Re: kern/42656: netbsd-5: panic LOCKDEBUG in opencrypto(9) w/ hifn(4)

[Hubert Feyrer <hubert%feyrer.de@localhost>]

The following reply was made to PR kern/42656; it has been noted by GNATS.

From: Hubert Feyrer <hubert%feyrer.de@localhost>
To: gnats-bugs%NetBSD.org@localhost
Cc: 
Subject: Re: kern/42656: netbsd-5: panic LOCKDEBUG in opencrypto(9) w/
 hifn(4)
Date: Fri, 22 Jan 2010 12:06:02 +0100 (CET)

 On Fri, 22 Jan 2010, Hubert Feyrer wrote:
 > A data point: when using the same hifn(4) card in another i386 machine, I
 > don't get the panic.
 
 The machine had LOCKDEBUG, but not DIAGNOSTIC.
 Adding DIAGNOSTICS to the kernel, the panics happen, too
 (with a somewhat funky traceback, though):
 
 Mutex error: lockdebug_barrier: spin lock held
 
 lock address : 0x00000000c0477af4 type     :               spin
 initialized  : 0x00000000c0113304
 shared holds :                  0 exclusive:                  1
 shares wanted:                  0 exclusive:                  0
 current cpu  :                  0 last held:                  0
 current lwp  : 0x00000000cb5c6780 last held: 0x00000000cb5c6780
 last locked  : 0x00000000c0117945 unlocked : 0x00000000c011874f
 owner field  : 0x0000000000010600 wait/spin:                0/1
 
 panic: LOCKDEBUG
 Begin traceback...
 
copyright(c06cda20,0,0,c0427090,ca016d80,ca016d18,c0477af4,c04240e4,cb5c6780,c0117945)
 
 at netbsd:__qdivrem+0x4f1db
 ld_prime(ca016d41,0,0,c0427090,ca016e00,ca016d98,c0477974,c04240e4,0,c029f654) 
 at 0xc06cd9a0
 ld_prime(ca016d41,0,0,c0427090,ca016e00,ca016d98,c0477974,c04240e4,0,c029f654) 
 at 0xc06cd9a0
 
_prop_array_pool(ca016dc0,0,cb060bc0,c042503c,cb060bc0,cb060b58,c0477400,c04240f0,0,0)
 
 at 0xca016ec0
 Bad frame pointer: 0xc06ccae0
 End traceback...
 
 dump to dev 0,1 not possible
 rebooting...
 
 
   - Hubert