Public bug reported:
Binary package hint: awesome
1) The release of Ubuntu you are using, via 'lsb_release -rd' or System
-> About Ubuntu.
Description: Ubuntu 10.04.1 LTS
Release: 10.04
2) The version of the package you are using, via 'apt-cache policy
packagename' or by checking in Synaptic.
awesome:
Installed: 3.4.3-1
Candidate: 3.4.3-1
Version table:
*** 3.4.3-1 0
500 http://us.archive.ubuntu.com/ubuntu/ lucid/universe Packages
100 /var/lib/dpkg/status
3) What you expected to happen
a) Add an os.execute( ... ) statement to Awesome's rc.lua file
b) Restart Awesome
c) Command executes
4) What happened instead
If the $SHELL envvar is incorrect (for example, it is not the absolute
path to the shell or the file it references does not exist), any
os.execute() statements in the rc.lua file fail. This does not happen
when running Lua interactively. For example, suppose the $SHELL is set
to "zsh" rather than "/usr/bin/zsh". Any os.execute() statements in the
rc.lua file produce and error similar to this:
(process:29762): GLib-WARNING **: GError set over the top of a previous GError
or uninitialized memory.
This indicates a bug in someone's code. You must ensure an error is NULL before
it's set.
The overwriting error message was: Failed to execute child process "zsh" (No
such file or directory)
E: awesome: signal_fatal:260: dumping backtrace
awesome(backtrace_get+0x26) [0x43c6f6]
awesome() [0x40f6ac]
/lib/libpthread.so.0(+0xf8f0) [0x7f972f2eb8f0]
/lib/libc.so.6(cfree+0x1d) [0x7f972efd6dfd]
/lib/libglib-2.0.so.0(g_error_free+0x12) [0x7f973235d012]
awesome(spawn_system+0xba) [0x42811a]
awesome() [0x42729a]
/usr/lib/liblua5.1.so.0(+0xcbc1) [0x7f972f9c7bc1]
/usr/lib/liblua5.1.so.0(+0x17959) [0x7f972f9d2959]
/usr/lib/liblua5.1.so.0(+0xd08d) [0x7f972f9c808d]
/usr/lib/liblua5.1.so.0(+0xc737) [0x7f972f9c7737]
/usr/lib/liblua5.1.so.0(+0xc7b2) [0x7f972f9c77b2]
/usr/lib/liblua5.1.so.0(lua_pcall+0x51) [0x7f972f9c31a1]
awesome() [0x426320]
awesome(luaA_parserc+0x62) [0x4264b2]
awesome(main+0x897) [0x4105a7]
/lib/libc.so.6(__libc_start_main+0xfd) [0x7f972ef77c4d]
awesome() [0x40f439]
However, I can start Lua interactively and the os.execute() statements
will succeed:
~> lua
Lua 5.0.3 Copyright (C) 1994-2006 Tecgraf, PUC-Rio
> os.execute("echo $SHELL")
zsh
If Lua is able to handle this case interactively, it should also be able
to handle this case when running Awesome.
ProblemType: Bug
DistroRelease: Ubuntu 10.04
Package: awesome 3.4.3-1
Uname: Linux 2.6.34-020634-generic x86_64
NonfreeKernelModules: vboxnetadp vboxnetflt vboxdrv
Architecture: amd64
Date: Sun Aug 22 18:45:41 2010
ProcEnviron:
PATH=(custom, user)
LANG=en_US.UTF-8
SHELL=zsh
SourcePackage: awesome
** Affects: awesome (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug lucid
--
os.execute() commands in rc.lua fail if shell envvar is incorrect
https://bugs.launchpad.net/bugs/622515
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