On Tuesday 14 June 2005 6:27 am, jon wrote: > I have now got a test bed with 4 machines. 2 running the latest kernel > 2.6.11.4-21.7-default and one running 2.6.4 and 2.6.8 > > I can clear up the first issue and confirm that all machines using my > driver fail with the USB 2.0 hub so that has been thrown out
That's excessive. The hub probably works fine. You did notice that in order to get any EHCI full-speed ISO IN support, you needed to enable a kernel option that's labeled as EXPERIMENTAL, didn't you? > and all tests are with the > device plugged into the machine. > > the earlier kernels work fine with my device. The 2.6.11 machines > fail with the following trace. Any hints would be most welcome > > > Thanks > > Jonathan > > > > Jun 14 08:40:36 skydriver-driver.c: XXXXXX sky_open > Jun 14 08:40:46 skydriver-driver.c: Sky Read 4096 > Jun 14 08:40:46 skydriver-driver.c: pipesize 128 > Jun 14 08:40:46 skydriver-driver.c: Sky Read 1 > Jun 14 08:40:46 skydriver-driver.c: B4 Assignment Sky Read 4096 > Jun 14 08:40:46 skydriver-driver.c: > dev->read_urb[dev->readURB]->transfer_buffer_length 128 > Jun 14 08:40:46 skydriver-driver.c: Sky Read set up urbs > Jun 14 08:40:46 skydriver-driver.c: Sky Read submit 0, ret 0, URB No 0 > ... > Jun 14 08:40:46 skydriver-driver.c: B4 Assignment Sky Read 4096 > Jun 14 08:40:46 skydriver-driver.c: > dev->read_urb[dev->readURB]->transfer_buffer_length 128 > Jun 14 08:40:46 skydriver-driver.c: Sky Read set up urbs > Jun 14 08:40:46 skydriver-driver.c: Sky Read submit 3, ret 0, URB No 3 > Jun 14 08:40:46 skydriver-driver.c: Sky Read B4 Sleep Count 4096 > Jun 14 08:40:46 skydriver-driver.c: Sky Read After sleep > Jun 14 08:40:46 skydriver-driver.c: Callback !!!! > Jun 14 08:40:46 skydriver-driver.c: sky_read_loop: corrupted packet status: > -84 where "-84" presumably (x86) means EILSEQ ... did you check what Documentation/usb/error-codes.txt says about that? > Jun 14 08:40:46 skydriver-driver.c: packets 0 > Jun 14 08:40:46 skydriver-driver.c: Sub Count 3 > Jun 14 08:40:46 skydriver-driver.c: Callback !!!! > Jun 14 08:40:46 skydriver-driver.c: sky_read_loop: corrupted packet status: > -84 > Jun 14 08:40:46 skydriver-driver.c: packets 0 > Jun 14 08:40:46 skydriver-driver.c: Sub Count 2 > Jun 14 08:40:46 skydriver-driver.c: Callback !!!! > > > etc > > ------------------------------------------------------- This SF.Net email is sponsored by: NEC IT Guy Games. How far can you shotput a projector? How fast can you ride your desk chair down the office luge track? If you want to score the big prize, get to know the little guy. Play to win an NEC 61" plasma display: http://www.necitguy.com/?r=20 _______________________________________________ [email protected] To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel
