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#1 2006-04-26 07:02:51

codemac
Member
From: Cliche Tech Place
Registered: 2005-05-13
Posts: 785
Website

ACPI Uninterruptable Sleep

If I type cat /proc/acpi/battery/BAT0/state more than once or twice after a boot, the process trying to access that file goes straight into "Uninterruptable sleep", or 'D' in ps.  I'm trying to figure out what is causing this, and I can't figure it out.

dmesg | grep ACPI

 BIOS-e820: 000000002fff0000 - 000000002fffffc0 (ACPI data)
 BIOS-e820: 000000002fffffc0 - 0000000030000000 (ACPI NVS)
ACPI: RSDP (v000 OID_00                                ) @ 0x000e6010
ACPI: RSDT (v001 INSYDE RSDT_000 0x00000001 _CSI 0x00010103) @ 0x2fffcc26
ACPI: FADT (v001 INSYDE FACP_000 0x00000100 _CSI 0x00010103) @ 0x2ffffb00
ACPI: BOOT (v001 INSYDE SYS_BOOT 0x00000100 _CSI 0x00010103) @ 0x2ffffb90
ACPI: DBGP (v001 INSYDE DBGP_000 0x00000100 _CSI 0x00010103) @ 0x2ffffbc0
ACPI: SSDT (v001 INSYDE   GV3Ref 0x00001001 INTL 0x02012044) @ 0x2fffcc5a
ACPI: DSDT (v001 INSYDE INTELIC4 0x00001004 INTL 0x02002025) @ 0x00000000
ACPI: PM-Timer IO Port: 0x1008
ACPI: Looking for DSDT in initramfs... error, file /DSDT.aml not found.
ACPI: setting ELCR to 0200 (from 0ca8)
ACPI: bus type pci registered
ACPI: Subsystem revision 20060127
ACPI: Interpreter enabled
ACPI: Using PIC for interrupt routing
ACPI: PCI Root Bridge [PCI0] (0000:00)
ACPI: Assume root bridge [_SB_.PCI0] bus is 0
PCI quirk: region 1000-107f claimed by ICH4 ACPI/GPIO/TCO
ACPI: PCI Interrupt Routing Table [_SB_.PCI0._PRT]
ACPI: PCI Interrupt Routing Table [_SB_.PCI0.PCI2._PRT]
ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 *10 11)
ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 *5 10 11)
ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 10 *11)
ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 10 *11)
ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 10 *11)
ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 10 11) *0, disabled.
ACPI: PCI Interrupt Link [LNKG] (IRQs *3 4 5 10 11)
ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 10 11) *7
ACPI: Embedded Controller [EC0] (gpe 28) interrupt mode.
pnp: PnP ACPI init
pnp: PnP ACPI: found 10 devices
PCI: Using ACPI for IRQ routing
ACPI: PCI Interrupt Link [LNKB] enabled at IRQ 5
ACPI: PCI Interrupt 0000:02:04.0[A] -> Link [LNKB] -> GSI 5 (level, low) -> IRQ 5
ACPI: AC Adapter [AC] (on-line)
ACPI: Battery Slot [BAT0] (battery present)
ACPI: Power Button (FF) [PWRF]
ACPI: Sleep Button (CM) [SBTN]
ACPI: Lid Switch [LID]
ACPI: Video Device [GFX0] (multi-head: yes  rom: no  post: no)
ACPI: CPU0 (power states: C1[C1] C2[C2] C3[C3])
ACPI: Processor [CPU0] (supports 8 throttling states)
ACPI: PCI Interrupt 0000:00:1f.6[b] -> Link [LNKB] -> GSI 5 (level, low) -> IRQ 5
ACPI: PCI interrupt for device 0000:00:1f.6 disabled
ACPI wakeup devices: 
ACPI: (supports S0 S3 S4 S5)
ACPI: PCI Interrupt Link [LNKC] enabled at IRQ 11
ACPI: PCI Interrupt 0000:00:1f.1[A] -> Link [LNKC] -> GSI 11 (level, low) -> IRQ 11
ACPI: PCI Interrupt Link [LNKE] enabled at IRQ 11
ACPI: PCI Interrupt 0000:02:02.0[A] -> Link [LNKE] -> GSI 11 (level, low) -> IRQ 11
ACPI: PCI Interrupt Link [LNKG] enabled at IRQ 3
ACPI: PCI Interrupt 0000:02:05.0[A] -> Link [LNKG] -> GSI 3 (level, low) -> IRQ 3
ACPI: PCI Interrupt 0000:02:04.0[A] -> Link [LNKB] -> GSI 5 (level, low) -> IRQ 5
ACPI: PCI Interrupt Link [LNKD] enabled at IRQ 11
ACPI: PCI Interrupt 0000:02:01.0[A] -> Link [LNKD] -> GSI 11 (level, low) -> IRQ 11
ACPI: PCI Interrupt 0000:00:1f.5[b] -> Link [LNKB] -> GSI 5 (level, low) -> IRQ 5
ACPI: PCI Interrupt Link [LNKA] enabled at IRQ 10
ACPI: PCI Interrupt 0000:00:1d.0[A] -> Link [LNKA] -> GSI 10 (level, low) -> IRQ 10
ACPI: PCI Interrupt 0000:00:1d.1[b] -> Link [LNKD] -> GSI 11 (level, low) -> IRQ 11
ACPI: PCI Interrupt Link [LNKH] enabled at IRQ 10
ACPI: PCI Interrupt 0000:00:1d.7[D] -> Link [LNKH] -> GSI 10 (level, low) -> IRQ 10
ACPI: PCI Interrupt 0000:01:00.0[A] -> Link [LNKA] -> GSI 10 (level, low) -> IRQ 10

I really don't know what is up with this, and it is unfortunate that it happens so often, because it requires a hard reset.

I'm using -beyond in [extra] if you are wondering about kernel, and this is a Pentium M Centrino 1.7Ghz laptop.  Let me know if you need any more information.

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