI: pci_cache_line_size set to 64 bytes
[ 1.382463] e820: reserve RAM buffer [mem 0x0009d000-0x0009ffff]
[ 1.382464] e820: reserve RAM buffer [mem 0xbf780000-0xbfffffff]
[ 1.382523] NetLabel: Initializing
[ 1.382524] NetLabel: domain hash size = 128
[ 1.382524] NetLabel: protocols = UNLABELED CIPSOv4
[ 1.382531] NetLabel: unlabeled traffic allowed by default
[ 1.382561] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0, 0
[ 1.382563] hpet0: 4 comparators, 64-bit 14.318180 MHz counter
[ 1.384581] clocksource: Switched to clocksource hpet
[ 1.387741] VFS: Disk quotas dquot_6.6.0
[ 1.387753] VFS: Dquot-cache hash table entries: 512 (order 0, 4096
bytes)
[ 1.387794] pnp: PnP ACPI init
[ 1.387834] system 00:00: [mem 0xfbf00000-0xfbffffff] has been reserved
[ 1.387836] system 00:00: [mem 0xfc000000-0xfcffffff] has been reserved
[ 1.387837] system 00:00: [mem 0xfd000000-0xfdffffff] has been reserved
[ 1.387838] system 00:00: [mem 0xfe000000-0xfebfffff] has been reserved
[ 1.387839] system 00:00: [mem 0xfec8a000-0xfec8afff] has been reserved
[ 1.387840] system 00:00: [mem 0xfed10000-0xfed10fff] has been reserved
[ 1.387842] system 00:00: Plug and Play ACPI device, IDs PNP0c01 (active)
[ 1.387873] pnp 00:01: Plug and Play ACPI device, IDs PNP0b00 (active)
[ 1.387966] system 00:02: [io 0x0a00-0x0adf] has been reserved
[ 1.387968] system 00:02: [io 0x0ae0-0x0aef] has been reserved
[ 1.387969] system 00:02: Plug and Play ACPI device, IDs PNP0c02 (active)
[ 1.388067] system 00:03: [io 0x04d0-0x04d1] has been reserved
[ 1.388068] system 00:03: [io 0x0800-0x087f] has been reserved
[ 1.388069] system 00:03: [io 0x0500-0x057f] could not be reserved
[ 1.388071] system 00:03: [mem 0xfed1c000-0xfed1ffff] has been reserved
[ 1.388072] system 00:03: [mem 0xfed20000-0xfed3ffff] has been reserved
[ 1.388073] system 00:03: [mem 0xfed45000-0xfed89fff] has been reserved
[ 1.388074] system 00:03: [mem 0xfed20000-0xfed3ffff] has been reserved
[ 1.388076] system 00:03: [mem 0xfed40000-0xfed8ffff] could not be
reserved
[ 1.388077] system 00:03: Plug and Play ACPI device, IDs PNP0c02 (active)
[ 1.388154] system 00:04: [mem 0xfec00000-0xfec00fff] could not be
reserved
[ 1.388156] system 00:04: [mem 0xfee00000-0xfee00fff] has been reserved
[ 1.388158] system 00:04: Plug and Play ACPI device, IDs PNP0c02 (active)
[ 1.388206] system 00:05: [mem 0xe0000000-0xefffffff] has been reserved
[ 1.388208] system 00:05: Plug and Play ACPI device, IDs PNP0c02 (active)
[ 1.388312] system 00:06: [mem 0x00000000-0x0009ffff] could not be
reserved
[ 1.388314] system 00:06: [mem 0x000c0000-0x000cffff] could not be
reserved
[ 1.388315] system 00:06: [mem 0x000e0000-0x000fffff] could not be
reserved
[ 1.388316] system 00:06: [mem 0x00100000-0xbfffffff] could not be
reserved
[ 1.388317] system 00:06: [mem 0xfed90000-0xffffffff] could not be
reserved
[ 1.388319] system 00:06: Plug and Play ACPI device, IDs PNP0c01 (active)
[ 1.388382] pnp: PnP ACPI: found 7 devices
[ 1.393990] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff,
max_idle_ns: 2085701024 ns
[ 1.394033] pci 0000:00:1c.2: bridge window [mem 0x00100000-0x000fffff
64bit pref] to [bus 04] add_size 200000 add_align 100000
[ 1.394038] pci 0000:00:1c.3: bridge window [mem 0x00100000-0x000fffff
64bit pref] to [bus 03] add_size 200000 add_align 100000
[ 1.394044] pci 0000:00:1c.4: bridge window [io 0x1000-0x0fff] to [bus
02] add_size 1000
[ 1.394045] pci 0000:00:1c.4: bridge window [mem 0x00100000-0x000fffff
64bit pref] to [bus 02] add_size 200000 add_align 100000
[ 1.394056] pci 0000:00:1c.2: res[15]=[mem 0x00100000-0x000fffff 64bit
pref] res_to_dev_res add_size 200000 min_align 100000
[ 1.394058] pci 0000:00:1c.2: res[15]=[mem 0x00100000-0x002fffff 64bit
pref] res_to_dev_res add_size 200000 min_align 100000
[ 1.394059] pci 0000:00:1c.3: res[15]=[mem 0x00100000-0x000fffff 64bit
pref] res_to_dev_res add_size 200000 min_align 100000
[ 1.394060] pci 0000:00:1c.3: res[15]=[mem 0x00100000-0x002fffff 64bit
pref] res_to_dev_res add_size 200000 min_align 100000
[ 1.394061] pci 0000:00:1c.4: res[15]=[mem 0x00100000-0x000fffff 64bit
pref] res_to_dev_res add_size 200000 min_align 100000
[ 1.394062] pci 0000:00:1c.4: res[15]=[mem 0x00100000-0x002fffff 64bit
pref] res_to_dev_res add_size 200000 min_align 100000
[ 1.394063] pci 0000:00:1c.4: res[13]=[io 0x1000-0x0fff] res_to_dev_res
add_size 1000 min_align 1000
[ 1.394064] pci 0000:00:1c.4: res[13]=[io 0x1000-0x1fff] res_to_dev_res
add_size 1000 min_align 1000
[ 1.394068] pci 0000:00:1c.2: BAR 15: assigned [mem
0xc0000000-0xc01fffff 64bit pref]
[ 1.394071] pci 0000:00:1c.3: BAR 15: assigned [mem
0xc0200000-0xc03fffff 64bit pref]
[ 1.394073] pci 0000:00:1c.4: BAR 15: assigned [mem
0xc0400000-0xc05fffff 64bit pref]
[ 1.394074] pci 0000:00:1c.4: BAR 13: assigned [io 0x1000-0x1fff]
[ 1.394076] pci 0000:00:01.0: PCI bridge to [bus 0e]
[ 1.394079] pci 0000:00:01.0: bridge window [mem 0xfbe00000-0xfbefffff]
[ 1.394083] pci 0000:00:02.0: PCI bridge to [bus 0d]
[ 1.394084] pci 0000:00:02.0: bridge window [io 0xd000-0xefff]
[ 1.394087] pci 0000:00:02.0: bridge window [mem 0xfbd00000-0xfbdfffff]
[ 1.394090] pci 0000:00:03.0: PCI bridge to [bus 0c]
[ 1.394092] pci 0000:00:03.0: bridge window [io 0xc000-0xcfff]
[ 1.394094] pci 0000:00:03.0: bridge window [mem 0xf7f00000-0xfaffffff]
[ 1.394096] pci 0000:00:03.0: bridge window [mem 0xd0000000-0xdfffffff
64bit pref]
[ 1.394099] pci 0000:00:05.0: PCI bridge to [bus 0b]
[ 1.394104] pci 0000:00:06.0: PCI bridge to [bus 0a]
[ 1.394109] pci 0000:00:07.0: PCI bridge to [bus 09]
[ 1.394114] pci 0000:00:09.0: PCI bridge to [bus 08]
[ 1.394120] pci 0000:00:0a.0: PCI bridge to [bus 07]
[ 1.394125] pci 0000:00:1c.0: PCI bridge to [bus 06]
[ 1.394127] pci 0000:00:1c.0: bridge window [io 0xb000-0xbfff]
[ 1.394130] pci 0000:00:1c.0: bridge window [mem 0xfbc00000-0xfbcfffff]
[ 1.394132] pci 0000:00:1c.0: bridge window [mem 0xf5f00000-0xf5ffffff
64bit pref]
[ 1.394136] pci 0000:00:1c.1: PCI bridge to [bus 05]
[ 1.394137] pci 0000:00:1c.1: bridge window [io 0xa000-0xafff]
[ 1.394140] pci 0000:00:1c.1: bridge window [mem 0xfbb00000-0xfbbfffff]
[ 1.394142] pci 0000:00:1c.1: bridge window [mem 0xf5e00000-0xf5efffff
64bit pref]
[ 1.394146] pci 0000:00:1c.2: PCI bridge to [bus 04]
[ 1.394147] pci 0000:00:1c.2: bridge window [io 0x9000-0x9fff]
[ 1.394150] pci 0000:00:1c.2: bridge window [mem 0xfba00000-0xfbafffff]
[ 1.394153] pci 0000:00:1c.2: bridge window [mem 0xc0000000-0xc01fffff
64bit pref]
[ 1.394157] pci 0000:03:00.0: BAR 6: assigned [mem 0xfb900000-0xfb90ffff
pref]
[ 1.394158] pci 0000:00:1c.3: PCI bridge to [bus 03]
[ 1.394159] pci 0000:00:1c.3: bridge window [io 0x8000-0x8fff]
[ 1.394162] pci 0000:00:1c.3: bridge window [mem 0xfb900000-0xfb9fffff]
[ 1.394164] pci 0000:00:1c.3: bridge window [mem 0xc0200000-0xc03fffff
64bit pref]
[ 1.394168] pci 0000:00:1c.4: PCI bridge to [bus 02]
[ 1.394170] pci 0000:00:1c.4: bridge window [io 0x1000-0x1fff]
[ 1.394173] pci 0000:00:1c.4: bridge window [mem 0xf6000000-0xf7efffff]
[ 1.394175] pci 0000:00:1c.4: bridge window [mem 0xc0400000-0xc05fffff
64bit pref]
[ 1.394179] pci 0000:00:1e.0: PCI bridge to [bus 01]
[ 1.394186] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window]
[ 1.394187] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window]
[ 1.394188] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff
window]
[ 1.394189] pci_bus 0000:00: resource 7 [mem 0x000d0000-0x000dffff
window]
[ 1.394190] pci_bus 0000:00: resource 8 [mem 0xc0000000-0xdfffffff
window]
[ 1.394191] pci_bus 0000:00: resource 9 [mem 0xf0000000-0xfed8ffff
window]
[ 1.394192] pci_bus 0000:0e: resource 1 [mem 0xfbe00000-0xfbefffff]
[ 1.394193] pci_bus 0000:0d: resource 0 [io 0xd000-0xefff]
[ 1.394194] pci_bus 0000:0d: resource 1 [mem 0xfbd00000-0xfbdfffff]
[ 1.394195] pci_bus 0000:0c: resource 0 [io 0xc000-0xcfff]
[ 1.394196] pci_bus 0000:0c: resource 1 [mem 0xf7f00000-0xfaffffff]
[ 1.394197] pci_bus 0000:0c: resource 2 [mem 0xd0000000-0xdfffffff 64bit
pref]
[ 1.394198] pci_bus 0000:06: resource 0 [io 0xb000-0xbfff]
[ 1.394199] pci_bus 0000:06: resource 1 [mem 0xfbc00000-0xfbcfffff]
[ 1.394200] pci_bus 0000:06: resource 2 [mem 0xf5f00000-0xf5ffffff 64bit
pref]
[ 1.394201] pci_bus 0000:05: resource 0 [io 0xa000-0xafff]
[ 1.394202] pci_bus 0000:05: resource 1 [mem 0xfbb00000-0xfbbfffff]
[ 1.394203] pci_bus 0000:05: resource 2 [mem 0xf5e00000-0xf5efffff 64bit
pref]
[ 1.394204] pci_bus 0000:04: resource 0 [io 0x9000-0x9fff]
[ 1.394204] pci_bus 0000:04: resource 1 [mem 0xfba00000-0xfbafffff]
[ 1.394205] pci_bus 0000:04: resource 2 [mem 0xc0000000-0xc01fffff 64bit
pref]
[ 1.394206] pci_bus 0000:03: resource 0 [io 0x8000-0x8fff]
[ 1.394207] pci_bus 0000:03: resource 1 [mem 0xfb900000-0xfb9fffff]
[ 1.394208] pci_bus 0000:03: resource 2 [mem 0xc0200000-0xc03fffff 64bit
pref]
[ 1.394209] pci_bus 0000:02: resource 0 [io 0x1000-0x1fff]
[ 1.394210] pci_bus 0000:02: resource 1 [mem 0xf6000000-0xf7efffff]
[ 1.394211] pci_bus 0000:02: resource 2 [mem 0xc0400000-0xc05fffff 64bit
pref]
[ 1.394212] pci_bus 0000:01: resource 4 [io 0x0000-0x0cf7 window]
[ 1.394213] pci_bus 0000:01: resource 5 [io 0x0d00-0xffff window]
[ 1.394214] pci_bus 0000:01: resource 6 [mem 0x000a0000-0x000bffff
window]
[ 1.394215] pci_bus 0000:01: resource 7 [mem 0x000d0000-0x000dffff
window]
[ 1.394216] pci_bus 0000:01: resource 8 [mem 0xc0000000-0xdfffffff
window]
[ 1.394217] pci_bus 0000:01: resource 9 [mem 0xf0000000-0xfed8ffff
window]
[ 1.394219] pci_bus 0000:ff: resource 4 [io 0x0000-0xffff]
[ 1.394220] pci_bus 0000:ff: resource 5 [mem 0x00000000-0xffffffffff]
[ 1.394235] NET: Registered protocol family 2
[ 1.394354] TCP established hash table entries: 131072 (order: 8,
1048576 bytes)
[ 1.394502] TCP bind hash table entries: 65536 (order: 8, 1048576 bytes)
[ 1.394607] TCP: Hash tables configured (established 131072 bind 65536)
[ 1.394629] UDP hash table entries: 8192 (order: 6, 262144 bytes)
[ 1.394661] UDP-Lite hash table entries: 8192 (order: 6, 262144 bytes)
[ 1.394719] NET: Registered protocol family 1
[ 1.395763] pci 0000:0c:00.0: Video device with shadowed ROM at [mem
0x000c0000-0x000dffff]
[ 1.395789] PCI: CLS 256 bytes, default 64
[ 1.395814] Unpacking initramfs...
[ 1.432267] Freeing initrd memory: 4260K (ffff88003779e000 -
ffff880037bc7000)
[ 1.432279] DMAR: Host address width 39
[ 1.432281] DMAR: DRHD base: 0x000000fbfff000 flags: 0x0
[ 1.432292] DMAR: dmar0: reg_base_addr fbfff000 ver 1:0 cap
c9008010e60262 ecap f020f2
[ 1.432293] DMAR: DRHD base: 0x000000fbffe000 flags: 0x1
[ 1.432297] DMAR: dmar1: reg_base_addr fbffe000 ver 1:0 cap
c9078010ef0462 ecap f020f6
[ 1.432298] DMAR: RMRR base: 0x000000000ec000 end: 0x000000000f3fff
[ 1.432299] DMAR: RMRR base: 0x000000bf7e8000 end: 0x000000bf7fffff
[ 1.432299] DMAR: ATSR flags: 0x0
[ 1.433425] DMAR: dmar0: Using Queued invalidation
[ 1.433435] DMAR: dmar1: Using Queued invalidation
[ 1.433449] DMAR: Recommended TLB entries for ISOCH unit is 16; your
BIOS set 20
[ 1.433450] DMAR: Setting RMRR:
[ 1.433500] DMAR: Setting identity map for device 0000:00:1a.0
[0xbf7e8000 - 0xbf7fffff]
[ 1.433555] DMAR: Setting identity map for device 0000:00:1a.1
[0xbf7e8000 - 0xbf7fffff]
[ 1.433606] DMAR: Setting identity map for device 0000:00:1a.2
[0xbf7e8000 - 0xbf7fffff]
[ 1.433658] DMAR: Setting identity map for device 0000:00:1a.7
[0xbf7e8000 - 0xbf7fffff]
[ 1.433711] DMAR: Setting identity map for device 0000:00:1d.0
[0xbf7e8000 - 0xbf7fffff]
[ 1.433765] DMAR: Setting identity map for device 0000:00:1d.1
[0xbf7e8000 - 0xbf7fffff]
[ 1.433819] DMAR: Setting identity map for device 0000:00:1d.2
[0xbf7e8000 - 0xbf7fffff]
[ 1.433874] DMAR: Setting identity map for device 0000:00:1d.7
[0xbf7e8000 - 0xbf7fffff]
[ 1.433886] DMAR: Setting identity map for device 0000:00:1a.0 [0xec000
- 0xf3fff]
[ 1.433894] DMAR: Setting identity map for device 0000:00:1a.1 [0xec000
- 0xf3fff]
[ 1.433902] DMAR: Setting identity map for device 0000:00:1a.2 [0xec000
- 0xf3fff]
[ 1.433909] DMAR: Setting identity map for device 0000:00:1a.7 [0xec000
- 0xf3fff]
[ 1.433917] DMAR: Setting identity map for device 0000:00:1d.0 [0xec000
- 0xf3fff]
[ 1.433925] DMAR: Setting identity map for device 0000:00:1d.1 [0xec000
- 0xf3fff]
[ 1.433933] DMAR: Setting identity map for device 0000:00:1d.2 [0xec000
- 0xf3fff]
[ 1.433940] DMAR: Setting identity map for device 0000:00:1d.7 [0xec000
- 0xf3fff]
[ 1.433949] DMAR: Prepare 0-16MiB unity mapping for LPC
[ 1.433995] DMAR: Setting identity map for device 0000:00:1f.0 [0x0 -
0xffffff]
[ 1.434096] DMAR: Intel(R) Virtualization Technology for Directed I/O
[ 1.434139] iommu: Adding device 0000:00:00.0 to group 0
[ 1.434148] iommu: Adding device 0000:00:01.0 to group 1
[ 1.434156] iommu: Adding device 0000:00:02.0 to group 2
[ 1.434164] iommu: Adding device 0000:00:03.0 to group 3
[ 1.434173] iommu: Adding device 0000:00:05.0 to group 4
[ 1.434182] iommu: Adding device 0000:00:06.0 to group 5
[ 1.434190] iommu: Adding device 0000:00:07.0 to group 6
[ 1.434198] iommu: Adding device 0000:00:09.0 to group 7
[ 1.434205] iommu: Adding device 0000:00:0a.0 to group 8
[ 1.434232] iommu: Adding device 0000:00:14.0 to group 9
[ 1.434241] iommu: Adding device 0000:00:14.1 to group 9
[ 1.434249] iommu: Adding device 0000:00:14.2 to group 9
[ 1.434257] iommu: Adding device 0000:00:14.3 to group 9
[ 1.434282] iommu: Adding device 0000:00:1a.0 to group 10
[ 1.434290] iommu: Adding device 0000:00:1a.1 to group 10
[ 1.434298] iommu: Adding device 0000:00:1a.2 to group 10
[ 1.434306] iommu: Adding device 0000:00:1a.7 to group 10
[ 1.434314] iommu: Adding device 0000:00:1b.0 to group 11
[ 1.434349] iommu: Adding device 0000:00:1c.0 to group 12
[ 1.434360] iommu: Adding device 0000:00:1c.1 to group 12
[ 1.434370] iommu: Adding device 0000:00:1c.2 to group 12
[ 1.434381] iommu: Adding device 0000:00:1c.3 to group 12
[ 1.434392] iommu: Adding device 0000:00:1c.4 to group 12
[ 1.434416] iommu: Adding device 0000:00:1d.0 to group 13
[ 1.434425] iommu: Adding device 0000:00:1d.1 to group 13
[ 1.434433] iommu: Adding device 0000:00:1d.2 to group 13
[ 1.434441] iommu: Adding device 0000:00:1d.7 to group 13
[ 1.434450] iommu: Adding device 0000:00:1e.0 to group 14
[ 1.434470] iommu: Adding device 0000:00:1f.0 to group 15
[ 1.434479] iommu: Adding device 0000:00:1f.2 to group 15
[ 1.434488] iommu: Adding device 0000:00:1f.3 to group 15
[ 1.434497] iommu: Adding device 0000:0e:00.0 to group 16
[ 1.434507] iommu: Adding device 0000:0d:00.0 to group 17
[ 1.434517] iommu: Adding device 0000:0c:00.0 to group 18
[ 1.434521] iommu: Adding device 0000:06:00.0 to group 12
[ 1.434525] iommu: Adding device 0000:05:00.0 to group 12
[ 1.434529] iommu: Adding device 0000:04:00.0 to group 12
[ 1.434533] iommu: Adding device 0000:03:00.0 to group 12
[ 1.434537] iommu: Adding device 0000:02:00.0 to group 12
[ 1.434553] iommu: Adding device 0000:ff:00.0 to group 19
[ 1.434562] iommu: Adding device 0000:ff:00.1 to group 19
[ 1.434625] iommu: Adding device 0000:ff:02.0 to group 20
[ 1.434636] iommu: Adding device 0000:ff:02.1 to group 20
[ 1.434646] iommu: Adding device 0000:ff:02.2 to group 20
[ 1.434655] iommu: Adding device 0000:ff:02.3 to group 20
[ 1.434665] iommu: Adding device 0000:ff:02.4 to group 20
[ 1.434675] iommu: Adding device 0000:ff:02.5 to group 20
[ 1.434699] iommu: Adding device 0000:ff:03.0 to group 21
[ 1.434710] iommu: Adding device 0000:ff:03.1 to group 21
[ 1.434719] iommu: Adding device 0000:ff:03.2 to group 21
[ 1.434729] iommu: Adding device 0000:ff:03.4 to group 21
[ 1.434753] iommu: Adding device 0000:ff:04.0 to group 22
[ 1.434763] iommu: Adding device 0000:ff:04.1 to group 22
[ 1.434773] iommu: Adding device 0000:ff:04.2 to group 22
[ 1.434784] iommu: Adding device 0000:ff:04.3 to group 22
[ 1.434808] iommu: Adding device 0000:ff:05.0 to group 23
[ 1.434819] iommu: Adding device 0000:ff:05.1 to group 23
[ 1.434829] iommu: Adding device 0000:ff:05.2 to group 23
[ 1.434839] iommu: Adding device 0000:ff:05.3 to group 23
[ 1.434863] iommu: Adding device 0000:ff:06.0 to group 24
[ 1.434874] iommu: Adding device 0000:ff:06.1 to group 24
[ 1.434885] iommu: Adding device 0000:ff:06.2 to group 24
[ 1.434895] iommu: Adding device 0000:ff:06.3 to group 24
[ 1.435770] Scanning for low memory corruption every 60 seconds
[ 1.435989] futex hash table entries: 4096 (order: 6, 262144 bytes)
[ 1.436302] workingset: timestamp_bits=38 max_order=22 bucket_order=0
[ 1.437194] zbud: loaded
[ 1.437330] Key type big_key registered
[ 1.437492] Block layer SCSI generic (bsg) driver version 0.4 loaded
(major 249)
[ 1.437521] io scheduler noop registered
[ 1.437522] io scheduler deadline registered
[ 1.437539] io scheduler cfq registered (default)
[ 1.438235] pcieport 0000:00:1c.4: enabling device (0106 -> 0107)
[ 1.438346] pci_hotplug: PCI Hot Plug PCI Core version: 0.5
[ 1.438349] pciehp: PCI Express Hot Plug Controller Driver version: 0.4
[ 1.438357] vesafb: mode is 1280x1024x32, linelength=5120, pages=0
[ 1.438358] vesafb: scrolling: redraw
[ 1.438359] vesafb: Truecolor: size=8:8:8:8, shift=24:16:8:0
[ 1.438371] vesafb: framebuffer at 0xf9000000, mapped to
0xffffc90002000000, using 5120k, total 5120k
[ 1.575681] Console: switching to colour frame buffer device 160x64
[ 1.712788] fb0: VESA VGA frame buffer device
[ 1.712798] intel_idle: MWAIT substates: 0x1120
[ 1.712799] intel_idle: v0.4.1 model 0x2C
[ 1.713017] intel_idle: lapic_timer_reliable_states 0xffffffff
[ 1.713161] GHES: HEST is not enabled!
[ 1.713196] Serial: 8250/16550 driver, 4 ports, IRQ sharing disabled
[ 1.713431] Linux agpgart interface v0.103
[ 1.713932] rtc_cmos 00:01: RTC can wake from S4
[ 1.714018] rtc_cmos 00:01: rtc core: registered rtc_cmos as rtc0
[ 1.714037] rtc_cmos 00:01: alarms up to one month, y3k, 114 bytes
nvram, hpet irqs
[ 1.714045] ledtrig-cpu: registered to indicate activity on CPUs
[ 1.714256] NET: Registered protocol family 10
[ 1.714388] NET: Registered protocol family 17
[ 1.714643] microcode: CPU0 sig=0x206c2, pf=0x1, revision=0x13
[ 1.714690] microcode: CPU1 sig=0x206c2, pf=0x1, revision=0x13
[ 1.714695] microcode: CPU2 sig=0x206c2, pf=0x1, revision=0x13
[ 1.714719] microcode: CPU3 sig=0x206c2, pf=0x1, revision=0x13
[ 1.714755] microcode: CPU4 sig=0x206c2, pf=0x1, revision=0x13
[ 1.714799] microcode: CPU5 sig=0x206c2, pf=0x1, revision=0x13
[ 1.714841] microcode: CPU6 sig=0x206c2, pf=0x1, revision=0x13
[ 1.714883] microcode: CPU7 sig=0x206c2, pf=0x1, revision=0x13
[ 1.714886] microcode: CPU8 sig=0x206c2, pf=0x1, revision=0x13
[ 1.714890] microcode: CPU9 sig=0x206c2, pf=0x1, revision=0x13
[ 1.714924] microcode: CPU10 sig=0x206c2, pf=0x1, revision=0x13
[ 1.714967] microcode: CPU11 sig=0x206c2, pf=0x1, revision=0x13
[ 1.714991] microcode: Microcode Update Driver: v2.01 <
[email protected]>, Peter Oruba
[ 1.715149] registered taskstats version 1
[ 1.715161] zswap: loaded using pool lzo/zbud
[ 1.716530] Magic number: 4:236:993
[ 1.716533] machinecheck machinecheck6: hash matches
[ 1.716569] memory memory36: hash matches
[ 1.716842] rtc_cmos 00:01: setting system clock to 2016-06-16 15:59:07
UTC (1466092747)
[ 1.716863] PM: Hibernation image not present or could not be loaded.
[ 1.718128] Freeing unused kernel memory: 1244K (ffffffff818f6000 -
ffffffff81a2d000)
[ 1.718129] Write protecting the kernel read-only data: 8192k
[ 1.718748] Freeing unused kernel memory: 124K (ffff8800015e1000 -
ffff880001600000)
[ 1.719254] Freeing unused kernel memory: 212K (ffff8800017cb000 -
ffff880001800000)
[ 1.723477] random: systemd-tmpfile urandom read with 1 bits of entropy
available
[ 1.742833] i8042: PNP: No PS/2 controller found. Probing ports directly.
[ 1.743166] serio: i8042 KBD port at 0x60,0x64 irq 1
[ 1.743169] serio: i8042 AUX port at 0x60,0x64 irq 12
[ 1.746399] ACPI: bus type USB registered
On Thu, Jun 16, 2016 at 2:29 PM, Joerg Roedel <[email protected]> wrote:
> On Thu, Jun 16, 2016 at 10:26:20AM +0400, Dheeraj CVR wrote:
> > I have added some debugging code to see where exactly the hang happens.
> The
> > set_root_entry call works fine without any issues as you have expected.
> > However, the hang happens when calling flush_context.
> >
> > flush_context -> qi_flush_context -> qi_submit_sync
> >
> > The loop "while (qi->desc_status[wait_index] != QI_DONE) {}" in
> > "qi_submit_sync" executes indefinitely and the control doesn't break.
> Hence, "
> > iommu->flush.flush_context()" never returns.
> >
> > Tested on 2 X58 Motherboards and both hang at the same place with
> intel_iommu=
> > on.
> >
> > Hope this helps.
>
> Hmm, okay. Yesterday I tried to reproduce the problem on a box in our
> test-lab which has the same chipset. The bug didn't show up there, and
> one difference to your machine is that is only has one iommu instead of
> two.
>
> This brought me to another difference the patch made: Before the patch
> QI was enabled on all iommus before the root entry was set and the
> caches flushed. With the patch QI is enabled in the same loop that sets
> the root entry and tries to flush. Maybe that is the problem on this
> chipset.
>
> Can you please try the attached diff? It is just a guess, but maybe that
> is the problem.
>
> Thanks,
>
> Joerg
>
> diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
> index a644d0c..0ddbb6a 100644
> --- a/drivers/iommu/intel-iommu.c
> +++ b/drivers/iommu/intel-iommu.c
> @@ -3222,11 +3222,6 @@ static int __init init_dmars(void)
> }
> }
>
> - iommu_flush_write_buffer(iommu);
> - iommu_set_root_entry(iommu);
> - iommu->flush.flush_context(iommu, 0, 0, 0,
> DMA_CCMD_GLOBAL_INVL);
> - iommu->flush.flush_iotlb(iommu, 0, 0, 0,
> DMA_TLB_GLOBAL_FLUSH);
> -
> if (!ecap_pass_through(iommu->ecap))
> hw_pass_through = 0;
> #ifdef CONFIG_INTEL_IOMMU_SVM
> @@ -3235,6 +3230,17 @@ static int __init init_dmars(void)
> #endif
> }
>
> + /*
> + * Now that qi is enabled on all iommus, set the root entry and
> flush
> + * caches.
> + */
> + for_each_active_iommu(iommu, drhd) {
> + iommu_flush_write_buffer(iommu);
> + iommu_set_root_entry(iommu);
> + iommu->flush.flush_context(iommu, 0, 0, 0,
> DMA_CCMD_GLOBAL_INVL);
> + iommu->flush.flush_iotlb(iommu, 0, 0, 0,
> DMA_TLB_GLOBAL_FLUSH);
> + }
> +
> if (iommu_pass_through)
> iommu_identity_mapping |= IDENTMAP_ALL;
>
>
>
--
Regards,
Dheeraj CVR.
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