Re: port-i386/47244: Fit PC2i (Atom processor) won't boot i386-current

[Taylor R Campbell <campbell+netbsd%mumble.net@localhost>]

   Date: Sun, 25 Nov 2012 20:15:01 +0000 (UTC)
   From: htodd%twofifty.com@localhost

   lockdebug_more(c0bdc16a,1,0,0,c07997ab,0,c24ad6d0,daa68944,c0934df1,0) at 
netbsd:lockdebug_more
   
mutex_enter(c11dc788,c11dc788,c2509000,c043bc8e,0,daa689a8,c043ccb3,c29bbe0c,c2509e10,1)
  at netbsd:mutex_enter+0x4a2
   usb_add_task(c29bbe0c,c2509e10,1,c056a876,6,0,0,6,c2509254,c25098ec) at 
netbsd:usb_add_task+0x28
   
run_do_async(0,c2509254,daa689e0,c0393b05,c2509254,c25098f2,1,c07956ed,c27e1154,c25098f0)
 at netbsd:run_do_async+0xde

Looks like a bug from usbmp: the comment above usb_add_task in usb.c
says that it can be used from any context, but the task queue lock is
an adaptive mutex, which can't be taken in just any context.