Re: Problems with raidframe under NetBSD-5.1/i386

[Greg Oster <oster%cs.usask.ca@localhost>]

On Thu, 6 Jan 2011 09:42:41 -0800
buhrow%lothlorien.nfbcal.org@localhost (Brian Buhrow) wrote:

>       Hello.  I have a box running NetBSD-5.1/i386 with kernel
> sources from 1/4/2011 which refuses to reconstruct to what looks like
> a perfectly good disk.  The errormessages are:
> 
> Command:
> root#raidctl -R /dev/sd10a raid2
> 
> Error messages from the kernel:
> raid2: initiating in-place reconstruction on column 4
> raid2: Recon write failed!
> raid2: reconstruction failed.

Is there anything else in /var/log/messsages about this?  Did the
component fail before with write errors?

> So, I realize this isn't a lot to go on, so I've been trying to build
> a kernel with some debugging in it.
> 
> Configured a kernel with:
> options DEBUG
> options       RF_DEBUG_RECON
> 
> But the kernel won't build because the Dprintf statements that get
> turned on in the rf_reconstruct.c file when the second option is
> enabled causes gcc to emit warnings.  

Ug.  Those should probably be fixed, although I don't suspect many
people use them....

>       So, rather than fixing the warnings, and potentially breaking
> something else, my question is, how can I turn off -werror in the
> build process for just this kernel?  Looking in the generated
> Makefile didn't provide enlightenment and I don't really want to
> disable this option for my entire tree.  But, I imagine, this is an
> easy and often-wanted thing to do. -thanks
> -Brian


Later...

Greg Oster