current couldn't attach usb mouse
Chao Shin
quakelee at geekcn.org
Mon May 4 14:03:49 UTC 2009
> On Monday 04 May 2009, Chao Shin wrote:
>> usbus0: 12Mbps Full Speed USB v1.0
>> uhci_interrupt: host controller process error
>
> Hi,
>
> It appears your USB Host Controller Hardware has crashed.
>
> Could you boot having the following line in /boot/loader.conf:
>
> hw.usb2.uhci.debug=15
>
> And send new dmesg.
>
Thank you for your reply, I will get it tomorrow and send it to you.
>
>
> Patch you can try in the meanwhile:
>
> Edit /sys/dev/usb/controller/usb_controller.c:
>
> - usb2_dma_tag_setup(bus->dma_parent_tag, bus->dma_tags,
> - dmat, &bus->bus_mtx, NULL, 32, USB_BUS_DMA_TAG_MAX);
>
> + usb2_dma_tag_setup(bus->dma_parent_tag, bus->dma_tags,
> + dmat, &bus->bus_mtx, NULL, 30, USB_BUS_DMA_TAG_MAX);
>
> This will reduce the DMA bits to 30.
I will try this patch, thank you
>
> --HPS
>
>
> _______________________________________________
> freebsd-current at freebsd.org mailing list
> http://lists.freebsd.org/mailman/listinfo/freebsd-current
> To unsubscribe, send any mail to
> "freebsd-current-unsubscribe at freebsd.org"
--
The Power to Serve
More information about the freebsd-current
mailing list