Package: dpkg Version: 1.10.21 Severity: normal Tags: sid (Apologies for line-wraps.)
When trying to upgrade xserver-xfree86 4.1.0-2 to 4.3.0.dfsg.1-1, it fails with the following message: Preconfiguring packages ... (Reading database ... 153429 files and directories currently installed.) Preparing to replace xserver-xfree86 4.1.0-2 (using .../xserver-xfree86_4.3.0.dfsg.1-1_i386.deb) ... dpkg: error processing /var/cache/apt/archives/xserver-xfree86_4.3.0.dfsg.1-1_i386.deb (--unpack): subprocess pre-installation script returned error exit status 10 Errors were encountered while processing: /var/cache/apt/archives/xserver-xfree86_4.3.0.dfsg.1-1_i386.deb E: Sub-process /usr/bin/dpkg returned an error code (1) This message being exceedingly unhelpful to try and work out what the problem is, I tried unpacking with -D3: > dpkg --unpack -D3 xserver-xfree86_4.3.0.dfsg.1-1_i386.deb (Reading database ... 153429 files and directories currently installed.) Preparing to replace xserver-xfree86 4.1.0-2 (using xserver-xfree86_4.3.0.dfsg.1-1_i386.deb) ... D000001: process_archive oldversionstatus=broken due to postinst failure D000002: fork/exec /var/lib/dpkg/info/xserver-xfree86.prerm (dpkg: error processing xserver-xfree86_4.3.0.dfsg.1-1_i386.deb (--unpack): dpkg: warning - old pre-removal script killed by signal (Segmentation fault) D000002: fork/exec /var/lib/dpkg/info/xserver-xfree86.postinst (dpkg: error while cleaning up: subprocess post-installation script killed by signal (Segmentation fault) Errors were encountered while processing: xserver-xfree86_4.3.0.dfsg.1-1_i386.deb The core-dump gives a rather alarming trace: Core was generated by `dpkg --unpack -D3 xserver-xfree86_4.3.0.dfsg.1-1_i386.deb'. Program terminated with signal 11, Segmentation fault. Reading symbols from /lib/libc.so.6...(no debugging symbols found)...done. Loaded symbols for /lib/libc.so.6 Reading symbols from /lib/ld-linux.so.2...(no debugging symbols found)...done. Loaded symbols for /lib/ld-linux.so.2 Reading symbols from /lib/libnss_compat.so.2...(no debugging symbols found)...done. Loaded symbols for /lib/libnss_compat.so.2 Reading symbols from /lib/libnsl.so.1...(no debugging symbols found)...done. Loaded symbols for /lib/libnsl.so.1 Reading symbols from /lib/libnss_nis.so.2...(no debugging symbols found)...done. Loaded symbols for /lib/libnss_nis.so.2 Reading symbols from /lib/libnss_files.so.2...(no debugging symbols found)...done. Loaded symbols for /lib/libnss_files.so.2 #0 0x4108ea8f in strlen () from /lib/libc.so.6 (gdb) bt #0 0x4108ea8f in strlen () from /lib/libc.so.6 #1 0x41062075 in vfprintf () from /lib/libc.so.6 #2 0x41063bae in vfprintf () from /lib/libc.so.6 #3 0x4105faf0 in vfprintf () from /lib/libc.so.6 #4 0x410685cf in fprintf () from /lib/libc.so.6 #5 0x0805868d in ?? () #6 0x41141e00 in _IO_2_1_stdout_ () from /lib/libc.so.6 #7 0x0806fbcb in _IO_stdin_used () #8 0x6c69662f in ?? () #9 0x0819ad40 in ?? () #10 0x00000004 in ?? () #11 0x080f2640 in stdin () #12 0xbffff8e8 in ?? () #13 0x08058a73 in ?? () #14 0x0819ad40 in ?? () #15 0x09d2b2bc in ?? () #16 0x4103cc6f in dcgettext () from /lib/libc.so.6 Previous frame inner to this frame (corrupt stack?) (gdb) status and available files from /var/lib/dpkg available shortly from http://www.black-sun.demon.co.uk/tmp/ - same directory also contains the xserver-xfree86.* files from .../info directory. -- System Information: Debian Release: testing/unstable APT prefers unstable APT policy: (600, 'unstable') Architecture: i386 (i686) Kernel: Linux 2.4.26 Locale: LANG=C, LC_CTYPE=C Versions of packages dpkg depends on: ii dselect 1.10.9 a user tool to manage Debian packa ii libc6 2.3.2.ds1-10 GNU C Library: Shared libraries an -- no debconf information
