On 1/8/07, Alan Stern <[EMAIL PROTECTED]> wrote:
What shows up in dmesg?
dmesg is the same when it works and when it doesn't
What happens if you unplug the device and then plug it directly into
the computer? it works. As far as I can tell the problem only occurs on boot
What do you get if you turn on CONFIG_USB_DEBUG?
Trace from plugging into host on a already booted computer. The device worked. hub 2-0:1.0: state 8 ports 2 chg 0000 evt 0000 usb usb2: usb auto-resume usb usb2: finish resume hub 2-0:1.0: hub_resume usb usb2: wakeup_rh uhci_hcd 0000:00:1d.1: port 1 portsc 0093,00 hub 2-0:1.0: port 1, status 0101, change 0001, 12 Mb/s hub 2-0:1.0: debounce: port 1: total 100ms stable 100ms status 0x101 usb 2-1: new full speed USB device using uhci_hcd and address 5 usb 2-1: ep0 maxpacket = 8 usb 2-1: skipped 8 descriptors after interface usb 2-1: skipped 2 descriptors after interface usb 2-1: skipped 1 descriptor after endpoint usb 2-1: skipped 2 descriptors after interface usb 2-1: skipped 1 descriptor after endpoint usb 2-1: skipped 1 descriptor after interface usb 2-1: default language 0x0409 usb 2-1: new device strings: Mfr=1, Product=2, SerialNumber=0 usb 2-1: Product: Philips PSC805 usb 2-1: Manufacturer: Philips Electronics usb 2-1: uevent usb 2-1: usb_probe_device usb 2-1: configuration #1 chosen from 1 choice usb 2-1: adding 2-1:1.0 (config #1, interface 0) usb 2-1:1.0: uevent usb 2-1: adding 2-1:1.1 (config #1, interface 1) usb 2-1:1.1: uevent usb 2-1: adding 2-1:1.2 (config #1, interface 2) usb 2-1:1.2: uevent usb 2-1: adding 2-1:1.3 (config #1, interface 3) usb 2-1:1.3: uevent usbhid 2-1:1.3: usb_probe_interface usbhid 2-1:1.3: usb_probe_interface - got id input: Philips Electronics Philips PSC805 as /class/input/input5 drivers/usb/core/file.c: looking for a minor, starting at 96 input,hiddev96: USB HID v1.00 Device [Philips Electronics Philips PSC805] on usb-0000:00:1d.1-1 drivers/usb/core/inode.c: creating file '005' hub 2-0:1.0: state 7 ports 2 chg 0000 evt 0002 snd-usb-audio 2-1:1.0: usb_probe_interface snd-usb-audio 2-1:1.0: usb_probe_interface - got id usbdev2.5_ep01: ep_device_release called for usbdev2.5_ep01 usbdev2.5_ep82: ep_device_release called for usbdev2.5_ep82 usbcore: registered new interface driver snd-usb-audio Later on I see these: usb 2-1: usb_check_bandwidth would have FAILED: 470 + 457 = 927 usec usb 2-1: usb_check_bandwidth would have FAILED: 927 + 457 = 1384 usec usb 2-1: usb_check_bandwidth would have FAILED: 927 + 57 = 984 usec How can the bandwidth check fail? It is the only thing plugged into a root controller.
What does the device's entry in /proc/bus/usb/devices
It is in a working state here: T: Bus=02 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 5 Spd=12 MxCh= 0 D: Ver= 1.10 Cls=00(>ifc ) Sub=00 Prot=00 MxPS= 8 #Cfgs= 1 P: Vendor=0471 ProdID=0155 Rev= 4.14 S: Manufacturer=Philips Electronics S: Product=Philips PSC805 C:* #Ifs= 4 Cfg#= 1 Atr=80 MxPwr=500mA I: If#= 0 Alt= 0 #EPs= 0 Cls=01(audio) Sub=01 Prot=00 Driver=snd-usb-audio I: If#= 1 Alt= 0 #EPs= 0 Cls=01(audio) Sub=02 Prot=00 Driver=snd-usb-audio I: If#= 1 Alt= 1 #EPs= 1 Cls=01(audio) Sub=02 Prot=00 Driver=snd-usb-audio E: Ad=01(O) Atr=09(Isoc) MxPS= 576 Ivl=1ms 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=82(I) Atr=0d(Isoc) MxPS= 192 Ivl=1ms I: If#= 3 Alt= 0 #EPs= 1 Cls=03(HID ) Sub=00 Prot=00 Driver=usbhid E: Ad=83(I) Atr=03(Int.) MxPS= 3 Ivl=10ms Attached file is a dmesg of where it failed at boot. Verbose USB is enabled.
What does the device's entry in /proc/bus/usb/devices
It is in a non-working state here: T: Bus=02 Lev=01 Prnt=01 Port=00 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=0155 Rev= 4.14 S: Manufacturer=Philips Electronics S: Product=Philips PSC805 C:* #Ifs= 4 Cfg#= 1 Atr=80 MxPwr=500mA I: If#= 0 Alt= 0 #EPs= 0 Cls=01(audio) Sub=01 Prot=00 Driver=snd-usb-audio I: If#= 1 Alt= 0 #EPs= 0 Cls=01(audio) Sub=02 Prot=00 Driver=snd-usb-audio I: If#= 1 Alt= 1 #EPs= 1 Cls=01(audio) Sub=02 Prot=00 Driver=snd-usb-audio E: Ad=01(O) Atr=09(Isoc) MxPS= 576 Ivl=1ms 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=82(I) Atr=0d(Isoc) MxPS= 192 Ivl=1ms I: If#= 3 Alt= 0 #EPs= 1 Cls=03(HID ) Sub=00 Prot=00 Driver=usbhid E: Ad=83(I) Atr=03(Int.) MxPS= 3 Ivl=10ms -- Jon Smirl [EMAIL PROTECTED]
dmesg
Description: Binary data
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