Re: CVS commit: src/sys/dev

[David Young <dyoung%pobox.com@localhost>]

On Fri, Sep 11, 2009 at 09:28:34AM +0000, Matthias Scheler wrote:
> Module Name:  src
> Committed By: tron
> Date:         Fri Sep 11 09:28:34 UTC 2009
> 
> Modified Files:
>       src/sys/dev: cgd.c
> 
> Log Message:
> Don't allocate block buffers on the stack. This can cause stack overflows
> in the kernel and breaks SSP builds.

This is a step in the right direction, but now cgd(4) is doing
malloc(..., M_WAITOK) in (software) interrupt context.  A LOCKDEBUG
kernel will panic.  How can we avoid the stack overflows and such in a
different way?

Dave

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David Young             OJC Technologies
dyoung%ojctech.com@localhost      Urbana, IL * (217) 278-3933