Comment 41 for bug 222796

And here is the output from a verbose g-p-m:

TI:23:07:40 TH:0x86b2640 FI:gpm-button.c FN:gpm_button_filter_x_events,122
 - Key 160 mapped to HAL key lock
TI:23:07:40 TH:0x86b2640 FI:gpm-manager.c FN:button_pressed_cb,1020
 - Button press event type=lock
TI:23:07:40 TH:0x86b2640 FI:gpm-srv-screensaver.c FN:button_pressed_cb,167
 - Button press event type=lock
TI:23:07:40 TH:0x86b2640 FI:gpm-screensaver.c FN:gpm_screensaver_lock,250
 - doing gnome-screensaver lock
TI:23:07:41 TH:0x86b2640 FI:gpm-backlight.c FN:gpm_backlight_button_pressed_cb,536
 - Button press event type=lock
TI:23:07:41 TH:0x86b2640 FI:gpm-info.c FN:button_pressed_cb,679
 - Button press event type=lock
TI:23:07:41 TH:0x86b2640 FI:gpm-brightness-xrandr.c FN:gpm_brightness_xrandr_filter_xevents,552
 - Event0 0x8824e00
TI:23:07:41 TH:0x86b2640 FI:gpm-screensaver.c FN:gpm_screensaver_session_idle_changed,91
 - emitting session-idle-changed : (1)
TI:23:07:41 TH:0x86b2640 FI:gpm-idle.c FN:session_idle_changed_cb,310
 - Received GS session idle changed: 1
TI:23:07:41 TH:0x86b2640 FI:gpm-idle.c FN:gpm_idle_set_mode,98
 - Doing a state transition: 2
TI:23:07:41 TH:0x86b2640 FI:gpm-dpms.c FN:gpm_dpms_set_active,443
 - setting DPMS active: 1
TI:23:07:41 TH:0x86b2640 FI:gpm-dpms.c FN:x11_sync_server_dpms_settings,130
 - Syncing DPMS settings enabled=1 timeouts=0 0 1500
TI:23:07:41 TH:0x86b2640 FI:gpm-dpms.c FN:x11_sync_server_dpms_settings,187
 - set DPMS timeouts: 0 0 1500.
TI:23:07:41 TH:0x86b2640 FI:gpm-backlight.c FN:gpm_backlight_notify_system_idle_changed,587
 - state not changed
TI:23:07:41 TH:0x86b2640 FI:gpm-backlight.c FN:gpm_backlight_brightness_evaluate_and_set,379
 - 1. main brightness 0,710000
TI:23:07:41 TH:0x86b2640 FI:gpm-backlight.c FN:gpm_backlight_brightness_evaluate_and_set,397
 - 2. battery scale 1,000000, brightness 0,710000
TI:23:07:41 TH:0x86b2640 FI:gpm-backlight.c FN:gpm_backlight_brightness_evaluate_and_set,416
 - 3. idle scale 1,000000, brightness 0,710000
TI:23:07:41 TH:0x86b2640 FI:gpm-backlight.c FN:gpm_backlight_brightness_evaluate_and_set,436
 - 4. ambient scale 1,000000, brightness 0,710000
TI:23:07:41 TH:0x86b2640 FI:gpm-brightness.c FN:gpm_brightness_trust_cache,102
 - using cache for value 71 (probably okay)
TI:23:07:41 TH:0x86b2640 FI:gpm-backlight.c FN:gpm_backlight_brightness_evaluate_and_set,444
 - values are the same, no action
TI:23:07:41 TH:0x86b2640 FI:gpm-backlight.c FN:gpm_backlight_sync_policy,160
 - choosing sensible default
TI:23:07:41 TH:0x86b2640 FI:gpm-backlight.c FN:gpm_backlight_sync_policy,162
 - laptop, so use GPM_DPMS_METHOD_OFF
TI:23:07:41 TH:0x86b2640 FI:gpm-backlight.c FN:gpm_backlight_sync_policy,194
 - BACKLIGHT parameters 0 0 1500, method '4'
TI:23:07:41 TH:0x86b2640 FI:gpm-dpms.c FN:x11_sync_server_dpms_settings,130
 - Syncing DPMS settings enabled=1 timeouts=0 0 1500
TI:23:07:41 TH:0x86b2640 FI:gpm-manager.c FN:idle_changed_cb,903
 - Idle state changed: SESSION
TI:23:07:41 TH:0x86b2640 FI:gpm-info.c FN:gpm_info_event_log,579