linux-kernel - Re: linux-next: boot test failure (net tree)

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Message-Id: <20110818152214.661858a61496993aaef2c704@canb.auug.org.au>
Date:	Thu, 18 Aug 2011 15:22:14 +1000
From:	Stephen Rothwell <sfr@...b.auug.org.au>
To:	David Miller <davem@...emloft.net>
Cc:	netdev@...r.kernel.org, linux-next@...r.kernel.org,
	linux-kernel@...r.kernel.org, jeffrey.t.kirsher@...el.com,
	Michael Neuling <mikey@...ling.org>,
	Linus <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: linux-next: boot test failure (net tree)

Hi Dave,

On Wed, 17 Aug 2011 10:50:02 +1000 Stephen Rothwell <sfr@...b.auug.org.au> wrote:
>
> On Tue, 16 Aug 2011 17:15:25 -0700 (PDT) David Miller <davem@...emloft.net> wrote:
> >
> > From: Stephen Rothwell <sfr@...b.auug.org.au>
> > Date: Wed, 17 Aug 2011 10:01:46 +1000
> > 
> > > In particular, CONFIG_TIGON3 newly depends on
> > > CONFIG_NET_VENDOR_BROADCOM which will no be selected when doing a
> > > "make oldconfig" from a working config.
> > 
> > When you type "make oldconfig" with an existing .config it prompts you
> > for those vendor guards, giving you ample opportunity to say yes to
> > them.
> 
> Which is a bit of a pain for automated systems.  Ours does (essentially):
> 
> yes '' | make oldconfig
> 
> We really don't want to select every new config item that comes along.

So, Mikey did a test for me (he was bitten by this today).  Just one of
the powerpc configs (pseries_defconfig which should, in theory, build a
kernel that will boot on almost all our POWER server machines) loses all
these drivers if you do a "make pseries_defconfig":

 -CONFIG_IBMVETH=y
 -CONFIG_PCNET32=y
 -CONFIG_E100=y
 -CONFIG_ACENIC=m
 -CONFIG_ACENIC_OMIT_TIGON_I=y
 -CONFIG_E1000=y
 -CONFIG_E1000E=y
 -CONFIG_BNX2=m
 -CONFIG_CHELSIO_T3=m
 -CONFIG_CHELSIO_T4=m
 -CONFIG_IXGBE=m
 -CONFIG_IXGB=m
 -CONFIG_S2IO=m
 -CONFIG_MYRI10GE=m
 -CONFIG_NETXEN_NIC=m
 -CONFIG_QLGE=m
 -CONFIG_BE2NET=m

That is just one of our deconfigs ... there are over 400 defconfigs in
the kernel and a lot of them will need to be updated.

Mikey asks:  Will Dave take these updates if we get Acks from the
maintainers?  :-)

-- 
Cheers,
Stephen Rothwell                    sfr@...b.auug.org.au

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