asus ux31a running amd64 sept 11 snapshot, newest bios (happened with older one too), panics during acpi configuration.
acpidump is at https://jcs.org/tmp/asusux31a-acpidump.tar.gz hand-copied panic (can't get the info to show up after a reboot): acpicpu0 at acpi0Store to default type! 8 01a4 Called: \_PR_.CPU0._PDC arg0: 0xffff800000211488 cnt:01 stk:00 buffer: 0c {01, 00, 00, 00, 01, 00, 00, 00, 3b, 03, 00, 00} panic: aml_die aml_store:2597 _aml_die() at _aml_die+0x183 aml_store() at aml_store+0xbb aml_parse() at aml_parse+0xcd7 aml_eval() at aml_eval+0x1c8 aml_evalnode() at aml_evalnode+0x63 acpicpu_set_pdc() at acpicpu_set_pdc+0x8c acpicpu_attach() at acpicpu_attach+0x9e config_attach() at config_attach+0x1d4 acpi_add_device() at acpi_add_device+0x9d aml_walknodes() at aml_walknodes+0x7b aml_walknodes() at aml_walknodes+0x51 aml_walknodes() at aml_walknodes+0x51 acpi_attach() at acpi_attach+0x508 ... if acpicpu is disabled, it panics during acpivout configuration: acpivideo0 at acpi0: GFX0 acpivout0 at acpivideo0: LCDD [\_SB_.PCI0.LPCB.EC0_.PWAC] 0xffff8000001ca988 cnt:02 stk:00 buffer: 40 {1b, 2e, 3b, 48, 55, 61, 6e, 7b, 9a, c5, ff, ff, ff, ff, ff, ff, 11, 21, 2f, 40, 4e, 5f, 6d, 7b, 9a, c5, ff, ff, ff, ff, ff, ff, ff, ff, ff, ff, ff, ff, ff, ff, ff, ff, ff, ff, ff, ff, ff, ff, ff, ff, ff, ff, ff, ff, ff, ff, ff, ff, ff, ff, ff, ff, ff, ff} Index out of bounds 3818/64 5208 Called: \_SB.PCI0.GF0.LCDD._BCL local0: 0xffff80000020fa88 cnt:01 stk:60 integer: 0 local3: 0xffff80000020db88 cnt:02 stk:63 integer: eea local4: 0xffff800000205508 cnt:01 stk:64 integer: ee0 51dc Called: \_SB_.PCI0.GFX0.LCDD._BCL local0: 0xffff80000020fa88 cnt:01 stk:60 integer: 0 local3: 0xffff80000020db88 cnt:02 stk:63 integer: eea local4: 0xffff800000205508 cnt:01 stk:64 integer: ee0 5529 Called: \_SB_.PCI0.GFX0.LCDD._BCL local0: 0xffff80000020fa88 cnt:01 stk:60 integer: 0 local3: 0xffff80000020db88 cnt:02 stk:63 integer: eea local4: 0xffff800000205508 cnt:01 stk:64 integer: ee0 panic: aml_die aml_parse:3582 _aml_die() at _aml_die+0x183 aml_parse() at aml_parse+0x15ab aml_parse() at aml_parse+0x1dc aml_parse() at aml_parse+0x1dc aml_eval() at aml_eval+0x1c8 aml_evalnode() at aml_evalnode+0x63 acpivout_get_bcl() at acpivout_get_bcl+0x34 config_attach() at config_attach+0x1d4 if acpicpu and acpivout are disabled, it boots (dmesg below). OpenBSD 5.2-current (GENERIC.MP) #5: Wed Sep 12 20:27:04 CDT 2012 j...@foo.superblock.net:/usr/src/sys/arch/amd64/compile/GENERIC.MP real mem = 4173492224 (3980MB) avail mem = 4039966720 (3852MB) User Kernel Config UKC> disable acpivout 355 acpivout* disabled UKC> disable acpicpu 342 acpicpu* disabled UKC> exit Continuing... mainbus0 at root bios0 at mainbus0: SMBIOS rev. 2.7 @ 0xeba60 (23 entries) bios0: vendor American Megatrends Inc. version "UX31A.212" date 08/03/2012 bios0: ASUSTeK COMPUTER INC. UX31A acpi0 at bios0: rev 2 acpi0: sleep states S0 S3 S4 S5 acpi0: tables DSDT FACP APIC FPDT ECDT MCFG SSDT SSDT SSDT SSDT SLIC HPET SSDT SSDT SSDT SSDT DMAR acpi0: wakeup devices P0P1(S4) PEG0(S4) PEG1(S4) PEG2(S4) PEG3(S4) XHC1(S3) USB1(S3) USB2(S3) USB3(S3) USB4(S3) EHC2(S3) USB5(S3) USB6(S3) USB7(S3) HDEF(S4) RP01(S4) RP02(S4) WLAN(S3) RP03(S4) RP04(S4) RP05(S4) RP06(S4) RP07(S4) RP08(S4) EHC1(S3) XHC_(S3) SLPB(S4) acpitimer0 at acpi0: 3579545 Hz, 24 bits acpimadt0 at acpi0 addr 0xfee00000: PC-AT compat cpu0 at mainbus0: apid 0 (boot processor) cpu0: Intel(R) Core(TM) i5-3317U CPU @ 1.70GHz, 1696.43 MHz cpu0: FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE,SSE3,PCLMUL,DTES64,MWAIT,DS-CPL,VMX,EST,TM2,SSSE3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,POPCNT,DEADLINE,AES,XSAVE,AVX,F16C,RDRAND,NXE,LONG,LAHF,FSGSBASE,SMEP,INVPCID cpu0: 256KB 64b/line 8-way L2 cache cpu0: apic clock running at 99MHz cpu1 at mainbus0: apid 2 (application processor) cpu1: Intel(R) Core(TM) i5-3317U CPU @ 1.70GHz, 1696.15 MHz cpu1: FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE,SSE3,PCLMUL,DTES64,MWAIT,DS-CPL,VMX,EST,TM2,SSSE3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,POPCNT,DEADLINE,AES,XSAVE,AVX,F16C,RDRAND,NXE,LONG,LAHF,FSGSBASE,SMEP,INVPCID cpu1: 256KB 64b/line 8-way L2 cache cpu2 at mainbus0: apid 1 (application processor) cpu2: Intel(R) Core(TM) i5-3317U CPU @ 1.70GHz, 1696.15 MHz cpu2: FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE,SSE3,PCLMUL,DTES64,MWAIT,DS-CPL,VMX,EST,TM2,SSSE3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,POPCNT,DEADLINE,AES,XSAVE,AVX,F16C,RDRAND,NXE,LONG,LAHF,FSGSBASE,SMEP,INVPCID cpu2: 256KB 64b/line 8-way L2 cache cpu3 at mainbus0: apid 3 (application processor) cpu3: Intel(R) Core(TM) i5-3317U CPU @ 1.70GHz, 1696.15 MHz cpu3: FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE,SSE3,PCLMUL,DTES64,MWAIT,DS-CPL,VMX,EST,TM2,SSSE3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,POPCNT,DEADLINE,AES,XSAVE,AVX,F16C,RDRAND,NXE,LONG,LAHF,FSGSBASE,SMEP,INVPCID cpu3: 256KB 64b/line 8-way L2 cache ioapic0 at mainbus0: apid 2 pa 0xfec00000, version 20, 24 pins acpiec0 at acpi0 acpimcfg0 at acpi0 addr 0xf8000000, bus 0-63 acpihpet0 at acpi0: 14318179 Hz acpiprt0 at acpi0: bus 0 (PCI0) acpiprt1 at acpi0: bus -1 (P0P1) acpiprt2 at acpi0: bus -1 (PEG0) acpiprt3 at acpi0: bus -1 (PEG1) acpiprt4 at acpi0: bus -1 (PEG2) acpiprt5 at acpi0: bus -1 (PEG3) acpiprt6 at acpi0: bus 1 (RP01) acpiprt7 at acpi0: bus 2 (RP02) acpiprt8 at acpi0: bus -1 (RP03) acpiprt9 at acpi0: bus -1 (RP04) acpiprt10 at acpi0: bus -1 (RP05) acpiprt11 at acpi0: bus -1 (RP06) acpiprt12 at acpi0: bus -1 (RP07) acpiprt13 at acpi0: bus -1 (RP08) acpicpu at acpi0 not configured acpicpu at acpi0 not configured acpicpu at acpi0 not configured acpicpu at acpi0 not configured acpitz0 at acpi0acpitz0: THRM: failed to read _CRT : no critical temperature defined acpiac0 at acpi0: AC unit in unknown state acpibat0 at acpi0: BAT0 not present acpibtn0 at acpi0: LID_ acpibtn1 at acpi0: PWRB acpibtn2 at acpi0: SLPB acpivideo0 at acpi0: GFX0 acpivout at acpivideo0 not configured pci0 at mainbus0 bus 0 pchb0 at pci0 dev 0 function 0 "Intel Core 3G Host" rev 0x09 vga1 at pci0 dev 2 function 0 "Intel HD Graphics 4000" rev 0x09 wsdisplay0 at vga1 mux 1: console (80x25, vt100 emulation) wsdisplay0: screen 1-5 added (80x25, vt100 emulation) intagp at vga1 not configured vendor "Intel", unknown product 0x0153 (class DASP subclass miscellaneous, rev 0x09) at pci0 dev 4 function 0 not configured "Intel 7 Series xHCI" rev 0x04 at pci0 dev 20 function 0 not configured "Intel 7 Series MEI" rev 0x04 at pci0 dev 22 function 0 not configured ehci0 at pci0 dev 26 function 0 "Intel 7 Series USB" rev 0x04: apic 2 int 16 usb0 at ehci0: USB revision 2.0 uhub0 at usb0 "Intel EHCI root hub" rev 2.00/1.00 addr 1 azalia0 at pci0 dev 27 function 0 "Intel 7 Series HD Audio" rev 0x04: msi azalia0: codecs: Realtek ALC269, Intel/0x2806, using Realtek ALC269 audio0 at azalia0 ppb0 at pci0 dev 28 function 0 "Intel 7 Series PCIE" rev 0xc4: msi pci1 at ppb0 bus 1 ppb1 at pci0 dev 28 function 1 "Intel 7 Series PCIE" rev 0xc4: msi pci2 at ppb1 bus 2 iwn0 at pci2 dev 0 function 0 "Intel Centrino Advanced-N 6235" rev 0x24: msi, MIMO 2T2R, AGN, address c4:85:08:31:13:1b ehci1 at pci0 dev 29 function 0 "Intel 7 Series USB" rev 0x04: apic 2 int 23 usb1 at ehci1: USB revision 2.0 uhub1 at usb1 "Intel EHCI root hub" rev 2.00/1.00 addr 1 pcib0 at pci0 dev 31 function 0 "Intel HM76 LPC" rev 0x04 ahci0 at pci0 dev 31 function 2 "Intel 7 Series AHCI" rev 0x04: msi, AHCI 1.3 scsibus0 at ahci0: 32 targets sd0 at scsibus0 targ 0 lun 0: <ATA, SanDisk SSD U100, 10.5> SCSI3 0/direct fixed naa.5001b4477dbd185f sd0: 118255MB, 512 bytes/sector, 242187500 sectors, thin ichiic0 at pci0 dev 31 function 3 "Intel 7 Series SMBus" rev 0x04: apic 2 int 18 iic0 at ichiic0 vendor "Intel", unknown product 0x1e24 (class DASP subclass miscellaneous, rev 0x04) at pci0 dev 31 function 6 not configured isa0 at pcib0 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 pms0 at pckbc0 (aux slot) pckbc0: using irq 12 for aux slot wsmouse0 at pms0 mux 0 pcppi0 at isa0 port 0x61 spkr0 at pcppi0 mtrr: Pentium Pro MTRR support uhub2 at uhub0 port 1 "Intel Rate Matching Hub" rev 2.00/0.00 addr 2 ugen0 at uhub2 port 2 "Generic USB2.0-CRW" rev 2.00/39.60 addr 3 uhub3 at uhub1 port 1 "Intel Rate Matching Hub" rev 2.00/0.00 addr 2 axe0 at uhub3 port 2 configuration 1 interface 0 "ASIX Electronics AX88772B" rev 2.00/0.01 addr 3 axe0: AX88772B, address 9c:eb:e8:09:ed:9f ukphy0 at axe0 phy 16: Generic IEEE 802.3u media interface, rev. 1: OUI 0x000ec6, model 0x0008 ugen1 at uhub3 port 6 "Intel product 0x07da" rev 2.00/78.69 addr 4 vscsi0 at root scsibus1 at vscsi0: 256 targets softraid0 at root scsibus2 at softraid0: 256 targets root on sd0a (52e316ddebf2538a.a) swap on sd0b dump on sd0b