Date: Sun, 11 Mar 2007 19:25:14 +0100 From: Hans Petter Selasky <hselasky@c2i.net> To: freebsd-usb@freebsd.org Cc: Kevin Oberman <oberman@es.net> Subject: Re: Problems with USB devices connecting to UHCI instead of EHCI Message-ID: <200703111925.14525.hselasky@c2i.net> In-Reply-To: <20070311010413.691C845053@ptavv.es.net> References: <20070311010413.691C845053@ptavv.es.net>
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On Sunday 11 March 2007 02:04, Kevin Oberman wrote: > If I load umass after plugging in a disk or flash fob, it will be > connected as a UHCI device. If I load umass and then connect the device, > it is properly connected as EHCI. When connected as a UHCI device, it is > too slow to be useful. > > Looks like a race condition as the EHCI is the last USB device probed. I > suspect that the disk is already connected to a UHCI device before an > EHCI device is found. > > uhci0: <Intel 82801FB/FR/FW/FRW (ICH6) USB controller USB-A> port > 0x1800-0x181f irq 11 at device 29.0 on pci0 uhci0: [GIANT-LOCKED] > uhci0: [ITHREAD] > usb0: <Intel 82801FB/FR/FW/FRW (ICH6) USB controller USB-A> on uhci0 > usb0: USB revision 1.0 > uhub0: <Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1> on usb0 > uhub0: 2 ports with 2 removable, self powered > uhci1: <Intel 82801FB/FR/FW/FRW (ICH6) USB controller USB-B> port > 0x1820-0x183f irq 11 at device 29.1 on pci0 uhci1: [GIANT-LOCKED] > uhci1: [ITHREAD] > usb1: <Intel 82801FB/FR/FW/FRW (ICH6) USB controller USB-B> on uhci1 > usb1: USB revision 1.0 > uhub1: <Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1> on usb1 > uhub1: 2 ports with 2 removable, self powered > uhci2: <Intel 82801FB/FR/FW/FRW (ICH6) USB controller USB-C> port > 0x1840-0x185f irq 11 at device 29.2 on pci0 uhci2: [GIANT-LOCKED] > uhci2: [ITHREAD] > usb2: <Intel 82801FB/FR/FW/FRW (ICH6) USB controller USB-C> on uhci2 > usb2: USB revision 1.0 > uhub2: <Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1> on usb2 > uhub2: 2 ports with 2 removable, self powered > uhci3: <Intel 82801FB/FR/FW/FRW (ICH6) USB controller USB-D> port > 0x1860-0x187f irq 11 at device 29.3 on pci0 uhci3: [GIANT-LOCKED] > uhci3: [ITHREAD] > usb3: <Intel 82801FB/FR/FW/FRW (ICH6) USB controller USB-D> on uhci3 > usb3: USB revision 1.0 > uhub3: <Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1> on usb3 > uhub3: 2 ports with 2 removable, self powered > ehci0: <Intel 82801FB (ICH6) USB 2.0 controller> mem 0xb0000000-0xb00003ff > irq 11 at device 29.7 on pci0 ehci0: [GIANT-LOCKED] > ehci0: [ITHREAD] > usb4: EHCI version 1.0 > usb4: companion controllers, 2 ports each: usb0 usb1 usb2 usb3 > usb4: <Intel 82801FB (ICH6) USB 2.0 controller> on ehci0 > usb4: USB revision 2.0 > uhub4: <Intel EHCI root hub, class 9/0, rev 2.00/1.00, addr 1> on usb4 > uhub4: 8 ports with 8 removable, self powered > > Any idea if this is fixable? Not a huge problem, but an annoying > one. Will the new USB system (hopefully coming soon) deal with this? It might have something to do with the probe order. Did you try the new USB stack. I recommend you install it on 6-stable, because on 7-current it needs some small patches to compile, due to some changes in the kernel API lately. --HPS
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