Re: [Xen-devel] pv_ops dom0 testing

[Boris Derzhavets <bderzhavets@xxxxxxxxx>]

--- On Wed, 12/3/08, Andrew Lyon <andrew.lyon@xxxxxxxxx> wrote:

From: Andrew Lyon <andrew.lyon@xxxxxxxxx>
Subject: Re: [Xen-devel] pv_ops dom0 testing
To: deshantm@xxxxxxxxx
Cc: "Jeremy Fitzhardinge" <jeremy@xxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxx
Date: Wednesday, December 3, 2008, 12:10 PM

On Wed, Dec 3, 2008 at 4:43 PM, Todd Deshane <deshantm@xxxxxxxxx> wrote:
>
>
>> I had the system setup to output to serial and vga console
>> (console=vga,com1) but it seems that the vga console only displays Xen
>> debug messages,
>
> Here is my grub debug setup for reference
>
> title           Xen 3.4-unstable DEBUG/ Ubuntu 8.10, kernel
 2.6.28-rc6-tip
> root            (hd0,0)
> kernel          /boot/xen-3.4-unstable.gz loglvl=all guest_loglvl=all
> com1=115200,8n1 console=com1 mem=3G
> module          /boot/vmlinuz-2.6.28-rc6-tip root=/dev/sda1 ro
console=hvc0
> earlyprintk=xen xencons=ttyS0,115200 nousb
> module          /boot/initrd.img-2.6.28-rc6-tip
>
>
>>
>> I hooked up a null modem cable and I've now captured
>> the full xen and linux dmesg, it appears that the onboard intel ahci
>> sata is not working so the kernel is unable to run init:
>>
>>  __  __            _____  _____  ___
>>
>>  \ \/ /___ _ __   |___ / |___ / / _ \
>>
>>  \  // _ \ '_ \    |_ \   |_ \| | | |
>>
>>  /  \  __/ | | |  ___) | ___) | |_| |
>>
>>  /_/\_\___|_| |_| |____(_)____(_)___/
>>
>>
>>
>>
 (XEN) Xen version 3.3.0 (root@(none)) (gcc version 4.1.2 (Gentoo 4.1.2
>> p1.0.2)) Tue Dec  2 15:55:55 GMT 2008
>>
>> (XEN) Latest ChangeSet: unavailable
>>
>> (XEN) Command line: com1=115200,8n1 console=vga,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 1 MBR signatures
>>
>> (XEN)  Found 1 EDD information structures
>>
>> (XEN) Xen-e820 RAM map:
>>
>> (XEN)  0000000000000000 - 000000000009ec00 (usable)
>>
>> (XEN)  00000000000f0000 - 0000000000100000 (reserved)
>>
>> (XEN)  0000000000100000 - 00000000cfdff800 (usable)
>>
>> (XEN)  00000000cfdff800 - 00000000cfe53c00
 (ACPI NVS)
>>
>> (XEN)  00000000cfe53c00 - 00000000cfe55c00 (ACPI data)
>>
>> (XEN)  00000000cfe55c00 - 00000000d0000000 (reserved)
>>
>> (XEN)  00000000e0000000 - 00000000f0000000 (reserved)
>>
>> (XEN)  00000000fec00000 - 00000000fed00400 (reserved)
>>
>> (XEN)  00000000fed20000 - 00000000feda0000 (reserved)
>>
>> (XEN)  00000000fee00000 - 00000000fef00000 (reserved)
>>
>> (XEN)  00000000ffb00000 - 0000000100000000 (reserved)
>>
>> (XEN)  0000000100000000 - 0000000128000000 (usable)
>>
>> (XEN) System RAM: 3965MB (4060788kB)
>>
>> (XEN) ACPI: RSDP 000FEC00, 0024 (r2 DELL  )
>>
>> (XEN) ACPI: XSDT 000FC5B3, 008C (r1 DELL    B9K           15 ASL
>>  61)
>>
>> (XEN) ACPI: FACP 000FC6E3, 00F4 (r3 DELL    B9K           15
 ASL
>>  61)
>>
>> (XEN) ACPI: DSDT FFF76B39, 4596 (r1   DELL    dt_ex     1000 INTL
>> 20050624)
>>
>> (XEN) ACPI: FACS CFDFF800, 0040
>>
>> (XEN) ACPI: SSDT FFF7B1EE, 00AA (r1   DELL    st_ex     1000 INTL
>> 20050624)
>>
>> (XEN) ACPI: APIC 000FC7D7, 0092 (r1 DELL    B9K           15 ASL
>>  61)
>>
>> (XEN) ACPI: BOOT 000FC869, 0028 (r1 DELL    B9K           15 ASL
>>  61)
>>
>> (XEN) ACPI: ASF! 000FC891, 0096 (r32 DELL    B9K           15 ASL
>>  61)
>>
>> (XEN) ACPI: MCFG 000FC927, 003E (r1 DELL    B9K           15 ASL
>>  61)
>>
>> (XEN) ACPI: HPET 000FC965, 0038 (r1 DELL    B9K           15 ASL
>>  61)
>>
>> (XEN) ACPI: TCPA 000FCBC1, 0032 (r1 DELL    B9K           15 ASL
>>  61)
>>
>> (XEN)
 ACPI: DMAR 000FCBF3, 00D0 (r1 DELL    B9K           15 ASL
>>  61)
>>
>> (XEN) ACPI: SLIC 000FC99D, 0176 (r1 DELL    B9K           15 ASL
>>  61)
>>
>> (XEN) ACPI: SSDT CFDFF840, 01F9 (r1 DpgPmm  Cpu0Ist       11 INTL
>> 20050624)
>>
>> (XEN) ACPI: SSDT CFDFFC49, 01F9 (r1 DpgPmm  Cpu1Ist       11 INTL
>> 20050624)
>>
>> (XEN) ACPI: SSDT CFE00052, 0140 (r1 DpgPmm    CpuPm       10 INTL
>> 20050624)
>>
>> (XEN) Xen heap: 14MB (14632kB)
>>
>> (XEN) Domain heap initialised
>>
>> (XEN) Processor #0 6:15 APIC version 20
>>
>> (XEN) Processor #1 6:15 APIC version 20
>>
>> (XEN) IOAPIC[0]: apic_id 8, version 32, address 0xfec00000, GSI 0-23
>>
>> (XEN) Enabling APIC mode:  Flat.  Using 1 I/O APICs
>>
>> (XEN) Using
 scheduler: SMP Credit Scheduler (credit)
>>
>> (XEN) Detected 2394.042 MHz processor.
>>
>> (XEN) HVM: VMX enabled
>>
>> (XEN) CPU0: Intel(R) Core(TM)2 CPU          6600  @ 2.40GHz stepping
06
>>
>> (XEN) Booting processor 1/1 eip 8c000
>>
>> (XEN) CPU1: Intel(R) Core(TM)2 CPU          6600  @ 2.40GHz stepping
06
>>
>> (XEN) Total of 2 processors activated.
>>
>> (XEN) ENABLING IO-APIC IRQs
>>
>> (XEN)  -> Using new ACK method
>>
>> (XEN) checking TSC synchronization across 2 CPUs: passed.
>>
>> (XEN) Platform timer is 14.318MHz HPET
>>
>> (XEN) Brought up 2 CPUs
>>
>> (XEN) I/O virtualisation disabled
>>
>> (XEN) *** LOADING DOMAIN 0 ***
>>
>> (XEN)  Xen  kernel: 64-bit, lsb,
 compat32
>>
>> (XEN)  Dom0 kernel: 64-bit, PAE, lsb, paddr 0x200000 -> 0x777e68
>>
>> (XEN) PHYSICAL MEMORY ARRANGEMENT:
>>
>> (XEN)  Dom0 alloc.:   0000000123000000->0000000124000000 (958126
pages
>> to be allocated)
>>
>> (XEN) VIRTUAL MEMORY ARRANGEMENT:
>>
>> (XEN)  Loaded kernel: ffffffff80200000->ffffffff80777e68
>>
>> (XEN)  Init. ramdisk: ffffffff80778000->ffffffff80778000
>>
>> (XEN)  Phys-Mach map: ffffffff80778000->ffffffff80ecf570
>>
>> (XEN)  Start info:    ffffffff80ed0000->ffffffff80ed04a4
>>
>> (XEN)  Page tables:   ffffffff80ed1000->ffffffff80edc000
>>
>> (XEN)  Boot stack:    ffffffff80edc000->ffffffff80edd000
>>
>> (XEN)  TOTAL:         ffffffff80000000->ffffffff81000000
>>
>> (XEN) 
 ENTRY ADDRESS: ffffffff8064f200
>>
>> (XEN) Dom0 has maximum 2 VCPUs
>>
>> (XEN) Scrubbing Free RAM: .done.
>>
>> (XEN) Xen trace buffers: disabled
>>
>> (XEN) Std. Loglevel: Errors and warnings
>>
>> (XEN) Guest Loglevel: Nothing (Rate-limited: Errors and warnings)
>>
>> (XEN) Xen is relinquishing VGA console.
>>
>> (XEN) *** Serial input -> DOM0 (type 'CTRL-a' three times
to switch
>> input to Xen)
>>
>> (XEN) Freed 108kB init memory.
>>
>> mapping kernel into physical memory
>>
>> Xen: setup ISA identity maps
>>
>> about to get started...
>>
>> PAT disabled on Xen
>>
>> Linux version 2.6.28-rc6-tip (root@optiplex755) (gcc version 4.1.2
>> (Gentoo 4.1.2 p1.0.2)) #2 SMP Wed Dec 3 15:24:08 GMT
 2008
>>
>> Command line: root=/dev/sda2 console=hvc0 earlyprintk=xen
>>
>> KERNEL supported cpus:
>>
>>  Intel GenuineIntel
>>
>>  AMD AuthenticAMD
>>
>>  Centaur CentaurHauls
>>
>> BIOS-provided physical RAM map:
>>
>>  Xen: 0000000000000000 - 00000000000a0000 (usable)
>>
>>  Xen: 00000000000a0000 - 0000000000100000 (reserved)
>>
>>  Xen: 0000000000100000 - 0000000000778000 (usable)
>>
>>  Xen: 0000000000778000 - 0000000000ed1000 (reserved)
>>
>>  Xen: 0000000000ed1000 - 00000000eaeae000 (usable)
>>
>> console [xenboot0] enabled
>>
>> DMI 2.5 present.
>>
>> last_pfn = 0xeaeae max_arch_pfn = 0x3ffffffff
>>
>> init_memory_mapping: 0000000000000000-00000000eaeae000
>>
>>
 last_map_addr: eaeae000 end: eaeae000
>>
>> ACPI: RSDP 000FEC00, 0024 (r2 DELL  )
>>
>> ACPI: XSDT 000FC5B3, 008C (r1 DELL    B9K           15 ASL        61)
>>
>> ACPI: FACP 000FC6E3, 00F4 (r3 DELL    B9K           15 ASL        61)
>>
>> ACPI: DSDT FFF76B39, 4596 (r1   DELL    dt_ex     1000 INTL 20050624)
>>
>> ACPI: FACS CFDFF800, 0040
>>
>> ACPI: SSDT FFF7B1EE, 00AA (r1   DELL    st_ex     1000 INTL 20050624)
>>
>> ACPI: APIC 000FC7D7, 0092 (r1 DELL    B9K           15 ASL        61)
>>
>> ACPI: BOOT 000FC869, 0028 (r1 DELL    B9K           15 ASL        61)
>>
>> ACPI: ASF! 000FC891, 0096 (r32 DELL    B9K           15 ASL        61)
>>
>> ACPI: MCFG 000FC927, 003E (r1 DELL    B9K           15 ASL        61)
>>
>> ACPI: HPET 000FC965, 0038 (r1 DELL   
 B9K           15 ASL        61)
>>
>> ACPI: TCPA 000FCBC1, 0032 (r1 DELL    B9K           15 ASL        61)
>>
>> ACPI: DMAR 000FCBF3, 00D0 (r1 DELL    B9K           15 ASL        61)
>>
>> ACPI: SLIC 000FC99D, 0176 (r1 DELL    B9K           15 ASL        61)
>>
>> ACPI: SSDT CFDFF840, 01F9 (r1 DpgPmm  Cpu0Ist       11 INTL 20050624)
>>
>> ACPI: SSDT CFDFFC49, 01F9 (r1 DpgPmm  Cpu1Ist       11 INTL 20050624)
>>
>> ACPI: SSDT CFE00052, 0140 (r1 DpgPmm    CpuPm       10 INTL 20050624)
>>
>> ACPI: DMI detected: Dell OptiPlex 755
>>
>> (5 early reservations) ==> bootmem [0000000000 - 00eaeae000]
>>
>>  #0 [0000000000 - 0000001000]   BIOS data page ==> [0000000000 -
>> 0000001000]
>>
>>  #1 [0000006000 - 0000008000]       TRAMPOLINE ==> [0000006000 -
>>
 0000008000]
>>
>>  #2 [0000ed1000 - 0000edc000]   XEN PAGETABLES ==> [0000ed1000 -
>> 0000edc000]
>>
>>  #3 [0000200000 - 0000777e68]    TEXT DATA BSS ==> [0000200000 -
>> 0000777e68]
>>
>>  #4 [0000edc000 - 000162b000]          PGTABLE ==> [0000edc000 -
>> 000162b000]
>>
>> found SMP MP-table at [ffff8800000fe710] 000fe710
>>
>> Zone PFN ranges:
>>
>>  DMA      0x00000000 -> 0x00001000
>>
>>  DMA32    0x00001000 -> 0x00100000
>>
>>  Normal   0x00100000 -> 0x00100000
>>
>> Movable zone start PFN for each node
>>
>> early_node_map[3] active PFN ranges
>>
>>    0: 0x00000000 -> 0x000000a0
>>
>>    0: 0x00000100 -> 0x00000778
>>
>>    0: 0x00000ed1 ->
 0x000eaeae
>>
>> ACPI: PM-Timer IO Port: 0x808
>>
>> ACPI: LAPIC (acpi_id[0x01] lapic_id[0x00] enabled)
>>
>> ACPI: LAPIC (acpi_id[0x02] lapic_id[0x01] enabled)
>>
>> ACPI: LAPIC (acpi_id[0x03] lapic_id[0x05] disabled)
>>
>> ACPI: LAPIC (acpi_id[0x04] lapic_id[0x07] disabled)
>>
>> ACPI: LAPIC (acpi_id[0x05] lapic_id[0x00] disabled)
>>
>> ACPI: LAPIC (acpi_id[0x06] lapic_id[0x01] disabled)
>>
>> ACPI: LAPIC (acpi_id[0x07] lapic_id[0x02] disabled)
>>
>> ACPI: LAPIC (acpi_id[0x08] lapic_id[0x03] disabled)
>>
>> ACPI: LAPIC_NMI (acpi_id[0xff] high level lint[0x1])
>>
>> ACPI: IOAPIC (id[0x08] address[0xfec00000] gsi_base[0])
>>
>> IOAPIC[0]: apic_id 8, version 0, address 0xfec00000, GSI 0-23
>>
>> ACPI: INT_SRC_OVR (bus 0
 bus_irq 0 global_irq 2 dfl dfl)
>>
>> ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)
>>
>> ACPI: HPET id: 0x8086a301 base: 0xfed00000
>>
>> Using ACPI (MADT) for SMP configuration information
>>
>> SMP: Allowing 2 CPUs, 0 hotplug CPUs
>>
>> (XEN) ioapic_guest_write: apic=0, pin=2, old_irq=0, new_irq=-1
>>
>> (XEN) ioapic_guest_write: old_entry=000009f0, new_entry=00010900
>>
>> (XEN) ioapic_guest_write: Attempt to remove IO-APIC pin of in-use IRQ!
>>
>> (XEN) ioapic_guest_write: apic=0, pin=4, old_irq=4, new_irq=-1
>>
>> (XEN) ioapic_guest_write: old_entry=000009f1, new_entry=00010900
>>
>> (XEN) ioapic_guest_write: Attempt to remove IO-APIC pin of in-use IRQ!
>>
>> Allocating PCI resources starting at ec000000 (gap:
 eaeae000:15152000)
>>
>> PERCPU: Allocating 57344 bytes of per cpu data
>>
>> Built 1 zonelists in Zone order, mobility grouping on.  Total pages:
>> 945674
>>
>> Kernel command line: root=/dev/sda2 console=hvc0 earlyprintk=xen
>>
>> Initializing CPU#0
>>
>> xen: allocated irq 9 for acpi 9
>>
>> PID hash table entries: 4096 (order: 12, 32768 bytes)
>>
>> Detected 2394.042 MHz processor.
>>
>> Console: colour dummy device 80x25
>>
>> console handover: boot [xenboot0] -> real [hvc0]
>>
>> Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes)
>>
>> Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes)
>>
>> Checking aperture...
>>
>> No AGP bridge found
>>
>> PCI-DMA: Using
 software bounce buffering for IO (SWIOTLB)
>>
>> Placing software IO TLB between 0x51ca000 - 0x91ca000
>>
>> Memory: 3701108k/3848888k available (2519k kernel code, 7908k absent,
>> 139388k reserved, 1546k data, 420k init)
>>
>> installing Xen timer for CPU 0
>>
>> Calibrating delay loop (skipped), value calculated using timer
>> frequency.. 4788.08 BogoMIPS (lpj=9576168)
>>
>> Mount-cache hash table entries: 256
>>
>> CPU: L1 I cache: 32K, L1 D cache: 32K
>>
>> CPU: L2 cache: 4096K
>>
>> CPU: Physical Processor ID: 0
>>
>> CPU: Processor Core ID: 0
>>
>> SMP alternatives: switching to UP code
>>
>> ACPI: Core revision 20080926
>>
>> cpu 0 spinlock event irq 17
>>
>> installing Xen timer for CPU
 1
>>
>> cpu 1 spinlock event irq 23
>>
>> SMP alternatives: switching to SMP code
>>
>> Initializing CPU#1
>>
>> CPU: L1 I cache: 32K, L1 D cache: 32K
>>
>> CPU: L2 cache: 4096K
>>
>> CPU: Physical Processor ID: 0
>>
>> CPU: Processor Core ID: 0
>>
>> Brought up 2 CPUs
>>
>> net_namespace: 552 bytes
>>
>> Booting paravirtualized kernel on Xen
>>
>> Xen version: 3.3.0 (preserve-AD) (dom0)
>>
>> Grant table initialized
>>
>> NET: Registered protocol family 16
>>
>> xenbus_probe_init ok
>>
>> ACPI FADT declares the system doesn't support PCIe ASPM, so
disable it
>>
>> ACPI: bus type pci registered
>>
>> PCI: Using configuration type 1 for base
 access
>>
>> ACPI: Interpreter enabled
>>
>> ACPI: (supports S0 S5)
>>
>> ACPI: Using IOAPIC for interrupt routing
>>
>> ACPI: ACPI Dock Station Driver: 1 docks/bays found
>>
>> ACPI: PCI Root Bridge [PCI0] (0000:00)
>>
>> pci 0000:00:01.0: PME# supported from D0 D3hot D3cold
>>
>> pci 0000:00:01.0: PME# disabled
>>
>> pci 0000:00:03.0: PME# supported from D0 D3hot D3cold
>>
>> pci 0000:00:03.0: PME# disabled
>>
>> pci 0000:00:19.0: PME# supported from D0 D3hot D3cold
>>
>> pci 0000:00:19.0: PME# disabled
>>
>> pci 0000:00:1a.7: PME# supported from D0 D3hot D3cold
>>
>> pci 0000:00:1a.7: PME# disabled
>>
>> pci 0000:00:1b.0: PME# supported from D0 D3hot D3cold
>>
>> pci 0000:00:1b.0: PME#
 disabled
>>
>> pci 0000:00:1c.0: PME# supported from D0 D3hot D3cold
>>
>> pci 0000:00:1c.0: PME# disabled
>>
>> pci 0000:00:1d.7: PME# supported from D0 D3hot D3cold
>>
>> pci 0000:00:1d.7: PME# disabled
>>
>> pci 0000:00:1f.0: quirk: region 0800-087f claimed by ICH6
ACPI/GPIO/TCO
>>
>> pci 0000:00:1f.0: quirk: region 0880-08bf claimed by ICH6 GPIO
>>
>> pci 0000:00:1f.2: PME# supported from D3hot
>>
>> pci 0000:00:1f.2: PME# disabled
>>
>> pci 0000:00:1e.0: transparent bridge
>>
>> ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 7 9 10 *11 12 15)
>>
>> ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 *5 6 7 9 10 11 12 15)
>>
>> ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 7 *9 10 11 12 15)
>>
>> ACPI: PCI Interrupt Link [LNKD]
 (IRQs 3 4 5 6 7 9 *10 11 12 15)
>>
>> ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 7 9 10 11 12 15) *0,
>> disabled.
>>
>> ACPI: PCI Interrupt Link [LNKF] (IRQs *3 4 5 6 7 9 10 11 12 15)
>>
>> ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 *5 6 7 9 10 11 12 15)
>>
>> ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 7 9 *10 11 12 15)
>>
>> ACPI Warning (tbutils-0217): Incorrect checksum in table [TCPA] - 00,
>> should be 87 [20080926]
>>
>> xen_balloon: Initialising balloon driver.
>>
>> SCSI subsystem initialized
>>
>> PCI: Using ACPI for IRQ routing
>>
>> pci 0000:00:01.0: BAR 9: can't allocate resource
>>
>> pci 0000:01:00.0: BAR 0: can't allocate resource
>>
>> Xen: Initializing Xen DMA ops
>>
>> Xen: Enabling DMA fallback to
 swiotlb
>>
>> PCI-GART: No AMD GART found.
>>
>> pnp: PnP ACPI init
>>
>> ACPI: bus type pnp registered
>>
>> pnp 00:01: io resource (0x800-0x85f) overlaps 0000:00:1f.0 BAR 7
>> (0x800-0x87f), disabling
>>
>> pnp 00:01: io resource (0x860-0x8ff) overlaps 0000:00:1f.0 BAR 7
>> (0x800-0x87f), disabling
>>
>> system 00:01: ioport range 0xc00-0xc7f has been reserved
>>
>> xen_set_ioapic_routing: irq 13 gsi 13 vector 120 ioapic 0 pin 13
>> triggering 1 polarity 0
>>
>> xen_set_ioapic_routing: irq 8 gsi 8 vector 80 ioapic 0 pin 8
>> triggering 1 polarity 0
>>
>> xen_set_ioapic_routing: irq 7 gsi 7 vector 72 ioapic 0 pin 7
>> triggering 1 polarity 0
>>
>> xen_set_ioapic_routing: irq 4 gsi 4 vector 241 ioapic 0 pin 4
>> triggering
 1 polarity 0
>>
>> (XEN) ioapic_guest_write: apic=0, pin=4, old_irq=4, new_irq=4
>>
>> (XEN) ioapic_guest_write: old_entry=000009f1, new_entry=000189f1
>>
>> (XEN) ioapic_guest_write: Attempt to modify IO-APIC pin for in-use
IRQ!
>>
>> pnp: PnP ACPI: found 9 devices
>>
>> ACPI: ACPI bus type pnp unregistered
>>
>> pci 0000:00:01.0: PCI bridge, secondary bus 0000:01
>>
>> pci 0000:00:01.0:   IO window: 0xd000-0xdfff
>>
>> pci 0000:00:01.0:   MEM window: 0xfe900000-0xfeafffff
>>
>> pci 0000:00:01.0:   PREFETCH window: 0x00000100000000-0x0000010fffffff
>>
>> pci 0000:00:1c.0: PCI bridge, secondary bus 0000:02
>>
>> pci 0000:00:1c.0:   IO window: disabled
>>
>> pci 0000:00:1c.0:   MEM window: 0xfe800000-0xfe8fffff
>>
>> pci
 0000:00:1c.0:   PREFETCH window: disabled
>>
>> pci 0000:00:1e.0: PCI bridge, secondary bus 0000:03
>>
>> pci 0000:00:1e.0:   IO window: disabled
>>
>> pci 0000:00:1e.0:   MEM window: disabled
>>
>> pci 0000:00:1e.0:   PREFETCH window: disabled
>>
>> xen_set_ioapic_routing: irq 29 gsi 16 vector 152 ioapic 0 pin 16
>> triggering 0 polarity 1
>>
>> pci 0000:00:01.0: PCI INT A -> GSI 16 (level, low) -> IRQ 29
>>
>> xen: PCI device 0000:00:01.0 pin 1 -> irq 29
>>
>> xen_allocate_pirq: returning irq 29 for gsi 16
>>
>> xen_set_ioapic_routing: irq 29 gsi 16 vector 152 ioapic 0 pin 16
>> triggering 0 polarity 1
>>
>> pci 0000:00:1c.0: PCI INT A -> GSI 16 (level, low) -> IRQ 29
>>
>> xen: PCI device 0000:00:1c.0 pin 1 -> irq
 29
>>
>> bus: 00 index 0 io port: [0x00-0xffff]
>>
>> bus: 00 index 1 mmio: [0x000000-0xffffffffffffffff]
>>
>> bus: 01 index 0 io port: [0xd000-0xdfff]
>>
>> bus: 01 index 1 mmio: [0xfe900000-0xfeafffff]
>>
>> bus: 01 index 2 mmio: [0x100000000-0x10fffffff]
>>
>> bus: 01 index 3 mmio: [0x0-0x0]
>>
>> bus: 02 index 0 mmio: [0x0-0x0]
>>
>> bus: 02 index 1 mmio: [0xfe800000-0xfe8fffff]
>>
>> bus: 02 index 2 mmio: [0x0-0x0]
>>
>> bus: 02 index 3 mmio: [0x0-0x0]
>>
>> bus: 03 index 0 mmio: [0x0-0x0]
>>
>> bus: 03 index 1 mmio: [0x0-0x0]
>>
>> bus: 03 index 2 mmio: [0x0-0x0]
>>
>> bus: 03 index 3 io port: [0x00-0xffff]
>>
>> bus: 03 index 4 mmio:
 [0x000000-0xffffffffffffffff]
>>
>> NET: Registered protocol family 2
>>
>> IP route cache hash table entries: 131072 (order: 8, 1048576 bytes)
>>
>> TCP established hash table entries: 262144 (order: 10, 4194304 bytes)
>>
>> TCP bind hash table entries: 65536 (order: 8, 1048576 bytes)
>>
>> TCP: Hash tables configured (established 262144 bind 65536)
>>
>> TCP reno registered
>>
>> NET: Registered protocol family 1
>>
>> Simple Boot Flag at 0x7a set to 0x1
>>
>> Installing knfsd (copyright (C) 1996 okir@xxxxxxxxxxxx).
>>
>> msgmni has been set to 7517
>>
>> io scheduler noop registered
>>
>> io scheduler cfq registered (default)
>>
>> pcieport-driver 0000:00:01.0: found MSI capability
>>
>> pcieport-driver
 0000:00:1c.0: found MSI capability
>>
>> input: Power Button (FF) as /class/input/input0
>>
>> ACPI: Power Button (FF) [PWRF]
>>
>> input: Power Button (CM) as /class/input/input1
>>
>> ACPI: Power Button (CM) [VBTN]
>>
>> xenbus_probe_backend_init bus registered ok
>>
>> xenbus_probe_frontend_init bus registered ok
>>
>> Event-channel device installed.
>>
>> ***blkif_init
>>
>> Real Time Clock Driver v1.12ac
>>
>> Linux agpgart interface v0.103
>>
>> floppy0: Unable to grab IRQ6 for the floppy driver
>>
>> brd: module loaded
>>
>> loop: module loaded
>>
>> tun: Universal TUN/TAP device driver, 1.6
>>
>> tun: (C) 1999-2004 Max Krasnyansky <maxk@xxxxxxxxxxxx>
>>
>>
 console [netcon0] enabled
>>
>> netconsole: network logging started
>>
>> Driver 'sd' needs updating - please use bus_type methods
>>
>> Driver 'sr' needs updating - please use bus_type methods
>>
>> xen_set_ioapic_routing: irq 31 gsi 18 vector 160 ioapic 0 pin 18
>> triggering 0 polarity 1
>>
>> ahci 0000:00:1f.2: PCI INT C -> GSI 18 (level, low) -> IRQ 31
>>
>> xen: PCI device 0000:00:1f.2 pin 3 -> irq 31
>>
>> ahci 0000:00:1f.2: AHCI 0001.0200 32 slots 6 ports 3 Gbps 0x27 impl
SATA
>> mode
>>
>> ahci 0000:00:1f.2: flags: 64bit ncq sntf pm led clo pmp pio slum part
ems
>>
>> (XEN) unexpected IRQ trap at vector 59
>>
>> (XEN) unexpected IRQ trap at vector 59
>>
>> scsi0 : ahci
>>
>> scsi1 :
 ahci
>>
>> scsi2 : ahci
>>
>> scsi3 : ahci
>>
>> scsi4 : ahci
>>
>> scsi5 : ahci
>>
>> ata1: SATA max UDMA/133 abar m2048@0xff970000 port 0xff970100 irq 1277
>>
>> ata2: SATA max UDMA/133 abar m2048@0xff970000 port 0xff970180 irq 1277
>>
>> ata3: SATA max UDMA/133 abar m2048@0xff970000 port 0xff970200 irq 1277
>>
>> ata4: DUMMY
>>
>> ata5: DUMMY
>>
>> ata6: SATA max UDMA/133 abar m2048@0xff970000 port 0xff970380 irq 1277
>>
>> (XEN) unexpected IRQ trap at vector 59
>>
>> ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
>>
>> (XEN) unexpected IRQ trap at vector 59
>>
>> ata1.00: qc timeout (cmd 0xec)
>>
>> ata1.00: failed to IDENTIFY (I/O error, err_mask=0x4)
>>
>>
 (XEN) unexpected IRQ trap at vector 59
>>
>> ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
>>
>> (XEN) unexpected IRQ trap at vector 59
>>
>> ata1.00: qc timeout (cmd 0xec)
>>
>> ata1.00: failed to IDENTIFY (I/O error, err_mask=0x4)
>>
>> (XEN) unexpected IRQ trap at vector 59
>>
>> ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
>>
>> (XEN) unexpected IRQ trap at vector 59
>>
>> ata1.00: qc timeout (cmd 0xec)
>>
>> ata1.00: failed to IDENTIFY (I/O error, err_mask=0x4)
>>
>> (XEN) unexpected IRQ trap at vector 59
>>
>> ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
>>
>> ata2: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
>>
>> (XEN) unexpected IRQ trap at vector 59
>>
>>
 ata2.00: qc timeout (cmd 0xa1)
>>
>> ata2.00: failed to IDENTIFY (I/O error, err_mask=0x4)
>>
>> ata2: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
>>
>> (XEN) unexpected IRQ trap at vector 59
>>
>> ata2.00: qc timeout (cmd 0xa1)
>>
>> ata2.00: failed to IDENTIFY (I/O error, err_mask=0x4)
>>
>> ata2: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
>>
>> (XEN) unexpected IRQ trap at vector 59
>>
>> ata2.00: qc timeout (cmd 0xa1)
>>
>> ata2.00: failed to IDENTIFY (I/O error, err_mask=0x4)
>>
>> ata2: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
>>
>> ata3: SATA link down (SStatus 4 SControl 300)
>>
>> ata6: SATA link down (SStatus 4 SControl 300)
>>
>> PNP: No PS/2 controller found. Probing ports
 directly.
>>
>> i8042: probe of i8042 failed with error -38
>>
>> mice: PS/2 mouse device common for all mice
>>
>> device-mapper: ioctl: 4.14.0-ioctl (2008-04-23) initialised:
>> dm-devel@xxxxxxxxxx
>>
>> cpuidle: using governor ladder
>>
>> TCP cubic registered
>>
>> NET: Registered protocol family 17
>>
>> RPC: Registered udp transport module.
>>
>> RPC: Registered tcp transport module.
>>
>> IO APIC resources could be not be allocated.
>>
>> Root-NFS: No NFS server available, giving up.
>>
>> VFS: Unable to mount root fs via NFS, trying floppy.
>>
>> VFS: Insert root floppy and press ENTER
>>
>> Andy
>
> Looks like it is not detecting the drive correctly.
>
> What is your specific
 controller?

The system is a Dell Optiplex 755 with Intel onboard sata, I'm having
trouble finding the controller model and lspci only shows that it is
AHCI:
*********************************************************************
When i open the box i can see the spec on South Bridge Chipset
and check with manual. Then enter setup and turn on AHCI, reboot
and load F8 for instance ( or just resque disk with 2.6.21 kernel)
to make sure Linux kernel loads AHCI driver to detect SATA HDD
Kernel 2.6.18 and above does detect AHCI mode on Intel's ICH(7,8,9)R,
but not ICH(6,7,8.9) per Intel Storage Matrix this ones don't support
AHCI.
*********************************************************************

00:1f.2 SATA controller: Intel Corporation 6 port SATA AHCI Controller (rev 02)

It is my Xen test server and has been running gentoo linux with both
vanilla kernel 2.6.27 (no xen) and 2.6.27+opensuse xen dom0
 patches, I
wanted to start my pv_ops dom0 testing with a machine that I know can
run Xen successfully.

The HD is a Toshiba 2.5" drive as that is all I had to hand when I
installed Gentoo Linux onto this machine, do you think its worth
swapping that for a 3.5"? I've got a raptor lying around somwhere...

Andy



>
> Cheers,
> Todd
>
> --
> Todd Deshane
> http://todddeshane.net
> http://runningxen.com
>

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