Re: usb issues on OLD USB 1.0 machine...

On 06/12/14 20:52, John-Mark Gurney wrote:
> So, I'm trying to get USB functional on an old i386 machine that only
> supports USB 1.0...  It works, but when I try to plug in a hub I get
> the following:
> uhub0: 2 ports with 2 removable, self powered
> Root mount waiting for: usbus0
> usb_alloc_device: set address 2 failed (USB_ERR_IOERROR, ignored)
> Root mount waiting for: usbus0
> usbd_setup_device_desc: getting device descriptor at addr 2 failed, USB_ERR_IOERROR
> Root mount waiting for: usbus0
> usbd_req_re_enumerate: addr=2, set address failed! (USB_ERR_IOERROR, ignored)
> Root mount waiting for: usbus0
> Root mount waiting for: usbus0
> usbd_setup_device_desc: getting device descriptor at addr 2 failed, USB_ERR_IOERROR
> Root mount waiting for: usbus0
> usbd_req_re_enumerate: addr=2, set address failed! (USB_ERR_IOERROR, ignored)
> Root mount waiting for: usbus0
> Root mount waiting for: usbus0
> usbd_setup_device_desc: getting device descriptor at addr 2 failed, USB_ERR_IOERROR
> usbd_req_re_enumerate: addr=2, set address failed! (USB_ERR_IOERROR, ignored)
> Root mount waiting for: usbus0
> Root mount waiting for: usbus0
> usbd_setup_device_desc: getting device descriptor at addr 2 failed, USB_ERR_IOERROR
> Root mount waiting for: usbus0
> usbd_req_re_enumerate: addr=2, set address failed! (USB_ERR_IOERROR, ignored)
> Root mount waiting for: usbus0
> Root mount waiting for: usbus0
> usbd_setup_device_desc: getting device descriptor at addr 2 failed, USB_ERR_IOERROR
> ugen0.2: <Unknown> at usbus0 (disconnected)
> uhub_reattach_port: could not allocate new device
>
> This was working w/ code from around a month ago, but I don't remeber
> which rev it was, and I forgot to save the old kernel..  This is from:
> FreeBSD serbox.funkthat.com 11.0-CURRENT FreeBSD 11.0-CURRENT #0 r266964:267061M: Wed Jun 11 15:35:27 PDT 2014     jmg_at_carbon.funkthat.com:/usr/obj/i386.i386/usr/src/sys/serbox  i386
>
> Interesting parts of dmesg:
> FreeBSD 11.0-CURRENT #0 r266964:267061M: Wed Jun 11 15:35:27 PDT 2014
>      jmg_at_carbon.funkthat.com:/usr/obj/i386.i386/usr/src/sys/serbox i386
> FreeBSD clang version 3.4.1 (tags/RELEASE_34/dot1-final 208032) 20140512
> CPU: AMD-K6tm w/ multimedia extensions (200.46-MHz 586-class CPU)
>    Origin="AuthenticAMD"  Id=0x562  Family=0x5  Model=0x6  Stepping=2
>    Features=0x8001bf<FPU,VME,DE,PSE,TSC,MSR,MCE,CX8,MMX>
>    AMD Features=0x400<<b10>>
> real memory  = 134217728 (128 MB)
> avail memory = 120770560 (115 MB)
> [...]
> uhci0: <VIA 83C572 USB controller> port 0x6400-0x641f irq 10 at device 7.2 on pci0
> usbus0 on uhci0
> [...]
> usbus0: 12Mbps Full Speed USB v1.0
> ugen0.1: <VIA> at usbus0
> uhub0: <VIA UHCI root HUB, class 9/0, rev 1.00/1.00, addr 1> on usbus0
>
> usbconfig:
> ugen0.1: <UHCI root HUB VIA> at usbus0, cfg=0 md=HOST spd=FULL (12Mbps) pwr=SAVE (0mA)
> ugen0.2: <USB-Serial Controller Prolific Technology Inc.> at usbus0, cfg=0 md=HOST spd=FULL (12Mbps) pwr=ON (100mA)
>
> The ugen0.2 is plugged directly into the one of the ports, and works..
>
> Let me know if there is anything more info I can provide.
>

Hi,

Possibly increase the timing variables under:

sysctl hw.usb.timings

If they are not there, possibly the USB_DEBUG option has been removed 
from the kernel config. Can you check that?

--HPS