Re: USB3 express card panics on 9.0-RC1

On Thursday 03 November 2011 19:42:30 Hans Petter Selasky wrote:
> On Thursday 03 November 2011 13:30:19 Jan Henrik Sylvester wrote:
> > After reading http://www.unixguide.net/freebsd/faq/18.13.shtml , I found
> > that ffffffff806e8040 t usb_process is the last symbol before
> > instruction pointer = 0x20:0xffffffff806e80aa. Does this help?
> 
> Try add:
> 
> options         KDB                     # Enable kernel debugger support.
> options         DDB                     # Support DDB.
> 

Hi,

Looks like it panics at:

        mtx_lock(up->up_mtx);

In "usb_process()" which is created by the "xhci0" instance.

I would really like to see a dump of "up" and "up_mtx" because I cannot see 
how this can happen.

Have you seen any USB errors in the dmesg up to the point of this panic?

--HPS
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