Re: kern/43884: subr_log.c: Mutex error: lockdebug_wantlock: locking against myself

["Christoph Egger" <Christoph_Egger%gmx.de@localhost>]

> The following reply was made to PR kern/43884; it has been noted by GNATS.
> 
> From: David Holland <dholland-bugs%netbsd.org@localhost>
> To: gnats-bugs%NetBSD.org@localhost
> Cc: 
> Subject: Re: kern/43884: subr_log.c: Mutex error: lockdebug_wantlock:
>  locking against myself
> Date: Mon, 27 Sep 2010 02:21:10 +0000
> 
>  On Thu, Sep 16, 2010 at 09:50:00AM +0000, Christoph_Egger%gmx.de@localhost 
> wrote:
>   > breakpoint() at netbsd:breakpoint+0x5
>   > panic() at netbsd:panic+0x28f
>   > lockdebug_more() at netbsd:lockdebug_more
>   > mutex_enter() at netbsd:mutex_enter+0x263
>   > logputchar() at netbsd:logputchar+0x68
>   > putchar() at netbsd:putchar+0x95
>   > kprintf() at netbsd:kprintf+0x1d2
>   > printf() at netbsd:printf+0xb7
>  
>  Where did the printf come from?

From sys/arch/xen/xen/evtchn.c:evtchn_do_event()
line 276

Christoph