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 :0d:00.0: Timeout while waiting for address
device command
[ 464.728073] xhci_hcd :0d:00.0: Stopped the command ring failed, maybe
the host is dead
[ 464.728073] xhci_hcd :0d:00.0: Host not halted after 16000
microseconds.
[ 464.728073] xhci_hcd :0d:00.0: Abort command ring failed
[ 479.976010] [sched_delayed] sched: RT throttling activated
[ 479.987230] xhci_hcd :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
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