On Wed, Jun 12, 2002 at 12:02:52AM +0200, Jeroen Vreeken wrote:
> On 2002.06.11 23:54:42 +0200 Tom Rini wrote:
> > I'm seeing the following oops when I plug in my old Kensington video cam
> > (se401 driver used to work, but it's been 6+ months since I tried):
[snip]
> > Decoded:
> > >>NIP; c0195d90 <se401_probe+28/220>   <=====
> 
> To me it looks like it oopses somewhere in the probe function....
> (The oops doesn't look familiar, what architecture are you on, PowerPC??)

Yeap, PowerPC.

> Is it possible to add some printk() calls in the probe function to
> determine where it goes wrong?

Well, I tried.  First, if I have CONFIG_USB=m, CONFIG_USB_DEBUG=y,
CONFIG_OHCI=m, CONFIG_SE401=m and CONFIG_VIDEODEV=y:
(a) hotplug 20020401 doesn't go ahead and modprobe 'se401'.
(b) modprobe'ing se401, the driver picks up the camera, and all seems well.

Compiling everything in, only gets as far as:
hub.c: port 1, portstatus 101, change 1, 12 Mb/s                                
hub.c: port 1 connection change                                                 
hub.c: port 1, portstatus 101, change 1, 12 Mb/s                                
hub.c: port 1, portstatus 101, change 0, 12 Mb/s                                
hub.c: port 1, portstatus 101, change 0, 12 Mb/s                                
hub.c: port 1, portstatus 101, change 0, 12 Mb/s                                
hub.c: port 1, portstatus 101, change 0, 12 Mb/s                                
hub.c: port 1, portstatus 103, change 10, 12 Mb/s                               
hub.c: USB new device connect on bus1/1, assigned device number 2               
usb.c: kmalloc IF c3b97760, numif 1                                             
usb.c: new device strings: Mfr=1, Product=2, SerialNumber=0                     
usb.c: USB device number 2 default language ID 0x409                            
Product: CABO II                                                                
Oops: Exception in kernel mode, sig: 4                                          

And the prink I inserted at the top of the function never gets called.

-- 
Tom Rini (TR1265)
http://gate.crashing.org/~trini/

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