Arch Linux

Los Frijoles

Member

Registered: 2012-06-23

Posts: 40

System loses ability to suspend after resume

After the last time I updated, I noticed some issues with suspend and resume on my laptop. Because of these problems, I haven't updated my desktop as of yet until I understand what is going on.

I frequently suspend and resume my laptop as I move from class to class during the day. In some places (such as the library), I have my computer plugged in. In others (such as during lecture), I use battery power. I noticed that if I suspend while on ac power and resume on battery (or vice versa), the system loses contact with dbus and can't suspend, poweroff, or reboot. If I try to suspend by closing the lid, it says "Operation already in progress". If I try to suspend, poweroff, or reboot using systemctl or the menu buttons, it says that it can't contact dbus. My only option is to hold down the power button until the computer turns off and reset the whole system. This is coming from a relatively stable system that, before this slew of updates, stay on for 15+ days without a restart if I didn't run updates or have any issues with hardware.

Another symptom that may be relevant is that when I resume during one of these hiccups, it kicks me from tty7 (gui) to tty1 when the computer wakes up and I have to switch back to tty7. I am using xfce + SLiM as my desktop environment.

My log says this during one of these suspend-resume hiccups:

...
Sep 26 00:15:17 kcuzner-netbook systemd[1]: Starting Sleep.
Sep 26 00:15:17 kcuzner-netbook systemd[1]: Reached target Sleep.
Sep 26 00:15:17 kcuzner-netbook systemd[1]: Starting Suspend...
Sep 26 00:15:17 kcuzner-netbook systemd-sleep[2424]: Suspending system...
Sep 26 08:02:31 kcuzner-netbook kernel: PM: Syncing filesystems ... done.
Sep 26 08:02:31 kcuzner-netbook kernel: PM: Preparing system for mem sleep
Sep 26 08:02:31 kcuzner-netbook kernel: Freezing user space processes ... (elapsed 0.232 secon...ne.
Sep 26 08:02:31 kcuzner-netbook kernel: Freezing remaining freezable tasks ... (elapsed 0.001 ...ne.
Sep 26 08:02:31 kcuzner-netbook kernel: PM: Entering mem sleep
Sep 26 08:02:31 kcuzner-netbook kernel: Suspending console(s) (use no_console_suspend to debug)
Sep 26 08:02:31 kcuzner-netbook kernel: wlan0: deauthenticating from ee:43:f6:36:9a:54 by loca...=3)
Sep 26 08:02:31 kcuzner-netbook systemd[1168]: Time has been changed
Sep 26 08:02:31 kcuzner-netbook systemd[1]: Caught <SEGV>, core dump failed.
Sep 26 08:02:31 kcuzner-netbook systemd[1]: Freezing execution.
Sep 26 08:02:31 kcuzner-netbook systemd-sleep[2424]: System resumed.
Sep 26 08:02:32 kcuzner-netbook systemd-cgroups-agent[2500]: Failed to get D-Bus connection: Fai...d
Sep 26 08:02:31 kcuzner-netbook dhcpcd[1362]: wlan0: carrier lost
...

Clearly the <segv> is the issue here, but I don't know how to access any data about that or diagnose it. Has anyone had a similar issue or know how I can go about solving this one?

Last edited by Los Frijoles (2013-09-26 14:27:30)

falconindy

Developer

From: New York, USA

Registered: 2009-10-22

Posts: 4,111

Website

Re: System loses ability to suspend after resume

https://bugs.archlinux.org/task/37027

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