Re: kern/50491: unkillable wait in usbd_transfer while using usmsc0 on raspberry pi 2

[Nick Hudson <skrll%netbsd.org@localhost>]

hi,

Can you try this patch without the assert_sleepable patch and see if it 
helps?

thanks,
Nick

Index: sys/dev/usb/usb.c
===================================================================
RCS file: /cvsroot/src/sys/dev/usb/usb.c,v
retrieving revision 1.154
diff -u -p -r1.154 usb.c
--- sys/dev/usb/usb.c	25 Jul 2014 08:10:39 -0000	1.154
+++ sys/dev/usb/usb.c	7 Dec 2015 21:35:06 -0000
@@ -212,7 +212,7 @@ usb_attach(device_t parent, device_t sel
 	aprint_normal("\n");
 
 	/* XXX we should have our own level */
-	sc->sc_bus->soft = softint_establish(SOFTINT_NET | SOFTINT_MPSAFE,
+	sc->sc_bus->soft = softint_establish(SOFTINT_SERIAL | SOFTINT_MPSAFE,
 	    usb_soft_intr, sc->sc_bus);
 	if (sc->sc_bus->soft == NULL) {
 		aprint_error("%s: can't register softintr\n",