W dniu 06.09.2011 05:00, Xu, Andiry pisze: >> -----Original Message----- >> From: linux-usb-owner@xxxxxxxxxxxxxxx [mailto:linux-usb- >> owner@xxxxxxxxxxxxxxx] On Behalf Of Julian Sikorski >> Sent: Tuesday, September 06, 2011 5:13 AM >> To: linux-usb@xxxxxxxxxxxxxxx >> Subject: Re: problems with usb 3.0 on clevo p150hm >> >> OK, while this problem seems to happen only if I physically move the >> laptop or the drive, here is what happens upon an attempt to > disconnect >> and reconnect the drive: >> >> Sep 5 23:09:50 snowball2 kernel: [14616.142633] xhci_hcd > 0000:02:00.0: >> ERROR no room on ep ring >> Sep 5 23:09:50 snowball2 kernel: [14616.142648] xhci_hcd > 0000:02:00.0: >> ERR: No room for command on command ring >> Sep 5 23:09:50 snowball2 kernel: [14616.142661] hub 3-0:1.0: couldn't >> allocate port 2 usb_device >> Sep 5 23:09:52 snowball2 kernel: [14618.219332] xhci_hcd > 0000:02:00.0: >> ERROR no room on ep ring >> Sep 5 23:09:52 snowball2 kernel: [14618.219347] xhci_hcd > 0000:02:00.0: >> ERR: No room for command on command ring >> Sep 5 23:09:52 snowball2 kernel: [14618.219360] hub 4-0:1.0: couldn't >> allocate port 2 usb_device >> >> Is that some sort of hardware failure I should investigate? >> > > Can you apply the patch attached and post dmesg when the issue occurs? > > Thanks, > Andiry I added the patch you posted to my running kernel. I'll report back as soon as the problem occurs again - I do not have a sure way to trigger it. Cheers, Julian -- 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
