Re: [diagnostic] cache_lock: blocked on... extremely urgent

[Petr Janda <elekktretterr@xxxxxxxxxxxxxx>]

YONETANI Tomokazu wrote:
> On Thu, Apr 12, 2007 at 02:01:54AM +1000, Petr Janda wrote:
>   
> > Its running this raid card:;
> >
> > mly0@pci1:6:1:  class=0x010400 card=0x00541069 chip=0x00501069 rev=0x02 
> > hdr=0x00
> >    vendor   = 'Mylex Corp'
> >    device   = 'AcceleRAID Disk Array'
> >    class    = mass storage
> >    subclass = RAID
> >
> > It seems that because of this problem, mails get stuck in postfix queues.
> >     
>
> It looks to me like another critical section mismatch:
>
> Index: mly.c
> ===================================================================
> RCS file: /home/source/dragonfly/cvs/src/sys/dev/raid/mly/mly.c,v
> retrieving revision 1.17
> diff -u -p -r1.17 mly.c
> --- mly.c	22 Dec 2006 23:26:24 -0000	1.17
> +++ mly.c	12 Apr 2007 05:00:42 -0000
> @@ -820,8 +820,10 @@ mly_immediate_command(struct mly_command
>  
>      /* spinning at splcam is ugly, but we're only used during controller init */
>      crit_enter();
> -    if ((error = mly_start(mc)))
> +    if ((error = mly_start(mc))) {
> +	crit_exit();
>  	return(error);
> +    }
>  
>      if (sc->mly_state & MLY_STATE_INTERRUPTS_ON) {
>  	/* sleep on the command */
>
>   
Thanks Yonetani,

I applied your patch and i am rebooting now. I will keep an eye on the 
server for the next few days/weeks and see if this fixed it.

Petr