Xen project Mailing List

Re: [Xen-devel] fail to detect VT-D on Dell (optiplex 760)

To: "Dennis Lan (dlan)" <dennis.yxun@xxxxxxxxx>

From: "Zhang, Yang Z" <yang.z.zhang@xxxxxxxxx>

Date: Thu, 1 Aug 2013 06:34:36 +0000

Accept-language: en-US

Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, IAN DELANEY <della5@xxxxxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>

Delivery-date: Thu, 01 Aug 2013 06:35:14 +0000

List-id: Xen developer discussion <xen-devel.lists.xen.org>

Thread-index: AQHOjd8+s1RDwUsu9EOqyQrIYC0Fupl+KaQAgAGDAFD//7ErgIAAh9wA

Thread-topic: [Xen-devel] fail to detect VT-D on Dell (optiplex 760)

Dennis Lan (dlan) wrote on 2013-08-01: > HI Zhang, Andrew: > Here is my report. > I upgrade the BIOS from version A00 to A15, and the configuration > of "VT-D" is gone (also there is no kind of virtualization setting). > I'm not sure whether this feature is removed or enabled by default. > and I haven't seen the error messages from the Xen log [1] > (XEN) ACPI: HPET id: 0x8086a701 base: 0xfed00000 > ...(lines between this two are gone) > (XEN) ERST table was not found > (XEN) I/O virtualisation disabled This means the VT-d is disabled by BIOS. Did you ever successfully to boot Xen in this machine? > Dennis Lan (dlan) > > On Thu, Aug 1, 2013 at 11:08 AM, Zhang, Yang Z <yang.z.zhang@xxxxxxxxx> > wrote: >> Andrew Cooper wrote on 2013-07-31: >>> On 31/07/13 12:13, Dennis Lan (dlan) wrote: >>>> HI Devs: >>>> I have problem to boot with VT-D enabled on my machine, with >>>> Xen-4.3.0, it just hangs[0]. But with 4.4-unstable version, it >>>> boot successfully but still fail to detect iommu. >>>> >>>> I'm using xen-git master branch,commit: >>>> 6072b7c808043b6886c33f896e06fc32ee28346e >>>> >>>> also you can refer [1] for more information. >>>> interesting bits from xen-4.4-unstable, full log is here[2] >>>> >>>> (XEN) vmap(ffff82c000201000:0x1) >>>> (XEN) [VT-D]iommu.c:1167: IOMMU: unsupported >>>> (XEN) ---- print_iommu_regs ---- >>>> (XEN) drhd->address = fedc1000 >>>> (XEN) VER = ffffffff >>>> (XEN) CAP = ffffffffffffffff >>>> (XEN) n_fault_reg = 100 >>>> (XEN) fault_recording_offset = 3ff0 >>>> (XEN) ECAP = ffffffffffffffff >>>> (XEN) GCMD = ffffffff >>>> (XEN) GSTS = ffffffff >>>> (XEN) RTADDR = ffffffffffffffff >>>> (XEN) CCMD = ffffffffffffffff >>>> (XEN) FSTS = ffffffff >>>> (XEN) FECTL = ffffffff >>>> (XEN) FEDATA = ffffffff >>>> (XEN) FEADDR = ffffffff >>>> (XEN) FEUADDR = ffffffff >>>> (XEN) vunmap(ffff82c000201000:0x1) >>>> (XEN) Failed to parse ACPI DMAR. Disabling VT-d. >>>> (XEN) ERST table was not found >>>> (XEN) Using ACPI (MADT) for SMP configuration information >>> >>> According to this, the DMAR table is problematic. This is the ACPI >>> table which describes the IOMMU functionality. Do you have a BIOS > upgrade available? >> Yes, the ACPI table is broken. It's better to dump the DMAR to have a >> double chek. >> > > Still, is this a software issue (the BIOS?) or the hardware issue (the > mainboard) ? > Is there any documents about how to dump DMAR register? > thanks > > >>>> >>>> btw, Ian, I also keep you CCed. >>>> >>>> [0] https://bugs.gentoo.org/show_bug.cgi?id=479082#c3 >>>> [1] https://bugs.gentoo.org/show_bug.cgi?id=479082 >>>> [2] https://479082.bugs.gentoo.org/attachment.cgi?id=354706 >>>> >>>> Dennis Lan (dlan) >>>> >>>> _______________________________________________ >>>> Xen-devel mailing list >>>> Xen-devel@xxxxxxxxxxxxx >>>> http://lists.xen.org/xen-devel >>> >>> >>> _______________________________________________ >>> Xen-devel mailing list >>> Xen-devel@xxxxxxxxxxxxx >>> http://lists.xen.org/xen-devel >> >> >> Best regards, >> Yang >> >> > > > XEN full log > > _ > \ \/ /___ _ __ | || | | || | _ _ _ __ ___| |_ __ _| |__ | | ___ > \ // _ \ '_ \ | || |_| || |_ __| | | | '_ \/ __| __/ _` | '_ \| |/ _ \ > / \ __/ | | | |__ _|__ _|__| |_| | | | \__ \ || (_| | |_) | | __/ > /_/\_\___|_| |_| |_|(_) |_| \__,_|_| > |_|___/\__\__,_|_.__/|_|\___| > > (XEN) Xen version 4.4-unstable (@) (gcc (Gentoo 4.8.1 p1.0, pie-0.5.6) > 4.8.1) debug=y Wed Jul 31 18:44:00 CST 2013 (XEN) Latest ChangeSet: Tue > Jul 30 00:18:28 2013 +0100 git:6072b7c-dirty (XEN) Bootloader: GRUB 2.00 > (XEN) Command line: loglvl=all guest_loglvl=all com1=115200,8n1 > console=com1 (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 4 MBR signatures (XEN) Found 4 EDD > information structures (XEN) Xen-e820 RAM map: (XEN) 0000000000000000 - > 000000000009ec00 (usable) (XEN) 00000000000f0000 - 0000000000100000 > (reserved) (XEN) 0000000000100000 - 00000000bdbffc00 (usable) (XEN) > 00000000bdbffc00 - 00000000bdc53c00 (ACPI NVS) (XEN) 00000000bdc53c00 - > 00000000bdc55c00 (ACPI data) (XEN) 00000000bdc55c00 - 00000000c0000000 > (reserved) (XEN) 00000000f8000000 - 00000000fc000000 (reserved) (XEN) > 00000000fec00000 - 00000000fed00400 (reserved) (XEN) 00000000fed20000 - > 00000000feda0000 (reserved) (XEN) 00000000fee00000 - 00000000fef00000 > (reserved) (XEN) 00000000ffb00000 - 0000000100000000 (reserved) (XEN) > 0000000100000000 - 0000000238000000 (usable) (XEN) ACPI: RSDP 000FEC00, > 0024 (r2 DELL ) (XEN) ACPI: XSDT 000FC924, 0094 (r1 DELL B10K > 15 ASL 61) (XEN) ACPI: FACP 000FCA4C, 00F4 (r3 DELL B10K > 15 ASL 61) (XEN) ACPI: DSDT FFF20BAB, 5655 (r1 DELL dt_ex 1000 > INTL 20050624) (XEN) ACPI: FACS BDBFFC00, 0040 (XEN) ACPI: SSDT > FFF2631F, 00AA (r1 DELL st_ex 1000 INTL 20050624) (XEN) ACPI: > APIC 000FCB40, 0092 (r1 DELL B10K 15 ASL 61) (XEN) ACPI: > BOOT 000FCBD2, 0028 (r1 DELL B10K 15 ASL 61) (XEN) ACPI: > ASF! 000FCBFA, 0096 (r32 DELL B10K 15 ASL 61) (XEN) ACPI: > MCFG 000FCC90, 003C (r1 DELL B10K 15 ASL 61) (XEN) ACPI: > HPET 000FCCCC, 0038 (r1 DELL B10K 15 ASL 61) (XEN) ACPI: > TCPA 000FCF28, 0032 (r1 DELL B10K 15 ASL 61) (XEN) ACPI: > SLIC 000FCD04, 0176 (r1 DELL B10K 15 ASL 61) (XEN) ACPI: > SSDT BDBFFC40, 0175 (r1 DpgPmm Cpu0Ist 11 INTL 20050624) (XEN) > ACPI: SSDT BDC00049, 0175 (r1 DpgPmm Cpu1Ist 11 INTL 20050624) > (XEN) ACPI: SSDT BDC00452, 0175 (r1 DpgPmm Cpu2Ist 11 INTL > 20050624) (XEN) ACPI: SSDT BDC0085B, 0175 (r1 DpgPmm Cpu3Ist 11 > INTL 20050624) (XEN) ACPI: SSDT BDC00C64, 0190 (r1 DpgPmm CpuPm > 10 INTL 20050624) (XEN) System RAM: 8027MB (8220276kB) (XEN) No NUMA > configuration found (XEN) Faking a node at > 0000000000000000-0000000238000000 (XEN) Domain heap initialised (XEN) > found SMP MP-table at 000fe710 (XEN) DMI 2.5 present. (XEN) Using APIC > driver default (XEN) ACPI: PM-Timer IO Port: 0x808 (XEN) ACPI: SLEEP > INFO: pm1x_cnt[804,0], pm1x_evt[800,0] (XEN) ACPI: > wakeup_vec[bdbffc0c], vec_size[20] (XEN) ACPI: Local APIC address > 0xfee00000 (XEN) ACPI: LAPIC (acpi_id[0x01] lapic_id[0x00] enabled) > (XEN) Processor #0 7:7 APIC version 20 (XEN) ACPI: LAPIC (acpi_id[0x02] > lapic_id[0x01] enabled) (XEN) Processor #1 7:7 APIC version 20 (XEN) > ACPI: LAPIC (acpi_id[0x03] lapic_id[0x02] enabled) (XEN) Processor #2 > 7:7 APIC version 20 (XEN) ACPI: LAPIC (acpi_id[0x04] lapic_id[0x03] > enabled) (XEN) Processor #3 7:7 APIC version 20 (XEN) ACPI: LAPIC > (acpi_id[0x05] lapic_id[0x00] disabled) (XEN) ACPI: LAPIC (acpi_id[0x06] > lapic_id[0x01] disabled) (XEN) ACPI: LAPIC (acpi_id[0x07] lapic_id[0x02] > disabled) (XEN) ACPI: LAPIC (acpi_id[0x08] lapic_id[0x03] disabled) > (XEN) ACPI: LAPIC_NMI (acpi_id[0xff] high level lint[0x1]) (XEN) ACPI: > IOAPIC (id[0x08] address[0xfec00000] gsi_base[0]) (XEN) IOAPIC[0]: > apic_id 8, 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 (4 hotplug CPUs) (XEN) IRQ limits: 24 GSI, > 760 MSI/MSI-X (XEN) Using scheduler: SMP Credit Scheduler (credit) (XEN) > Detected 2327.242 MHz processor. (XEN) Initing memory sharing. (XEN) > mce_intel.c:717: MCA Capability: BCAST 1 SER 0 CMCI 0 firstbank 1 > extended MCE MSR 0 (XEN) Intel machine check reporting enabled (XEN) > PCI: MCFG configuration 0: base f8000000 segment 0000 buses 00 - 3f > (XEN) PCI: MCFG area at f8000000 reserved in E820 (XEN) PCI: Using MCFG > for segment 0000 bus 00-3f (XEN) I/O virtualisation disabled (XEN) > ENABLING IO-APIC IRQs (XEN) -> Using new ACK method (XEN) ..TIMER: > vector=0xF0 apic1=0 pin1=2 apic2=-1 pin2=-1 (XEN) Platform timer is > 14.318MHz HPET (XEN) Allocated console ring of 32 KiB. (XEN) mwait-idle: > does not run on family 6 model 23 (XEN) Brought up 4 CPUs (XEN) HPET: 8 > timers (8 will be used for broadcast) (XEN) ACPI sleep modes: S3 (XEN) > mcheck_poll: Machine check polling timer started. (XEN) *** LOADING > DOMAIN 0 *** (XEN) elf_parse_binary: phdr: paddr=0x1000000 > memsz=0x947000 (XEN) elf_parse_binary: phdr: paddr=0x1947000 > memsz=0xca0f0 (XEN) elf_parse_binary: phdr: paddr=0x1a12000 > memsz=0x145c0 (XEN) elf_parse_binary: phdr: paddr=0x1a27000 > memsz=0x659000 (XEN) elf_parse_binary: memory: 0x1000000 -> 0x2080000 > (XEN) elf_xen_parse_note: GUEST_OS = "linux" (XEN) elf_xen_parse_note: > GUEST_VERSION = "2.6" (XEN) elf_xen_parse_note: XEN_VERSION = "xen-3.0" > (XEN) elf_xen_parse_note: VIRT_BASE = 0xffffffff80000000 (XEN) > elf_xen_parse_note: ENTRY = 0xffffffff81a271e0 (XEN) elf_xen_parse_note: > HYPERCALL_PAGE = 0xffffffff81001000 (XEN) elf_xen_parse_note: FEATURES = > "!writable_page_tables|pae_pgdir_above_4gb" (XEN) elf_xen_parse_note: > PAE_MODE = "yes" (XEN) elf_xen_parse_note: LOADER = "generic" (XEN) > elf_xen_parse_note: unknown xen elf note (0xd) (XEN) elf_xen_parse_note: > SUSPEND_CANCEL = 0x1 (XEN) elf_xen_parse_note: HV_START_LOW = > 0xffff800000000000 (XEN) elf_xen_parse_note: PADDR_OFFSET = 0x0 (XEN) > elf_xen_addr_calc_check: addresses: (XEN) virt_base = > 0xffffffff80000000 (XEN) elf_paddr_offset = 0x0 (XEN) > virt_offset = 0xffffffff80000000 (XEN) virt_kstart = > 0xffffffff81000000 (XEN) virt_kend = 0xffffffff82080000 (XEN) > virt_entry = 0xffffffff81a271e0 (XEN) p2m_base = > 0xffffffffffffffff (XEN) Xen kernel: 64-bit, lsb, compat32 (XEN) Dom0 > kernel: 64-bit, PAE, lsb, paddr 0x1000000 -> 0x2080000 (XEN) PHYSICAL > MEMORY ARRANGEMENT: (XEN) Dom0 alloc.: > 000000022c000000->0000000230000000 (1981399 pages to be allocated) (XEN) > Init. ramdisk: 0000000237cb0000->0000000237fffcbc (XEN) VIRTUAL MEMORY > ARRANGEMENT: (XEN) Loaded kernel: ffffffff81000000->ffffffff82080000 > (XEN) Init. ramdisk: ffffffff82080000->ffffffff823cfcbc (XEN) > Phys-Mach map: ffffffff823d0000->ffffffff8330f938 (XEN) Start info: > ffffffff83310000->ffffffff833104b4 (XEN) Page tables: > ffffffff83311000->ffffffff8332e000 (XEN) Boot stack: > ffffffff8332e000->ffffffff8332f000 (XEN) TOTAL: > ffffffff80000000->ffffffff83400000 (XEN) ENTRY ADDRESS: > ffffffff81a271e0 (XEN) Dom0 has maximum 4 VCPUs (XEN) elf_load_binary: > phdr 0 at 0xffffffff81000000 -> 0xffffffff81947000 (XEN) > elf_load_binary: phdr 1 at 0xffffffff81947000 -> 0xffffffff81a110f0 > (XEN) elf_load_binary: phdr 2 at 0xffffffff81a12000 -> > 0xffffffff81a265c0 (XEN) elf_load_binary: phdr 3 at 0xffffffff81a27000 > -> 0xffffffff81b47000 (XEN) Scrubbing Free RAM: .done. (XEN) Initial low > memory virq threshold set at 0x4000 pages. (XEN) Std. Loglevel: All > (XEN) Guest Loglevel: All (XEN) *** Serial input -> DOM0 (type 'CTRL-a' > three times to switch input to Xen) (XEN) Freed 252kB init memory. > mapping kernel into physical memory about to get started... (XEN) > vmap(ffff82c000201000:0x1) (XEN) vmap(ffff82c000203000:0x1) (XEN) > vmap(ffff82c000205000:0x1) (XEN) vmap(ffff82c000207000:0x1) (XEN) > vmap(ffff82c000209000:0x1) (XEN) PCI add device 0000:00:00.0 (XEN) PCI > add device 0000:00:01.0 (XEN) PCI add device 0000:00:02.0 (XEN) PCI add > device 0000:00:02.1 (XEN) PCI add device 0000:00:03.0 (XEN) PCI add > device 0000:00:03.2 (XEN) PCI add device 0000:00:03.3 (XEN) PCI add > device 0000:00:19.0 (XEN) PCI add device 0000:00:1a.0 (XEN) PCI add > device 0000:00:1a.1 (XEN) PCI add device 0000:00:1a.2 (XEN) PCI add > device 0000:00:1a.7 (XEN) PCI add device 0000:00:1b.0 (XEN) PCI add > device 0000:00:1c.0 (XEN) PCI add device 0000:00:1c.1 (XEN) PCI add > device 0000:00:1d.0 (XEN) PCI add device 0000:00:1d.1 (XEN) PCI add > device 0000:00:1d.2 (XEN) PCI add device 0000:00:1d.7 (XEN) PCI add > device 0000:00:1e.0 (XEN) PCI add device 0000:00:1f.0 (XEN) PCI add > device 0000:00:1f.2 (XEN) PCI add device 0000:00:1f.3 Best regards, Yang _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel

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