Subject: Re: kern/36003: "Mutex error: mutex_vector_enter: locking against
To: None <kern-bug-people@netbsd.org, gnats-admin@netbsd.org,>
From: Andrew Doran <ad@netbsd.org>
List: netbsd-bugs
Date: 03/14/2007 14:40:03
The following reply was made to PR kern/36003; it has been noted by GNATS.
From: "Andrew Doran" <ad@netbsd.org>
To: gnats-bugs@NetBSD.org
Cc:
Subject: Re: kern/36003: "Mutex error: mutex_vector_enter: locking against
myself" on evbarm/IQ80321
Date: Wed, 14 Mar 2007 14:37:54 -0000 (GMT)
> Mutex error: mutex_vector_enter: locking against myself
>
> lock address : 0x00000000c0533e8c
> current cpu : 0
> current lwp : 0x00000000c26559c0
> owner field : 0x0000000000010c00 wait/spin: 0/1
[...]
> netbsd:turnstile_lookup+0xc
> scp=0xc0353e4c rlv=0xc033f838 (netbsd:mutex_vector_exit+0x110)
> rsp=0xc2ed0e00 rfp=0xc2ed0e14
> r5=0x00000000 r4=0xc2ee6f00
I guess this is a DIAGNOSTIC kernel? The sched_mutex has been locked and
something has failed to release it. There's no MI reason for that to occur
that I know of. It looks like there is a gxemul target for this machine,
so I'll give it a go when I get a chance.
Andrew