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    SubjectRe: [RFC][PATCH][0/8] PM: Rework suspend-resume ordering to avoid problems with shared interrupts
    Date
    (Most CCs dropped.)

    Hi Rafael,

    Rafael J. Wysocki wrote:
    > The following patches modifiy the way in which we handle disabling
    > interrupts during suspend and enabling them during resume. They also
    > change the ordering of the core suspend and hibernation code to take
    > advantage of the new approach to the interrupts and modify the PCI PM
    > core to avoid a few problems.

    I've given this series a try on my HP 2510p. I've seen no regressions
    with suspend to RAM.

    Below is a diff between suspend/resume dmesg from before (based on rc5)
    and after (rc7 + series) the patch, with some comments.
    Nothing looks really wrong, but there are some surprising changes.

    Essentially JFYI though.

    Cheers,
    FJP

    PM: Syncing filesystems ... done.
    Freezing user space processes ... (elapsed 0.00 seconds) done.
    Freezing remaining freezable tasks ... (elapsed 0.00 seconds) done.
    Suspending console(s) (use no_console_suspend to debug)
    sd 0:0:0:0: [sda] Synchronizing SCSI cache
    sd 0:0:0:0: [sda] Stopping disk
    ACPI handle has no context!
    ACPI handle has no context!
    sdhci-pci 0000:02:06.2: PME# disabled
    sdhci-pci 0000:02:06.2: PCI INT C disabled
    ACPI handle has no context!
    ACPI handle has no context!
    # Bogus: result of using wireless instead of wired networking.
    +iwlagn 0000:10:00.0: PCI INT A disabled
    ata2: port disabled. ignoring.
    ata_piix 0000:00:1f.1: PCI INT A disabled
    ehci_hcd 0000:00:1d.7: PCI INT A disabled
    ehci_hcd 0000:00:1d.7: PME# disabled
    uhci_hcd 0000:00:1d.2: PCI INT C disabled
    uhci_hcd 0000:00:1d.1: PCI INT B disabled
    uhci_hcd 0000:00:1d.0: PCI INT A disabled
    HDA Intel 0000:00:1b.0: PCI INT A disabled
    HDA Intel 0000:00:1b.0: power state changed by ACPI to D3
    ehci_hcd 0000:00:1a.7: PCI INT C disabled
    ehci_hcd 0000:00:1a.7: PME# disabled
    uhci_hcd 0000:00:1a.1: PCI INT B disabled
    uhci_hcd 0000:00:1a.0: PCI INT A disabled
    e1000e 0000:00:19.0: PME# enabled
    e1000e 0000:00:19.0: wake-up capability enabled by ACPI
    e1000e 0000:00:19.0: PME# enabled
    e1000e 0000:00:19.0: wake-up capability enabled by ACPI
    e1000e 0000:00:19.0: PCI INT A disabled
    ACPI handle has no context!
    # This has moved up a bit. Looks more logical.
    +ricoh-mmc: Suspending.
    +ricoh-mmc: Controller is now re-enabled.
    ACPI: Preparing to enter system sleep state S3
    Disabling non-boot CPUs ...
    CPU 1 is now offline
    SMP alternatives: switching to UP code
    CPU0 attaching NULL sched-domain.
    CPU1 attaching NULL sched-domain.
    CPU0 attaching NULL sched-domain.
    CPU1 is down
    -ricoh-mmc: Suspending.
    -ricoh-mmc: Controller is now re-enabled.
    Extended CMOS year: 2000

    Back to C!
    +CPU0: Thermal monitoring enabled (TM2)
    Extended CMOS year: 2000
    # This whole block has moved up before early config space restores.
    # No changes in the block itself.
    +Enabling non-boot CPUs ...
    +SMP alternatives: switching to SMP code
    +Booting processor 1 APIC 0x1 ip 0x6000
    +Initializing CPU#1
    +Calibrating delay using timer specific routine.. 2660.04 BogoMIPS (lpj=5320097)
    +CPU: L1 I cache: 32K, L1 D cache: 32K
    +CPU: L2 cache: 2048K
    +[ds] using Core 2/Atom configuration
    +CPU: Physical Processor ID: 0
    +CPU: Processor Core ID: 1
    +CPU1: Thermal monitoring enabled (TM2)
    +CPU1: Intel(R) Core(TM)2 Duo CPU U7700 @ 1.33GHz stepping 0d
    +CPU0 attaching NULL sched-domain.
    +Switched to high resolution mode on CPU 1
    +CPU0 attaching sched-domain:
    + domain 0: span 0-1 level MC
    + groups: 0 1
    +CPU1 attaching sched-domain:
    + domain 0: span 0-1 level MC
    + groups: 1 0
    +CPU1 is up
    +ACPI: Waking up from system sleep state S3
    pci 0000:00:02.0: restoring config space at offset 0x8 (was 0x1, writing 0x2001)
    # These don't need restoring anymore?
    -pci 0000:00:02.1: restoring config space at offset 0x4 (was 0x4, writing 0xe0500004)
    -pci 0000:00:02.1: restoring config space at offset 0x1 (was 0x900000, writing 0x900007)
    -pci 0000:00:03.0: restoring config space at offset 0xf (was 0x100, writing 0x1ff)
    -pci 0000:00:03.0: restoring config space at offset 0x4 (was 0xfed12004, writing 0xe0600004)
    -pci 0000:00:03.2: restoring config space at offset 0xf (was 0x300, writing 0x30b)
    -pci 0000:00:03.2: restoring config space at offset 0x8 (was 0x1, writing 0x2031)
    -pci 0000:00:03.2: restoring config space at offset 0x7 (was 0x1, writing 0x2021)
    -pci 0000:00:03.2: restoring config space at offset 0x6 (was 0x1, writing 0x2019)
    -pci 0000:00:03.2: restoring config space at offset 0x5 (was 0x1, writing 0x2011)
    -pci 0000:00:03.2: restoring config space at offset 0x4 (was 0x1, writing 0x2009)
    -pci 0000:00:03.2: restoring config space at offset 0x1 (was 0xb00000, writing 0xb00001)
    serial 0000:00:03.3: restoring config space at offset 0xf (was 0x200, writing 0x20a)
    serial 0000:00:03.3: restoring config space at offset 0x5 (was 0x0, writing 0xe0601000)
    serial 0000:00:03.3: restoring config space at offset 0x4 (was 0x1, writing 0x2041)
    serial 0000:00:03.3: restoring config space at offset 0x1 (was 0xb00000, writing 0xb00007)
    e1000e 0000:00:19.0: restoring config space at offset 0xf (was 0x100, writing 0x10b)
    e1000e 0000:00:19.0: restoring config space at offset 0x6 (was 0x1, writing 0x2061)
    e1000e 0000:00:19.0: restoring config space at offset 0x5 (was 0x0, writing 0xe0640000)
    e1000e 0000:00:19.0: restoring config space at offset 0x1 (was 0x100000, writing 0x100007)
    # These have moved down to late resume.
    -uhci_hcd 0000:00:1a.0: restoring config space at offset 0xf (was 0x100, writing 0x10a)
    -uhci_hcd 0000:00:1a.0: restoring config space at offset 0x8 (was 0x1, writing 0x2081)
    -uhci_hcd 0000:00:1a.0: restoring config space at offset 0x1 (was 0x2800000, writing 0x2800001)
    -uhci_hcd 0000:00:1a.1: restoring config space at offset 0xf (was 0x200, writing 0x20a)
    -uhci_hcd 0000:00:1a.1: restoring config space at offset 0x8 (was 0x1, writing 0x20a1)
    -uhci_hcd 0000:00:1a.1: restoring config space at offset 0x1 (was 0x2800000, writing 0x2800001)
    ehci_hcd 0000:00:1a.7: restoring config space at offset 0xf (was 0x300, writing 0x30b)
    ehci_hcd 0000:00:1a.7: restoring config space at offset 0x4 (was 0x0, writing 0xe0641000)
    ehci_hcd 0000:00:1a.7: restoring config space at offset 0x1 (was 0x2900000, writing 0x2900002)
    HDA Intel 0000:00:1b.0: restoring config space at offset 0xf (was 0x100, writing 0x10a)
    HDA Intel 0000:00:1b.0: restoring config space at offset 0x3 (was 0x0, writing 0x10)
    HDA Intel 0000:00:1b.0: restoring config space at offset 0x1 (was 0x100000, writing 0x100002)
    pcieport-driver 0000:00:1c.0: restoring config space at offset 0xf (was 0x100, writing 0x4010a)
    pcieport-driver 0000:00:1c.0: restoring config space at offset 0x9 (was 0x10001, writing 0x1fff1)
    pcieport-driver 0000:00:1c.0: restoring config space at offset 0x8 (was 0x0, writing 0xfff0)
    pcieport-driver 0000:00:1c.0: restoring config space at offset 0x7 (was 0x0, writing 0x200000f0)
    pcieport-driver 0000:00:1c.0: restoring config space at offset 0x6 (was 0x0, writing 0x80800)
    pcieport-driver 0000:00:1c.0: restoring config space at offset 0x3 (was 0x810000, writing 0x810010)
    pcieport-driver 0000:00:1c.0: restoring config space at offset 0x1 (was 0x100000, writing 0x100407)
    pcieport-driver 0000:00:1c.1: restoring config space at offset 0xf (was 0x200, writing 0x4020a)
    pcieport-driver 0000:00:1c.1: restoring config space at offset 0x9 (was 0x10001, writing 0x1fff1)
    pcieport-driver 0000:00:1c.1: restoring config space at offset 0x8 (was 0x0, writing 0xe000e000)
    pcieport-driver 0000:00:1c.1: restoring config space at offset 0x7 (was 0x0, writing 0xf0)
    pcieport-driver 0000:00:1c.1: restoring config space at offset 0x3 (was 0x810000, writing 0x810010)
    pcieport-driver 0000:00:1c.1: restoring config space at offset 0x1 (was 0x100000, writing 0x100407)
    # These have moved down to late resume.
    -uhci_hcd 0000:00:1d.0: restoring config space at offset 0xf (was 0x100, writing 0x10a)
    -uhci_hcd 0000:00:1d.0: restoring config space at offset 0x8 (was 0x1, writing 0x20c1)
    -uhci_hcd 0000:00:1d.0: restoring config space at offset 0x1 (was 0x2800000, writing 0x2800001)
    -uhci_hcd 0000:00:1d.1: restoring config space at offset 0xf (was 0x200, writing 0x20b)
    -uhci_hcd 0000:00:1d.1: restoring config space at offset 0x8 (was 0x1, writing 0x20e1)
    -uhci_hcd 0000:00:1d.1: restoring config space at offset 0x1 (was 0x2800000, writing 0x2800001)
    -uhci_hcd 0000:00:1d.2: restoring config space at offset 0xf (was 0x300, writing 0x30b)
    -uhci_hcd 0000:00:1d.2: restoring config space at offset 0x8 (was 0x1, writing 0x2101)
    -uhci_hcd 0000:00:1d.2: restoring config space at offset 0x1 (was 0x2800000, writing 0x2800001)
    ehci_hcd 0000:00:1d.7: restoring config space at offset 0xf (was 0x100, writing 0x10a)
    ehci_hcd 0000:00:1d.7: restoring config space at offset 0x4 (was 0x0, writing 0xe0648000)
    ehci_hcd 0000:00:1d.7: restoring config space at offset 0x1 (was 0x2900000, writing 0x2900002)
    # These have disappeared.
    -pci 0000:00:1e.0: restoring config space at offset 0x9 (was 0x10001, writing 0x83f18001)
    -pci 0000:00:1e.0: restoring config space at offset 0x8 (was 0x0, writing 0xe030e010)
    -pci 0000:00:1e.0: restoring config space at offset 0x7 (was 0x228000f0, writing 0x22803030)
    -pci 0000:00:1e.0: restoring config space at offset 0x1 (was 0x100007, writing 0x100107)
    # First two moved to late resume.
    # The third already happened during late resume (duplicated).
    -ata_piix 0000:00:1f.1: restoring config space at offset 0xf (was 0x100, writing 0x10a)
    -ata_piix 0000:00:1f.1: restoring config space at offset 0x8 (was 0xc01, writing 0x2121)
    -ata_piix 0000:00:1f.1: restoring config space at offset 0x1 (was 0x2800005, writing 0x2880005)
    iwlagn 0000:10:00.0: restoring config space at offset 0xf (was 0x100, writing 0x10a)
    iwlagn 0000:10:00.0: restoring config space at offset 0x4 (was 0x4, writing 0xe0000004)
    iwlagn 0000:10:00.0: restoring config space at offset 0x3 (was 0x0, writing 0x10)
    iwlagn 0000:10:00.0: restoring config space at offset 0x1 (was 0x100000, writing 0x100006)
    yenta_cardbus 0000:02:06.0: restoring config space at offset 0xf (was 0x3000100, writing 0x580010b)
    yenta_cardbus 0000:02:06.0: restoring config space at offset 0xe (was 0x0, writing 0x34fc)
    yenta_cardbus 0000:02:06.0: restoring config space at offset 0xd (was 0x0, writing 0x3400)
    yenta_cardbus 0000:02:06.0: restoring config space at offset 0xc (was 0x0, writing 0x30fc)
    yenta_cardbus 0000:02:06.0: restoring config space at offset 0xb (was 0x0, writing 0x3000)
    yenta_cardbus 0000:02:06.0: restoring config space at offset 0xa (was 0x0, writing 0x87fff000)
    yenta_cardbus 0000:02:06.0: restoring config space at offset 0x9 (was 0x0, writing 0x84000000)
    yenta_cardbus 0000:02:06.0: restoring config space at offset 0x8 (was 0x0, writing 0x83fff000)
    yenta_cardbus 0000:02:06.0: restoring config space at offset 0x7 (was 0x0, writing 0x80000000)
    yenta_cardbus 0000:02:06.0: restoring config space at offset 0x6 (was 0x0, writing 0xb0060302)
    yenta_cardbus 0000:02:06.0: restoring config space at offset 0x4 (was 0x0, writing 0xe0100000)
    yenta_cardbus 0000:02:06.0: restoring config space at offset 0x3 (was 0x820000, writing 0x82a800)
    yenta_cardbus 0000:02:06.0: restoring config space at offset 0x1 (was 0x2100000, writing 0x2100007)
    ohci1394 0000:02:06.1: restoring config space at offset 0xf (was 0x4020200, writing 0x4020205)
    ohci1394 0000:02:06.1: restoring config space at offset 0x4 (was 0x0, writing 0xe0101000)
    ohci1394 0000:02:06.1: restoring config space at offset 0x3 (was 0x800000, writing 0x804010)
    ohci1394 0000:02:06.1: restoring config space at offset 0x1 (was 0x2100000, writing 0x2100006)
    sdhci-pci 0000:02:06.2: restoring config space at offset 0xf (was 0x300, writing 0x30a)
    sdhci-pci 0000:02:06.2: restoring config space at offset 0x4 (was 0x0, writing 0xe0102000)
    sdhci-pci 0000:02:06.2: restoring config space at offset 0x3 (was 0x800000, writing 0x804010)
    sdhci-pci 0000:02:06.2: restoring config space at offset 0x1 (was 0x2100000, writing 0x2100006)
    # Some changes; a lot just got dropped.
    -ricoh-mmc 0000:02:06.3: restoring config space at offset 0xf (was 0x300, writing 0xffffffff)
    +ricoh-mmc 0000:02:06.3: restoring config space at offset 0xf (was 0x300, writing 0x30a)
    -ricoh-mmc 0000:02:06.3: restoring config space at offset 0xe (was 0x0, writing 0xffffffff)
    -ricoh-mmc 0000:02:06.3: restoring config space at offset 0xd (was 0x80, writing 0xffffffff)
    -ricoh-mmc 0000:02:06.3: restoring config space at offset 0xc (was 0x0, writing 0xffffffff)
    -ricoh-mmc 0000:02:06.3: restoring config space at offset 0xb (was 0x30c9103c, writing 0xffffffff)
    -ricoh-mmc 0000:02:06.3: restoring config space at offset 0xa (was 0x0, writing 0xffffffff)
    -ricoh-mmc 0000:02:06.3: restoring config space at offset 0x9 (was 0x0, writing 0xffffffff)
    -ricoh-mmc 0000:02:06.3: restoring config space at offset 0x8 (was 0x0, writing 0xffffffff)
    -ricoh-mmc 0000:02:06.3: restoring config space at offset 0x7 (was 0x0, writing 0xffffffff)
    -ricoh-mmc 0000:02:06.3: restoring config space at offset 0x6 (was 0x0, writing 0xffffffff)
    -ricoh-mmc 0000:02:06.3: restoring config space at offset 0x5 (was 0x0, writing 0xffffffff)
    -ricoh-mmc 0000:02:06.3: restoring config space at offset 0x4 (was 0x0, writing 0xffffffff)
    +ricoh-mmc 0000:02:06.3: restoring config space at offset 0x4 (was 0x0, writing 0xe0103000)
    -ricoh-mmc 0000:02:06.3: restoring config space at offset 0x3 (was 0x800000, writing 0xffffffff)
    +ricoh-mmc 0000:02:06.3: restoring config space at offset 0x3 (was 0x800000, writing 0x804010)
    -ricoh-mmc 0000:02:06.3: restoring config space at offset 0x2 (was 0x8800011, writing 0xffffffff)
    -ricoh-mmc 0000:02:06.3: restoring config space at offset 0x1 (was 0x2100000, writing 0xffffffff)
    +ricoh-mmc 0000:02:06.3: restoring config space at offset 0x1 (was 0x2100000, writing 0x2100006)
    -ricoh-mmc 0000:02:06.3: restoring config space at offset 0x0 (was 0x8431180, writing 0xffffffff)
    ricoh-mmc: Resuming.
    ricoh-mmc: Controller is now disabled.
    -Enabling non-boot CPUs ...
    -SMP alternatives: switching to SMP code
    -Booting processor 1 APIC 0x1 ip 0x6000
    -Initializing CPU#1
    -Calibrating delay using timer specific routine.. 2660.07 BogoMIPS (lpj=5320158)
    -CPU: L1 I cache: 32K, L1 D cache: 32K
    -CPU: L2 cache: 2048K
    -[ds] using Core 2/Atom configuration
    -CPU: Physical Processor ID: 0
    -CPU: Processor Core ID: 1
    -CPU1: Thermal monitoring enabled (TM2)
    -x86 PAT enabled: cpu 1, old 0x7040600070406, new 0x7010600070106
    -CPU1: Intel(R) Core(TM)2 Duo CPU U7700 @ 1.33GHz stepping 0d
    -CPU0 attaching NULL sched-domain.
    -Switched to high resolution mode on CPU 1
    -CPU0 attaching sched-domain:
    - domain 0: span 0-1 level MC
    - groups: 0 1
    -CPU1 attaching sched-domain:
    - domain 0: span 0-1 level MC
    - groups: 1 0
    -CPU1 is up
    -ACPI: Waking up from system sleep state S3
    ACPI: EC: non-query interrupt received, switching to interrupt mode
    pci 0000:00:02.0: restoring config space at offset 0x1 (was 0x900403, writing 0x900003)
    pci 0000:00:02.0: PME# disabled
    pci 0000:00:02.1: PME# disabled
    pci 0000:00:03.0: PME# disabled
    pci 0000:00:03.2: PME# disabled
    e1000e 0000:00:19.0: PCI INT A -> GSI 22 (level, low) -> IRQ 22
    e1000e 0000:00:19.0: setting latency timer to 64
    e1000e 0000:00:19.0: wake-up capability disabled by ACPI
    e1000e 0000:00:19.0: PME# disabled
    e1000e 0000:00:19.0: wake-up capability disabled by ACPI
    e1000e 0000:00:19.0: PME# disabled
    e1000e 0000:00:19.0: irq 26 for MSI/MSI-X
    +uhci_hcd 0000:00:1a.0: restoring config space at offset 0xf (was 0x100, writing 0x10a)
    +uhci_hcd 0000:00:1a.0: restoring config space at offset 0x8 (was 0x1, writing 0x2081)
    +uhci_hcd 0000:00:1a.0: restoring config space at offset 0x1 (was 0x2800000, writing 0x2800001)
    uhci_hcd 0000:00:1a.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16
    uhci_hcd 0000:00:1a.0: setting latency timer to 64
    usb usb1: root hub lost power or was reset
    +uhci_hcd 0000:00:1a.1: restoring config space at offset 0xf (was 0x200, writing 0x20a)
    +uhci_hcd 0000:00:1a.1: restoring config space at offset 0x8 (was 0x1, writing 0x20a1)
    +uhci_hcd 0000:00:1a.1: restoring config space at offset 0x1 (was 0x2800000, writing 0x2800001)
    uhci_hcd 0000:00:1a.1: PCI INT B -> GSI 17 (level, low) -> IRQ 17
    uhci_hcd 0000:00:1a.1: setting latency timer to 64
    usb usb3: root hub lost power or was reset
    ehci_hcd 0000:00:1a.7: PME# disabled
    ehci_hcd 0000:00:1a.7: PCI INT C -> GSI 18 (level, low) -> IRQ 18
    ehci_hcd 0000:00:1a.7: setting latency timer to 64
    ehci_hcd 0000:00:1a.7: PME# disabled
    # Called twice now?
    HDA Intel 0000:00:1b.0: power state changed by ACPI to D0
    +HDA Intel 0000:00:1b.0: power state changed by ACPI to D0
    HDA Intel 0000:00:1b.0: PCI INT A -> GSI 17 (level, low) -> IRQ 17
    HDA Intel 0000:00:1b.0: setting latency timer to 64
    pcieport-driver 0000:00:1c.0: setting latency timer to 64
    pcieport-driver 0000:00:1c.1: setting latency timer to 64
    +uhci_hcd 0000:00:1d.0: restoring config space at offset 0xf (was 0x100, writing 0x10a)
    +uhci_hcd 0000:00:1d.0: restoring config space at offset 0x8 (was 0x1, writing 0x20c1)
    +uhci_hcd 0000:00:1d.0: restoring config space at offset 0x1 (was 0x2800000, writing 0x2800001)
    uhci_hcd 0000:00:1d.0: PCI INT A -> GSI 20 (level, low) -> IRQ 20
    uhci_hcd 0000:00:1d.0: setting latency timer to 64
    usb usb5: root hub lost power or was reset
    +uhci_hcd 0000:00:1d.1: restoring config space at offset 0xf (was 0x200, writing 0x20b)
    +uhci_hcd 0000:00:1d.1: restoring config space at offset 0x8 (was 0x1, writing 0x20e1)
    +uhci_hcd 0000:00:1d.1: restoring config space at offset 0x1 (was 0x2800000, writing 0x2800001)
    uhci_hcd 0000:00:1d.1: PCI INT B -> GSI 22 (level, low) -> IRQ 22
    uhci_hcd 0000:00:1d.1: setting latency timer to 64
    usb usb6: root hub lost power or was reset
    +uhci_hcd 0000:00:1d.2: restoring config space at offset 0xf (was 0x300, writing 0x30b)
    +uhci_hcd 0000:00:1d.2: restoring config space at offset 0x8 (was 0x1, writing 0x2101)
    +uhci_hcd 0000:00:1d.2: restoring config space at offset 0x1 (was 0x2800000, writing 0x2800001)
    uhci_hcd 0000:00:1d.2: PCI INT C -> GSI 18 (level, low) -> IRQ 18
    uhci_hcd 0000:00:1d.2: setting latency timer to 64
    usb usb7: root hub lost power or was reset
    ehci_hcd 0000:00:1d.7: PME# disabled
    ehci_hcd 0000:00:1d.7: PCI INT A -> GSI 20 (level, low) -> IRQ 20
    ehci_hcd 0000:00:1d.7: setting latency timer to 64
    ehci_hcd 0000:00:1d.7: PME# disabled
    pci 0000:00:1e.0: setting latency timer to 64
    +ata_piix 0000:00:1f.1: restoring config space at offset 0xf (was 0x100, writing 0x10a)
    +ata_piix 0000:00:1f.1: restoring config space at offset 0x8 (was 0xc01, writing 0x2121)
    ata_piix 0000:00:1f.1: restoring config space at offset 0x1 (was 0x2800005, writing 0x2880005)
    ata_piix 0000:00:1f.1: PCI INT A -> GSI 16 (level, low) -> IRQ 16
    ata_piix 0000:00:1f.1: setting latency timer to 64
    ata2: port disabled. ignoring.
    ACPI Exception (exoparg2-0445): AE_AML_PACKAGE_LIMIT, Index (000000005) is beyond end of object [20081204]
    ACPI Error (psparse-0537): Method parse/execution failed [\_SB_.C2C3] (Node ffff88007e01dea0), AE_AML_PACKAGE_LIMIT
    ACPI Error (psparse-0537): Method parse/execution failed [\_SB_.C003.C0F6.C3F3._STM] (Node ffff88007e043de0), AE_AML_PACKAGE_LIMIT
    ata1: ACPI set timing mode failed (status=0x300b)
    # Remaining differences are bogus: result of using wireless instead of wired networking.
    +iwlagn 0000:10:00.0: PCI INT A -> GSI 17 (level, low) -> IRQ 17
    +iwlagn 0000:10:00.0: irq 27 for MSI/MSI-X
    ohci1394: fw-host0: OHCI-1394 1.1 (PCI): IRQ=[19] MMIO=[e0101000-e01017ff] Max Packet=[2048] IR/IT contexts=[4/4]
    sdhci-pci 0000:02:06.2: PCI INT C -> GSI 20 (level, low) -> IRQ 20
    +Registered led device: iwl-phy0:radio
    +Registered led device: iwl-phy0:assoc
    +Registered led device: iwl-phy0:RX
    +Registered led device: iwl-phy0:TX
    sd 0:0:0:0: [sda] Starting disk
    ata1.01: ACPI cmd ef/03:0c:00:00:00:b0 filtered out
    ata1.01: ACPI cmd ef/03:40:00:00:00:b0 filtered out
    ata1.00: ACPI cmd ef/03:01:00:00:00:a0 filtered out
    ata1.00: ACPI cmd ef/03:45:00:00:00:a0 filtered out
    ata1.00: ACPI cmd f5/00:00:00:00:00:a0 filtered out
    ata1.00: ACPI cmd b1/c1:00:00:00:00:a0 filtered out
    ata1.00: ACPI cmd c6/00:10:00:00:00:a0 succeeded
    -e1000e: eth0 NIC Link is Up 100 Mbps Full Duplex, Flow Control: RX/TX
    -0000:00:19.0: eth0: 10/100 speed: disabling TSO
    ata1.00: configured for UDMA/100
    ata1.01: configured for MWDMA2
    ata1.00: configured for UDMA/100
    ata1.01: configured for MWDMA2
    ata1: EH complete
    sd 0:0:0:0: [sda] 234441648 512-byte hardware sectors: (120 GB/111 GiB)
    sd 0:0:0:0: [sda] Write Protect is off
    sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00
    sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
    sd 0:0:0:0: [sda] 234441648 512-byte hardware sectors: (120 GB/111 GiB)
    sd 0:0:0:0: [sda] Write Protect is off
    sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00
    sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
    usb 1-1: reset full speed USB device using uhci_hcd and address 2
    usb 5-2: reset full speed USB device using uhci_hcd and address 2
    pci 0000:00:02.0: restoring config space at offset 0x1 (was 0x900403, writing 0x900003)
    pci 0000:00:02.0: setting latency timer to 64
    Restarting tasks ... done.


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      Last update: 2009-03-08 20:31    [W:0.043 / U:97.572 seconds]
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