On 2017-11-30 "Paul B. Henson" <hen...@acm.org> wrote:
> > From: Base Pr1me
> > Sent: Thursday, November 30, 2017 2:08 PM
> > 
> > I run 5 apu2 devices with no problems. I don't have any apu3 devices ... 
> > yet.  
> 
> Thanks for the feedback. Do you by any chance have any USB type Mini PCI 
> cards installed internally? I initially noticed the issue with a mini PCI LTE 
> modem card. Then I realized it was a more generic USB problem; I believe the 
> apu2 has USB1 and USB2 ports, the apu3 has two USB3 ports externally, and 
> then the mini PCI and a couple of internal headers are USB2. The USB3 ports, 
> using the xHCI driver, work fine, I suppose in the worst case I could use an 
> external Mini PCI to USB adapter and plug the card in outside of the case, 
> but that just seems so kludgy <sigh>.
> 
> I actually found a friend locally who had a apu2 board, he couldn't get the 
> LTE card to work on the internal mini PCI slot, which also appeared to be 
> EHCI based, and it would sometimes work and sometimes not plugged into the 
> external USB ports. It was really weird, when plugged into the same external 
> port, sometimes the device would show up on the EHCI bus (and not work) and 
> sometimes it would show up on the OHCI bus (and work). He didn't seem to have 
> any trouble with USB flash drives on the EHCI bus on his apu2 though.
> 
> 


Hi,

I have the same problem and have tried to hunt the bug, but failed so
far. Have you already identified the quirks linux and freebsd use to
fix this problem?

Christopher


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