summary of thread:
On Thu, Jan 31, 2002 at 10:09:13AM -0500, Rich Johnson wrote:
package: boot-floppies
version: 3.0.18
architecture: powerpc
model: Mac 8500 /132 (old world firmware)
memory: 32M
scsi: on-board
cd-rom:apple, scsi interface
Manually invoking root.bin's /usr/sbin/chroot /target cmd from the
installer's shell always segfaults.
Perhaps this explains the Failure trying to run : chroot /target dpkg
encountered while installing the base system.
Does it segv before or after it chroots? It may be that cmd that it is
trying to execute is segv'ing, and that would be an important bit of
information.
reply 1(rich):
I poked around a bit more. I've distilled some of the results below/
The machine state is the result of:
1) booted from floppies (mac_hfs_boot, root.bin)
2) downloaded kernel drivers from ftp.us.debian.org
3) downloaded base .debs from ftp.us.debian.org
4) extracted base .debs from ftp.us.debian.org
5) installation of base .debs failed with Failure trying to run : chroot
/target dpkg
command result
-+
/usr/sbin/chroot / sh works.
/usr/sbin/chroot /target sh
/usr/sbin/chroot /target /usr/bin/dpkg segfault
/target/usr/bin/dpkgprints a usage
message
/usr/sbin/chroot /target /bin/bash segfault
/target/bin/bash error loading
shared libraries ...libncurses.so.5
note: /target/lib/libncurses.so.5 exists
/lib/libncurses.so.5 does not
#...but, if /target/lib/libncurses.so.5 is coped to /lib:
/target/bin/bash segfault !!
Hmmm, It's just a guess, but perhaps the problem lies somewhere in the
truncated shared libraries? Maybe a version skew?
reply 2(ben):
Try copying /bin/sh to /target/bin/bf-sh and do:
/usr/sbin/chroot /target /target/bin/bf-sh
I don't think this is a truncated libc problem, because the libc in the
chroot is not truncated.
reply 3(rich):
cp /bin/sh /target/bin/bf-sh
/usr/sbin/chroot /target /bin/bf-sh # segfault
Maybe truncated wasn't the right word. But, I get these results from ls -l:
size date path
--+--+--
753604 Dec 20 /lib/libc2.2.4.so
753604 Dec 20 /lib/libc.so.6
1291932 Dec 5 /target/lib/libc2.2.4.so
1291932 Dec 5 /target/lib/libc2.2.4.so.dpkg-tmp
22 Jan 30 /target/lib/libc.so.6 -
/target/lib/libc2.2.4.so.dpkg-tmp
reply 4(ben):
I have a feeling that ppc ld.so or libc is broken. Could be wrong, but
try emailing the debian-ppc list to see what they say.
Yes, the libc on the boot disks is stripped down. But I assume the segv
is occuring in /target, not in chroot. Try doing this:
/target/usr/sbin/chroot /target /bin/sh
reply 5(rich)
/target/usr/sbin/chroot /target /bin/sh
Another segfault; alas.
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