On Thu, 11 Oct 2012, Gian-Carlo Pascutto wrote: > I noticed that sometimes when booting the USB subsystem already behaves > erratically. For example this morning I'm greeted by: > > [ 234.455604] ohci_hcd 0000:00:04.0: urb ffff8801296fac80 path 4 ep1in > 93120000 cc 9 --> status -121 > [ 234.466567] ohci_hcd 0000:00:04.0: urb ffff88010ce362c0 path 4 ep1in > 92120000 cc 9 --> status -121 > > which keeps repeating infinitely. > > I've also seen: > > Oct 8 08:52:37 denebix kernel: [ 358.482780] ohci_hcd 0000:00:04.0: > GetStatus roothub.portstatus [3] = 0x00130301 PRSC PESC CSC LSDA PPS CCS > Oct 8 08:52:37 denebix kernel: [ 358.482808] hub 4-0:1.0: unable to > enumerate USB device on port 4 > Oct 8 08:52:37 denebix kernel: [ 358.482823] hub 4-0:1.0: state 7 > ports 6 chg 0000 evt 0010 > Oct 8 08:52:37 denebix kernel: [ 358.482837] ohci_hcd 0000:00:04.0: > GetStatus roothub.portstatus [3] = 0x00030301 PESC CSC LSDA PPS CCS > Oct 8 08:52:37 denebix kernel: [ 358.482851] hub 4-0:1.0: port 4, > status 0301, change 0003, 1.5 Mb/s > > which also repeats infinitely. > > Maybe my hardware/chipset is just crap? I don't know, maybe. Maybe that's just a bad cable connection (this includes the possibility of bad connections inside the PC case). Alan Stern -- 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
