Hi, After resuming from suspend uhidev doesn't attach automatically (like uvideo or umass do), so I have to unplug and replug my usb keyboard or mouse (and then they work fine). It has probably something to do with ohci.
dmesg: OpenBSD 5.0-current (GENERIC.MP) #137: Sun Nov 20 16:36:55 MST 2011 dera...@amd64.openbsd.org:/usr/src/sys/arch/amd64/compile/GENERIC.MP real mem = 1876754432 (1789MB) avail mem = 1812717568 (1728MB) mainbus0 at root bios0 at mainbus0: SMBIOS rev. 2.5 @ 0xf0920 (43 entries) bios0: vendor LENOVO version "6XET47WW (1.30 )" date 12/30/2010 bios0: LENOVO 3508RL6 acpi0 at bios0: rev 2 acpi0: sleep states S0 S3 S4 S5 acpi0: tables DSDT FACP TCPA SSDT APIC MCFG HPET SLIC acpi0: wakeup devices PB5_(S5) OHC0(S3) OHC1(S3) OHC2(S3) OHC3(S3) OHC4(S3) P2P_(S5) LID_(S3) acpitimer0 at acpi0: 3579545 Hz, 32 bits acpimadt0 at acpi0 addr 0xfee00000: PC-AT compat cpu0 at mainbus0: apid 0 (boot processor) cpu0: AMD Athlon(tm) Neo X2 Dual Core Processor L335, 1597.12 MHz cpu0: FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,MMX,FXSR,SSE,SSE2,HTT,SSE3,CX16,NXE,MMXX,FFXSR,LONG,3DNOW2,3DNOW cpu0: 64KB 64b/line 2-way I-cache, 64KB 64b/line 2-way D-cache, 256KB 64b/line 16-way L2 cache cpu0: ITLB 32 4KB entries fully associative, 8 4MB entries fully associative cpu0: DTLB 32 4KB entries fully associative, 8 4MB entries fully associative cpu0: apic clock running at 199MHz cpu1 at mainbus0: apid 1 (application processor) cpu1: AMD Athlon(tm) Neo X2 Dual Core Processor L335, 1596.00 MHz cpu1: FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,MMX,FXSR,SSE,SSE2,HTT,SSE3,CX16,NXE,MMXX,FFXSR,LONG,3DNOW2,3DNOW cpu1: 64KB 64b/line 2-way I-cache, 64KB 64b/line 2-way D-cache, 256KB 64b/line 16-way L2 cache cpu1: ITLB 32 4KB entries fully associative, 8 4MB entries fully associative cpu1: DTLB 32 4KB entries fully associative, 8 4MB entries fully associative ioapic0 at mainbus0: apid 2 pa 0xfec00000, version 21, 24 pins acpimcfg0 at acpi0 addr 0xe0000000, bus 0-3 acpihpet0 at acpi0: 14318180 Hz acpiprt0 at acpi0: bus 0 (PCI0) acpiprt1 at acpi0: bus 2 (PB5_) acpiprt2 at acpi0: bus 4 (P2P_) acpiprt3 at acpi0: bus 1 (AGP_) acpiec0 at acpi0 acpicpu0 at acpi0: C3, C2, PSS acpicpu1 at acpi0: PSS acpitz0 at acpi0: critical temperature is 92 degC acpibtn0 at acpi0: PWRB acpibtn1 at acpi0: SLPB acpithinkpad0 at acpi0 acpiac0 at acpi0: AC unit online acpibat0 at acpi0: BAT1 model "42T4785" serial 958 type LION oem "SANYO" acpibtn2 at acpi0: LID_ cpu0: PowerNow! K8 1596 MHz: speeds: 1600 800 MHz pci0 at mainbus0 bus 0 pchb0 at pci0 dev 0 function 0 "AMD RS780 Host" rev 0x00 ppb0 at pci0 dev 1 function 0 "AMD RS780 PCIE" rev 0x00 pci1 at ppb0 bus 1 vga1 at pci1 dev 5 function 0 "ATI Radeon HD 3200" rev 0x00 wsdisplay0 at vga1 mux 1: console (80x25, vt100 emulation) wsdisplay0: screen 1-5 added (80x25, vt100 emulation) radeondrm0 at vga1: apic 2 int 18 drm0 at radeondrm0 ppb1 at pci0 dev 5 function 0 "AMD RS780 PCIE" rev 0x00: msi pci2 at ppb1 bus 2 re0 at pci2 dev 0 function 0 "Realtek 8168" rev 0x03: RTL8168D/8111D (0x2800), apic 2 int 17, address c8:0a:a9:cc:b0:01 rgephy0 at re0 phy 7: RTL8169S/8110S PHY, rev. 2 ahci0 at pci0 dev 17 function 0 "ATI SBx00 SATA" rev 0x00: apic 2 int 22, AHCI 1.1 scsibus0 at ahci0: 32 targets sd0 at scsibus0 targ 0 lun 0: <ATA, WDC WD2500BEVT-0, 02.0> SCSI3 0/direct fixed naa.50014ee204a69fb1 sd0: 238475MB, 512 bytes/sector, 488397168 sectors ohci0 at pci0 dev 18 function 0 "ATI SB700 USB" rev 0x00: apic 2 int 16, version 1.0, legacy support ohci1 at pci0 dev 18 function 1 "ATI SB700 USB" rev 0x00: apic 2 int 16, version 1.0, legacy support ehci0 at pci0 dev 18 function 2 "ATI SB700 USB2" rev 0x00: apic 2 int 17 usb0 at ehci0: USB revision 2.0 uhub0 at usb0 "ATI EHCI root hub" rev 2.00/1.00 addr 1 ohci2 at pci0 dev 19 function 0 "ATI SB700 USB" rev 0x00: apic 2 int 18, version 1.0, legacy support ehci1 at pci0 dev 19 function 2 "ATI SB700 USB2" rev 0x00: apic 2 int 19 usb1 at ehci1: USB revision 2.0 uhub1 at usb1 "ATI EHCI root hub" rev 2.00/1.00 addr 1 piixpm0 at pci0 dev 20 function 0 "ATI SBx00 SMBus" rev 0x3c: SMI iic0 at piixpm0 spdmem0 at iic0 addr 0x51: 2GB DDR2 SDRAM non-parity PC2-5300CL5 SO-DIMM azalia0 at pci0 dev 20 function 2 "ATI SBx00 HD Audio" rev 0x00: apic 2 int 16 azalia0: codecs: Conexant/0x5066 audio0 at azalia0 pcib0 at pci0 dev 20 function 3 "ATI SB700 ISA" rev 0x00 ppb2 at pci0 dev 20 function 4 "ATI SB600 PCI" rev 0x00 pci3 at ppb2 bus 4 pchb1 at pci0 dev 24 function 0 "AMD AMD64 0Fh HyperTransport" rev 0x00 pchb2 at pci0 dev 24 function 1 "AMD AMD64 0Fh Address Map" rev 0x00 pchb3 at pci0 dev 24 function 2 "AMD AMD64 0Fh DRAM Cfg" rev 0x00 kate0 at pci0 dev 24 function 3 "AMD AMD64 0Fh Misc Cfg" rev 0x00: core rev BH-G2 usb2 at ohci0: USB revision 1.0 uhub2 at usb2 "ATI OHCI root hub" rev 1.00/1.00 addr 1 usb3 at ohci1: USB revision 1.0 uhub3 at usb3 "ATI OHCI root hub" rev 1.00/1.00 addr 1 usb4 at ohci2: USB revision 1.0 uhub4 at usb4 "ATI OHCI root hub" rev 1.00/1.00 addr 1 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 wsmouse1 at pms0 mux 0 pms0: Synaptics touchpad, firmware 7.4 pcppi0 at isa0 port 0x61 spkr0 at pcppi0 mtrr: Pentium Pro MTRR support umass0 at uhub1 port 1 configuration 1 interface 0 "Generic USB2.0-CRW" rev 2.00/58.88 addr 2 umass0: using SCSI over Bulk-Only scsibus1 at umass0: 2 targets, initiator 0 sd1 at scsibus1 targ 1 lun 0: <Generic-, Multi-Card, 1.00> SCSI0 0/direct removable serial.0bda0158114173400000 uvideo0 at uhub1 port 2 configuration 1 interface 0 "Image Processor Integrated Camera" rev 2.00/30.08 addr 3 video0 at uvideo0 vscsi0 at root scsibus2 at vscsi0: 256 targets softraid0 at root scsibus3 at softraid0: 256 targets root on sd0a (ef779c8e627ac39e.a) swap on sd0b dump on sd0b sd2 at scsibus3 targ 1 lun 0: <OPENBSD, SR CRYPTO, 005> SCSI2 0/direct fixed sd2: 206221MB, 512 bytes/sector, 422340976 sectors uhidev0 at uhub2 port 1 configuration 1 interface 0 "Mitsumi product 0x8801" rev 2.00/1.12 addr 2 uhidev0: iclass 3/1 ukbd0 at uhidev0: 8 modifier keys, 6 key codes wskbd1 at ukbd0 mux 1 wskbd1: connecting to wsdisplay0 uhidev1 at uhub2 port 1 configuration 1 interface 1 "Mitsumi product 0x8801" rev 2.00/1.12 addr 2 uhidev1: iclass 3/0, 2 report ids uhid0 at uhidev1 reportid 1: input=1, output=0, feature=0 uhid1 at uhidev1 reportid 2: input=2, output=0, feature=0 sd1 detached scsibus1 detached umass0 detached umass0 at uhub1 port 1 configuration 1 interface 0 "Generic USB2.0-CRW" rev 2.00/58.88 addr 2 umass0: using SCSI over Bulk-Only scsibus1 at umass0: 2 targets, initiator 0 sd1 at scsibus1 targ 1 lun 0: <Generic-, Multi-Card, 1.00> SCSI0 0/direct removable serial.0bda0158114173400000 video0 detached uvideo0 detached uvideo0 at uhub1 port 2 configuration 1 interface 0 "Image Processor Integrated Camera" rev 2.00/30.08 addr 3 video0 at uvideo0 wskbd1: disconnecting from wsdisplay0 wskbd1 detached ukbd0 detached uhidev0 detached uhid0 detached uhid1 detached uhidev1 detached uhidev0 at uhub2 port 1 configuration 1 interface 0 "A4Tech PS/2+USB Mouse" rev 1.10/0.02 addr 2 uhidev0: iclass 3/1 ums0 at uhidev0: 8 buttons, Z dir wsmouse2 at ums0 mux 0 sd1 detached scsibus1 detached umass0 detached umass0 at uhub1 port 1 configuration 1 interface 0 "Generic USB2.0-CRW" rev 2.00/58.88 addr 2 umass0: using SCSI over Bulk-Only scsibus1 at umass0: 2 targets, initiator 0 sd1 at scsibus1 targ 1 lun 0: <Generic-, Multi-Card, 1.00> SCSI0 0/direct removable serial.0bda0158114173400000 video0 detached uvideo0 detached uvideo0 at uhub1 port 2 configuration 1 interface 0 "Image Processor Integrated Camera" rev 2.00/30.08 addr 3 video0 at uvideo0 usbdevs -vv: Controller /dev/usb0: addr 1: high speed, self powered, config 1, EHCI root hub(0x0000), ATI(0x1002), rev 1.00 port 1 powered port 2 powered port 3 powered port 4 powered port 5 powered port 6 powered Controller /dev/usb1: addr 1: high speed, self powered, config 1, EHCI root hub(0x0000), ATI(0x1002), rev 1.00 port 1 addr 2: high speed, power 500 mA, config 1, USB2.0-CRW(0x0158), Generic(0x0bda), rev 58.88, iSerialNumber 20071114173400000 port 2 addr 3: high speed, power 500 mA, config 1, Integrated Camera(0xb1b4), Image Processor(0x04f2), rev 30.08, iSerialNumber Integrated Camera port 3 powered port 4 powered port 5 powered port 6 powered Controller /dev/usb2: addr 1: full speed, self powered, config 1, OHCI root hub(0x0000), ATI(0x1002), rev 1.00 port 1 addr 2: low speed, power 100 mA, config 1, product 0x000a(0x000a), A-FOUR TECH(0x09da), rev 0.02 port 2 powered port 3 powered Controller /dev/usb3: addr 1: full speed, self powered, config 1, OHCI root hub(0x0000), ATI(0x1002), rev 1.00 port 1 powered port 2 powered port 3 powered Controller /dev/usb4: addr 1: full speed, self powered, config 1, OHCI root hub(0x0000), ATI(0x1002), rev 1.00 port 1 powered port 2 powered port 3 powered -- Alexander Polakov | plhk.ru