Frequently, in the past few months, Suspend is failing.
Video goes off, but fan keeps running and system state LED stays solid
rather than blink (normal behavior in suspend).
I have to hold down the power button until the system turns off and
restart the system and restart all that I had running.
And at times Suspend works just fine. The latest failure was this
morning. Mostly when I get this, I can restart, then after all the apps
auto reopen, I can then suspend. But not this time. It failed again.
I had to cycle again, but this time I quit from Firefox, with all its
open tasks, and things worked.
Now here is what I got from the failure (from /var/log/messages)
Apr 18 09:48:49 lx140e NetworkManager[789]: <info> [1650289729.4955]
device (wlp1s0): set-hw-addr: reset MAC address to D0:DF:9A:4A:99:17
(unmanage)
Apr 18 09:48:49 lx140e chronyd[730]: Source 69.64.225.2 offline
Apr 18 09:48:49 lx140e chronyd[730]: Source 171.66.97.126 offline
Apr 18 09:48:49 lx140e chronyd[730]: Can't synchronise: no selectable
sources
Apr 18 09:48:49 lx140e chronyd[730]: Source 162.159.200.123 offline
Apr 18 09:48:49 lx140e chronyd[730]: Source 171.66.97.126 offline
Apr 18 09:48:49 lx140e chronyd[730]: Can't synchronise: no selectable
sources
Apr 18 09:48:49 lx140e chronyd[730]: Source 162.159.200.123 offline
Apr 18 09:48:49 lx140e wpa_supplicant[860]: wlp1s0:
CTRL-EVENT-DSCP-POLICY clear_all
Apr 18 09:48:49 lx140e systemd[1]: Reached target Sleep.
Apr 18 09:48:49 lx140e systemd[1]: Starting System Suspend...
Apr 18 09:48:49 lx140e wpa_supplicant[860]: wlp1s0:
CTRL-EVENT-DSCP-POLICY clear_all
Apr 18 09:48:49 lx140e wpa_supplicant[860]: nl80211: deinit
ifname=wlp1s0 disabled_11b_rates=0
Apr 18 09:48:49 lx140e systemd-sleep[68555]: Entering sleep state
'suspend'...
Apr 18 09:48:49 lx140e kernel: PM: suspend entry (deep)
The second attempt also had the same last message:
Apr 18 09:54:36 lx140e chronyd[728]: Source 50.205.57.38 offline
Apr 18 09:54:36 lx140e chronyd[728]: Can't synchronise: no selectable
sources
Apr 18 09:54:36 lx140e chronyd[728]: Source 50.205.57.38 offline
Apr 18 09:54:36 lx140e wpa_supplicant[872]: wlp1s0:
CTRL-EVENT-DSCP-POLICY clear_all
Apr 18 09:54:36 lx140e systemd[1]: Reached target Sleep.
Apr 18 09:54:36 lx140e wpa_supplicant[872]: wlp1s0:
CTRL-EVENT-DSCP-POLICY clear_all
Apr 18 09:54:36 lx140e wpa_supplicant[872]: nl80211: deinit
ifname=wlp1s0 disabled_11b_rates=0
Apr 18 09:54:36 lx140e systemd[1]: Starting System Suspend...
Apr 18 09:54:36 lx140e systemd-sleep[3733]: Entering sleep state
'suspend'...
Apr 18 09:54:36 lx140e kernel: PM: suspend entry (deep)
The successful suspend has:
Apr 18 10:16:17 lx140e chronyd[734]: Source 23.92.64.226 offline
Apr 18 10:16:17 lx140e chronyd[734]: Source 96.8.119.236 offline
Apr 18 10:16:17 lx140e chronyd[734]: Can't synchronise: no selectable
sources
Apr 18 10:16:17 lx140e chronyd[734]: Source 198.46.248.36 offline
Apr 18 10:16:18 lx140e wpa_supplicant[856]: wlp1s0:
CTRL-EVENT-DSCP-POLICY clear_all
Apr 18 10:16:18 lx140e systemd[1]: Reached target Sleep.
Apr 18 10:16:18 lx140e systemd[1]: Starting System Suspend...
Apr 18 10:16:18 lx140e wpa_supplicant[856]: wlp1s0:
CTRL-EVENT-DSCP-POLICY clear_all
Apr 18 10:16:18 lx140e wpa_supplicant[856]: nl80211: deinit
ifname=wlp1s0 disabled_11b_rates=0
Apr 18 10:16:18 lx140e systemd-sleep[52341]: Entering sleep state
'suspend'...
Apr 18 10:16:18 lx140e kernel: PM: suspend entry (deep)
Apr 18 10:16:18 lx140e kernel: Filesystems sync: 0.028 seconds
Seems that the filesystem will not sync and the suspend hangs. I have
no other information. But I am thinking, that MAYBE zram is involved
with Firefox eating up all memory and swap is going to zram and then the
failure?
Right now I am seeing:
[root@lx140e log]# free
total used free shared buff/cache
available
Mem: 15625528 3989228 9757812 29312 1878488 11271992
Swap: 25165816 0 25165816
[root@lx140e log]# zramctl
NAME ALGORITHM DISKSIZE DATA COMPR TOTAL STREAMS MOUNTPOINT
/dev/zram0 lzo-rle 8G 4K 80B 12K 4 [SWAP]
But then I just resumed my system and have not done much of anything
since that earlier boot. I will watch zram before suspending again, but
I would like any thoughts on why this is happening?
SIgh.
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