Re: amd64 panic: lock (sleep mutex) ral0 not locked _at_ /usr/src/sys/dev/ral/rt2560.c:2012

On Saturday, September 25, 2010 3:53:34 pm Anton Shterenlikht wrote:
> On amd64 r213168 I've a ral(4) CardBus
> wireless device of obscure origin.
> It is identified as
> 
> db> bt
> Tracing pid 0 tid 100068 td 0xffffff0001b59440
> kbd_enter() at kbd_enter+0x3d
> panic() at panic+0x17b
> witness_unlock() at witness_unlock+0x297
> _mtx_unlock_flags() at _mtx_unlock_flags+0x7e
> rt2560_ioctl() at rt2560_ioctl+0xbf
> taskqueue_run() at taskqueue_run+0x63
> taskqueue_thread_loop() at taskqueue_thread_loop+0x54
> fork_exit() at fork_exit+0x12a
> fork_trampoline() at fork_trampoline+0xe
> --- trap 0, rip 0, rsp=0xffffff80b2d41cf0, rbp = 0 ---

This will likely fix your panic, but I think the card is likely to still not 
work:

Index: rt2560.c
===================================================================
--- rt2560.c	(revision 212900)
+++ rt2560.c	(working copy)
_at__at_ -2667,8 +2667,7 _at__at_
 	RAL_WRITE(sc, RT2560_CSR1, RT2560_HOST_READY);
 
 	if (rt2560_bbp_init(sc) != 0) {
-		rt2560_stop(sc);
-		RAL_UNLOCK(sc);
+		rt2560_stop_locked(sc);
 		return;
 	}
 


-- 
John Baldwin