On Wed, May 03, 2000, Mike Davison <[EMAIL PROTECTED]> wrote:
>
> I recently patched the 2.3.99 (http://www.suse.cz/development/usb-backport/)
> backport into a 2.2.14 kernel. After some effort, I was able to use my
> Kodak 265 digital camera. Great! However, when I tried to use it again
> a few days latter I ran into a problem that I am not sure how to debug.
>
> I may have bungled the backport. Most everything seemed to go well, but
> I had to create an fstab entry and a device file. The /dev/dcxx* files
> have the wrong device numbers, which seems odd.
>
> The fstab entry looks like:
>
> none /proc/bus/usb usbdevfs defaults 0 0
>
>
> The device file looks like:
>
> crwxrwxrwx 1 root root 180, 80 Apr 28 18:25 /dev/kodak
>
> Yes, I know the permissions are silly, but I didn't want a simple permission
> problem causing problems while I was debugging this.
>
>
> The contents of /proc/bus/usb/drivers:
>
> 80- 95: dc2xx
> hub
> usbdevfs
>
>
> The contents of /proc/bus/usb/devices:
>
> T: Bus=01 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= 1.00 Cls=09(hub ) Sub=00 Prot=00 MxPS= 8 #Cfgs= 1
> P: Vendor=0000 ProdID=0000 Rev= 0.00
> S: Product=USB UHCI Root Hub
> S: SerialNumber=f500
> C:* #Ifs= 1 Cfg#= 1 Atr=40 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= 8 Ivl=255ms
> T: Bus=01 Lev=01 Prnt=01 Port=01 Cnt=01 Dev#= -1 Spd=12 MxCh= 0
> D: Ver= 0.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS= 0 #Cfgs= 0
> P: Vendor=0000 ProdID=0000 Rev= 0.00
>
> The last 3 lines show up when the camera is connected, but seem incomplete.
> When I used this successfully a few days ago it seems like there was more
> data there.
>
> So, does anyone have any suggested debugging techniques? I'm not sure how
> to proceed.
Those last three lines tell us that something went wrong during the
enumeration process. There should be something in your logs. Can you
give us the output from dmesg pertaining to USB?
Although it probably won't make too much of a difference, which UHCI
driver are you using?
JE
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