Public bug reported:
Binary package hint: pm-utils
1) ubuntu version
Description: Ubuntu 10.10
Release: 10.10
2) package version:
pm-utils:
Instalado: 1.4.1-3
Candidato: 1.4.1-3
Tabela de versão:
*** 1.4.1-3 0
500 http://br.archive.ubuntu.com/ubuntu/ maverick/main amd64 Packages
100 /var/lib/dpkg/status
3) If a script in /etc/pm/sleep.d returns a non-zero value upon requests
to suspend or hibernate, the suspend/hibernate process should be
aborted.
4) The system ignores the return value and supends/hibernates anyhow.
In order to reproduce the bug just drop the 00_avoid_suspend script in
/etc/pm/sleep.d, make it executable and try to sleep.
The system should refuse to sleep but, at least here, it doesn't.
The problems seems to be in the _run_hook() function defined in file
/usr/lib/pm-utils/pm-fuctions. This is the function that calls the
scripts in the /etc/pm/sleep.d directory. After calling the script,
_run_hook calls the function log twice before checking the script return
value. It seems that the return value is being set back to 0 in these
calls to log (but I am no bash expert).
To walk around I just added a line to store the script return value in a
temporary variable and used that variable after the log calls to check
the original result. Now it seems to work. My current _run_hook function
looks like this:
_run_hook() {
# $1 = hook to run
# rest of args passed to hook unchanged.
log "Running hook $*:"
hook_ok "$1" && "$@"
status=$?
log ""
log -n "$*: "
hook_exit_status $status && LAST_HOOK="${1##*/}" || inhibit
}
Since I am no bash expert, I can not assure that this is a proper
solution, but it works here.
** Affects: pm-utils (Ubuntu)
Importance: Undecided
Status: New
--
pm-utils does not follow requests to inhibit suspend/hibernate from scripts in
/etc/pm/sleep.d
https://bugs.launchpad.net/bugs/665651
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