Re: Udev?

On Monday 05 March 2007, Greg KH wrote:
>On Mon, Mar 05, 2007 at 08:47:58PM -0500, Gene Heskett wrote:
>> Where can I ask udev related questions?  I dunno if this is your
>> playground or not now.
>
>Try on the linux-hotplug-devel mailing list, that's the proper place for
>udev questions.
>
>And no, I'm not in charge of udev anymore, that's Kay.
>
>> Basicly I have a new F6C1500 Belkin, which when I plug in a pl2303
>> cable, becomes /dev/ttyUSB0 and Belkins own monitor soft works about
>> 99%.
>>
>> Its found by the kernel and an lsusb if I plug a usb cable in
>> directly, but no device is made by udev when I do.  dmesg sees this:
>>
>> Mar  5 20:07:59 coyote kernel: usb 3-3.4.4: new low speed USB device
>> using ehci_hcd and address 9
>> Mar  5 20:07:59 coyote kernel: usb 3-3.4.4: configuration #1 chosen
>> from 1 choice
>> Mar  5 20:08:00 coyote kernel: hiddev96: USB HID v1.11 Device [Belkin
>> Belkin UPS] on usb-0000:00:02.2-3.4.4
>>
>> And two new devices /dev/usbdev-hub.address_ep00 and _ep80 are created
>> but cat can't find them to test if any data is coming out.
>
>You can't cat those files, that doesn't do anything.
>
>> Ideally I
>> shouldn't I see a /dev/ttyUSB2 created since there are already 2
>> pl2303 cable's there now?  FC6, uptodate, homebrewed kernel so I could
>> be missing a module.
>
>Can you provide the output of /proc/bus/usb/devices?  And this should be
>on the linux-usb-devel list, not linux-hotplug-devel, as it doesn't have
>anything to do with udev.
>
>thanks,
>
>greg k-h

Thank you, Greg.

I've unplugged the pl2303 and plugged a usb cable in direct, here is the 
cat of /proc/bus/usb/devices:

T:  Bus=03 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#=  1 Spd=480 MxCh= 6
B:  Alloc=  0/800 us ( 0%), #Int=  4, #Iso=  0
D:  Ver= 2.00 Cls=09(hub  ) Sub=00 Prot=01 MxPS=64 #Cfgs=  1
P:  Vendor=0000 ProdID=0000 Rev= 2.06
S:  Manufacturer=Linux 2.6.20-rds ehci_hcd
S:  Product=EHCI Host Controller
S:  SerialNumber=0000:00:02.2
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=03 Lev=01 Prnt=01 Port=02 Cnt=01 Dev#=  2 Spd=480 MxCh= 4
D:  Ver= 2.00 Cls=09(hub  ) Sub=00 Prot=01 MxPS=64 #Cfgs=  1
P:  Vendor=0409 ProdID=0059 Rev= 1.00
C:* #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr=100mA
I:  If#= 0 Alt= 0 #EPs= 1 Cls=09(hub  ) Sub=00 Prot=00 Driver=hub
E:  Ad=81(I) Atr=03(Int.) MxPS=   1 Ivl=256ms

T:  Bus=03 Lev=02 Prnt=02 Port=03 Cnt=01 Dev#=  5 Spd=480 MxCh= 4
D:  Ver= 2.00 Cls=09(hub  ) Sub=00 Prot=01 MxPS=64 #Cfgs=  1
P:  Vendor=0409 ProdID=0059 Rev= 1.00
C:* #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr=100mA
I:  If#= 0 Alt= 0 #EPs= 1 Cls=09(hub  ) Sub=00 Prot=00 Driver=hub
E:  Ad=81(I) Atr=03(Int.) MxPS=   1 Ivl=256ms

T:  Bus=03 Lev=03 Prnt=05 Port=00 Cnt=01 Dev#=  9 Spd=1.5 MxCh= 0
D:  Ver= 1.10 Cls=00(>ifc ) Sub=00 Prot=00 MxPS= 8 #Cfgs=  1
P:  Vendor=050d ProdID=0751 Rev= 0.01
S:  Manufacturer=Belkin
S:  Product=Belkin UPS
C:* #Ifs= 1 Cfg#= 1 Atr=c0 MxPwr= 20mA
I:  If#= 0 Alt= 0 #EPs= 1 Cls=03(HID  ) Sub=00 Prot=00 Driver=usbhid
E:  Ad=81(I) Atr=03(Int.) MxPS=   8 Ivl=248ms

T:  Bus=03 Lev=03 Prnt=05 Port=01 Cnt=02 Dev#=  6 Spd=480 MxCh= 0
D:  Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs=  1
P:  Vendor=05e3 ProdID=070e Rev=93.17
S:  Product=USB Storage
S:  SerialNumber=000000009317
C:* #Ifs= 1 Cfg#= 1 Atr=80 MxPwr=500mA
I:  If#= 0 Alt= 0 #EPs= 2 Cls=08(stor.) Sub=06 Prot=50 Driver=usb-storage
E:  Ad=81(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E:  Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms

T:  Bus=03 Lev=03 Prnt=05 Port=02 Cnt=03 Dev#=  7 Spd=1.5 MxCh= 0
D:  Ver= 1.10 Cls=00(>ifc ) Sub=00 Prot=00 MxPS= 8 #Cfgs=  1
P:  Vendor=046d ProdID=c510 Rev=34.10
S:  Manufacturer=Logitech
S:  Product=USB Receiver
C:* #Ifs= 1 Cfg#= 1 Atr=a0 MxPwr= 50mA
I:  If#= 0 Alt= 0 #EPs= 1 Cls=03(HID  ) Sub=01 Prot=02 Driver=usbhid
E:  Ad=81(I) Atr=03(Int.) MxPS=   8 Ivl=10ms

T:  Bus=02 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#=  1 Spd=12  MxCh= 3
B:  Alloc=  0/900 us ( 0%), #Int=  1, #Iso=  0
D:  Ver= 1.10 Cls=09(hub  ) Sub=00 Prot=00 MxPS=64 #Cfgs=  1
P:  Vendor=0000 ProdID=0000 Rev= 2.06
S:  Manufacturer=Linux 2.6.20-rds ohci_hcd
S:  Product=OHCI Host Controller
S:  SerialNumber=0000:00:02.1
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= 4
D:  Ver= 1.10 Cls=09(hub  ) Sub=00 Prot=00 MxPS= 8 #Cfgs=  1
P:  Vendor=0451 ProdID=2046 Rev= 1.25
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=   1 Ivl=255ms

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=0000 ProdID=0000 Rev= 2.06
S:  Manufacturer=Linux 2.6.20-rds ohci_hcd
S:  Product=OHCI Host Controller
S:  SerialNumber=0000:00:02.0
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=02 Cnt=01 Dev#=  3 Spd=12  MxCh= 0
D:  Ver= 1.10 Cls=00(>ifc ) Sub=00 Prot=00 MxPS= 8 #Cfgs=  1
P:  Vendor=04b8 ProdID=0005 Rev= 1.00
S:  Manufacturer=EPSON
S:  Product=USB Printer
S:  SerialNumber=RL0200301161041200
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=01(O) Atr=02(Bulk) MxPS=  64 Ivl=0ms
E:  Ad=82(I) Atr=02(Bulk) MxPS=  64 Ivl=0ms

I obviously have too many hubs...


-- 
Cheers, Gene
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)

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