On Sat, Apr 05, 2008 at 04:10:10PM -0600, M. Warner Losh wrote: > In message: <[EMAIL PROTECTED]> > Jeremy Chadwick <[EMAIL PROTECTED]> writes: > : Bottom line: the current FreeBSD USB stack is very fragile and > : unreliable. You may want to try the usb4bsd kernel patches (I think > : that's what it's called), some have had better luck with those. Search > : the web. > > This crash has nothing to do with the usb stack. The root cause is > the device deletion code nulls out a pointer. There's a routine that > is sleeping which is woken up and the null pointer gets dereferenced > leading to the crash. I believe that I fixed this in the HEAD and RELENG_7.
MFC to the RELENG_6 is possible, but I have no facilities to test. > > The current usb stack isn't as fragile as it was in the 5.x days. > While there are problems, this one isn't due to that. The same thing > happens when you eject a PC Card 16550 COM device, due to the same > bug. > > Warner > _______________________________________________ > freebsd-stable@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-stable > To unsubscribe, send any mail to "[EMAIL PROTECTED]"
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