问ubuntu上的崩溃转储: vmlinuz或崩溃文件，而不是支持的文件格式

EN

$ sudo dd if=vmlinuz-3.2.0-23-generic-pae skip=`grep -a -b -o -m 1 -P '\x1f\x8b\x08\x00' vmlinuz-3.2.0-23-generic-pae| cut -d: -f 1` bs=1 | zcat > /tmp/vmlinux
    4998324+0 records in
    4998324+0 records out
    4998324 bytes (5.0 MB) copied, 201.859 s, 24.8 kB/s

    gzip: stdin: decompression OK, trailing garbage ignored

@ubuntu:/tmp$ sudo apport-unpack 
Usage: /usr/bin/apport-unpack <report> <target directory>

@ubuntu:/tmp$ sudo apport-unpack /var/crash/_usr_sbin_ietd.0.crash /var/crash/
ERROR: Destination directory exists and is not empty.
@ubuntu:/tmp$ 

@ubuntu:/tmp$ sudo mkdir coretest

@ubuntu:/tmp$ sudo apport-unpack /var/crash/_usr_sbin_ietd.0.crash /tmp/coretest/
@ubuntu:/tmp$ cd coretest/
@ubuntu:/tmp/coretest$ 

@ubuntu:/tmp/coretest$ ls
Architecture  Date           ExecutablePath       ProblemType  ProcCwd      ProcMaps    Signal  UserGroups
CoreDump      DistroRelease  ExecutableTimestamp  ProcCmdline  ProcEnviron  ProcStatus  Uname

@ubuntu:/tmp/coretest$ ls -lt
total 384
-rw-r--r-- 1 root root      4 May 29 00:13 Architecture
-rw-r--r-- 1 root root     24 May 29 00:13 Date
-rw-r--r-- 1 root root     12 May 29 00:13 DistroRelease
-rw-r--r-- 1 root root     10 May 29 00:13 ExecutableTimestamp
-rw-r--r-- 1 root root 339968 May 29 00:13 CoreDump
-rw-r--r-- 1 root root      5 May 29 00:13 ProblemType
-rw-r--r-- 1 root root     66 May 29 00:13 ProcEnviron
-rw-r--r-- 1 root root    969 May 29 00:13 ProcMaps
-rw-r--r-- 1 root root    737 May 29 00:13 ProcStatus
-rw-r--r-- 1 root root      2 May 29 00:13 Signal
-rw-r--r-- 1 root root     31 May 29 00:13 Uname
-rw-r--r-- 1 root root     14 May 29 00:13 ExecutablePath
-rw-r--r-- 1 root root     14 May 29 00:13 ProcCmdline
-rw-r--r-- 1 root root      1 May 29 00:13 ProcCwd
-rw-r--r-- 1 root root      0 May 29 00:13 UserGroups
@ubuntu:/tmp/coretest$ cd CoreDump
bash: cd: CoreDump: Not a directory
@ubuntu:/tmp/coretest$ sudo crash /tmp/vmlinux /boot/System.map-3.2.0-23-generic-pae /tmp/coretest/CoreDump 

crash 6.1.6
Copyright (C) 2002-2013  Red Hat, Inc.
Copyright (C) 2004, 2005, 2006, 2010  IBM Corporation
Copyright (C) 1999-2006  Hewlett-Packard Co
Copyright (C) 2005, 2006, 2011, 2012  Fujitsu Limited
Copyright (C) 2006, 2007  VA Linux Systems Japan K.K.
Copyright (C) 2005, 2011  NEC Corporation
Copyright (C) 1999, 2002, 2007  Silicon Graphics, Inc.
Copyright (C) 1999, 2000, 2001, 2002  Mission Critical Linux, Inc.
This program is free software, covered by the GNU General Public License,
and you are welcome to change it and/or distribute copies of it under
certain conditions.  Enter "help copying" to see the conditions.
This program has absolutely no warranty.  Enter "help warranty" for details.

GNU gdb (GDB) 7.3.1
Copyright (C) 2011 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "i686-pc-linux-gnu"...

crash: /tmp/vmlinux: no debugging data available

@ubuntu:/tmp/coretest$ 

sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys ECDCAD72428D7C01

sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv 7F0CEB10