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From: Erich Dollansky <erichfreebsdlist@ovitrap.com>
To: freebsd-usb@freebsd.org
Date: Thu, 14 Jan 2010 10:32:43 +0800
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Subject: USB (ohci) on FreeBSD 8.0 not working with AcerLabs M5237
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Hi,

I installed 8.0 after my hard disk died. I compiled 8.0 from last 
Saturday with the GENERIC configuration.

It booted and hanged on the spot 7.2 gives this message:

ohci0: <AcerLabs M5237 (Aladdin-V) USB controller> mem 
0xe8100000-0xe8100fff irq 11 at device 2.0 on pci0
ohci0: [GIANT-LOCKED]
ohci0: [ITHREAD]
usb0: OHCI version 1.0, legacy support
usb0: <AcerLabs M5237 (Aladdin-V) USB controller> on ohci0
usb0: USB revision 1.0

Disabling ohci gives me a kernel which boots but it does not allow 
me to use the external USB mouse.

The machine is a Fujitsu P2120.

As a consequence, I moved back to 7.2 which gives me a running 
system.