In message: <[EMAIL PROTECTED]> Rink Springer <[EMAIL PROTECTED]> writes: : On Wed, Nov 05, 2008 at 02:18:17AM -0700, M. Warner Losh wrote: : > In message: <[EMAIL PROTECTED]> : > Hans Petter Selasky <[EMAIL PROTECTED]> writes: : > : On Wednesday 05 November 2008, Lars Engels wrote: : > : > Mounting a umass device, removing it and doing an 'ls' on the mountpoint : > : > freezes the system, I thought this should not happen with the new stack? : > : : > : It is not a USB problem. It is the CAM layer that is hanging on the disk. : > : > Sure it is CAM layer and not buffer cache or filesystem code? : : Well, the CAM layer problem will immediately first - it does not like : CAM busses disappearing. Once this is fixed or avoided and the problem : still shows up, we can blame buffer cache / filesystem code. : : As I suggested before, a good fix is to create one CAM bus per USB root : hub, and use that to attach all umass devices to. This will also get rid : of the one-bus-per-umass-device which is visually unappealling.
That might work. It might also be useful to see if the DragonFly patches to allow this port over or not... Warner _______________________________________________ freebsd-usb@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-usb To unsubscribe, send any mail to "[EMAIL PROTECTED]"