linux-kernel - [2.6.23-mm1] CONFIG_LOCALVERSION handling broken

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Message-ID: <471142A8.40307@imap.cc>
Date:	Sun, 14 Oct 2007 00:11:52 +0200
From:	Tilman Schmidt <tilman@...p.cc>
To:	Andrew Morton <akpm@...ux-foundation.org>
CC:	linux-kernel@...r.kernel.org, sam@...nborg.org
Subject: [2.6.23-mm1] CONFIG_LOCALVERSION handling broken

Something seems to be amiss with CONFIG_LOCALVERSION handling.

I am routinely building with
CONFIG_LOCALVERSION="-testing"
CONFIG_LOCALVERSION_AUTO=y
My usual sequence of "make ; sudo make modules_install install"
has worked fine for all of 2.6.23{-rc?{,-mm?},}. For 2.6.23-mm1
it fails with:

ts@...on:~/kernel/linux-2.6.23-mm1-work> sudo make modules_install install
root's password:
  INSTALL arch/i386/crypto/aes-i586.ko
[...]
  INSTALL sound/usb/usx2y/snd-usb-usx2y.ko
if [ -r System.map -a -x /sbin/depmod ]; then /sbin/depmod -ae -F System.map  2.6.23-mm1; fi
sh /home/ts/kernel/linux-2.6.23-mm1-work/arch/i386/boot/install.sh 2.6.23-mm1 arch/i386/boot/bzImage System.map "/boot"
Root device:    /dev/system/root (mounted on / as ext3)
Module list:    processor thermal ahci pata_marvell aic7xxx fan jbd ext3 dm_mod edd dm-mod dm-snapshot (xennet xenblk dm-mod dm-snapshot)

Kernel image:   /boot/vmlinuz-2.6.23-mm1
Initrd image:   /boot/initrd-2.6.23-mm1
No modules found for kernel 2.6.23-mm1-testing
ts@...on:~/kernel/linux-2.6.23-mm1-work>

That is, both "make modules_install" and "make install" omit
the "-testing" suffix, "make modules_install" installing the
modules into /lib/modules/2.6.23-mm1 instead of
/lib/modules/2.6.23-mm1-testing, and "make install" passing
"2.6.23-mm1" without the "-testing" suffix to the install.sh
script, but mkinitrd suddenly rediscovers the real kernel
version string and consequently looks for modules in
/lib/modules/2.6.23-mm1-testing, so initrd creation fails.

Ideas?

-- 
Tilman Schmidt                          E-Mail: tilman@...p.cc
Bonn, Germany
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