Hi misc, I have 1.5 - 2 min. pause after syncing disk before power down by `shutdown -hp now` or `halt -p`. How can I watch what system doing at this time? I think that problem caused by some ACPI error.
dmesg log: OpenBSD 5.3 (GENERIC.MP) #62: Tue Mar 12 18:21:20 MDT 2013 dera...@amd64.openbsd.org:/usr/src/sys/arch/amd64/compile/GENERIC.MP real mem = 4189995008 (3995MB) avail mem = 4055961600 (3868MB) mainbus0 at root bios0 at mainbus0: SMBIOS rev. 2.7 @ 0xeb170 (52 entries) bios0: vendor Intel Corp. version "KPC2060H.86B.0023.2012.0710.2049" date 07/10/2012 bios0: Intel Corporation S1200KP acpi0 at bios0: rev 2 acpi0: sleep states S0 S3 S4 S5 acpi0: tables DSDT FACP APIC SSDT MCFG HPET EINJ ERST HEST BERT acpi0: wakeup devices PS2K(S3) PS2M(S3) UAR1(S3) P0P1(S4) P0P2(S4) P0P3(S4) P0P4(S4) GBE_(S4) BR20(S3) EUSB(S3) USBE(S3) PEX0(S4) BR21(S4) PEX1(S4) PEX2(S4) PEX3(S4) PEX4(S4) PEX5(S4) PEX6(S4) PEX7(S4) SLPB(S0) PWRB(S3) 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) i3-2120T CPU @ 2.60GHz, 2594.49 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,POPCNT,DEADLINE,XSAVE,AVX,NXE,LONG,LAHF,PERF,ITSC 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) i3-2120T CPU @ 2.60GHz, 2594.11 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,POPCNT,DEADLINE,XSAVE,AVX,NXE,LONG,LAHF,PERF,ITSC cpu1: 256KB 64b/line 8-way L2 cache ioapic0 at mainbus0: apid 0 pa 0xfec00000, version 20, 24 pins 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 (P0P2) acpiprt3 at acpi0: bus -1 (P0P3) acpiprt4 at acpi0: bus -1 (P0P4) acpiprt5 at acpi0: bus 1 (PEX0) acpiprt6 at acpi0: bus -1 (BR21) acpiprt7 at acpi0: bus 2 (PEX1) acpiprt8 at acpi0: bus -1 (PEX2) acpiprt9 at acpi0: bus -1 (PEX3) acpiprt10 at acpi0: bus -1 (PEX4) acpiprt11 at acpi0: bus -1 (PEX5) acpiprt12 at acpi0: bus -1 (PEX6) acpiprt13 at acpi0: bus -1 (PEX7) acpicpu0 at acpi0: C3, C2, C1, PSS acpicpu1 at acpi0: C3, C2, C1, PSS acpibtn0 at acpi0: SLPB acpibtn1 at acpi0: PWRB cpu0: Enhanced SpeedStep 2594 MHz: speeds: 2600, 2500, 2400, 2300, 2200, 2100, 2000, 1900, 1800, 1700, 1600 MHz pci0 at mainbus0 bus 0 pchb0 at pci0 dev 0 function 0 "Intel Core 2G Host" rev 0x09 vga1 at pci0 dev 2 function 0 "Intel HD Graphics 2000" rev 0x09 wsdisplay0 at vga1 mux 1: console (80x25, vt100 emulation) wsdisplay0: screen 1-5 added (80x25, vt100 emulation) intagp0 at vga1 agp0 at intagp0: aperture at 0xe0000000, size 0x10000000 inteldrm0 at vga1: apic 0 int 16 drm0 at inteldrm0 "Intel 6 Series MEI" rev 0x04 at pci0 dev 22 function 0 not configured em0 at pci0 dev 25 function 0 "Intel 82579LM" rev 0x05: msi, address 4c:72:b9:24:dd:bc ehci0 at pci0 dev 26 function 0 "Intel 6 Series USB" rev 0x05: apic 0 int 16 usb0 at ehci0: USB revision 2.0 uhub0 at usb0 "Intel EHCI root hub" rev 2.00/1.00 addr 1 ppb0 at pci0 dev 28 function 0 "Intel 6 Series PCIE" rev 0xb5: msi pci1 at ppb0 bus 1 ppb1 at pci0 dev 28 function 1 "Intel 6 Series PCIE" rev 0xb5: msi pci2 at ppb1 bus 2 em1 at pci2 dev 0 function 0 "Intel PRO/1000 MT (82574L)" rev 0x00: msi, address 4c:72:b9:24:dd:bd ehci1 at pci0 dev 29 function 0 "Intel 6 Series USB" rev 0x05: apic 0 int 23 usb1 at ehci1: USB revision 2.0 uhub1 at usb1 "Intel EHCI root hub" rev 2.00/1.00 addr 1 ppb2 at pci0 dev 30 function 0 "Intel 82801BA Hub-to-PCI" rev 0xa5 pci3 at ppb2 bus 3 pcib0 at pci0 dev 31 function 0 "Intel C206 LPC" rev 0x05 ahci0 at pci0 dev 31 function 2 "Intel 6 Series AHCI" rev 0x05: msi, AHCI 1.3 scsibus0 at ahci0: 32 targets sd0 at scsibus0 targ 0 lun 0: <ATA, OCZ-VERTEX3, 2.25> SCSI3 0/direct fixed naa.5e83a97e96c8a0eb sd0: 57241MB, 512 bytes/sector, 117231408 sectors, thin ichiic0 at pci0 dev 31 function 3 "Intel 6 Series SMBus" rev 0x05: apic 0 int 18 iic0 at ichiic0 sdtemp0 at iic0 addr 0x18: stts2002 spdmem0 at iic0 addr 0x50: 4GB DDR3 SDRAM ECC PC3-10600 with thermal sensor 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 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 uhub3 at uhub1 port 1 "Intel Rate Matching Hub" rev 2.00/0.00 addr 2 vscsi0 at root scsibus1 at vscsi0: 256 targets softraid0 at root scsibus2 at softraid0: 256 targets root on sd0a (7597f180d6eaf89d.a) swap on sd0b dump on sd0b