6.0-stable panic in ohci_softintr when using ucom/uftdi

[Paul Koch]

On Wed, 7 Dec 2005 09:02 pm, Ian Dowse wrote:
> In message <200512071328.37867.paul.koch at statseeker.com>, Paul Koch 
writes:
> >As soon at the modem rings, the machine panics.  I don't think the
> >modem even gets time to pick up the line.  This doesn't happen on
> >a 5.4-stable box with 6 modems connected, but 5.4-stable appears
> >to have other "hanging" issues, thus why I am trying out 6.0-stable.
> >
> >Recent changes to ohci.c (1.154.2.1) in this area (2 days ago) ??
> >Should I raise a PR ?
>
> I'll see if I can reproduce this later - the only thing I can think
> of now that might be responsible is a USB transfer reuse issue that
> the old patch here might help with:
>
> 	http://people.freebsd.org/~iedowse/releng_5_xfer_reuse.diff
>
> Could you see if that makes any difference? It should apply to
> 6-stable even though the name says releng_5.
>
> Ian

I'll try it tomorrow morning when I get back to the office.

I compiled in USB_DEBUG and set all the usb debug sysctl's to 100 and 
made it crash again. It is reproduceable 100% of the time.  Are you 
interested in seeing the verbose debug log messages at all ?

	Paul. 
-- 
Paul Koch
CTO
Statseeker