Re: gdb: No symbol table info available

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On Sun, 10 Dec 2017 13:43:25 +0100, Richard Shaw wrote:
> I pretty much did the same thing with valgrind but the output of your
> script is much more concise and easier to read.

Fedora GDB should print the dnf debuginfo-install command.  When it does not?
It uses a similar script logic internally.

$ gdb ./core.24421 
...
Missing separate debuginfo for the main executable file
Try: dnf --enablerepo='*debug*' install /usr/lib/debug/.build-id/f9/9b1ecdd9f6408e76bfe14659e94efa1b79d949
Core was generated by `xclock'.

which installs xorg-x11-apps-debuginfo and then:

$ gdb ./core.24421 
...
Missing separate debuginfo for linux-vdso.so.1
Try: dnf --enablerepo='*debug*' install /usr/lib/debug/.build-id/4a/506b85d2f1ffcabd8ae0a5839480ea18930d6e
...
Missing separate debuginfos, use: dnf debuginfo-install libxkbfile-1.0.9-6.fc27.x86_64

for example (I have most of the debuginfos already installed, otherwise it
would say more of them).

Although now in F-27 after:
	https://fedoraproject.org/wiki/Changes/SubpackageAndSourceDebuginfo

the debuginfo-install command installs only *-debuginfo and not the
*-debugsource counterpart which is then missing for GDB.  That is now a DNF
bug I guess.


Jan
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