From owner-freebsd-hardware@FreeBSD.ORG  Thu Aug  7 11:56:32 2003
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Date: Thu, 7 Aug 2003 11:56:32 -0700 (PDT)
From: Nate Lawson <nate@root.org>
To: Martin Blapp <mb@imp.ch>
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cc: jmg@freebsd.org
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Subject: Re: Corrupted data with a SiS 5571 USB controller and umass
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On Sun, 3 Aug 2003, Martin Blapp wrote:
> I cannot use most USB devices on my laptop for an unknown reason.
> On a different box, I am able to read both card reader devices
> without any problems.
>
> The kernel has been compiled with option USB_DEBUG.
>
> The following sysctls has been set:
>
> hw.usb.umass.debug=1
> hw.usb.debug=1
>
> USB dmesg with the broken SiS controller (boot -v):
>
> Aug  3 15:09:41 lapi kernel: ohci0: <SiS 5571 USB controller> mem 0xec001000-0xec001fff irq 11 at device 3.0 on pci0
> Aug  3 15:09:41 lapi kernel: usb0: OHCI version 1.0, legacy support
> Aug  3 15:09:41 lapi kernel: usb0: <SiS 5571 USB controller> on ohci0
> Aug  3 15:09:41 lapi kernel: usb0: USB revision 1.0
> Aug  3 15:09:41 lapi kernel: uhub0: SiS OHCI root hub, class 9/0, rev 1.00/1.00, addr 1
> Aug  3 15:09:41 lapi kernel: uhub0: 2 ports with 2 removable, self powered
> Aug  3 15:09:41 lapi kernel: ohci1: <SiS 5571 USB controller> mem 0xec002000-0xec002fff irq 11 at device 3.1 on pci0
> Aug  3 15:09:41 lapi kernel: usb1: OHCI version 1.0, legacy support
> Aug  3 15:09:41 lapi kernel: usb1: <SiS 5571 USB controller> on ohci1
> Aug  3 15:09:41 lapi kernel: usb1: USB revision 1.0
> Aug  3 15:09:41 lapi kernel: uhub1: SiS OHCI root hub, class 9/0, rev 1.00/1.00, addr 1
> Aug  3 15:09:41 lapi kernel: uhub1: 2 ports with 2 removable, self powered
> Aug  3 15:09:41 lapi kernel: ohci2: <SiS 5571 USB controller> mem 0xec003000-0xec003fff irq 11 at device 3.2 on pci0
> Aug  3 15:09:41 lapi kernel: usb2: OHCI version 1.0, legacy support
> Aug  3 15:09:41 lapi kernel: usb2: <SiS 5571 USB controller> on ohci2
> Aug  3 15:09:41 lapi kernel: usb2: USB revision 1.0
> Aug  3 15:09:41 lapi kernel: uhub2: SiS OHCI root hub, class 9/0, rev 1.00/1.00, addr 1
> Aug  3 15:09:41 lapi kernel: uhub2: 2 ports with 2 removable, self powered

Sorry, I don't know anything about OHCI controllers.

-Nate