On 2013-01-02 17:46, Alan Stern wrote: > Or else leave those devices unplugged entirely -- use a network login > instead of the USB keyboard and mouse. When the motion service is off, i.e. the USB webcam isnt used, the issue does not happen. On the other hand: If it is on, within a few days I see stuff like: Jan 25 03:08:26 s kernel: [128427.542235] irq 18: nobody cared (try booting with the "irqpoll" option) Jan 25 03:08:26 s kernel: [128427.542239] Pid: 1279, comm: irq/18-ohci_hcd Not tainted 3.6.11 #22 Jan 25 03:08:26 s kernel: [128427.542240] Call Trace: Jan 25 03:08:26 s kernel: [128427.542246] [<ffffffff8109e166>] ? __report_bad_irq+0x36/0xd0 Jan 25 03:08:26 s kernel: [128427.542248] [<ffffffff8109e469>] ? note_interrupt+0x1c9/0x220 Jan 25 03:08:26 s kernel: [128427.542250] [<ffffffff8109ccf0>] ? irq_thread_fn+0x40/0x40 Jan 25 03:08:26 s kernel: [128427.542252] [<ffffffff8109cab5>] ? irq_thread+0x145/0x180 Jan 25 03:08:26 s kernel: [128427.542255] [<ffffffff810611ec>] ? __wake_up_common+0x4c/0x80 Jan 25 03:08:26 s kernel: [128427.542257] [<ffffffff8109cbf0>] ? irq_finalize_oneshot+0x100/0x100 Jan 25 03:08:26 s kernel: [128427.542259] [<ffffffff8109c970>] ? wake_threads_waitq+0x50/0x50 Jan 25 03:08:26 s kernel: [128427.542261] [<ffffffff810591d5>] ? kthread+0x85/0x90 Jan 25 03:08:26 s kernel: [128427.542265] [<ffffffff814231f4>] ? kernel_thread_helper+0x4/0x10 Jan 25 03:08:26 s kernel: [128427.542267] [<ffffffff81059150>] ? kthread_freezable_should_stop+0x50/0x50 Jan 25 03:08:26 s kernel: [128427.542275] [<ffffffff814231f0>] ? gs_change+0xb/0xb Jan 25 03:08:26 s kernel: [128427.542276] handlers: Jan 25 03:08:26 s kernel: [128427.542278] [<ffffffff8109c040>] irq_default_primary_handler threaded [<ffffffff812d7ed0>] usb_hcd_irq Jan 25 03:08:26 s kernel: [128427.542283] [<ffffffff8109c040>] irq_default_primary_handler threaded [<ffffffff812d7ed0>] usb_hcd_irq Jan 25 03:08:26 s kernel: [128427.542286] [<ffffffff8109c040>] irq_default_primary_handler threaded [<ffffffff812d7ed0>] usb_hcd_irq Jan 25 03:08:26 s kernel: [128427.542288] Disabling IRQ #18 [133970.593390] pwc: Iso frame 4 has error -18 [133970.593392] pwc: Iso frame 5 has error -18 [133970.593394] pwc: Iso frame 6 has error -18 [133970.593396] pwc: Iso frame 7 has error -114 [133970.593398] pwc: Iso frame 8 has error -18 [133970.593399] pwc: Iso frame 9 has error -18 And when I restart everything: [133971.011352] usbcore: deregistering interface driver Philips webcam [133971.056287] ohci_hcd 0000:00:13.0: remove, state 1 [133971.056296] ohci_hcd 0000:00:13.0: roothub graceful disconnect [133971.056303] usb usb2: USB disconnect, device number 1 [133971.056307] usb 2-4: USB disconnect, device number 2 [133971.056310] usb 2-4: unregistering device [133971.056314] usb 2-4: unregistering interface 2-4:1.0 [133971.056480] usb 2-4: unregistering interface 2-4:1.1 [133971.056951] usb 2-4: unregistering interface 2-4:1.2 [133971.057053] usb 2-4: usb_disable_device nuking all URBs [133971.058693] usb usb2: unregistering device [133971.058702] usb usb2: unregistering interface 2-0:1.0 [133971.058744] ohci_hcd 0000:00:13.0: shutdown urb ffff8802342b7e00 ep1in-intr [133971.060699] usb usb2: usb_disable_device nuking all URBs [133971.061051] ohci_hcd 0000:00:13.0: OHCI controller state [133971.061059] ohci_hcd 0000:00:13.0: OHCI 1.0, NO legacy support registers, rh state running [133971.061066] ohci_hcd 0000:00:13.0: control 0x083 HCFS=operational CBSR=3 [133971.061071] ohci_hcd 0000:00:13.0: cmdstatus 0x00000 SOC=0 [133971.061077] ohci_hcd 0000:00:13.0: intrstatus 0x00000024 FNO SF [133971.061082] ohci_hcd 0000:00:13.0: intrenable 0x8000005a MIE RHSC UE RD WDH [133971.061088] ohci_hcd 0000:00:13.0: ed_controlhead 00004000 [133971.061095] ohci_hcd 0000:00:13.0: hcca frame #86d9 [133971.061101] ohci_hcd 0000:00:13.0: roothub.a 02001205 POTPGT=2 NOCP NPS NDP=5(5) [133971.061106] ohci_hcd 0000:00:13.0: roothub.b 00000000 PPCM=0000 DR=0000 [133971.061111] ohci_hcd 0000:00:13.0: roothub.status 00008000 DRWE [133971.061116] ohci_hcd 0000:00:13.0: roothub.portstatus [0] 0x00000100 PPS [133971.061121] ohci_hcd 0000:00:13.0: roothub.portstatus [1] 0x00000100 PPS [133971.061126] ohci_hcd 0000:00:13.0: roothub.portstatus [2] 0x00000100 PPS [133971.061131] ohci_hcd 0000:00:13.0: roothub.portstatus [3] 0x00000103 PPS PES CCS [133971.061136] ohci_hcd 0000:00:13.0: roothub.portstatus [4] 0x00000100 PPS [133971.061188] ohci_hcd 0000:00:13.0: USB bus 2 deregistered [133971.061449] ohci_hcd 0000:00:13.0: OHCI Host Controller [133971.061459] ohci_hcd 0000:00:13.0: new USB bus registered, assigned bus number 2 [133971.061490] ohci_hcd 0000:00:13.0: created debug files [133971.061494] ohci_hcd 0000:00:13.0: supports USB remote wakeup [133971.061549] ohci_hcd 0000:00:13.0: irq 18, io mem 0xfeb4e000 [133971.115480] hub 4-0:1.0: state 7 ports 5 chg 0000 evt 0010 [133971.115500] ehci_hcd 0000:00:13.2: GetStatus port:4 status 001803 0 ACK POWER sig=j CSC CONNECT [133971.115514] hub 4-0:1.0: port 4, status 0501, change 0001, 480 Mb/s [133971.119435] ohci_hcd 0000:00:13.0: OHCI controller state [133971.119442] ohci_hcd 0000:00:13.0: OHCI 1.0, NO legacy support registers, rh state running [133971.119449] ohci_hcd 0000:00:13.0: control 0x083 HCFS=operational CBSR=3 [133971.119456] ohci_hcd 0000:00:13.0: cmdstatus 0x00000 SOC=0 [133971.119467] ohci_hcd 0000:00:13.0: intrstatus 0x00000004 SF [133971.119476] ohci_hcd 0000:00:13.0: intrenable 0x8000005a MIE RHSC UE RD WDH [133971.119487] ohci_hcd 0000:00:13.0: hcca frame #0004 [133971.119496] ohci_hcd 0000:00:13.0: roothub.a 02001205 POTPGT=2 NOCP NPS NDP=5(5) [133971.119504] ohci_hcd 0000:00:13.0: roothub.b 00000000 PPCM=0000 DR=0000 [133971.119510] ohci_hcd 0000:00:13.0: roothub.status 00008000 DRWE [133971.119519] ohci_hcd 0000:00:13.0: roothub.portstatus [0] 0x00000100 PPS [133971.119527] ohci_hcd 0000:00:13.0: roothub.portstatus [1] 0x00000100 PPS [133971.119534] ohci_hcd 0000:00:13.0: roothub.portstatus [2] 0x00000100 PPS [133971.119544] ohci_hcd 0000:00:13.0: roothub.portstatus [3] 0x00010100 CSC PPS [133971.119553] ohci_hcd 0000:00:13.0: roothub.portstatus [4] 0x00000100 PPS [133971.119575] usb usb2: default language 0x0409 [133971.119589] usb usb2: udev 1, busnum 2, minor = 128 [133971.119594] usb usb2: New USB device found, idVendor=1d6b, idProduct=0001 [133971.119599] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [133971.119604] usb usb2: Product: OHCI Host Controller [133971.119608] usb usb2: Manufacturer: Linux 3.6.11 ohci_hcd [133971.119613] usb usb2: SerialNumber: 0000:00:13.0 [133971.120097] usb usb2: usb_probe_device [133971.120104] usb usb2: configuration #1 chosen from 1 choice [133971.120119] usb usb2: adding 2-0:1.0 (config #1, interface 0) [133971.120282] hub 2-0:1.0: usb_probe_interface [133971.120288] hub 2-0:1.0: usb_probe_interface - got id [133971.120293] hub 2-0:1.0: USB hub found [133971.120304] hub 2-0:1.0: 5 ports detected [133971.120308] hub 2-0:1.0: standalone hub [133971.120313] hub 2-0:1.0: no power switching (usb 1.0) [133971.120317] hub 2-0:1.0: no over-current protection [133971.120322] hub 2-0:1.0: power on to power good time: 4ms [133971.120331] hub 2-0:1.0: local power source is good [133971.120336] hub 2-0:1.0: trying to enable port power on non-switchable hub [133971.219027] ohci_hcd 0000:00:13.0: GetStatus roothub.portstatus [3] = 0x00010100 CSC PPS [133971.242931] hub 4-0:1.0: debounce: port 4: total 100ms stable 100ms status 0x501 [133971.244355] usbcore: registered new interface driver Philips webcam [133971.298738] ehci_hcd 0000:00:13.2: port 4 full speed --> companion [133971.298744] ehci_hcd 0000:00:13.2: GetStatus port:4 status 003801 0 ACK POWER OWNER sig=j CONNECT [133971.298772] hub 4-0:1.0: port 4 not reset yet, waiting 50ms [133971.354548] ehci_hcd 0000:00:13.2: GetStatus port:4 status 003002 0 ACK POWER OWNER sig=se0 CSC [133971.354567] hub 4-0:1.0: state 7 ports 5 chg 0000 evt 0010 [133971.354572] ehci_hcd 0000:00:13.2: GetStatus port:4 status 003002 0 ACK POWER OWNER sig=se0 CSC [133971.354577] hub 4-0:1.0: port 4, status 0100, change 0001, 12 Mb/s [133971.482086] hub 4-0:1.0: debounce: port 4: total 100ms stable 100ms status 0x100 [133971.482091] hub 2-0:1.0: state 7 ports 5 chg 0000 evt 0010 [133971.482097] ohci_hcd 0000:00:13.0: GetStatus roothub.portstatus [3] = 0x00010101 CSC PPS CCS [133971.482101] hub 2-0:1.0: port 4, status 0101, change 0001, 12 Mb/s [133971.609625] hub 2-0:1.0: debounce: port 4: total 100ms stable 100ms status 0x101 [133971.681373] ohci_hcd 0000:00:13.0: GetStatus roothub.portstatus [3] = 0x00100103 PRSC PPS PES CCS [133971.737168] usb 2-4: new full-speed USB device number 2 using ohci_hcd [133971.808918] ohci_hcd 0000:00:13.0: GetStatus roothub.portstatus [3] = 0x00100103 PRSC PPS PES CCS [133971.884645] usb 2-4: ep0 maxpacket = 8 [133971.983106] usb 2-4: skipped 4 descriptors after interface [133971.983110] usb 2-4: skipped 2 descriptors after interface [133971.983112] usb 2-4: skipped 1 descriptor after endpoint [133971.983113] usb 2-4: skipped 2 descriptors after interface [133971.983115] usb 2-4: skipped 1 descriptor after endpoint [133971.983117] usb 2-4: skipped 2 descriptors after interface [133971.983118] usb 2-4: skipped 1 descriptor after endpoint [133971.983120] usb 2-4: skipped 2 descriptors after interface [133971.983121] usb 2-4: skipped 1 descriptor after endpoint [133971.985945] usb 2-4: default language 0x0409 [133972.008147] usb 2-4: udev 2, busnum 2, minor = 129 [133972.008151] usb 2-4: New USB device found, idVendor=0471, idProduct=0311 [133972.008153] usb 2-4: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [133972.008155] usb 2-4: SerialNumber: 01690000A5000000 [133972.009042] usb 2-4: usb_probe_device [133972.009045] usb 2-4: configuration #1 chosen from 1 choice [133972.011044] usb 2-4: adding 2-4:1.0 (config #1, interface 0) [133972.011118] Philips webcam 2-4:1.0: usb_probe_interface [133972.011120] Philips webcam 2-4:1.0: usb_probe_interface - got id [133972.011121] pwc: Philips PCVC740K (ToUCam Pro)/PCVC840 (ToUCam II) USB webcam detected. [133972.617795] pwc: Registered as video0. [133972.617903] input: PWC snapshot button as /devices/pci0000:00/0000:00:13.0/usb2/2-4/input/input7 [133972.617989] usb 2-4: adding 2-4:1.1 (config #1, interface 1) [133972.618103] snd-usb-audio 2-4:1.1: usb_probe_interface [133972.618108] snd-usb-audio 2-4:1.1: usb_probe_interface - got id [133972.685823] usb 2-4: adding 2-4:1.2 (config #1, interface 2) [133972.689226] hub 2-0:1.0: state 7 ports 5 chg 0000 evt 0010 [133977.918683] ohci_hcd 0000:00:13.0: IRQ: 4 8000005a [133985.698868] ohci_hcd 0000:00:13.0: last IRQ repeated 100 times [134003.770072] ohci_hcd 0000:00:13.0: IRQ: 24 8000005a [134006.297099] ohci_hcd 0000:00:13.0: last IRQ repeated 100 times Udo -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
