i have the same issue, which i reported in
http://marc.info/?l=openbsd-misc&m=119608530213184&w=2
then i had angry mail from Theo (WRT lack of information), though
he listed a few of developers who i needed to contact. i did some
more progres (like backtracing the core from -g compiled acpidump)
and sent to those developers; there's no news since then.

the problem is there in the -current. i upgraded the bios of the
notebook (just in case there is something wrong with it), but the
problem remains. the worst thing is those notebooks have no
other means to access various hardware stuff (e.g. sensors),
only via ACPI.

unfortunately i have no spare time whatsoever to read ACPI
specs, because the assert that fails in acpidump points (as
far as i understand) that ACPI script's structure causes
problems to OpenBSD ACPI parser (non-standard things?).

On Thu, Apr 3, 2008 at 12:32 PM, Raimo Niskanen
<[EMAIL PROTECTED]> wrote:
> I also have ACPI problems on a HP notebook. Mine is a hp2510p,
>  and it kernel panics during boot.  I have reported this to
>  [EMAIL PROTECTED] a few times.
>
>  For me it has worked to boot and crash,
>  UKC> trace
>  UKC> ps
>  UKC> boot reboot
>  boot with -c,
>  UKC> disable acpi
>  UKC> exit
>  and let it boot without ACPI. And magically, when booted,
>  the dmesg contains both boots; put it on e.g an USB key.
>
>  acpidump core dumps for mee too. I have sent in the
>  broken results as well as the core file. I do not
>  if someone is trying to solve the problem, though.
>
>  I have not tried the MP kernel.
>
>
>
>  On Thu, Apr 03, 2008 at 10:59:01AM +0200, Daniele Pilenga wrote:
>  > Hi guys,
>  > I have this notebook on which I'd like to install (and use!) OpenBSD,
>  > but I have a little problem.
>  >
>  > If I leave ACPI anabled, as per default on this Apr 1st snapshot, the
>  > /bsd kernel reboots after cpu probing
>  > (more or less, I don't have any serial so I cannot see very clearly,
>  > it's too fast) and the /bsd.mp kernel hangs at some
>  > acpi probing.
>  >
>  > Enabling verbose mode is not very helpful since it scrolls down too
>  > fast and in both cases rebooting the machine does not
>  > leave the dmesg in memory.
>  >
>  > I already tried disabling some random driver, but since I cannot see
>  > where the problem is I don't even know what to
>  > look for.
>  >
>  > It would not be that bad living without acpi, but the MP kernel cannot
>  > see both cpu cores, so I hope there is something
>  > I could try.
>  >
>  > It seems there is a problem with the audio, but I'll leave that for later. 
> :-)
>  >
>  > Dmesg follows, please let me know if there is something else you need
>  > or if you have any suggestion.
>  > BTW, acpidump core dumps, but may be related to the non-acpi kernel.
>  >
>  > Thank you,
>  > D.
>  >
>  > OpenBSD 4.3-current (GENERIC) #732: Tue Apr  1 00:54:18 MDT 2008
>  >
>  >     [EMAIL PROTECTED]:/usr/src/sys/arch/i386/compile/GENERIC
>  >
>  > cpu0: Genuine Intel(R) CPU T2600 @ 2.16GHz ("GenuineIntel" 686-class) 2.17 
> GHz
>  >
>  > cpu0: 
> FPU,V86,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,SBF,SSE3,MWAIT,VMX,EST,TM2,xTPR
>  >
>  > real mem  = 2146856960 (2047MB)
>  >
>  > avail mem = 2067857408 (1972MB)
>  >
>  > User Kernel Config
>  >
>  > UKC> disable acpi
>  >
>  > 422 acpi0 disabled
>  >
>  > UKC> quit
>  >
>  > Continuing...
>  >
>  > mainbus0 at root
>  >
>  > bios0 at mainbus0: AT/286+ BIOS, date 03/05/08, BIOS32 rev. 0 @
>  > 0xf0000, SMBIOS rev. 2.4 @ 0xf3b77 (23 entries)
>  >
>  > bios0: vendor Hewlett-Packard version "68YAF Ver. F.1C" date 03/05/2008
>  >
>  > bios0: Hewlett-Packard HP Compaq nw9440 (EY314EA#ABZ)
>  >
>  > acpi at bios0 function 0x0 not configured
>  >
>  > pcibios0 at bios0: rev 2.1 @ 0xf0000/0x2000
>  >
>  > pcibios0: PCI IRQ Routing Table rev 1.0 @ 0xf07c0/208 (11 entries)
>  >
>  > pcibios0: bad IRQ table checksum
>  >
>  > pcibios0: PCI IRQ Routing Table rev 1.0 @ 0xf9990/208 (11 entries)
>  >
>  > pcibios0: PCI Exclusive IRQs: 5 10 11
>  >
>  > pcibios0: PCI Interrupt Router at 000:31:0 ("Intel 82801FBM LPC" rev 0x00)
>  >
>  > pcibios0: PCI bus #32 is the last bus
>  >
>  > bios0: ROM list: 0xc0000/0xdc00 0xd0000/0x1000 0xd1000/0x1800
>  >
>  > cpu0 at mainbus0
>  >
>  > cpu0: unknown Enhanced SpeedStep CPU, msr 0x06130d2c06000d2c
>  >
>  > cpu0: using only highest and lowest power states
>  >
>  > cpu0: Enhanced SpeedStep 2167 MHz (1404 mV): speeds: 2167, 1000 MHz
>  >
>  > pci0 at mainbus0 bus 0: configuration mode 1 (no bios)
>  >
>  > pchb0 at pci0 dev 0 function 0 "Intel 82945GM Host" rev 0x03
>  >
>  > ppb0 at pci0 dev 1 function 0 "Intel 82945GM PCIE" rev 0x03
>  >
>  > pci1 at ppb0 bus 1
>  >
>  > vga1 at pci1 dev 0 function 0 vendor "NVIDIA", unknown product 0x029b rev 
> 0xa1
>  >
>  > wsdisplay0 at vga1 mux 1: console (80x25, vt100 emulation)
>  >
>  > wsdisplay0: screen 1-5 added (80x25, vt100 emulation)
>  >
>  > agp0 at vga1: no integrated graphics
>  >
>  > azalia0 at pci0 dev 27 function 0 "Intel 82801GB HD Audio" rev 0x01: irq 10
>  >
>  > azalia0: codec[s]: Analog Devices/0x1981, Conexant/0x2bfa, using
>  > Analog Devices/0x1981
>  >
>  > audio0 at azalia0
>  >
>  > ppb1 at pci0 dev 28 function 0 "Intel 82801GB PCIE" rev 0x01: irq 10
>  >
>  > pci2 at ppb1 bus 8
>  >
>  > bge0 at pci2 dev 0 function 0 "Broadcom BCM5753M" rev 0x21, BCM5750 C1
>  > (0x4201): irq 10, address 00:16:d4:0c:fc:f0
>  >
>  > brgphy0 at bge0 phy 1: BCM5750 10/100/1000baseT PHY, rev. 0
>  >
>  > ppb2 at pci0 dev 28 function 1 "Intel 82801GB PCIE" rev 0x01: irq 10
>  >
>  > pci3 at ppb2 bus 16
>  >
>  > wpi0 at pci3 dev 0 function 0 "Intel PRO/Wireless 3945ABG" rev 0x02:
>  > irq 10, MoW2, address 00:13:02:51:af:9d
>  >
>  > ppb3 at pci0 dev 28 function 3 "Intel 82801GB PCIE" rev 0x01: irq 5
>  >
>  > pci4 at ppb3 bus 32
>  >
>  > uhci0 at pci0 dev 29 function 0 "Intel 82801GB USB" rev 0x01: irq 10
>  >
>  > uhci1 at pci0 dev 29 function 1 "Intel 82801GB USB" rev 0x01: irq 11
>  >
>  > uhci2 at pci0 dev 29 function 2 "Intel 82801GB USB" rev 0x01: irq 11
>  >
>  > uhci3 at pci0 dev 29 function 3 "Intel 82801GB USB" rev 0x01: irq 5
>  >
>  > ehci0 at pci0 dev 29 function 7 "Intel 82801GB USB" rev 0x01: irq 10
>  >
>  > usb0 at ehci0: USB revision 2.0
>  >
>  > uhub0 at usb0 "Intel EHCI root hub" rev 2.00/1.00 addr 1
>  >
>  > ppb4 at pci0 dev 30 function 0 "Intel 82801BAM Hub-to-PCI" rev 0xe1
>  >
>  > pci5 at ppb4 bus 2
>  >
>  > cbb0 at pci5 dev 6 function 0 "TI PCIXX12 CardBus" rev 0x00: irq 11
>  >
>  > "TI PCIXX12 FireWire" rev 0x00 at pci5 dev 6 function 1 not configured
>  >
>  > "TI PCIXX12 Multimedia Card Reader" rev 0x00 at pci5 dev 6 function 2
>  > not configured
>  >
>  > sdhc0 at pci5 dev 6 function 3 "TI PCIXX12 Secure Data" rev 0x00: irq 11
>  >
>  > sdmmc0 at sdhc0
>  >
>  > "TI PCIXX12 Smart Card" rev 0x00 at pci5 dev 6 function 4 not configured
>  >
>  > cardslot0 at cbb0 slot 0 flags 0
>  >
>  > cardbus0 at cardslot0: bus 3 device 0 cacheline 0x10, lattimer 0x20
>  >
>  > pcmcia0 at cardslot0
>  >
>  > ichpcib0 at pci0 dev 31 function 0 "Intel 82801GBM LPC" rev 0x01: PM 
> disabled
>  >
>  > pciide0 at pci0 dev 31 function 1 "Intel 82801GB IDE" rev 0x01: DMA,
>  > channel 0 configured to compatibility, channel 1 configured to
>  > compatibility
>  >
>  > atapiscsi0 at pciide0 channel 0 drive 0
>  >
>  > scsibus0 at atapiscsi0: 2 targets
>  >
>  > cd0 at scsibus0 targ 0 lun 0: <HL-DT-ST, DVDRAM GMA-4082N, HQ04> SCSI0
>  > 5/cdrom removable
>  >
>  > cd0(pciide0:0:0): using PIO mode 4, DMA mode 2
>  >
>  > pciide0: channel 1 ignored (disabled)
>  >
>  > ahci0 at pci0 dev 31 function 2 "Intel 82801GBM AHCI" rev 0x01: irq 10, 
> AHCI 1.1
>  >
>  > scsibus1 at ahci0: 32 targets
>  >
>  > sd0 at scsibus1 targ 0 lun 0: <ATA, HTS721080G9SA00, MC4O> SCSI3 0/direct 
> fixed
>  >
>  > sd0: 76319MB, 9729 cyl, 255 head, 63 sec, 512 bytes/sec, 156301488 sec 
> total
>  >
>  > usb1 at uhci0: USB revision 1.0
>  >
>  > uhub1 at usb1 "Intel UHCI root hub" rev 1.00/1.00 addr 1
>  >
>  > usb2 at uhci1: USB revision 1.0
>  >
>  > uhub2 at usb2 "Intel UHCI root hub" rev 1.00/1.00 addr 1
>  >
>  > usb3 at uhci2: USB revision 1.0
>  >
>  > uhub3 at usb3 "Intel UHCI root hub" rev 1.00/1.00 addr 1
>  >
>  > usb4 at uhci3: USB revision 1.0
>  >
>  > uhub4 at usb4 "Intel UHCI root hub" rev 1.00/1.00 addr 1
>  >
>  > isa0 at ichpcib0
>  >
>  > isadma0 at isa0
>  >
>  > pckbc0 at isa0 port 0x60/5
>  >
>  > pckbd0 at pckbc0 (kbd slot)
>  >
>  > pckbc0: using irq 1 for kbd slot
>  >
>  > wskbd0 at pckbd0: console keyboard, using wsdisplay0
>  >
>  > pmsi0 at pckbc0 (aux slot)
>  >
>  > pckbc0: using irq 12 for aux slot
>  >
>  > wsmouse0 at pmsi0 mux 0
>  >
>  > pcppi0 at isa0 port 0x61
>  >
>  > midi0 at pcppi0: <PC speaker>
>  >
>  > spkr0 at pcppi0
>  >
>  > npx0 at isa0 port 0xf0/16: reported by CPUID; using exception 16
>  >
>  > biomask effd netmask effd ttymask ffff
>  >
>  > mtrr: Pentium Pro MTRR support
>  >
>  > ugen0 at uhub1 port 1 "Broadcom Corp HP Integrated Module" rev 2.00/1.00 
> addr 2
>  >
>  > uhidev0 at uhub3 port 1 configuration 1 interface 0 "Microsoft Basic
>  > Optical Mouse" rev 1.10/0.00 addr 2
>  >
>  > uhidev0: iclass 3/1
>  >
>  > ums0 at uhidev0: 3 buttons and Z dir.
>  >
>  > wsmouse1 at ums0 mux 0
>  >
>  > ugen1 at uhub1 port 2 "AuthenTec Fingerprint Sensor" rev 1.10/6.21 addr 3
>  >
>  > softraid0 at root
>  >
>  > root on sd0a swap on sd0b dump on sd0b
>  >
>  >
>  > Links:
>  > HP description:
>  > 
> http://h10010.www1.hp.com/wwpc/us/en/sm/WF10a/321957-321957-64295-321838-3329741-1839859.html?jumpid=oc_R1002_USENC-001_HP%20Compaq%20nw9440%20Mobile%20Workstation&lang=en&cc=us
>
>  --
>
>  / Raimo Niskanen, Erlang/OTP, Ericsson AB

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