On 19/11/14(Wed) 12:56, RD Thrush wrote:
> >Synopsis:    usb3 flash drive not detected in blue port
> >Category:    kernel
> >Environment:
>       System      : OpenBSD 5.6
>       Details     : OpenBSD 5.6-current (XHCI.MP) #1: Wed Nov 19 09:58:52 EST 
> 2014
>                        
> [email protected]:/usr/src/sys/arch/amd64/compile/XHCI.MP
> 
>       Architecture: OpenBSD.amd64
>       Machine     : amd64
> >Description:
>       Having noticed problems detecting a usb3 flash drive w/ recent 
> snapshots, I
>       built a kernel w/ XHCI_DEBUG to help diagnose.  I have annotated the 
> serial
>       console capture of the following events:
>         1. Boot w/ usb - sata adapter plugged into a blue port.  The adapter 
> had a
>            2.5" laptop hdd and it was detected as sd3.  However,
>         2. 'fdisk sd3' hung and was not interruptible w/ ^C.
>         3. Unplugged the sd3 adapter.
>         4. Reboot w/ usb3 flash drive plugged into a blue port and saw that 
> it was
>            *not* detected.
>         5. Move the usb3 drive to a usb2 port and see that it is detected and 
> works
>            well.
>         6. Unplug usb3 drive
> 
>       I have also appended 'pcidump -xxv' as well as 'lsusb -v' for
>       both the a-data and jmicron adapters.
> 
> >How-To-Repeat:
>       As above.
> >Fix:
>       Disable xHCI mode in the bios avoids the above issues.  Let me know how
>       I may help troubleshoot.

Thanks for this very well detailed bug report.  Apparently there's an
issue in our xhci(4) driver with Intel Series 7 & 8 controllers, I'll
try to get my hand on such hardware in the next days and come back to
you.

Reply via email to