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

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

From: Hubert Feyrer <>
Subject: Re: kern/42656: netbsd-5: panic LOCKDEBUG in opencrypto(9) w/
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
 Begin traceback...
 at netbsd:__qdivrem+0x4f1db
 at 0xc06cd9a0
 at 0xc06cd9a0
 at 0xca016ec0
 Bad frame pointer: 0xc06ccae0
 End traceback...
 dump to dev 0,1 not possible
   - Hubert

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