Public bug reported:
Binary package hint: dpkg
dpkg fails for (some, not all) during an upgrade starting with package
version 1.15.3ubuntu1. I tried to debug the problem but the output is
very limited, even with a very thorough --debug when installing via
dpkg:
ke...@csc-kdrake-003:~$ sudo dpkg --debug=3773 -i
/var/cache/apt/archives/dpkg_1.15.3.1ubuntu1_i386.deb
[sudo] password for kenny:
D000010: ensure_pathname_nonexisting `/var/lib/dpkg/tmp.ci'
(Reading database ... 111892 files and directories currently installed.)
Preparing to replace dpkg 1.15.2ubuntu1 (using
.../dpkg_1.15.3.1ubuntu1_i386.deb) ...
D000200: process_archive conffile `/etc/dpkg/dpkg.cfg' in package dpkg - conff ?
D000020: process_archive conffile `/etc/dpkg/dpkg.cfg' package=dpkg same
hash=f4413ffb515f8f753624ae3bb365b81b
D000200: process_archive conffile `/etc/alternatives/README' in package dpkg -
conff ?
D000200: process_archive conffile `/etc/alternatives/README' in package dpkg -
conff ? not `/etc/dpkg/dpkg.cfg'
D000020: process_archive conffile `/etc/alternatives/README' package=dpkg same
hash=69c4ba7f08363e998e0f2e244a04f881
D000200: process_archive conffile `/etc/logrotate.d/dpkg' in package dpkg -
conff ?
D000200: process_archive conffile `/etc/logrotate.d/dpkg' in package dpkg -
conff ? not `/etc/dpkg/dpkg.cfg'
D000200: process_archive conffile `/etc/logrotate.d/dpkg' in package dpkg -
conff ? not `/etc/alternatives/README'
D000020: process_archive conffile `/etc/logrotate.d/dpkg' package=dpkg same
hash=9e25c8505966b5829785f34a548ae11f
D000200: oldconffsetflags `/etc/dpkg/dpkg.cfg' namenode 0x93fa3d0 flags 5
D000200: oldconffsetflags `/etc/alternatives/README' namenode 0x93fa428 flags 5
D000200: oldconffsetflags `/etc/logrotate.d/dpkg' namenode 0x93fa45c flags 5
D000001: process_archive oldversionstatus=installed
D000002: maintainer_script_alternative nonexistent prerm
`/var/lib/dpkg/info/dpkg.prerm'
D000002: fork/exec /var/lib/dpkg/tmp.ci/preinst ( upgrade 1.15.2ubuntu1 )
dpkg: error processing /var/cache/apt/archives/dpkg_1.15.3.1ubuntu1_i386.deb
(--install):
subprocess new pre-installation script returned error exit status 1
D000002: fork/exec /var/lib/dpkg/tmp.ci/postrm ( abort-upgrade 1.15.2ubuntu1 )
D000002: fork/exec /var/lib/dpkg/info/dpkg.postinst ( abort-upgrade
1.15.3.1ubuntu1 )
D000010: ensure_pathname_nonexisting `/var/lib/dpkg/tmp.ci'
D000010: ensure_pathname_nonexisting running rm -rf
D000010: ensure_pathname_nonexisting `/var/lib/dpkg/reassemble.deb'
Errors were encountered while processing:
/var/cache/apt/archives/dpkg_1.15.3.1ubuntu1_i386.deb
I believe the offending code was introduced in 1.15.3ubuntu1 in the preinst
script:
+kill_bad_alternatives () {
+ local IFS=""
+ ALTDIR="/var/lib/dpkg/alternatives"
+ for alt in $ALTDIR/*; do
+ if [ ! -e $alt ]; then
+ # In case it's been removed by the code below
+ continue
+ fi
+ {
+ read mode
+ read mainlink
+ while true; do
+ read slave
+ if [ "$slave" = "" ]; then
+ break
+ fi
+ if [ -e "$ALTDIR/$slave" ]; then
+ echo "Removing conflicting master alternative $slave (it
is slave of $(basename $alt))..."
+ rm -f "$ALTDIR/$slave"
+ fi
+ read slavelink
+ done
+ } <$alt
+ done
+}
....
+ # Cleanup bad alternatives that would choke with new
+ # update-alternatives (see #530633, #531611, #532739, #521760)
+ if dpkg --compare-versions "$2" lt 1.15.3; then
+ kill_bad_alternatives
+ fi
+
See http://ubuntuforums.org/showthread.php?t=1206792 for additional comments.
** Affects: dpkg (Ubuntu)
Importance: Undecided
Status: New
--
dpkg crashes during install in "upgrade" section of preinst script
https://bugs.launchpad.net/bugs/398592
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