On Wed, Jun 12, 2013 at 10:25:32AM +0900, Norman Diamond wrote: > Kernels somewhere around 2.6.35 could handle USB 3.0 at random sometimes, > but kernel 3.8.0 fails consistently. I know I should try to bisect this, > but I don't have time and the randomness of the older kernel doesn't help. > > lspci: > 0d:00.0 USB controller [0c03]: NEC Corporation uPD720200 USB 3.0 Host Controller > [1033:0194] (rev 04) > Kernel driver in use: xhci_hcd > > lsusb: > Bus 007 Device 002: ID 152d:0539 JMicron Technology Corp. / JMicron USA Technology Corp. > > dmesg: > [ 458.857081] usb 6-1: new high-speed USB device number 2 using xhci_hcd > [ 463.857085] xhci_hcd 0000:0d:00.0: Timeout while waiting for address device command > [ 464.728073] xhci_hcd 0000:0d:00.0: Stopped the command ring failed, maybe the host is dead > [ 464.728073] xhci_hcd 0000:0d:00.0: Host not halted after 16000 microseconds. > [ 464.728073] xhci_hcd 0000:0d:00.0: Abort command ring failed > [ 479.976010] [sched_delayed] sched: RT throttling activated > [ 479.987230] xhci_hcd 0000:0d:00.0: HC died; cleaning up Can you try a newer kernel (hint, 3.8.0 is old and obsolete)? 3.10-rc5 would be great, but I'll settle for 3.9.5 if you can try that. thanks, greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
