USB bus setup error with 7.1 + PAE

[Charles Owens]

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