Re: lor on boot

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On Thursday 02 October 2003 05:54 pm, Robert Watson wrote:
> On Thu, 2 Oct 2003, Mark Woodson wrote:
> > On Thursday 02 October 2003 05:07 pm, Robert Watson wrote:
> > > On Thu, 2 Oct 2003, Mark Woodson wrote:
> > > > I'm getting a lor on a system just upgraded to sources from
> > > > this morning.  The systems been running fine for the past
> > > > month or so.
> > >
> > > What version of src/sys/net/netisr.c are you running with?
> >
> >  * $FreeBSD: src/sys/net/netisr.c,v 1.4 2003/10/01 21:31:09
> > rwatson Exp $
> >
> > That's what I'm showing.  So it's from last night then.
>
> Ah. Ok, this is because the if_rl driver holds the driver mutex
> across a call to the interface input routine, resulting in holding
> the mutex across a call into the remainder of the network stack. 
> The reason this showed up for you now is that I temporarily enabled
> direct dispatch of the isr code directly from the driver interrupt
> threads for an hour or so last night, and you updated during that
> time.  I backed it out to work on two issues -- one the possible
> reordering of packets (patch now bing reviewed), and the other that
> a few drivers currently hold their lock over the call into the
> remainder of the stack, which needs to be fixed.  If you cvsup, the
> problem should go away.

I will do so, the machine seems to continue functioning I'll note 
though.

Thanks for rather quick response.

- -Mark

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