On 2012-07-12 16:54, Alan Stern wrote: > On Thu, 12 Jul 2012, Udo van den Heuvel wrote: > >> # cat /proc/interrupts (...) >> 18: 25 190 18052161 21311 IO-APIC-fasteoi >> ohci_hcd:usb5, ohci_hcd:usb6, ohci_hcd:usb7 (...) >> So what can we conclude? > The conclusion is that ohci-hcd is the only driver using IRQ 18. If > you build a kernel with CONFIG_USB_DEBUG enabled, it will be possible > to see if the OHCI hardware is responsible for the IRQ problem. > > When the IRQ line gets disabled again, make a copy of the > > /sys/kernel/debug/usb/ohci/*/registers > > files and post them, along with a copy of > /sys/kernel/debug/usb/devices. After boot: bus pci, device 0000:00:12.0 OHCI Host Controller ohci_hcd OHCI 1.0, NO legacy support registers, rh state running control 0x083 HCFS=operational CBSR=3 cmdstatus 0x00000 SOC=0 intrstatus 0x00000024 FNO SF intrenable 0x8000005a MIE RHSC UE RD WDH ed_controlhead cf83f000 hcca frame 0x4771 fmintvl 0xa7782edf FIT FSMPS=0xa778 FI=0x2edf fmremaining 0x80001f9b FRT FR=0x1f9b periodicstart 0x2a2f lsthresh 0x0628 hub poll timer off roothub.a 02000203 POTPGT=2 NPS NDP=3(3) roothub.b 00000000 PPCM=0000 DR=0000 roothub.status 00008000 DRWE roothub.portstatus [0] 0x00000100 PPS roothub.portstatus [1] 0x00000103 PPS PES CCS roothub.portstatus [2] 0x00000100 PPS bus pci, device 0000:00:12.1 OHCI Host Controller ohci_hcd OHCI 1.0, NO legacy support registers, rh state running control 0x083 HCFS=operational CBSR=3 cmdstatus 0x00000 SOC=0 intrstatus 0x00000024 FNO SF intrenable 0x8000005a MIE RHSC UE RD WDH ed_controlhead cf809000 hcca frame 0x4735 fmintvl 0xa7782edf FIT FSMPS=0xa778 FI=0x2edf fmremaining 0x800019d1 FRT FR=0x19d1 periodicstart 0x2a2f lsthresh 0x0628 hub poll timer off roothub.a 02000203 POTPGT=2 NPS NDP=3(3) roothub.b 00000000 PPCM=0000 DR=0000 roothub.status 00008000 DRWE roothub.portstatus [0] 0x00000100 PPS roothub.portstatus [1] 0x00000103 PPS PES CCS roothub.portstatus [2] 0x00000100 PPS bus pci, device 0000:00:13.0 OHCI Host Controller ohci_hcd OHCI 1.0, NO legacy support registers, rh state running control 0x0af HCFS=operational BLE IE PLE CBSR=3 cmdstatus 0x00004 SOC=0 BLF intrstatus 0x00000024 FNO SF intrenable 0x8000005a MIE RHSC UE RD WDH ed_controlhead cf825050 ed_bulkhead cf8250f0 ed_bulkcurrent cf8250f0 hcca frame 0x46f5 fmintvl 0xa7782edf FIT FSMPS=0xa778 FI=0x2edf fmremaining 0x80001642 FRT FR=0x1642 periodicstart 0x2a2f lsthresh 0x0628 hub poll timer off roothub.a 02000203 POTPGT=2 NPS NDP=3(3) roothub.b 00000000 PPCM=0000 DR=0000 roothub.status 00008000 DRWE roothub.portstatus [0] 0x00000103 PPS PES CCS roothub.portstatus [1] 0x00000103 PPS PES CCS roothub.portstatus [2] 0x00000100 PPS bus pci, device 0000:00:13.1 OHCI Host Controller ohci_hcd OHCI 1.0, NO legacy support registers, rh state running control 0x08f HCFS=operational IE PLE CBSR=3 cmdstatus 0x00000 SOC=0 intrstatus 0x00000024 FNO SF intrenable 0x8000005a MIE RHSC UE RD WDH ed_periodcurrent cf807050 ed_controlhead cf807000 donehead cf808300 hcca frame 0x46ad fmintvl 0xa7782edf FIT FSMPS=0xa778 FI=0x2edf fmremaining 0x80001338 FRT FR=0x1338 periodicstart 0x2a2f lsthresh 0x0628 hub poll timer off roothub.a 02000203 POTPGT=2 NPS NDP=3(3) roothub.b 00000000 PPCM=0000 DR=0000 roothub.status 00008000 DRWE roothub.portstatus [0] 0x00000100 PPS roothub.portstatus [1] 0x00000100 PPS roothub.portstatus [2] 0x00000103 PPS PES CCS bus pci, device 0000:00:14.5 OHCI Host Controller ohci_hcd OHCI 1.0, NO legacy support registers, rh state running control 0x083 HCFS=operational CBSR=3 cmdstatus 0x00000 SOC=0 intrstatus 0x00000024 FNO SF intrenable 0x8000005a MIE RHSC UE RD WDH hcca frame 0x4585 fmintvl 0xa7782edf FIT FSMPS=0xa778 FI=0x2edf fmremaining 0x80000feb FRT FR=0x0feb periodicstart 0x2a2f lsthresh 0x0628 hub poll timer off roothub.a 02000202 POTPGT=2 NPS NDP=2(2) roothub.b 00000000 PPCM=0000 DR=0000 roothub.status 00008000 DRWE roothub.portstatus [0] 0x00000100 PPS roothub.portstatus [1] 0x00000100 PPS T: Bus=07 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=12 MxCh= 2 B: Alloc= 0/900 us ( 0%), #Int= 0, #Iso= 0 D: Ver= 1.10 Cls=09(hub ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1 P: Vendor=1d6b ProdID=0001 Rev= 3.04 S: Manufacturer=Linux 3.4.4 ohci_hcd S: Product=OHCI Host Controller S: SerialNumber=0000:00:14.5 C:* #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr= 0mA I:* If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub E: Ad=81(I) Atr=03(Int.) MxPS= 2 Ivl=255ms T: Bus=06 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=480 MxCh= 6 B: Alloc= 0/800 us ( 0%), #Int= 0, #Iso= 0 D: Ver= 2.00 Cls=09(hub ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1 P: Vendor=1d6b ProdID=0002 Rev= 3.04 S: Manufacturer=Linux 3.4.4 ehci_hcd S: Product=EHCI Host Controller S: SerialNumber=0000:00:13.2 C:* #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr= 0mA I:* If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub E: Ad=81(I) Atr=03(Int.) MxPS= 4 Ivl=256ms T: Bus=06 Lev=01 Prnt=01 Port=04 Cnt=01 Dev#= 4 Spd=480 MxCh= 0 D: Ver= 2.00 Cls=02(comm.) Sub=00 Prot=00 MxPS=64 #Cfgs= 2 P: Vendor=0525 ProdID=a4a2 Rev= 2.16 S: Manufacturer=Linux 2.6.21-omap1/musb_hdrc S: Product=RNDIS/Ethernet Gadget C: #Ifs= 2 Cfg#= 2 Atr=e0 MxPwr= 8mA I: If#= 0 Alt= 0 #EPs= 1 Cls=02(comm.) Sub=02 Prot=ff Driver= E: Ad=82(I) Atr=03(Int.) MxPS= 16 Ivl=32ms I: If#= 1 Alt= 0 #EPs= 2 Cls=0a(data ) Sub=00 Prot=00 Driver= E: Ad=81(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=01(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms C:* #Ifs= 2 Cfg#= 1 Atr=e0 MxPwr= 8mA I:* If#= 0 Alt= 0 #EPs= 1 Cls=02(comm.) Sub=06 Prot=00 Driver=(none) E: Ad=82(I) Atr=03(Int.) MxPS= 16 Ivl=32ms I: If#= 1 Alt= 0 #EPs= 0 Cls=0a(data ) Sub=00 Prot=00 Driver=cdc_subset I:* If#= 1 Alt= 1 #EPs= 2 Cls=0a(data ) Sub=00 Prot=00 Driver=cdc_subset E: Ad=81(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=01(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms T: Bus=05 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=480 MxCh= 6 B: Alloc= 0/800 us ( 0%), #Int= 0, #Iso= 0 D: Ver= 2.00 Cls=09(hub ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1 P: Vendor=1d6b ProdID=0002 Rev= 3.04 S: Manufacturer=Linux 3.4.4 ehci_hcd S: Product=EHCI Host Controller S: SerialNumber=0000:00:12.2 C:* #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr= 0mA I:* If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub E: Ad=81(I) Atr=03(Int.) MxPS= 4 Ivl=256ms T: Bus=04 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=12 MxCh= 3 B: Alloc=757/900 us (84%), #Int= 0, #Iso= 3 D: Ver= 1.10 Cls=09(hub ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1 P: Vendor=1d6b ProdID=0001 Rev= 3.04 S: Manufacturer=Linux 3.4.4 ohci_hcd S: Product=OHCI Host Controller S: SerialNumber=0000:00:13.1 C:* #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr= 0mA I:* If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub E: Ad=81(I) Atr=03(Int.) MxPS= 2 Ivl=255ms T: Bus=04 Lev=01 Prnt=01 Port=02 Cnt=01 Dev#= 2 Spd=12 MxCh= 0 D: Ver= 1.10 Cls=00(>ifc ) Sub=00 Prot=00 MxPS= 8 #Cfgs= 1 P: Vendor=0471 ProdID=0311 Rev= 0.03 S: SerialNumber=01690000A5000000 C:* #Ifs= 3 Cfg#= 1 Atr=a0 MxPwr=500mA I: If#= 0 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=Philips webcam E: Ad=82(I) Atr=03(Int.) MxPS= 1 Ivl=32ms E: Ad=85(I) Atr=01(Isoc) MxPS= 0 Ivl=1ms I: If#= 0 Alt= 1 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=Philips webcam E: Ad=82(I) Atr=03(Int.) MxPS= 1 Ivl=32ms E: Ad=85(I) Atr=01(Isoc) MxPS= 196 Ivl=1ms I: If#= 0 Alt= 2 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=Philips webcam E: Ad=82(I) Atr=03(Int.) MxPS= 1 Ivl=32ms E: Ad=85(I) Atr=01(Isoc) MxPS= 292 Ivl=1ms I: If#= 0 Alt= 3 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=Philips webcam E: Ad=82(I) Atr=03(Int.) MxPS= 1 Ivl=32ms E: Ad=85(I) Atr=01(Isoc) MxPS= 448 Ivl=1ms I: If#= 0 Alt= 4 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=Philips webcam E: Ad=82(I) Atr=03(Int.) MxPS= 1 Ivl=32ms E: Ad=85(I) Atr=01(Isoc) MxPS= 592 Ivl=1ms I: If#= 0 Alt= 5 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=Philips webcam E: Ad=82(I) Atr=03(Int.) MxPS= 1 Ivl=32ms E: Ad=85(I) Atr=01(Isoc) MxPS= 704 Ivl=1ms I: If#= 0 Alt= 6 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=Philips webcam E: Ad=82(I) Atr=03(Int.) MxPS= 1 Ivl=32ms E: Ad=85(I) Atr=01(Isoc) MxPS= 776 Ivl=1ms I: If#= 0 Alt= 7 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=Philips webcam E: Ad=82(I) Atr=03(Int.) MxPS= 1 Ivl=32ms E: Ad=85(I) Atr=01(Isoc) MxPS= 840 Ivl=1ms I: If#= 0 Alt= 8 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=Philips webcam E: Ad=82(I) Atr=03(Int.) MxPS= 1 Ivl=32ms E: Ad=85(I) Atr=01(Isoc) MxPS= 896 Ivl=1ms I:* If#= 0 Alt= 9 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=Philips webcam E: Ad=82(I) Atr=03(Int.) MxPS= 1 Ivl=32ms E: Ad=85(I) Atr=01(Isoc) MxPS= 960 Ivl=1ms I: If#= 0 Alt=10 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=Philips webcam E: Ad=82(I) Atr=03(Int.) MxPS= 1 Ivl=32ms E: Ad=85(I) Atr=01(Isoc) MxPS= 960 Ivl=1ms I:* If#= 1 Alt= 0 #EPs= 0 Cls=01(audio) Sub=01 Prot=00 Driver=snd-usb-audio I:* If#= 2 Alt= 0 #EPs= 0 Cls=01(audio) Sub=02 Prot=00 Driver=snd-usb-audio I: If#= 2 Alt= 1 #EPs= 1 Cls=01(audio) Sub=02 Prot=00 Driver=snd-usb-audio E: Ad=84(I) Atr=01(Isoc) MxPS= 90 Ivl=1ms I: If#= 2 Alt= 2 #EPs= 1 Cls=01(audio) Sub=02 Prot=00 Driver=snd-usb-audio E: Ad=84(I) Atr=01(Isoc) MxPS= 46 Ivl=1ms I: If#= 2 Alt= 3 #EPs= 1 Cls=01(audio) Sub=02 Prot=00 Driver=snd-usb-audio E: Ad=84(I) Atr=01(Isoc) MxPS= 25 Ivl=1ms I: If#= 2 Alt= 4 #EPs= 1 Cls=01(audio) Sub=02 Prot=00 Driver=snd-usb-audio E: Ad=84(I) Atr=01(Isoc) MxPS= 16 Ivl=1ms T: Bus=03 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=12 MxCh= 3 B: Alloc= 22/900 us ( 2%), #Int= 1, #Iso= 0 D: Ver= 1.10 Cls=09(hub ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1 P: Vendor=1d6b ProdID=0001 Rev= 3.04 S: Manufacturer=Linux 3.4.4 ohci_hcd S: Product=OHCI Host Controller S: SerialNumber=0000:00:13.0 C:* #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr= 0mA I:* If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub E: Ad=81(I) Atr=03(Int.) MxPS= 2 Ivl=255ms T: Bus=03 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 2 Spd=12 MxCh= 0 D: Ver= 2.00 Cls=e0(wlcon) Sub=01 Prot=01 MxPS=64 #Cfgs= 1 P: Vendor=0a12 ProdID=0001 Rev=31.64 C:* #Ifs= 2 Cfg#= 1 Atr=80 MxPwr=100mA I:* If#= 0 Alt= 0 #EPs= 3 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=81(I) Atr=03(Int.) MxPS= 16 Ivl=1ms E: Ad=02(O) Atr=02(Bulk) MxPS= 64 Ivl=0ms E: Ad=82(I) Atr=02(Bulk) MxPS= 64 Ivl=0ms I:* If#= 1 Alt= 0 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=03(O) Atr=01(Isoc) MxPS= 0 Ivl=1ms E: Ad=83(I) Atr=01(Isoc) MxPS= 0 Ivl=1ms I: If#= 1 Alt= 1 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=03(O) Atr=01(Isoc) MxPS= 9 Ivl=1ms E: Ad=83(I) Atr=01(Isoc) MxPS= 9 Ivl=1ms I: If#= 1 Alt= 2 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=03(O) Atr=01(Isoc) MxPS= 17 Ivl=1ms E: Ad=83(I) Atr=01(Isoc) MxPS= 17 Ivl=1ms I: If#= 1 Alt= 3 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=03(O) Atr=01(Isoc) MxPS= 25 Ivl=1ms E: Ad=83(I) Atr=01(Isoc) MxPS= 25 Ivl=1ms I: If#= 1 Alt= 4 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=03(O) Atr=01(Isoc) MxPS= 33 Ivl=1ms E: Ad=83(I) Atr=01(Isoc) MxPS= 33 Ivl=1ms I: If#= 1 Alt= 5 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=03(O) Atr=01(Isoc) MxPS= 49 Ivl=1ms E: Ad=83(I) Atr=01(Isoc) MxPS= 49 Ivl=1ms T: Bus=03 Lev=01 Prnt=01 Port=01 Cnt=02 Dev#= 3 Spd=12 MxCh= 0 D: Ver= 1.10 Cls=00(>ifc ) Sub=00 Prot=00 MxPS= 8 #Cfgs= 1 P: Vendor=0471 ProdID=0311 Rev= 0.03 S: SerialNumber=01690000A5000000 C:* #Ifs= 3 Cfg#= 1 Atr=a0 MxPwr=500mA I:* If#= 0 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=Philips webcam E: Ad=82(I) Atr=03(Int.) MxPS= 1 Ivl=32ms E: Ad=85(I) Atr=01(Isoc) MxPS= 0 Ivl=1ms I: If#= 0 Alt= 1 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=Philips webcam E: Ad=82(I) Atr=03(Int.) MxPS= 1 Ivl=32ms E: Ad=85(I) Atr=01(Isoc) MxPS= 196 Ivl=1ms I: If#= 0 Alt= 2 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=Philips webcam E: Ad=82(I) Atr=03(Int.) MxPS= 1 Ivl=32ms E: Ad=85(I) Atr=01(Isoc) MxPS= 292 Ivl=1ms I: If#= 0 Alt= 3 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=Philips webcam E: Ad=82(I) Atr=03(Int.) MxPS= 1 Ivl=32ms E: Ad=85(I) Atr=01(Isoc) MxPS= 448 Ivl=1ms I: If#= 0 Alt= 4 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=Philips webcam E: Ad=82(I) Atr=03(Int.) MxPS= 1 Ivl=32ms E: Ad=85(I) Atr=01(Isoc) MxPS= 592 Ivl=1ms I: If#= 0 Alt= 5 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=Philips webcam E: Ad=82(I) Atr=03(Int.) MxPS= 1 Ivl=32ms E: Ad=85(I) Atr=01(Isoc) MxPS= 704 Ivl=1ms I: If#= 0 Alt= 6 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=Philips webcam E: Ad=82(I) Atr=03(Int.) MxPS= 1 Ivl=32ms E: Ad=85(I) Atr=01(Isoc) MxPS= 776 Ivl=1ms I: If#= 0 Alt= 7 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=Philips webcam E: Ad=82(I) Atr=03(Int.) MxPS= 1 Ivl=32ms E: Ad=85(I) Atr=01(Isoc) MxPS= 840 Ivl=1ms I: If#= 0 Alt= 8 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=Philips webcam E: Ad=82(I) Atr=03(Int.) MxPS= 1 Ivl=32ms E: Ad=85(I) Atr=01(Isoc) MxPS= 896 Ivl=1ms I: If#= 0 Alt= 9 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=Philips webcam E: Ad=82(I) Atr=03(Int.) MxPS= 1 Ivl=32ms E: Ad=85(I) Atr=01(Isoc) MxPS= 960 Ivl=1ms I: If#= 0 Alt=10 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=Philips webcam E: Ad=82(I) Atr=03(Int.) MxPS= 1 Ivl=32ms E: Ad=85(I) Atr=01(Isoc) MxPS= 960 Ivl=1ms I:* If#= 1 Alt= 0 #EPs= 0 Cls=01(audio) Sub=01 Prot=00 Driver=snd-usb-audio I:* If#= 2 Alt= 0 #EPs= 0 Cls=01(audio) Sub=02 Prot=00 Driver=snd-usb-audio I: If#= 2 Alt= 1 #EPs= 1 Cls=01(audio) Sub=02 Prot=00 Driver=snd-usb-audio E: Ad=84(I) Atr=01(Isoc) MxPS= 90 Ivl=1ms I: If#= 2 Alt= 2 #EPs= 1 Cls=01(audio) Sub=02 Prot=00 Driver=snd-usb-audio E: Ad=84(I) Atr=01(Isoc) MxPS= 46 Ivl=1ms I: If#= 2 Alt= 3 #EPs= 1 Cls=01(audio) Sub=02 Prot=00 Driver=snd-usb-audio E: Ad=84(I) Atr=01(Isoc) MxPS= 25 Ivl=1ms I: If#= 2 Alt= 4 #EPs= 1 Cls=01(audio) Sub=02 Prot=00 Driver=snd-usb-audio E: Ad=84(I) Atr=01(Isoc) MxPS= 16 Ivl=1ms T: Bus=02 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=12 MxCh= 3 B: Alloc= 0/900 us ( 0%), #Int= 0, #Iso= 0 D: Ver= 1.10 Cls=09(hub ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1 P: Vendor=1d6b ProdID=0001 Rev= 3.04 S: Manufacturer=Linux 3.4.4 ohci_hcd S: Product=OHCI Host Controller S: SerialNumber=0000:00:12.1 C:* #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr= 0mA I:* If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub E: Ad=81(I) Atr=03(Int.) MxPS= 2 Ivl=255ms T: Bus=02 Lev=01 Prnt=01 Port=01 Cnt=01 Dev#= 2 Spd=12 MxCh= 0 D: Ver= 1.10 Cls=00(>ifc ) Sub=00 Prot=00 MxPS= 8 #Cfgs= 1 P: Vendor=03f0 ProdID=1904 Rev= 1.00 S: Manufacturer=Hewlett-Packard S: Product=DeskJet 3820 S: SerialNumber=CN2BO1N17618 C:* #Ifs= 1 Cfg#= 1 Atr=c0 MxPwr= 2mA I:* If#= 0 Alt= 0 #EPs= 2 Cls=07(print) Sub=01 Prot=02 Driver=usblp E: Ad=81(I) Atr=02(Bulk) MxPS= 64 Ivl=0ms E: Ad=02(O) Atr=02(Bulk) MxPS= 64 Ivl=0ms T: Bus=01 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=12 MxCh= 3 B: Alloc= 0/900 us ( 0%), #Int= 0, #Iso= 0 D: Ver= 1.10 Cls=09(hub ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1 P: Vendor=1d6b ProdID=0001 Rev= 3.04 S: Manufacturer=Linux 3.4.4 ohci_hcd S: Product=OHCI Host Controller S: SerialNumber=0000:00:12.0 C:* #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr= 0mA I:* If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub E: Ad=81(I) Atr=03(Int.) MxPS= 2 Ivl=255ms T: Bus=01 Lev=01 Prnt=01 Port=01 Cnt=01 Dev#= 3 Spd=12 MxCh= 0 D: Ver= 1.10 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1 P: Vendor=067b ProdID=2303 Rev= 3.00 S: Manufacturer=Prolific Technology Inc. S: Product=USB-Serial Controller C:* #Ifs= 1 Cfg#= 1 Atr=80 MxPwr=100mA I:* If#= 0 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=00 Driver=pl2303 E: Ad=81(I) Atr=03(Int.) MxPS= 10 Ivl=1ms E: Ad=02(O) Atr=02(Bulk) MxPS= 64 Ivl=0ms E: Ad=83(I) Atr=02(Bulk) MxPS= 64 Ivl=0ms After disabling: bus pci, device 0000:00:12.0 OHCI Host Controller ohci_hcd OHCI 1.0, NO legacy support registers, rh state running control 0x083 HCFS=operational CBSR=3 cmdstatus 0x00000 SOC=0 intrstatus 0x00000024 FNO SF intrenable 0x8000005a MIE RHSC UE RD WDH ed_controlhead cf820000 hcca frame 0x09f0 fmintvl 0xa7782edf FIT FSMPS=0xa778 FI=0x2edf fmremaining 0x8000203a FRT FR=0x203a periodicstart 0x2a2f lsthresh 0x0628 hub poll timer off roothub.a 02000203 POTPGT=2 NPS NDP=3(3) roothub.b 00000000 PPCM=0000 DR=0000 roothub.status 00008000 DRWE roothub.portstatus [0] 0x00000100 PPS roothub.portstatus [1] 0x00000103 PPS PES CCS roothub.portstatus [2] 0x00000100 PPS bus pci, device 0000:00:12.1 OHCI Host Controller ohci_hcd OHCI 1.0, NO legacy support registers, rh state running control 0x083 HCFS=operational CBSR=3 cmdstatus 0x00000 SOC=0 intrstatus 0x00000024 FNO SF intrenable 0x8000005a MIE RHSC UE RD WDH ed_controlhead cf862050 ed_bulkhead cf8620a0 hcca frame 0x09bd fmintvl 0xa7782edf FIT FSMPS=0xa778 FI=0x2edf fmremaining 0x80001037 FRT FR=0x1037 periodicstart 0x2a2f lsthresh 0x0628 hub poll timer off roothub.a 02000203 POTPGT=2 NPS NDP=3(3) roothub.b 00000000 PPCM=0000 DR=0000 roothub.status 00008000 DRWE roothub.portstatus [0] 0x00000100 PPS roothub.portstatus [1] 0x00000103 PPS PES CCS roothub.portstatus [2] 0x00000100 PPS bus pci, device 0000:00:13.0 OHCI Host Controller ohci_hcd OHCI 1.0, NO legacy support registers, rh state running control 0x0af HCFS=operational BLE IE PLE CBSR=3 cmdstatus 0x10004 SOC=1 BLF intrstatus 0x00000025 FNO SF SO intrenable 0x8000005a MIE RHSC UE RD WDH ed_controlhead cf840050 ed_bulkhead cf8400f0 ed_bulkcurrent cf8400f0 hcca frame 0x0981 fmintvl 0xa7782edf FIT FSMPS=0xa778 FI=0x2edf fmremaining 0x80000b5a FRT FR=0x0b5a periodicstart 0x2a2f lsthresh 0x0628 hub poll timer off roothub.a 02000203 POTPGT=2 NPS NDP=3(3) roothub.b 00000000 PPCM=0000 DR=0000 roothub.status 00008000 DRWE roothub.portstatus [0] 0x00000103 PPS PES CCS roothub.portstatus [1] 0x00000103 PPS PES CCS roothub.portstatus [2] 0x00000100 PPS bus pci, device 0000:00:13.1 OHCI Host Controller ohci_hcd OHCI 1.0, NO legacy support registers, rh state running control 0x08f HCFS=operational IE PLE CBSR=3 cmdstatus 0x00000 SOC=0 intrstatus 0x00000026 FNO SF WDH intrenable 0x8000005a MIE RHSC UE RD WDH ed_controlhead cf822000 hcca frame 0x0934 fmintvl 0xa7782edf FIT FSMPS=0xa778 FI=0x2edf fmremaining 0x80000ecb FRT FR=0x0ecb periodicstart 0x2a2f lsthresh 0x0628 hub poll timer off roothub.a 02000203 POTPGT=2 NPS NDP=3(3) roothub.b 00000000 PPCM=0000 DR=0000 roothub.status 00008000 DRWE roothub.portstatus [0] 0x00000100 PPS roothub.portstatus [1] 0x00000100 PPS roothub.portstatus [2] 0x00000103 PPS PES CCS bus pci, device 0000:00:14.5 OHCI Host Controller ohci_hcd OHCI 1.0, NO legacy support registers, rh state running control 0x083 HCFS=operational CBSR=3 cmdstatus 0x00000 SOC=0 intrstatus 0x00000024 FNO SF intrenable 0x8000005a MIE RHSC UE RD WDH hcca frame 0x0811 fmintvl 0xa7782edf FIT FSMPS=0xa778 FI=0x2edf fmremaining 0x800004d5 FRT FR=0x04d5 periodicstart 0x2a2f lsthresh 0x0628 hub poll timer off roothub.a 02000202 POTPGT=2 NPS NDP=2(2) roothub.b 00000000 PPCM=0000 DR=0000 roothub.status 00008000 DRWE roothub.portstatus [0] 0x00000100 PPS roothub.portstatus [1] 0x00000100 PPS T: Bus=07 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=12 MxCh= 2 B: Alloc= 0/900 us ( 0%), #Int= 0, #Iso= 0 D: Ver= 1.10 Cls=09(hub ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1 P: Vendor=1d6b ProdID=0001 Rev= 3.04 S: Manufacturer=Linux 3.4.4 ohci_hcd S: Product=OHCI Host Controller S: SerialNumber=0000:00:14.5 C:* #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr= 0mA I:* If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub E: Ad=81(I) Atr=03(Int.) MxPS= 2 Ivl=255ms T: Bus=06 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=480 MxCh= 6 B: Alloc= 0/800 us ( 0%), #Int= 0, #Iso= 0 D: Ver= 2.00 Cls=09(hub ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1 P: Vendor=1d6b ProdID=0002 Rev= 3.04 S: Manufacturer=Linux 3.4.4 ehci_hcd S: Product=EHCI Host Controller S: SerialNumber=0000:00:13.2 C:* #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr= 0mA I:* If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub E: Ad=81(I) Atr=03(Int.) MxPS= 4 Ivl=256ms T: Bus=06 Lev=01 Prnt=01 Port=04 Cnt=01 Dev#= 4 Spd=480 MxCh= 0 D: Ver= 2.00 Cls=02(comm.) Sub=00 Prot=00 MxPS=64 #Cfgs= 2 P: Vendor=0525 ProdID=a4a2 Rev= 2.16 S: Manufacturer=Linux 2.6.21-omap1/musb_hdrc S: Product=RNDIS/Ethernet Gadget C: #Ifs= 2 Cfg#= 2 Atr=e0 MxPwr= 8mA I: If#= 0 Alt= 0 #EPs= 1 Cls=02(comm.) Sub=02 Prot=ff Driver= E: Ad=82(I) Atr=03(Int.) MxPS= 16 Ivl=32ms I: If#= 1 Alt= 0 #EPs= 2 Cls=0a(data ) Sub=00 Prot=00 Driver= E: Ad=81(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=01(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms C:* #Ifs= 2 Cfg#= 1 Atr=e0 MxPwr= 8mA I:* If#= 0 Alt= 0 #EPs= 1 Cls=02(comm.) Sub=06 Prot=00 Driver=(none) E: Ad=82(I) Atr=03(Int.) MxPS= 16 Ivl=32ms I: If#= 1 Alt= 0 #EPs= 0 Cls=0a(data ) Sub=00 Prot=00 Driver=cdc_subset I:* If#= 1 Alt= 1 #EPs= 2 Cls=0a(data ) Sub=00 Prot=00 Driver=cdc_subset E: Ad=81(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=01(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms T: Bus=05 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=480 MxCh= 6 B: Alloc= 0/800 us ( 0%), #Int= 0, #Iso= 0 D: Ver= 2.00 Cls=09(hub ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1 P: Vendor=1d6b ProdID=0002 Rev= 3.04 S: Manufacturer=Linux 3.4.4 ehci_hcd S: Product=EHCI Host Controller S: SerialNumber=0000:00:12.2 C:* #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr= 0mA I:* If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub E: Ad=81(I) Atr=03(Int.) MxPS= 4 Ivl=256ms T: Bus=04 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=12 MxCh= 3 B: Alloc=757/900 us (84%), #Int= 0, #Iso= 3 D: Ver= 1.10 Cls=09(hub ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1 P: Vendor=1d6b ProdID=0001 Rev= 3.04 S: Manufacturer=Linux 3.4.4 ohci_hcd S: Product=OHCI Host Controller S: SerialNumber=0000:00:13.1 C:* #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr= 0mA I:* If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub E: Ad=81(I) Atr=03(Int.) MxPS= 2 Ivl=255ms T: Bus=04 Lev=01 Prnt=01 Port=02 Cnt=01 Dev#= 2 Spd=12 MxCh= 0 D: Ver= 1.10 Cls=00(>ifc ) Sub=00 Prot=00 MxPS= 8 #Cfgs= 1 P: Vendor=0471 ProdID=0311 Rev= 0.03 S: SerialNumber=01690000A5000000 C:* #Ifs= 3 Cfg#= 1 Atr=a0 MxPwr=500mA I: If#= 0 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=Philips webcam E: Ad=82(I) Atr=03(Int.) MxPS= 1 Ivl=32ms E: Ad=85(I) Atr=01(Isoc) MxPS= 0 Ivl=1ms I: If#= 0 Alt= 1 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=Philips webcam E: Ad=82(I) Atr=03(Int.) MxPS= 1 Ivl=32ms E: Ad=85(I) Atr=01(Isoc) MxPS= 196 Ivl=1ms I: If#= 0 Alt= 2 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=Philips webcam E: Ad=82(I) Atr=03(Int.) MxPS= 1 Ivl=32ms E: Ad=85(I) Atr=01(Isoc) MxPS= 292 Ivl=1ms I: If#= 0 Alt= 3 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=Philips webcam E: Ad=82(I) Atr=03(Int.) MxPS= 1 Ivl=32ms E: Ad=85(I) Atr=01(Isoc) MxPS= 448 Ivl=1ms I: If#= 0 Alt= 4 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=Philips webcam E: Ad=82(I) Atr=03(Int.) MxPS= 1 Ivl=32ms E: Ad=85(I) Atr=01(Isoc) MxPS= 592 Ivl=1ms I: If#= 0 Alt= 5 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=Philips webcam E: Ad=82(I) Atr=03(Int.) MxPS= 1 Ivl=32ms E: Ad=85(I) Atr=01(Isoc) MxPS= 704 Ivl=1ms I: If#= 0 Alt= 6 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=Philips webcam E: Ad=82(I) Atr=03(Int.) MxPS= 1 Ivl=32ms E: Ad=85(I) Atr=01(Isoc) MxPS= 776 Ivl=1ms I: If#= 0 Alt= 7 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=Philips webcam E: Ad=82(I) Atr=03(Int.) MxPS= 1 Ivl=32ms E: Ad=85(I) Atr=01(Isoc) MxPS= 840 Ivl=1ms I: If#= 0 Alt= 8 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=Philips webcam E: Ad=82(I) Atr=03(Int.) MxPS= 1 Ivl=32ms E: Ad=85(I) Atr=01(Isoc) MxPS= 896 Ivl=1ms I:* If#= 0 Alt= 9 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=Philips webcam E: Ad=82(I) Atr=03(Int.) MxPS= 1 Ivl=32ms E: Ad=85(I) Atr=01(Isoc) MxPS= 960 Ivl=1ms I: If#= 0 Alt=10 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=Philips webcam E: Ad=82(I) Atr=03(Int.) MxPS= 1 Ivl=32ms E: Ad=85(I) Atr=01(Isoc) MxPS= 960 Ivl=1ms I:* If#= 1 Alt= 0 #EPs= 0 Cls=01(audio) Sub=01 Prot=00 Driver=snd-usb-audio I:* If#= 2 Alt= 0 #EPs= 0 Cls=01(audio) Sub=02 Prot=00 Driver=snd-usb-audio I: If#= 2 Alt= 1 #EPs= 1 Cls=01(audio) Sub=02 Prot=00 Driver=snd-usb-audio E: Ad=84(I) Atr=01(Isoc) MxPS= 90 Ivl=1ms I: If#= 2 Alt= 2 #EPs= 1 Cls=01(audio) Sub=02 Prot=00 Driver=snd-usb-audio E: Ad=84(I) Atr=01(Isoc) MxPS= 46 Ivl=1ms I: If#= 2 Alt= 3 #EPs= 1 Cls=01(audio) Sub=02 Prot=00 Driver=snd-usb-audio E: Ad=84(I) Atr=01(Isoc) MxPS= 25 Ivl=1ms I: If#= 2 Alt= 4 #EPs= 1 Cls=01(audio) Sub=02 Prot=00 Driver=snd-usb-audio E: Ad=84(I) Atr=01(Isoc) MxPS= 16 Ivl=1ms T: Bus=03 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=12 MxCh= 3 B: Alloc= 22/900 us ( 2%), #Int= 1, #Iso= 0 D: Ver= 1.10 Cls=09(hub ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1 P: Vendor=1d6b ProdID=0001 Rev= 3.04 S: Manufacturer=Linux 3.4.4 ohci_hcd S: Product=OHCI Host Controller S: SerialNumber=0000:00:13.0 C:* #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr= 0mA I:* If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub E: Ad=81(I) Atr=03(Int.) MxPS= 2 Ivl=255ms T: Bus=03 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 2 Spd=12 MxCh= 0 D: Ver= 2.00 Cls=e0(wlcon) Sub=01 Prot=01 MxPS=64 #Cfgs= 1 P: Vendor=0a12 ProdID=0001 Rev=31.64 C:* #Ifs= 2 Cfg#= 1 Atr=80 MxPwr=100mA I:* If#= 0 Alt= 0 #EPs= 3 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=81(I) Atr=03(Int.) MxPS= 16 Ivl=1ms E: Ad=02(O) Atr=02(Bulk) MxPS= 64 Ivl=0ms E: Ad=82(I) Atr=02(Bulk) MxPS= 64 Ivl=0ms I:* If#= 1 Alt= 0 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=03(O) Atr=01(Isoc) MxPS= 0 Ivl=1ms E: Ad=83(I) Atr=01(Isoc) MxPS= 0 Ivl=1ms I: If#= 1 Alt= 1 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=03(O) Atr=01(Isoc) MxPS= 9 Ivl=1ms E: Ad=83(I) Atr=01(Isoc) MxPS= 9 Ivl=1ms I: If#= 1 Alt= 2 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=03(O) Atr=01(Isoc) MxPS= 17 Ivl=1ms E: Ad=83(I) Atr=01(Isoc) MxPS= 17 Ivl=1ms I: If#= 1 Alt= 3 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=03(O) Atr=01(Isoc) MxPS= 25 Ivl=1ms E: Ad=83(I) Atr=01(Isoc) MxPS= 25 Ivl=1ms I: If#= 1 Alt= 4 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=03(O) Atr=01(Isoc) MxPS= 33 Ivl=1ms E: Ad=83(I) Atr=01(Isoc) MxPS= 33 Ivl=1ms I: If#= 1 Alt= 5 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=03(O) Atr=01(Isoc) MxPS= 49 Ivl=1ms E: Ad=83(I) Atr=01(Isoc) MxPS= 49 Ivl=1ms T: Bus=03 Lev=01 Prnt=01 Port=01 Cnt=02 Dev#= 3 Spd=12 MxCh= 0 D: Ver= 1.10 Cls=00(>ifc ) Sub=00 Prot=00 MxPS= 8 #Cfgs= 1 P: Vendor=0471 ProdID=0311 Rev= 0.03 S: SerialNumber=01690000A5000000 C:* #Ifs= 3 Cfg#= 1 Atr=a0 MxPwr=500mA I:* If#= 0 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=Philips webcam E: Ad=82(I) Atr=03(Int.) MxPS= 1 Ivl=32ms E: Ad=85(I) Atr=01(Isoc) MxPS= 0 Ivl=1ms I: If#= 0 Alt= 1 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=Philips webcam E: Ad=82(I) Atr=03(Int.) MxPS= 1 Ivl=32ms E: Ad=85(I) Atr=01(Isoc) MxPS= 196 Ivl=1ms I: If#= 0 Alt= 2 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=Philips webcam E: Ad=82(I) Atr=03(Int.) MxPS= 1 Ivl=32ms E: Ad=85(I) Atr=01(Isoc) MxPS= 292 Ivl=1ms I: If#= 0 Alt= 3 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=Philips webcam E: Ad=82(I) Atr=03(Int.) MxPS= 1 Ivl=32ms E: Ad=85(I) Atr=01(Isoc) MxPS= 448 Ivl=1ms I: If#= 0 Alt= 4 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=Philips webcam E: Ad=82(I) Atr=03(Int.) MxPS= 1 Ivl=32ms E: Ad=85(I) Atr=01(Isoc) MxPS= 592 Ivl=1ms I: If#= 0 Alt= 5 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=Philips webcam E: Ad=82(I) Atr=03(Int.) MxPS= 1 Ivl=32ms E: Ad=85(I) Atr=01(Isoc) MxPS= 704 Ivl=1ms I: If#= 0 Alt= 6 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=Philips webcam E: Ad=82(I) Atr=03(Int.) MxPS= 1 Ivl=32ms E: Ad=85(I) Atr=01(Isoc) MxPS= 776 Ivl=1ms I: If#= 0 Alt= 7 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=Philips webcam E: Ad=82(I) Atr=03(Int.) MxPS= 1 Ivl=32ms E: Ad=85(I) Atr=01(Isoc) MxPS= 840 Ivl=1ms I: If#= 0 Alt= 8 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=Philips webcam E: Ad=82(I) Atr=03(Int.) MxPS= 1 Ivl=32ms E: Ad=85(I) Atr=01(Isoc) MxPS= 896 Ivl=1ms I: If#= 0 Alt= 9 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=Philips webcam E: Ad=82(I) Atr=03(Int.) MxPS= 1 Ivl=32ms E: Ad=85(I) Atr=01(Isoc) MxPS= 960 Ivl=1ms I: If#= 0 Alt=10 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=Philips webcam E: Ad=82(I) Atr=03(Int.) MxPS= 1 Ivl=32ms E: Ad=85(I) Atr=01(Isoc) MxPS= 960 Ivl=1ms I:* If#= 1 Alt= 0 #EPs= 0 Cls=01(audio) Sub=01 Prot=00 Driver=snd-usb-audio I:* If#= 2 Alt= 0 #EPs= 0 Cls=01(audio) Sub=02 Prot=00 Driver=snd-usb-audio I: If#= 2 Alt= 1 #EPs= 1 Cls=01(audio) Sub=02 Prot=00 Driver=snd-usb-audio E: Ad=84(I) Atr=01(Isoc) MxPS= 90 Ivl=1ms I: If#= 2 Alt= 2 #EPs= 1 Cls=01(audio) Sub=02 Prot=00 Driver=snd-usb-audio E: Ad=84(I) Atr=01(Isoc) MxPS= 46 Ivl=1ms I: If#= 2 Alt= 3 #EPs= 1 Cls=01(audio) Sub=02 Prot=00 Driver=snd-usb-audio E: Ad=84(I) Atr=01(Isoc) MxPS= 25 Ivl=1ms I: If#= 2 Alt= 4 #EPs= 1 Cls=01(audio) Sub=02 Prot=00 Driver=snd-usb-audio E: Ad=84(I) Atr=01(Isoc) MxPS= 16 Ivl=1ms T: Bus=02 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=12 MxCh= 3 B: Alloc= 0/900 us ( 0%), #Int= 0, #Iso= 0 D: Ver= 1.10 Cls=09(hub ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1 P: Vendor=1d6b ProdID=0001 Rev= 3.04 S: Manufacturer=Linux 3.4.4 ohci_hcd S: Product=OHCI Host Controller S: SerialNumber=0000:00:12.1 C:* #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr= 0mA I:* If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub E: Ad=81(I) Atr=03(Int.) MxPS= 2 Ivl=255ms T: Bus=02 Lev=01 Prnt=01 Port=01 Cnt=01 Dev#= 2 Spd=12 MxCh= 0 D: Ver= 1.10 Cls=00(>ifc ) Sub=00 Prot=00 MxPS= 8 #Cfgs= 1 P: Vendor=03f0 ProdID=1904 Rev= 1.00 S: Manufacturer=Hewlett-Packard S: Product=DeskJet 3820 S: SerialNumber=CN2BO1N17618 C:* #Ifs= 1 Cfg#= 1 Atr=c0 MxPwr= 2mA I:* If#= 0 Alt= 0 #EPs= 2 Cls=07(print) Sub=01 Prot=02 Driver=usblp E: Ad=81(I) Atr=02(Bulk) MxPS= 64 Ivl=0ms E: Ad=02(O) Atr=02(Bulk) MxPS= 64 Ivl=0ms T: Bus=01 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=12 MxCh= 3 B: Alloc= 0/900 us ( 0%), #Int= 0, #Iso= 0 D: Ver= 1.10 Cls=09(hub ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1 P: Vendor=1d6b ProdID=0001 Rev= 3.04 S: Manufacturer=Linux 3.4.4 ohci_hcd S: Product=OHCI Host Controller S: SerialNumber=0000:00:12.0 C:* #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr= 0mA I:* If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub E: Ad=81(I) Atr=03(Int.) MxPS= 2 Ivl=255ms T: Bus=01 Lev=01 Prnt=01 Port=01 Cnt=01 Dev#= 3 Spd=12 MxCh= 0 D: Ver= 1.10 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1 P: Vendor=067b ProdID=2303 Rev= 3.00 S: Manufacturer=Prolific Technology Inc. S: Product=USB-Serial Controller C:* #Ifs= 1 Cfg#= 1 Atr=80 MxPwr=100mA I:* If#= 0 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=00 Driver=pl2303 E: Ad=81(I) Atr=03(Int.) MxPS= 10 Ivl=1ms E: Ad=02(O) Atr=02(Bulk) MxPS= 64 Ivl=0ms E: Ad=83(I) Atr=02(Bulk) MxPS= 64 Ivl=0ms messages: Jul 15 16:20:05 surfplank2 systemd[1]: Unit mrtg.service entered failed state. Jul 15 16:21:58 surfplank2 kernel: irq 18: nobody cared (try booting with the "irqpoll" option) Jul 15 16:21:58 surfplank2 kernel: Pid: 1403, comm: irq/18-ohci_hcd Not tainted 3.4.4 #5 Jul 15 16:21:58 surfplank2 kernel: Call Trace: Jul 15 16:21:58 surfplank2 kernel: [<ffffffff81096336>] ? __report_bad_irq+0x36/0xd0 Jul 15 16:21:58 surfplank2 kernel: [<ffffffff8109663f>] ? note_interrupt+0x1cf/0x220 Jul 15 16:21:58 surfplank2 kernel: [<ffffffff81094e80>] ? irq_thread_fn+0x40/0x40 Jul 15 16:21:58 surfplank2 kernel: [<ffffffff81094cfd>] ? irq_thread+0x13d/0x180 Jul 15 16:21:58 surfplank2 kernel: [<ffffffff81094bc0>] ? wake_threads_waitq+0x50/0x50 Jul 15 16:21:58 surfplank2 kernel: [<ffffffff810528d5>] ? kthread+0x85/0x90 Jul 15 16:21:58 surfplank2 kernel: [<ffffffff81406254>] ? kernel_thread_helper+0x4/0x10 Jul 15 16:21:58 surfplank2 kernel: [<ffffffff81052850>] ? kthread_freezable_should_stop+0x50/0x50 Jul 15 16:21:58 surfplank2 kernel: [<ffffffff81406250>] ? gs_change+0xb/0xb Jul 15 16:21:58 surfplank2 kernel: handlers: Jul 15 16:21:58 surfplank2 kernel: [<ffffffff81094290>] irq_default_primary_handler threaded [<ffffffff812c8d90>] usb_hcd_irq Jul 15 16:21:58 surfplank2 kernel: [<ffffffff81094290>] irq_default_primary_handler threaded [<ffffffff812c8d90>] usb_hcd_irq Jul 15 16:21:58 surfplank2 kernel: [<ffffffff81094290>] irq_default_primary_handler threaded [<ffffffff812c8d90>] usb_hcd_irq Jul 15 16:21:58 surfplank2 kernel: Disabling IRQ #18 dmesg was overflown with the pwc stuff: Jul 15 16:21:58 surfplank2 kernel: pwc: Iso frame 2 has error -18 (loads of these!) 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