On Tue, 14 Jun 2005, Alan Young wrote: > I'm having a problem with USB on a Alpha DP264 system. I've tried several > kernels with the latest being 2.6.11.11. The motherboard has an onboard > Cypress/Contaq 82c693UB chip. The chip is recognized by the OHCI driver, > but there seems to be some problem during initialization. I've tried > poking around a couple of different places but I haven't been able > to figure out enough about USB to find out what is wrong. I appreciate > if someone can look at these messages and see what might be going wrong.
> If I plug in a USB keyboard or a wall powered hub I get these messages: > > Jun 12 13:07:33 fish kernel: hub 1-0:1.0: state 5 ports 2 chg 0000 evt 0002 > Jun 12 13:07:33 fish kernel: ohci_hcd 0000:00:05.3: GetStatus > roothub.portstatus [0] = > 0x00010101 CSC PPS CCS > Jun 12 13:07:33 fish kernel: hub 1-0:1.0: port 1, status 0101, change 0001, > 12 Mb/s > Jun 12 13:07:33 fish kernel: ohci_hcd 0000:00:05.3: GetStatus > roothub.portstatus [0] = > 0x00000101 PPS CCS > Jun 12 13:07:33 fish last message repeated 4 times > Jun 12 13:07:33 fish kernel: hub 1-0:1.0: debounce: port 1: total 100ms > stable 100ms > status 0x101 > Jun 12 13:07:33 fish kernel: ohci_hcd 0000:00:05.3: GetStatus > roothub.portstatus [0] = > 0x00120101 PRSC PESC PPS CCS > Jun 12 13:07:33 fish kernel: hub 1-0:1.0: port 1 not reset yet, waiting 50ms > Jun 12 13:07:33 fish kernel: ohci_hcd 0000:00:05.3: GetStatus > roothub.portstatus [0] = > 0x00120101 PRSC PESC PPS CCS This looks to me like a hardware problem, most likely in the host controller. All those error messages indicate that the controller wasn't able to reset the port. Alan Stern ------------------------------------------------------- SF.Net email is sponsored by: Discover Easy Linux Migration Strategies from IBM. Find simple to follow Roadmaps, straightforward articles, informative Webcasts and more! Get everything you need to get up to speed, fast. http://ads.osdn.com/?ad_id=7477&alloc_id=16492&op=click _______________________________________________ [email protected] To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-users
