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problem with acpi



Hello I have an acer travelmate 252 laptop, which freezes everytime I boot it up with acpi enabled, here is the dmesg output. 
 
Here are my laptops specs
 






Features


Processor: Intel Pentium-4 2.6 GHz Processor 
Screen Size: 15" TFT Active Matrix LCD Display 
Memory: 256 MB DDR SDRam 
Hard Drive: 40 GB Hard Drive 
Integrated Features: CD-RW/DVD Combo IDE Plug-In Module, 56 Kbps Modem, 400 MHz System Bus Speed 
Weight: 7.5 lbs. 
Included Operating System: Windows XP Professional

 
 





 
 


Key Specifications

TravelMate 252ELC Laptop


Manufacturer
 

Acer


Manufacturer Part #
 

LX.T3206.151


Processor

Processor

2.6Ghz


Data Bus Speed

400MHz


Cache Memory 

Type

L2 Cache


Installed Size 

1Mb


RAM

Installed Size

256 MB Ram


Technology

SDRAM - non-parity - 133 MHz


Form Factor 

SO DIMM 144-pin


Storage

Storage Controller

IDE


Hard Drive 

1x40Gb Portable


Display

Type

15" TFT Active Matrix


Resolution

1024 x 768 / 24-bit (16.7M colors)


Video

Graphics Processor/Vendor 

Intel 852GME


Video Memory 

Shared video memory (UMA) - SDRAM


Audio
 

Sound Card


Input Device(s) 

Type

Keyboard, TrackPoint


Telecom

Modem

56kbps Modem 


Networking

Networking

Network adapter


Data Link Protocol

Ethernet, Fast Ethernet


Operating System

OS Provided 

Microsoft Windows XP Professional


Power Supply 

Power Device 

Power adapter - external


Voltage Required 

AC 100/240 V ( 50/60 Hz )


Power Provided 

56 Watt


Battery

Technology

Lithium ion


Installed Qty

1


Average Run Time

5.5 Hours


Dimensions(W x H x D)

Unit

13.1 in x 11.6 in x 1.6 in


Weight 

Unit

7.5 lbs 


Includes in the Box
 

Lithium-ion batterypower cordAC adapter 

 
 
 
 
 
---------------------------------------------
 
Copyright (c) 1992-2007 The FreeBSD Project.Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994 The Regents of the University of California. All rights reserved.FreeBSD is a registered trademark of The FreeBSD Foundation.FreeBSD 6.2-RELEASE #0: Fri Jan 12 11:05:30 UTC 2007    root_(_at_)_dessler_(_dot_)_cse_(_dot_)_buffalo_(_dot_)_edu:/usr/obj/usr/src/sys/SMPTimecounter "i8254" frequency 1193182 Hz quality 0CPU: Intel(R) Pentium(R) 4 CPU 2.60GHz (2597.81-MHz 686-class CPU)  Origin = "GenuineIntel"  Id = 0xf29  Stepping = 9  Features=0xbfebf9ff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE>  Features2=0x4400<CNTX-ID,<b14>>real memory  = 250478592 (238 MB)avail memory = 235413504 (224 MB)kbd1 at kbdmux0ath_hal: 0.9.17.2 (AR5210, AR5211, AR5212, RF5111, RF5112, RF2413, RF5413)cpu0 on motherboardpcib0: <Host to PCI bridge> pcibus 0 on motherboardpir0: <PCI Interrupt Routing Table: 9 Entries> on motherboardpci0: <PCI bus> on pcib0pci0: <base peripheral> at device 0.1 (no driver attached)pci0: <base peripheral> at device 0.3 (no driver attached)agp0: <Intel 8285xM (85xGM GMCH) SVGA controller> port 0x1800-0x1807 mem 0xe8000000-0xefffffff,0xe0000000-0xe007ffff irq 5 at device 2.0 on pci0agp0: detected 16252k stolen memoryagp0: aperture size is 128Mpci0: <display> at device 2.1 (no driver attached)uhci0: <Intel 82801DB (ICH4) USB controller USB-A> port 0x1820-0x183f irq 5 at device 29.0 on pci0uhci0: [GIANT-LOCKED]usb0: <Intel 82801DB (ICH4) USB controller USB-A> on uhci0usb0: USB revision 1.0uhub0: Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1uhub0: 2 ports with 2 removable, self powereduhci1: <Intel 82801DB (ICH4) USB controller USB-B> port 0x1840-0x185f irq 11 at device 29.1 on pci0uhci1: [GIANT-LOCKED]usb1: <Intel 82801DB (ICH4) USB controller USB-B> on uhci1usb1: USB revision 1.0uhub1: Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1uhub1: 2 ports with 2 removable, self powereduhci2: <Intel 82801DB (ICH4) USB controller USB-C> port 0x1860-0x187f irq 3 at device 29.2 on pci0uhci2: [GIANT-LOCKED]usb2: <Intel 82801DB (ICH4) USB controller USB-C> on uhci2usb2: USB revision 1.0uhub2: Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1uhub2: 2 ports with 2 removable, self poweredehci0: <Intel 82801DB/L/M (ICH4) USB 2.0 controller> mem 0xe0100000-0xe01003ff irq 4 at device 29.7 on pci0ehci0: [GIANT-LOCKED]usb3: EHCI version 1.0usb3: companion controllers, 2 ports each: usb0 usb1 usb2usb3: <Intel 82801DB/L/M (ICH4) USB 2.0 controller> on ehci0usb3: USB revision 2.0uhub3: Intel EHCI root hub, class 9/0, rev 2.00/1.00, addr 1uhub3: 6 ports with 6 removable, self poweredpcib1: <PCIBIOS PCI-PCI bridge> at device 30.0 on pci0pci2: <PCI bus> on pcib1cbb0: <TI1520 PCI-CardBus Bridge> irq 10 at device 4.0 on pci2cardbus0: <CardBus bus> on cbb0pccard0: <16-bit PCCard bus> on cbb0cbb1: <TI1520 PCI-CardBus Bridge> irq 10 at device 4.1 on pci2cardbus1: <CardBus bus> on cbb1pccard1: <16-bit PCCard bus> on cbb1rl0: <RealTek 8139 10/100BaseTX> port 0x3000-0x30ff mem 0xe0200000-0xe02000ff irq 11 at device 10.0 on pci2miibus0: <MII bus> on rl0rlphy0: <RealTek internal media interface> on miibus0rlphy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, autorl0: Ethernet address: 00:0a:e4:4b:d7:37isab0: <PCI-ISA bridge> at device 31.0 on pci0isa0: <ISA bus> on isab0atapci0: <Intel ICH4 UDMA100 controller> port 0x1f0-0x1f7,0x3f6,0x170-0x177,0x376,0x1810-0x181f at device 31.1 on pci0ata0: <ATA channel 0> on atapci0ata1: <ATA channel 1> on atapci0pci0: <serial bus, SMBus> at device 31.3 (no driver attached)pci0: <multimedia, audio> at device 31.5 (no driver attached)pci0: <simple comms, generic modem> at device 31.6 (no driver attached)pmtimer0 on isa0orm0: <ISA Option ROMs> at iomem 0xc0000-0xcc7ff,0xcc800-0xcd7ff,0xd8000-0xdbfff,0xdc000-0xdffff on isa0atkbdc0: <Keyboard controller (i8042)> at port 0x60,0x64 on isa0atkbd0: <AT Keyboard> irq 1 on atkbdc0kbd0 at atkbd0atkbd0: [GIANT-LOCKED]psm0: <PS/2 Mouse> irq 12 on atkbdc0psm0: [GIANT-LOCKED]psm0: model Generic PS/2 mouse, device ID 0fdc0: <Enhanced floppy controller> at port 0x3f0-0x3f5,0x3f7 irq 6 drq 2 on isa0fdc0: [FAST]fd0: <1440-KB 3.5" drive> on fdc0 drive 0ppc0: <Parallel port> at port 0x378-0x37f irq 7 on isa0ppc0: SMC-like chipset (ECP/EPP/PS2/NIBBLE) in COMPATIBLE modeppc0: FIFO with 16/16/8 bytes thresholdppbus0: <Parallel port bus> on ppc0plip0: <PLIP network interface> on ppbus0lpt0: <Printer> on ppbus0lpt0: Interrupt-driven portppi0: <Parallel I/O> on ppbus0sc0: <System console> at flags 0x100 on isa0sc0: VGA <16 virtual consoles, flags=0x300>sio0: configured irq 4 not in bitmap of probed irqs 0sio0: port may not be enabledsio0 at port 0x3f8-0x3ff irq 4 flags 0x10 on isa0sio0: type 8250 or not respondingsio1: configured irq 3 not in bitmap of probed irqs 0sio1: port may not be enabledvga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0unknown: <PNP0c02> can't assign resources (memory)unknown: <PNP0303> can't assign resources (port)unknown: <PNP0c02> can't assign resources (memory)unknown: <PNP0c02> can't assign resources (memory)unknown: <PNP0f13> can't assign resources (irq)unknown: <PNP0700> can't assign resources (port)ppc1: parallel port not found.Timecounter "TSC" frequency 2597809888 Hz quality 800Timecounters tick every 1.000 msecad0: 38154MB <IC25N040ATMR04 0 MO2OAD4A> at ata0-master UDMA100acd0: CDRW <UJDA740 DVD/CDRW/1.21> at ata1-master UDMA33Trying to mount root from ufs:/dev/ad0s3aumass0: vendor 0x0457 USB Mass Storage Device, rev 2.00/1.00, addr 2da0 at umass-sim0 bus 0 target 0 lun 0da0: <USB 2.0 Flash Disk 0.00> Removable Direct Access SCSI-2 device da0: 40.000MB/s transfersda0: 980MB (2007040 512 byte sectors: 64H 32S/T 980C)
 
---------------------------------------------
 
The freeze happens at this line "sio0: type 8250 or not responding"
 
Please note that the above dmesg is with acpi disabled, but the same line does appear in both modes, Here is a link to the asl file http://www.fileden.com/files/2007/11/28/1613605/name-system.asl which I got with this command : acpidump -dt > name-system.asl
Sorry If I did not submit all the right details, please let me know if I have to submit anything else,
 
Kind Regards,
Stephen Butler
 
 
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