[uClinux-dev] Kernel Panic with Blackfin Processor

Phil Wilshire pwilshire at cox.net
Wed Oct 12 21:19:30 EDT 2005


Hi
Some more details please

Which version of tools and uClinux are you using ?

Which Blackfin platform ?

Exception 2 is probably the NMI interrupt.
Does the hardware you are using cause an NMI when the USB device is 
plugged in ?

Regards
  Phil Wilshire






amol sukerkar wrote:

> Hi,
>      I am trying to implement a ti_usb_serial driver(Texas Instrument 
> modem) on Blackfin Processor. The driver compiles in the kernel 
> without any problem (although I had to change usb_fill_bulk_urb to 
> FILL_BULK_URB to match my version of usb.h, which I don't want to change).
>      The kernel boots without any problem on the target. However, as 
> soon as the Texas Instrument modem is plugged in the usb port, I get 
> an error message. The message is like:
>    .
>    .
>    .
> Exception: IRQ 0x2 entered.
>    .
>    .
>    .
>    .
>    .
> Kernel panic: unhandled IRQ or exceptions!
>
>   I am not able to understand what causes the IRQ conflict. Can 
> anybody address this issue? Thanks.
>
> Cheers
> Amol
>
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