Date: Tue, 04 Nov 2014 20:22:14 +0000 From: Steven Hartland <steven@multiplay.co.uk> To: Hans Petter Selasky <hps@selasky.org>, "freebsd-usb@freebsd.org" <freebsd-usb@freebsd.org> Subject: Re: ehci breaking Supermicro IPMI keyboard on uhci? Message-ID: <54593576.9050100@multiplay.co.uk> In-Reply-To: <54591009.5020401@multiplay.co.uk> References: <5458184E.5020801@multiplay.co.uk> <54587E9B.50709@selasky.org> <54590195.7090600@multiplay.co.uk> <545902B4.8030001@selasky.org> <54591009.5020401@multiplay.co.uk>
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On 04/11/2014 17:42, Steven Hartland wrote: > > On 04/11/2014 16:45, Hans Petter Selasky wrote: >> On 11/04/14 17:40, Steven Hartland wrote: >>> On 04/11/2014 07:22, Hans Petter Selasky wrote: >>>> On 11/04/14 01:05, Steven Hartland wrote: >>>>> Had the problem where the Supermicro IPMI keyboard wouldn't work >>>>> on some >>>>> machines for a while, tonight I finally had time to play with all the >>>>> options to see if anything would make it work. >>>>> >>>>> Turns out adding the following to loader.conf does fixes the issue: >>>>> hint.ehci.0.disabled="1" >>>>> >>>>> So the question is why would this help? >>>>> >>>>> Surely disabling one controller shouldn't make devices attached to >>>>> another work? >>>>> >>>> >>>> Hi, >>>> >>>> The USB device is failing to enumerate. Are you sure there is no XHCI >>>> controller on this device? >>> I did try removing xhci from my kernel config, but that had no effect, >>> only when I disabled the ehci controller did it correctly enumerate the >>> devices attached to the uhci controller. >>> >>> Attached is the outuput from pciconf -l -v in case that helps. If >>> there's anything else I can provide which will help just let me know. >>> >>> For reference I'm currently testing 10.1-RC4 on this box. >>> >>> Regards >>> Steve >> >> Maybe you can check the PCI IDs with Linux EHCI driver, if your >> hardware requires some special quirks? > I cant find any mention of quirks for the Intel USB controller PCI IDs > but I might be looking in the wrong place, do you have a link to what > I should be searching though? > > I did however find the following which is for the exact device I'm > having issues with and seems to indicate the HW might have an issue > with HighSpeed mode. > > https://lkml.org/lkml/2012/4/19/224 > http://lkml.iu.edu//hypermail/linux/kernel/1204.3/03115.html > > Which makes me wonder if hw.usb.ehci.no_hs=1 would also result in a > working device. > Ok so without the disabled hit but with no_hs=1 the devices still works and usbconfig list shows: ugen1.1: <UHCI root HUB Intel> at usbus1, cfg=0 md=HOST spd=FULL (12Mbps) pwr=SAVE (0mA) ugen0.1: <UHCI root HUB Intel> at usbus0, cfg=0 md=HOST spd=FULL (12Mbps) pwr=SAVE (0mA) ugen3.1: <EHCI root HUB Intel> at usbus3, cfg=0 md=HOST spd=HIGH (480Mbps) pwr=SAVE (0mA) ugen2.1: <UHCI root HUB Intel> at usbus2, cfg=0 md=HOST spd=FULL (12Mbps) pwr=SAVE (0mA) ugen2.2: <Multidevice Peppercon AG> at usbus2, cfg=0 md=HOST spd=FULL (12Mbps) pwr=ON (100mA) and messages: Nov 4 19:28:53 test1 kernel: usbus0 on uhci0 Nov 4 19:28:53 test1 kernel: usbus1 on uhci1 Nov 4 19:28:53 test1 kernel: usbus2 on uhci2 Nov 4 19:28:53 test1 kernel: usbus3: EHCI version 1.0 Nov 4 19:28:53 test1 kernel: usbus3 on ehci0 Nov 4 19:28:53 test1 kernel: usbus0: 12Mbps Full Speed USB v1.0 Nov 4 19:28:53 test1 kernel: usbus1: 12Mbps Full Speed USB v1.0 Nov 4 19:28:53 test1 kernel: usbus2: 12Mbps Full Speed USB v1.0 Nov 4 19:28:53 test1 kernel: usbus3: 480Mbps High Speed USB v2.0 Nov 4 19:28:53 test1 kernel: ugen1.1: <Intel> at usbus1 Nov 4 19:28:53 test1 kernel: uhub0: <Intel UHCI root HUB, class 9/0, rev 1.00/1.00, addr 1> on usbus1 Nov 4 19:28:53 test1 kernel: ugen0.1: <Intel> at usbus0 Nov 4 19:28:53 test1 kernel: uhub1: <Intel UHCI root HUB, class 9/0, rev 1.00/1.00, addr 1> on usbus0 Nov 4 19:28:53 test1 kernel: ugen3.1: <Intel> at usbus3 Nov 4 19:28:53 test1 kernel: uhub2: <Intel EHCI root HUB, class 9/0, rev 2.00/1.00, addr 1> on usbus3 Nov 4 19:28:53 test1 kernel: ugen2.1: <Intel> at usbus2 Nov 4 19:28:53 test1 kernel: uhub3: <Intel UHCI root HUB, class 9/0, rev 1.00/1.00, addr 1> on usbus2 Nov 4 19:28:53 test1 kernel: Root mount waiting for: usbus3 Nov 4 19:28:53 test1 kernel: Root mount waiting for: usbus3 Nov 4 19:28:53 test1 kernel: Root mount waiting for: usbus3 Nov 4 19:28:53 test1 kernel: ugen2.2: <Peppercon AG> at usbus2 Nov 4 19:28:53 test1 kernel: ukbd0: <Peppercon AG Multidevice, class 0/0, rev 2.00/0.01, addr 2> on usbus2 So now I'm even more confused :( Regards Steve
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