Re: [linux-usb-devel] Crash with high speed

2003-07-16 Thread David Brownell
Bernd Porr wrote: The transfer mode is isochronous. Which is probably part of the reason for the crash; that code has hardly been used, and there are no tests to make sure that it works right either.. Related to this problem: how often is the completion routine called? Every microframe (125us) in

[linux-usb-devel] Crash with high speed

2003-07-16 Thread Bernd Porr
Hi! I've written a driver successfully for full speed (USB1.1). It is for an FX2 based DAQ board. However, when I run it in high speed (USB 2.0) with the ehci driver the kernel crashes. This happens at the moment when I resubmit the urb within the interrupt context. The first transfer from the