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Bug#414839: marked as done (mkvmlinuz fails with undefined reference to zlib_inflate_blocks* against 2.6.18-4-powerpc)

Your message dated Sat, 11 Jul 2015 13:29:44 -0400
with message-id <55A15288.2020207@physics.harvard.edu>
and subject line Re: mkvmlinuz fails with undefined reference to zlib_inflate_blocks* against 2.6.18-4-powerpc
has caused the Debian Bug report #414839,
regarding mkvmlinuz fails with undefined reference to zlib_inflate_blocks* against 2.6.18-4-powerpc
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

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-- 
414839: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=414839
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message --- 
Subject: mkvmlinuz fails with undefined reference to zlib_inflate_blocks* against 2.6.18-4-powerpc
Package: mkvmlinuz
Version: 32
Severity: normal

i'm not using mkvmlinuz as my sole bootloader: i am considering it as
an alternate.  However, running it by hand with a stock kernel and an
initrd fails with linker errors:

0 clam:/home/debirf# mkvmlinuz -o /foo.mkvmlinuz -k /boot/vmlinux-2.6.18-4-powerpc -i /boot/initrd.img-2.6.18-4-powerpc -v -d /usr/lib/mkvmlinuz 2>&1
=== Building for sub-architecture pmac.
=== Using kernel image file /boot/vmlinux-2.6.18-4-powerpc.
=== Using initrd image file /boot/initrd.img-2.6.18-4-powerpc.
=== Release version seems to be 2.6.18-4-powerpc.
=== Using object files from /usr/lib/mkvmlinuz.
=== Building a bootable compressed kernel image in /foo.mkvmlinuz.
=== Doing build in /tmp/tmp.AJsdy17607.
=== Creating compressed initrd image initrd.gz...
cp -p /boot/initrd.img-2.6.18-4-powerpc /tmp/tmp.AJsdy17607/initrd.gz
=== Creating compressed kernel image vmlinux.gz...
strip -s -R .comment /boot/vmlinux-2.6.18-4-powerpc -o /tmp/tmp.AJsdy17607/vmlinux
gzip --force --best /tmp/tmp.AJsdy17607/vmlinux
=== Putting everything into ELF image file image.o...
objcopy /usr/lib/mkvmlinuz/mkvmlinuz-kernel-vmlinux.strip.o /tmp/tmp.AJsdy17607/dummy_kernel.o --add-section=.kernel:vmlinux.strip=/tmp/tmp.AJsdy17607/vmlinux.gz --set-section-flags=.kernel:vmlinux.strip=contents,alloc,load,readonly,data
objcopy /usr/lib/mkvmlinuz/mkvmlinuz-kernel-initrd.o /tmp/tmp.AJsdy17607/dummy_initrd.o --add-section=.kernel:initrd=/tmp/tmp.AJsdy17607/initrd.gz --set-section-flags=.kernel:initrd=contents,alloc,load,readonly,data
=== Creating bootable kernel image file vmlinuz.pmac...
ld -m elf32ppc -T /usr/lib/mkvmlinuz/zImage.lds -o /tmp/tmp.AJsdy17607/vmlinuz.pmac /usr/lib/mkvmlinuz/crt0.o /usr/lib/mkvmlinuz/string.o /usr/lib/mkvmlinuz/prom.o /usr/lib/mkvmlinuz/stdio.o /usr/lib/mkvmlinuz/main.o /usr/lib/mkvmlinuz/div64.o /usr/lib/mkvmlinuz/inffast.o /usr/lib/mkvmlinuz/inflate.o /usr/lib/mkvmlinuz/inftrees.o /tmp/tmp.AJsdy17607/dummy_kernel.o /tmp/tmp.AJsdy17607/dummy_initrd.o
/usr/lib/mkvmlinuz/inffast.o:(.got2+0x0): undefined reference to `zlib_inflate_mask'
/usr/lib/mkvmlinuz/inflate.o: In function `zlib_inflate':
/home/sven/debian/kernel/trunk/utils/mkvmlinuz/32/mkvmlinuz-32/boot/inflate.c:188: undefined reference to `zlib_inflate_blocks'
/home/sven/debian/kernel/trunk/utils/mkvmlinuz/32/mkvmlinuz-32/boot/inflate.c:202: undefined reference to `zlib_inflate_blocks_reset'
/usr/lib/mkvmlinuz/inflate.o: In function `zlib_inflateReset':
/home/sven/debian/kernel/trunk/utils/mkvmlinuz/32/mkvmlinuz-32/boot/inflate.c:25: undefined reference to `zlib_inflate_blocks_reset'
/usr/lib/mkvmlinuz/inflate.o: In function `zlib_inflateEnd':
/home/sven/debian/kernel/trunk/utils/mkvmlinuz/32/mkvmlinuz-32/boot/inflate.c:37: undefined reference to `zlib_inflate_blocks_free'
/usr/lib/mkvmlinuz/inflate.o: In function `zlib_inflateInit2_':
/home/sven/debian/kernel/trunk/utils/mkvmlinuz/32/mkvmlinuz-32/boot/inflate.c:76: undefined reference to `zlib_inflate_blocks_new'
/usr/lib/mkvmlinuz/addnote /tmp/tmp.AJsdy17607/vmlinuz.pmac
/tmp/tmp.AJsdy17607/vmlinuz.pmac: No such file or directory
=== Cleaning up...
0 clam:/home/debirf#

Interestingly, the return code is 0.  mkvmlinuz doesn't seem to
realize that the ld step has failed.

when i run the different steps by hand, ld definitely returns 1, but
the do_cmd step in mkvmlinuz doesn't check the return value.

I'm not sure what i'm supposed to do to get this to work.  the kernel
in question is a stock debian 2.6.18-4-powerpc:

[0 xx@clam tmp]$ grep CONFIG_ZLIB /boot/config-2.6.18-4-powerpc
CONFIG_ZLIB_INFLATE=y
CONFIG_ZLIB_DEFLATE=m
[0 xx@clam tmp]$

i'm happy to help debug more if i can.  Please let me know if i'm just
confused.

I've never used mkvmlinuz before, but i'm excited to get it working.
It looks like a very useful boot strategy.

        --dkg


-- System Information:
Debian Release: 4.0
  APT prefers testing
  APT policy: (500, 'testing')
Architecture: powerpc (ppc)
Shell:  /bin/sh linked to /bin/bash
Kernel: Linux 2.6.8-powerpc
Locale: LANG=en_US, LC_CTYPE=en_US (charmap=ISO-8859-1)

Versions of packages mkvmlinuz depends on:
ii  bash                          3.1dfsg-8  The GNU Bourne Again SHell
ii  binutils                      2.17-3     The GNU assembler, linker and bina
ii  debconf [debconf-2.0]         1.5.11     Debian configuration management sy

mkvmlinuz recommends no packages.

-- debconf information:
* mkvmlinuz/bootloaders: yaboot

--- End Message ---
--- Begin Message --- 
Mkvmlinuz successfully uses wrapper and current tools provided by kernel
at /usr/lib/linux-image-{version}/

Just pass this path with -d option to mkvmlinuz.

--- End Message ---
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