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- May 17 2017, 1:42 AM (315 w, 1 d)
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I have a netbook with 2 GB of RAM. It's enough for simple tasks, but when you run a game that is compatible with your processing power but it needs a little more RAM (something like 200 MB more and you don't have it), ZRAM helps. It keeps the game from reaching swap (confirmed by running swapon -s while it's running); consequently, it does not slow down. That is on a lighter DE. If I decide to run Unity, only ZRAM will make it usable. Doesn't make miracles, but gets close enough.
May 17 2017
I'm getting "the discard operation is not supported" when trying to run
sudo fstrim -v /
I read in many discussions that I need to enable discards in lvm.conf and crypttab file in order to make it run. My SSD supports it, I've been doing it for months; it's just not working now that I have LVM and full disk encryption. Perhaps you know the proper way of doing it?
Same problem here. Here's the output of running mate-power-manager on the terminal (with --verbose):
TI:22:57:10 TH:0x11be6a0 FI:egg-debug.c FN:egg_debug_init,306 - Verbose debugging 1 (on console 1)GPM_VERBOSE TI:22:57:10 TH:0x11be6a0 FI:gpm-main.c FN:main,206 - MATE Power Manager 1.18.0 TI:22:57:10 TH:0x11be6a0 FI:gpm-session.c FN:gpm_session_init,511 - idle: 0, idle_inhibited: 0, suspend_inhibited: 0 TI:22:57:10 TH:0x11be6a0 FI:gpm-session.c FN:gpm_session_register_client,367 - registered startup '(null)' to client id '/org/gnome/SessionManager/Client19' TI:22:57:10 TH:0x11be6a0 FI:gpm-manager.c FN:gpm_manager_systemd_inhibit,1743 - Inhibiting systemd sleep TI:22:57:10 TH:0x11be6a0 FI:gpm-manager.c FN:gpm_manager_systemd_inhibit,1774 - Inhibiting systemd sleep res = 0 TI:22:57:10 TH:0x11be6a0 FI:gpm-manager.c FN:gpm_manager_systemd_inhibit,1780 - System inhibitor fd is 13 TI:22:57:10 TH:0x11be6a0 FI:gpm-manager.c FN:gpm_manager_systemd_inhibit,1788 - Inhibiting systemd sleep - success TI:22:57:10 TH:0x11be6a0 FI:egg-console-kit.c FN:egg_console_kit_init,408 - Failed to get session for pid 1520: The name org.freedesktop.ConsoleKit was not provided by any .service files TI:22:57:10 TH:0x11be6a0 FI:gpm-button.c FN:gpm_button_grab_keystring,176 - Grabbed modmask=8000, keycode=124 TI:22:57:10 TH:0x11be6a0 FI:gpm-button.c FN:gpm_button_grab_keystring,176 - Grabbed modmask=8000, keycode=213 TI:22:57:10 TH:0x11be6a0 FI:gpm-button.c FN:gpm_button_grab_keystring,176 - Grabbed modmask=8000, keycode=150 TI:22:57:10 TH:0x11be6a0 FI:gpm-button.c FN:gpm_button_xevent_key,203 - could not map keysym 1008ffa8 to keycode TI:22:57:10 TH:0x11be6a0 FI:gpm-button.c FN:gpm_button_grab_keystring,176 - Grabbed modmask=8000, keycode=233 TI:22:57:10 TH:0x11be6a0 FI:gpm-button.c FN:gpm_button_grab_keystring,176 - Grabbed modmask=8000, keycode=232 TI:22:57:10 TH:0x11be6a0 FI:gpm-button.c FN:gpm_button_grab_keystring,176 - Grabbed modmask=8000, keycode=160 TI:22:57:10 TH:0x11be6a0 FI:gpm-button.c FN:gpm_button_grab_keystring,176 - Grabbed modmask=8000, keycode=244 TI:22:57:10 TH:0x11be6a0 FI:gpm-button.c FN:gpm_button_grab_keystring,176 - Grabbed modmask=8000, keycode=238 TI:22:57:10 TH:0x11be6a0 FI:gpm-button.c FN:gpm_button_grab_keystring,176 - Grabbed modmask=8000, keycode=237 TI:22:57:10 TH:0x11be6a0 FI:gpm-button.c FN:gpm_button_grab_keystring,176 - Grabbed modmask=8000, keycode=236 TI:22:57:10 TH:0x11be6a0 FI:gpm-brightness.c FN:gpm_brightness_setup_display,279 - No outputs have backlight property TI:22:57:10 TH:0x11be6a0 FI:gpm-brightness.c FN:gpm_brightness_init,946 - no XRANDR extension TI:22:57:10 TH:0x11be6a0 FI:gpm-brightness.c FN:gpm_brightness_update_cache,841 - screen 1 of 1 TI:22:57:10 TH:0x11be6a0 FI:gpm-brightness.c FN:gpm_brightness_update_cache,846 - watching ::monitors_changed on 0x1184020 TI:22:57:10 TH:0x11be6a0 FI:gpm-brightness.c FN:gpm_brightness_update_cache,861 - adding resource 0x12d1b30 TI:22:57:10 TH:0x11be6a0 FI:gpm-brightness.c FN:gpm_brightness_helper_get_value,138 - executing /usr/sbin/mate-power-backlight-helper --get-max-brightness retval: 0 TI:22:57:10 TH:0x11be6a0 FI:gpm-idle.c FN:gpm_idle_evaluate,186 - session_idle=0, idle_inhibited=0, suspend_inhibited=0, x_idle=0 TI:22:57:10 TH:0x11be6a0 FI:gpm-idle.c FN:gpm_idle_evaluate,191 - X not idle TI:22:57:10 TH:0x11be6a0 FI:gpm-idle.c FN:gpm_idle_set_timeout_dim,299 - Current idle time=432ms, timeout was 10s, becomes 10s after adjustment TI:22:57:10 TH:0x11be6a0 FI:gpm-idle.c FN:gpm_idle_set_timeout_dim,302 - Setting dim idle timeout: 10s TI:22:57:10 TH:0x11be6a0 FI:gpm-dpms.c FN:gpm_dpms_clear_timeouts,265 - set timeouts to zero TI:22:57:10 TH:0x11be6a0 FI:gpm-backlight.c FN:gpm_backlight_brightness_evaluate_and_set,304 - 1. main brightness 1.000000 TI:22:57:10 TH:0x11be6a0 FI:gpm-backlight.c FN:gpm_backlight_brightness_evaluate_and_set,313 - Setting initial brightness level TI:22:57:10 TH:0x11be6a0 FI:gpm-backlight.c FN:gpm_backlight_brightness_evaluate_and_set,326 - 2. battery scale 1.000000, brightness 1.000000 TI:22:57:10 TH:0x11be6a0 FI:gpm-backlight.c FN:gpm_backlight_brightness_evaluate_and_set,345 - 3. idle scale 1.000000, brightness 1.000000 TI:22:57:10 TH:0x11be6a0 FI:gpm-brightness.c FN:gpm_brightness_helper_get_value,138 - executing /usr/sbin/mate-power-backlight-helper --get-brightness retval: 0 TI:22:57:10 TH:0x11be6a0 FI:gpm-backlight.c FN:gpm_backlight_brightness_evaluate_and_set,353 - values are the same, no action TI:22:57:10 TH:0x11be6a0 FI:gpm-idle.c FN:gpm_idle_set_timeout_dim,299 - Current idle time=467ms, timeout was 10s, becomes 10s after adjustment TI:22:57:10 TH:0x11be6a0 FI:gpm-idle.c FN:gpm_idle_set_timeout_dim,302 - Setting dim idle timeout: 10s TI:22:57:10 TH:0x11be6a0 FI:gpm-kbd-backlight.c FN:gpm_kbd_backlight_set,144 - Set brightness to 254 TI:22:57:10 TH:0x11be6a0 FI:gpm-idle.c FN:gpm_idle_set_check_cpu,121 - Setting the CPU load check to 0 TI:22:57:10 TH:0x11be6a0 FI:gpm-manager.c FN:gpm_manager_init,1892 - creating new control instance TI:22:57:10 TH:0x11be6a0 FI:gpm-manager.c FN:gpm_manager_init,1897 - creating new tray icon TI:22:57:10 TH:0x11be6a0 FI:gpm-engine.c FN:gpm_engine_init,1223 - Using per-time notification policy TI:22:57:10 TH:0x11be6a0 FI:gpm-idle.c FN:gpm_idle_set_timeout_blank,323 - Setting blank idle timeout: 600s TI:22:57:10 TH:0x11be6a0 FI:gpm-idle.c FN:gpm_idle_evaluate,186 - session_idle=0, idle_inhibited=0, suspend_inhibited=0, x_idle=0 TI:22:57:10 TH:0x11be6a0 FI:gpm-idle.c FN:gpm_idle_evaluate,191 - X not idle TI:22:57:10 TH:0x11be6a0 FI:gpm-idle.c FN:gpm_idle_set_timeout_sleep,340 - Setting sleep idle timeout: 0s TI:22:57:10 TH:0x11be6a0 FI:gpm-idle.c FN:gpm_idle_evaluate,186 - session_idle=0, idle_inhibited=0, suspend_inhibited=0, x_idle=0 TI:22:57:10 TH:0x11be6a0 FI:gpm-idle.c FN:gpm_idle_evaluate,191 - X not idle ** ERROR:gpm-kbd-backlight.c:329:gpm_kbd_backlight_on_dbus_signal: code should not be reached Aborted