Date: Tue, 10 May 2005 22:05:43 +0200 (CEST) From: usbcrash@oldach.net (Helge Oldach) To: julian@elischer.org (Julian Elischer) Cc: usb@freebsd.org Subject: Re: recent USB MFCs cause panics Message-ID: <200505102005.j4AK5iQm001369@sep.oldach.net> In-Reply-To: <427A955E.4070605@elischer.org> from Julian Elischer at "May 5, 2005 2:51:26 pm"
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Julian,
> maybe the answer is to comment out
>
> DEVMETHOD(bus_child_detached, uhub_child_detached),
>
> at line 134 of uhub.c
> DEVMETHOD(bus_child_detached, uhub_child_detached),
> It's kind of hard for me to...... (sudden thought appears)
Did comment that line out. Precisely:
--- uhub.c.ctm Wed May 4 15:58:48 2005
+++ uhub.c Tue May 10 21:27:38 2005
@@ -131,7 +131,7 @@
#else
USB_DECLARE_DRIVER_INIT(uhub,
DEVMETHOD(bus_driver_added, uhub_driver_added),
- DEVMETHOD(bus_child_detached, uhub_child_detached),
+ /* DEVMETHOD(bus_child_detached, uhub_child_detached), */
DEVMETHOD(device_suspend, bus_generic_suspend),
DEVMETHOD(device_resume, bus_generic_resume),
DEVMETHOD(device_shutdown, bus_generic_shutdown)
But the result is still the same:
umass0: BBB bulk-in clear stall failed, STALLED
umass0: BBB bulk-out clear stall failed, STALLED
umass0: BBB reset failed, STALLED
umass0: BBB bulk-in clear stall failed, STALLED
umass0: BBB bulk-out clear stall failed, STALLED
umass0: BBB reset failed, STALLED
umass0: at uhub1 port 2 (addr 5) disconnected
umass0: detached
(null): BBB bulk-in clear stall failed, CANCELLED
(null): BBB bulk-out clear stall failed, CANCELLED
panic: (null): Unknown state 0
> DUH you are running this in a hub aren't you?
Yes:
uhub1: Cypress Semiconductor Slim Hub, class 9/0, rev 2.00/0.08, addr 3
uhub1: 4 ports with 4 removable, self powered
I'm now back to the situation before your MFC. That works reliably. I
would suggest to back this out for the time being.
Regards,
Helge
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