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I've encountered this problem while investigating crash in amarok-kde4
beta1, but this affects every package in my Kubuntu Hardy distribution
(x86_64).
I suppose the contents of .gnu_debuglink section in all packages are invalid,
therefore gdb fails to load symbols even if appropriate -gdb packages are
installed (which makes them useless):
On my Kubuntu:
# objdump -s -j .gnu_debuglink /usr/lib/libQtGui.so.4.4.0
/usr/lib/libQtGui.so.4.4.0: file format elf64-x86-64
Contents of section .gnu_debuglink:
0000 6c696251 74477569 2e736f2e 342e342e libQtGui.so.4.4.
0010 30000000 000101b1 0.......
Note, that this is not libQtGui.so.4.4.0.debug shipped with libqt4-dbg
On Fedora 8:
# objdump -s -j .gnu_debuglink /usr/lib/libQtGui.so.4.3.3
/usr/lib/libQtGui.so.4.3.3: file format elf32-i386
Contents of section .gnu_debuglink:
0000 6c696251 74477569 2e736f2e 342e332e libQtGui.so.4.3.
0010 332e6465 62756700 0607bf23 3.debug....#
Note that this points to .debug file name which is installed with
appropriate debug package.
I can confirm this for libqt4* 4.4.0-1ubuntu5~hardy1 packages and seems
every other. Because of this bug I can't step into calls to libqt4
functions (But the main probelm is that I can't get useful backtraces to
file crash reports).
System information:
# lsb_release -rd
Description: Ubuntu 8.04.1
Release: 8.04
#uname -a
Linux gigawin2 2.6.24-20-generic #1 SMP Mon Jul 28 13:06:07 UTC 2008 x86_64
GNU/Linux
** Affects: qt4-x11 (Ubuntu)
Importance: Undecided
Status: Triaged
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Packages have invalid .gnu_debuglink
https://bugs.edge.launchpad.net/bugs/261380
You received this bug notification because you are a member of Kubuntu Bugs,
which is subscribed to qt4-x11 in ubuntu.
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