USB bus setup error with 7.1 + PAE
Charles Owens
cowens at greatbaysoftware.com
Thu Dec 3 04:57:17 UTC 2009
Hans Petter Selasky wrote:
> On Wednesday 02 December 2009 18:08:47 Charles Owens wrote:
>> [originally posted to -hardware]
>>
>> Hello,
>>
>> I'm having problems with the functioning of USB keyboards with an IBM
>> System x3550 M2 (new quad core Xeon, 6 GB RAM). With a FreeBSD 7.1
>> PAE-enabled kernel, initialization of some of the USB buses fails. From
>> an external perspective, this results in the rear USB port being
>> non-functional, while the two front USB ports work fine. For some
>> reason, though, when booting the same PAE kernel from a CD none of the
>> USB ports function. It may be worth noting that we have four other
>> hardware platforms (different IBM, HP, and OEM Intel) that do not
>> exhibit this behavior (ie. PAE and USB seem okay with each other).
>>
>> In previous posting (
>> http://docs.freebsd.org/cgi/mid.cgi?4B0D14CB.1010000 ) I included output
>> of usbdevs and boot log when running the PAE-enabled kernel. Note the
>> "root hub error" messages in boot log.
>>
>> Below I'll repeat the same info when running a non-PAE kernel.
>>
>> Any thoughts as to what the story is here... and suggestions for
>> resolution? Thanks in advance. (We expect in next few days to test
>> with 8.0 for comparison, but at this point much prefer to see matter
>> resolved in 7.x)
>>
>> ...
>
> Hi,
>
> The USB stack in 8.0-RELEASE has power save enabled by default. Maybe
> something in that area is not wired correctly in the hardware.
>
> You can try:
>
> usbconfig -u X -a Y power_on
>
> For all your HUBs and root HUBs.
>
> --HPS
>
>
Thank you, but we're seeing the problem with 7.1 .
Charles
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