Win*_*nix 11 suspend kernel systemd-logind 16.04
从下面删除的答案（海报没有足够的声誉点发表评论），在Kernel.org Bugzilla中提交了错误报告：
Launchpad中提交了另一个错误报告：
问题仍然存在，无论我做了多少研究（主要是重复以前的研究），都没有更接近的解决方案。另一位用户今天报告了同样的问题：睡眠模式耗电非常快
简而言之，您可以看到我的journalctl -xe日志：
Oct 21 16:12:28 alien kernel: PM: Syncing filesystems ... done.
Oct 21 16:12:28 alien kernel: PM: Preparing system for sleep (mem)
Oct 21 16:12:29 alien whoopsie[1129]: [16:12:29] Cannot reach: https://daisy.ubuntu.com
Oct 21 16:12:29 alien whoopsie[1129]: [16:12:29] Cannot reach: https://daisy.ubuntu.com
Oct 21 16:12:29 alien nm-dispatcher[14659]: req:2 'down' [enp59s0]: start running ordered scripts...
Oct 21 16:13:14 alien kernel: Freezing user space processes ... (elapsed 0.002 seconds) done.
16:12:28系统开始暂停。16:13:14系统恢复但挂起通过冻结任务继续最初发布此问题时，我有一台从 14.04 升级到 16.04 的笔记本电脑。从那以后，我有了一台全新安装 16.04 的新笔记本电脑。问题仍然存在：
(... Feb 24/2018 laptop lid closed system suspends ...)
Feb 24 23:20:39 alien systemd[1]: Starting TLP suspend/resume...
Feb 24 23:20:39 alien systemd[1]: Started TLP suspend/resume.
Feb 24 23:20:39 alien systemd[1]: Reached target Sleep.
Feb 24 23:20:39 alien systemd[1]: Starting Suspend...
Feb 24 23:20:39 alien systemd-sleep[9105]: /lib/systemd/system-sleep/sound: Going to suspend...
Feb 24 23:20:39 alien systemd-sleep[9105]: /lib/systemd/system-sleep/display-auto-brightness: Going to suspend...
Feb 24 23:20:39 alien systemd-sleep[9105]: Failed to connect to non-global ctrl_ifname: (nil) error: No such file or directory
Feb 24 23:20:39 alien systemd-sleep[9106]: /lib/systemd/system-sleep/wpasupplicant failed with error code 255.
Feb 24 23:20:39 alien root: /lib/systemd/system-sleep/r8169-reset case=[ pre ]
Feb 24 23:20:40 alien systemd-sleep[9105]: Suspending system...
Feb 24 23:20:40 alien kernel: [32114.051624] PM: suspend entry (deep)
(... Feb 25/2018 laptop lid open system resumes and immediately sleeps ...)
Feb 25 07:40:14 alien kernel: [32114.051627] PM: Syncing filesystems ... done.
Feb 25 07:40:14 alien kernel: [32114.071584] Freezing user space processes ... (elapsed 0.001 seconds) done.
Feb 25 07:40:14 alien kernel: [32114.073493] OOM killer disabled.
Feb 25 07:40:14 alien kernel: [32114.073494] Freezing remaining freezable tasks ... (elapsed 0.001 seconds) done.
Feb 25 07:40:14 alien kernel: [32114.074945] Suspending console(s) (use no_console_suspend to debug)
Feb 25 07:40:14 alien kernel: [32114.075534] sd 2:0:0:0: [sdb] Synchronizing SCSI cache
Feb 25 07:40:14 alien kernel: [32114.076006] sd 1:0:0:0: [sda] Synchronizing SCSI cache
Feb 25 07:40:14 alien kernel: [32114.076471] sd 1:0:0:0: [sda] Stopping disk
Feb 25 07:40:14 alien kernel: [32116.375342] ACPI: Preparing to enter system sleep state S3
Feb 25 07:40:14 alien kernel: [32116.376678] ACPI: EC: event blocked
Feb 25 07:40:14 alien kernel: [32116.376679] ACPI: EC: EC stopped
Feb 25 07:40:14 alien kernel: [32116.376680] PM: Saving platform NVS memory
Feb 25 07:40:14 alien kernel: [32116.376821] Disabling non-boot CPUs ...
Feb 25 07:40:14 alien kernel: [32116.394624] smpboot: CPU 1 is now offline
Feb 25 07:40:14 alien kernel: [32116.413577] IRQ 137: no longer affine to CPU2
Feb 25 07:40:14 alien kernel: [32116.414597] smpboot: CPU 2 is now offline
Feb 25 07:40:14 alien kernel: [32116.437543] IRQ 127: no longer affine to CPU3
Feb 25 07:40:14 alien kernel: [32116.438566] smpboot: CPU 3 is now offline
Feb 25 07:40:14 alien kernel: [32116.461504] IRQ 122: no longer affine to CPU4
Feb 25 07:40:14 alien kernel: [32116.461511] IRQ 124: no longer affine to CPU4
Feb 25 07:40:14 alien kernel: [32116.463298] smpboot: CPU 4 is now offline
Feb 25 07:40:14 alien kernel: [32116.486420] smpboot: CPU 5 is now offline
Feb 25 07:40:14 alien kernel: [32116.509384] IRQ 123: no longer affine to CPU6
Feb 25 07:40:14 alien kernel: [32116.510409] smpboot: CPU 6 is now offline
Feb 25 07:40:14 alien kernel: [32116.533331] IRQ 1: no longer affine to CPU7
Feb 25 07:40:14 alien kernel: [32116.533337] IRQ 8: no longer affine to CPU7
Feb 25 07:40:14 alien kernel: [32116.533341] IRQ 9: no longer affine to CPU7
Feb 25 07:40:14 alien kernel: [32116.533345] IRQ 12: no longer affine to CPU7
Feb 25 07:40:14 alien kernel: [32116.534378] smpboot: CPU 7 is now offline
(... Feb 25/2018 suspend started last night now complete, system resumes ...)
Feb 25 07:40:14 alien kernel: [32116.537314] ACPI: Low-level resume complete
Feb 25 07:40:14 alien kernel: [32116.537405] ACPI: EC: EC started
Feb 25 07:40:14 alien kernel: [32116.537406] PM: Restoring platform NVS memory
Feb 25 07:40:14 alien kernel: [32116.538161] Enabling non-boot CPUs ...
Feb 25 07:40:14 alien kernel: [32116.538217] x86: Booting SMP configuration:
Feb 25 07:40:14 alien kernel: [32116.538218] smpboot: Booting Node 0 Processor 1 APIC 0x2
Feb 25 07:40:14 alien kernel: [32116.539597] cache: parent cpu1 should not be sleeping
Feb 25 07:40:14 alien kernel: [32116.539750] CPU1 is up
Feb 25 07:40:14 alien kernel: [32116.539773] smpboot: Booting Node 0 Processor 2 APIC 0x4
Feb 25 07:40:14 alien kernel: [32116.541154] cache: parent cpu2 should not be sleeping
Feb 25 07:40:14 alien kernel: [32116.541312] CPU2 is up
(... SNIP ....)
Feb 25 07:40:15 alien systemd[1]: Started Daily apt upgrade and clean activities.
Feb 25 07:40:16 alien systemd[1]: Started Suspend.
Feb 25 07:40:16 alien systemd[1]: sleep.target: Unit not needed anymore. Stopping.
Feb 25 07:40:16 alien systemd[1]: Stopped target Sleep.
Feb 25 07:40:16 alien systemd[1]: tlp-sleep.service: Unit not needed anymore. Stopping.
Feb 25 07:40:16 alien systemd[1]: Stopping TLP suspend/resume...
Feb 25 07:40:16 alien systemd[1]: Reached target Suspend.
Feb 25 07:40:16 alien systemd[1]: suspend.target: Unit is bound to inactive unit systemd-suspend.service. Stopping, too.
Feb 25 07:40:16 alien systemd[1]: Stopped target Suspend.
Feb 25 07:40:16 alien systemd[1]: Started Run anacron jobs at resume.
Feb 25 07:40:16 alien NetworkManager[904]: <info> [1519569616.5268] manager: wake requested (sleeping: yes enabled: yes)
Feb 25 07:40:16 alien NetworkManager[904]: <info> [1519569616.5268] manager: waking up...
Feb 25 07:40:16 alien NetworkManager[904]: <info> [1519569616.5269] device (enp59s0): state change: unmanaged -> unavailable (reason 'managed') [10 20 2]
Feb 25 07:40:16 alien NetworkManager[904]: <info> [1519569616.5283] device (wlp60s0): state change: unmanaged -> unavailable (reason 'managed') [10 20 2]
Feb 25 07:40:16 alien kernel: [32122.065301] IPv6: ADDRCONF(NETDEV_UP): enp59s0: link is not ready
Feb 25 07:40:16 alien kernel: [32122.065783] IPv6: ADDRCONF(NETDEV_UP): enp59s0: link is not ready
Feb 25 07:40:16 alien kernel: [32122.066900] alx 0000:3b:00.0 enp59s0: NIC Up: 1 Gbps Full
Feb 25 07:40:16 alien kernel: [32122.067126] IPv6: ADDRCONF(NETDEV_CHANGE): enp59s0: link becomes ready
Feb 25 07:40:16 alien kernel: [32122.067303] IPv6: ADDRCONF(NETDEV_UP): wlp60s0: link is not ready
Feb 25 07:40:16 alien systemd[1]: Started Run anacron jobs.
Feb 25 07:40:16 alien anacron[9772]: Anacron 2.3 started on 2018-02-25
Feb 25 07:40:16 alien anacron[9772]: Will run job `cron.daily' in 5 min.
Feb 25 07:40:16 alien anacron[9772]: Will run job `cron.weekly' in 10 min.
请注意系统如何在 2 月 24 日晚上 11:30 暂停，然后在 2 月 25 日上午 7:40 恢复。恢复后，系统立即进入“睡眠”状态，然后“醒来”。
注意：在 Ubuntu 16.04 电源设置中，电池和插入电源的盖子关闭都设置为“暂停”。
在/etc/systemd/logind.conf“忽略”的默认值内更改为HandleLidSwitch=suspend和HandleLidSwitchDocked=suspend。原因是 HDMI 外接电视已连接，如果这些选项（或 Ubuntu 电源设置）中的任何一个设置为“忽略”或“什么都不做”，系统会在盖子关闭但电视变为空白时继续运行。在 Ubuntu 14.04（没有 systemd）下，当盖子合上时挂起按预期工作。
对 acpi-events、pm-utils、gnome-??? 进行了大量的历史修改。可能是 dbus-???。还尝试了各种冻结和内存挂起方法。
老实说，我不记得尝试过的所有不同的事情，但似乎我已经在阳光下寻找过一切。
在/var/log/syslog凌晨 5 点 05 分，系统被挂起（被 systemd 挂起？）。下午 4 点 46 分（16 点 46 分）systemd 恢复，但内核让笔记本电脑进入睡眠状态并立即唤醒。有很多奇怪的消息，例如“父 CPU 不应处于睡眠状态”。
我担心的是，在这个问题最初于 2016 年 10 月发布后 6 个月，其他事情开始出现问题。例如，以太网在从挂起和 wifi 接管后唤醒时不会重新连接。我已将 r8169 驱动程序降级为 r8168 但这并没有帮助。我已经设置了网络重启，但这并没有帮助事情，确实有时 DNS 会丢失。
这是相关的/var/log/syslog：
Apr 11 05:05:47 dell NetworkManager[21298]: <info> [1491908747.8097] manager: sleep requested (sleeping: no enabled: yes)
Apr 11 05:05:47 dell NetworkManager[21298]: <info> [1491908747.8098] manager: sleeping...
Apr 11 05:05:47 dell NetworkManager[21298]: <info> [1491908747.8100] device (18:4F:32:8D:AA:98): state change: disconnected -> unmanaged (reason 'sleeping') [30 10 37]
Apr 11 05:05:47 dell NetworkManager[21298]: <info> [1491908747.8104] manager: NetworkManager state is now ASLEEP
Apr 11 05:05:47 dell NetworkManager[21298]: <info> [1491908747.8110] device (wlan0): state change: activated -> deactivating (reason 'sleeping') [100 110 37]
Apr 11 05:05:47 dell whoopsie[1081]: [05:05:47] offline
Apr 11 05:05:47 dell NetworkManager[21298]: <info> [1491908747.8159] device (eth0): state change: activated -> deactivating (reason 'sleeping') [100 110 37]
Apr 11 05:05:47 dell NetworkManager[21298]: <info> [1491908747.8236] device (wlan0): state change: deactivating -> disconnected (reason 'sleeping') [110 30 37]
Apr 11 05:05:47 dell avahi-daemon[1169]: Withdrawing address record for 2001:56a:f114:bf00:9466:976d:8bf9:9cc2 on wlan0.
Apr 11 05:05:47 dell avahi-daemon[1169]: Leaving mDNS multicast group on interface wlan0.IPv6 with address 2001:56a:f114:bf00:9466:976d:8bf9:9cc2.
Apr 11 05:05:47 dell avahi-daemon[1169]: Joining mDNS multicast group on interface wlan0.IPv6 with address fe80::6d92:f19f:f5c3:f173.
Apr 11 05:05:47 dell avahi-daemon[1169]: Registering new address record for fe80::6d92:f19f:f5c3:f173 on wlan0.*.
Apr 11 05:05:47 dell avahi-daemon[1169]: Withdrawing address record for fe80::6d92:f19f:f5c3:f173 on wlan0.
Apr 11 05:05:47 dell gnome-session[2394]: (deja-dup-monitor:11605): GLib-CRITICAL **: Source ID 957 was not found when attempting to remove it
Apr 11 05:05:47 dell NetworkManager[21298]: <info> [1491908747.8266] dhcp4 (wlan0): canceled DHCP transaction, DHCP client pid 21469
Apr 11 05:05:47 dell avahi-daemon[1169]: Leaving mDNS multicast group on interface wlan0.IPv6 with address fe80::6d92:f19f:f5c3:f173.
Apr 11 05:05:47 dell NetworkManager[21298]: <info> [1491908747.8267] dhcp4 (wlan0): state changed bound -> done
Apr 11 05:05:47 dell avahi-daemon[1169]: Interface wlan0.IPv6 no longer relevant for mDNS.
Apr 11 05:05:47 dell NetworkManager[21298]: <info> [1491908747.8273] dhcp6 (wlan0): canceled DHCP transaction
Apr 11 05:05:47 dell kernel: [17371.316039] wlan0: deauthenticating from 70:f1:96:42:5f:02 by local choice (Reason: 3=DEAUTH_LEAVING)
Apr 11 05:05:47 dell wpa_supplicant[1631]: wlan0: CTRL-EVENT-DISCONNECTED bssid=70:f1:96:42:5f:02 reason=3 locally_generated=1
Apr 11 05:05:47 dell avahi-daemon[1169]: Withdrawing address record for 192.168.1.68 on wlan0.
Apr 11 05:05:47 dell avahi-daemon[1169]: Leaving mDNS multicast group on interface wlan0.IPv4 with address 192.168.1.68.
Apr 11 05:05:47 dell avahi-daemon[1169]: Interface wlan0.IPv4 no longer relevant for mDNS.
Apr 11 05:05:47 dell NetworkManager[21298]: <info> [1491908747.8572] dns-mgr: Writing DNS information to /sbin/resolvconf
Apr 11 05:05:47 dell dnsmasq[21738]: setting upstream servers from DBus
Apr 11 05:05:47 dell dnsmasq[21738]: using nameserver 2001:568:ff09:10c::53#53(via eth0)
Apr 11 05:05:47 dell dnsmasq[21738]: using nameserver 2001:568:ff09:10b::122#53(via eth0)
Apr 11 05:05:47 dell dnsmasq[21738]: using nameserver 2001:568:ff09:10c::53#53(via wlan0)
Apr 11 05:05:47 dell dnsmasq[21738]: using nameserver 2001:568:ff09:10b::122#53(via wlan0)
Apr 11 05:05:47 dell wpa_supplicant[1631]: wlan0: CTRL-EVENT-REGDOM-CHANGE init=CORE type=WORLD
Apr 11 05:05:47 dell kernel: [17371.351376] cfg80211: World regulatory domain updated:
Apr 11 05:05:47 dell kernel: [17371.351381] cfg80211: DFS Master region: unset
Apr 11 05:05:47 dell kernel: [17371.351383] cfg80211: (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp), (dfs_cac_time)
Apr 11 05:05:47 dell kernel: [17371.351388] cfg80211: (2402000 KHz - 2472000 KHz @ 40000 KHz), (N/A, 2000 mBm), (N/A)
Apr 11 05:05:47 dell kernel: [17371.351391] cfg80211: (2457000 KHz - 2482000 KHz @ 40000 KHz), (N/A, 2000 mBm), (N/A)
Apr 11 05:05:47 dell kernel: [17371.351394] cfg80211: (2474000 KHz - 2494000 KHz @ 20000 KHz), (N/A, 2000 mBm), (N/A)
Apr 11 05:05:47 dell kernel: [17371.351398] cfg80211: (5170000 KHz - 5250000 KHz @ 80000 KHz, 160000 KHz AUTO), (N/A, 2000 mBm), (N/A)
Apr 11 05:05:47 dell kernel: [17371.351402] cfg80211: (5250000 KHz - 5330000 KHz @ 80000 KHz, 160000 KHz AUTO), (N/A, 2000 mBm), (0 s)
Apr 11 05:05:47 dell kernel: [17371.351406] cfg80211: (5490000 KHz - 5730000 KHz @ 160000 KHz), (N/A, 2000 mBm), (0 s)
Apr 11 05:05:47 dell kernel: [17371.351409] cfg80211: (5735000 KHz - 5835000 KHz @ 80000 KHz), (N/A, 2000 mBm), (N/A)
Apr 11 05:05:47 dell kernel: [17371.351413] cfg80211: (57240000 KHz - 63720000 KHz @ 2160000 KHz), (N/A, 0 mBm), (N/A)
Apr 11 05:05:47 dell NetworkManager[21298]: <info> [1491908747.8990] dns-mgr: Writing DNS information to /sbin/resolvconf
Apr 11 05:05:47 dell dnsmasq[21738]: setting upstream servers from DBus
Apr 11 05:05:47 dell dnsmasq[21738]: using nameserver 2001:568:ff09:10c::53#53(via eth0)
Apr 11 05:05:47 dell dnsmasq[21738]: using nameserver 2001:568:ff09:10b::122#53(via eth0)
Apr 11 05:05:47 dell NetworkManager[21298]: <info> [1491908747.9082] device (eth0): state change: deactivating -> disconnected (reason 'sleeping') [110 30 37]
Apr 11 05:05:47 dell dbus[1234]: [system] Activating via systemd: service name='org.freedesktop.nm_dispatcher' unit='dbus-org.freedesktop.nm-dispatcher.service'
Apr 11 05:05:47 dell avahi-daemon[1169]: Withdrawing address record for 2001:56a:f114:bf00:1513:4a3e:2ff6:2764 on eth0.
Apr 11 05:05:47 dell avahi-daemon[1169]: Withdrawing address record for 2001:56a:f114:bf00:1baa:569:8a37:6121 on eth0.
Apr 11 05:05:47 dell NetworkManager[21298]: <info> [1491908747.9130] dns-mgr: Writing DNS information to /sbin/resolvconf
Apr 11 05:05:47 dell avahi-daemon[1169]: Registering new address record for 2001:56a:f114:bf00:9e2a:fb78:b1f:606 on eth0.*.
Apr 11 05:05:47 dell NetworkManager[21298]: <warn> [1491908747.9273] sup-iface[0x275ac00,wlan0]: connection disconnected (reason -3)
Apr 11 05:05:47 dell avahi-daemon[1169]: Registering new address record for fe80::44a5:819f:4f44:182d on eth0.*.
Apr 11 05:05:47 dell NetworkManager[21298]: <info> [1491908747.9274] device (wlan0): supplicant interface state: completed -> disconnected
Apr 11 05:05:47 dell avahi-daemon[1169]: Withdrawing address record for 2001:56a:f114:bf00:9e2a:fb78:b1f:606 on eth0.
Apr 11 05:05:47 dell systemd[1]: Starting Network Manager Script Dispatcher Service...
Apr 11 05:05:47 dell avahi-daemon[1169]: Leaving mDNS multicast group on interface eth0.IPv6 with address 2001:56a:f114:bf00:9e2a:fb78:b1f:606.
Apr 11 05:05:47 dell avahi-daemon[1169]: Joining mDNS multicast group on interface eth0.IPv6 with address fe80::44a5:819f:4f44:182d.
Apr 11 05:05:47 dell avahi-daemon[1169]: Withdrawing address record for fe80::44a5:819f:4f44:182d on eth0.
Apr 11 05:05:47 dell avahi-daemon[1169]: Leaving mDNS multicast group on interface eth0.IPv6 with address fe80::44a5:819f:4f44:182d.
Apr 11 05:05:47 dell avahi-daemon[1169]: Interface eth0.IPv6 no longer relevant for mDNS.
Apr 11 05:05:47 dell dnsmasq[21738]: setting upstream servers from DBus
Apr 11 05:05:47 dell dbus[1234]: [system] Successfully activated service 'org.freedesktop.nm_dispatcher'
Apr 11 05:05:47 dell nm-dispatcher: req:1 'down' [wlan0]: new request (2 scripts)
Apr 11 05:05:47 dell nm-dispatcher: req:1 'down' [wlan0]: start running ordered scripts...
Apr 11 05:05:47 dell systemd[1]: Started Network Manager Script Dispatcher Service.
Apr 11 05:05:47 dell nm-dispatcher: req:2 'down' [eth0]: new request (2 scripts)
Apr 11 05:05:47 dell NetworkManager[21298]: <info> [1491908747.9503] device (wlan0): state change: disconnected -> unmanaged (reason 'sleeping') [30 10 37]
Apr 11 05:05:48 dell rtkit-daemon[1815]: Supervising 1 threads of 1 processes of 1 users.
Apr 11 05:05:48 dell rtkit-daemon[1815]: Successfully made thread 6828 of process 2517 (n/a) owned by '1000' RT at priority 5.
Apr 11 05:05:48 dell rtkit-daemon[1815]: Supervising 2 threads of 1 processes of 1 users.
Apr 11 05:05:48 dell NetworkManager[21298]: <info> [1491908748.4032] device (eth0): state change: disconnected -> unmanaged (reason 'sleeping') [30 10 37]
Apr 11 05:05:48 dell wpa_supplicant[1631]: nl80211: deinit ifname=wlan0 disabled_11b_rates=0
Apr 11 05:05:48 dell NetworkManager[21298]: <info> [1491908748.4417] device (eth0): link disconnected
Apr 11 05:05:48 dell systemd[1]: Starting TLP suspend/resume...
Apr 11 05:05:48 dell nm-dispatcher: req:2 'down' [eth0]: start running ordered scripts...
Apr 11 05:05:48 dell systemd[1]: Started TLP suspend/resume.
Apr 11 05:05:48 dell systemd[1]: Reached target Sleep.
Apr 11 05:05:48 dell systemd[1]: Starting Suspend...
Apr 11 05:05:48 dell systemd-sleep[7020]: /lib/systemd/system-sleep/sound: Going to suspend...
Apr 11 05:05:48 dell systemd-sleep[7020]: Failed to connect to non-global ctrl_ifname: (nil) error: No such file or directory
Apr 11 05:05:48 dell systemd-sleep[7022]: /lib/systemd/system-sleep/wpasupplicant failed with error code 255.
Apr 11 05:05:49 dell systemd-sleep[7020]: Suspending system...
Apr 11 16:46:51 dell kernel: [17373.370197] PM: Syncing filesystems ... done.
Apr 11 16:46:51 dell kernel: [17373.391541] PM: Preparing system for sleep (mem)
Apr 11 16:46:51 dell kernel: [17373.391987] Freezing user space processes ... (elapsed 0.003 seconds) done.
Apr 11 16:46:51 dell kernel: [17373.395058] Freezing remaining freezable tasks ... (elapsed 0.001 seconds) done.
Apr 11 16:46:51 dell kernel: [17373.396500] PM: Suspending system (mem)
Apr 11 16:46:51 dell kernel: [17373.396521] Suspending console(s) (use no_console_suspend to debug)
Apr 11 16:46:51 dell kernel: [17373.398621] sd 2:0:0:0: [sdc] Synchronizing SCSI cache
Apr 11 16:46:51 dell kernel: [17373.398748] sd 1:0:0:0: [sdb] Synchronizing SCSI cache
Apr 11 16:46:51 dell kernel: [17373.398842] sd 0:0:0:0: [sda] Synchronizing SCSI cache
Apr 11 16:46:51 dell kernel: [17373.398999] sd 1:0:0:0: [sdb] Stopping disk
Apr 11 16:46:51 dell kernel: [17373.399653] sd 0:0:0:0: [sda] Stopping disk
Apr 11 16:46:51 dell kernel: [17373.400760] sd 2:0:0:0: [sdc] Stopping disk
Apr 11 16:46:51 dell kernel: [17373.782939] PM: suspend of devices complete after 386.188 msecs
Apr 11 16:46:51 dell kernel: [17373.798944] PM: late suspend of devices complete after 15.999 msecs
Apr 11 16:46:51 dell kernel: [17373.800622] ehci-pci 0000:00:1d.0: System wakeup enabled by ACPI
Apr 11 16:46:51 dell kernel: [17373.800930] ehci-pci 0000:00:1a.0: System wakeup enabled by ACPI
Apr 11 16:46:51 dell kernel: [17373.800980] xhci_hcd 0000:00:14.0: System wakeup enabled by ACPI
Apr 11 16:46:51 dell kernel: [17373.815056] PM: noirq suspend of devices complete after 16.108 msecs
Apr 11 16:46:51 dell kernel: [17373.815505] ACPI: Preparing to enter sys
在查看了我能找到的所有信息后，我得出的结论是您受到了这个内核错误的影响。已经影响了包括华硕、戴尔、惠普、联想等在内的众多系统。如果没有进一步的活动，这个漏洞将在 47 天后被标记为过期，非常热，在漏洞热度得分上得分为 412，并报告为影响 86此刻的人。我建议您订阅它并提供任何可以帮助澄清问题的内核相关信息，以便它保持开放状态并且开发人员可以压缩它。
一个可能的解决办法是升级/恢复的注意内核4.4.8这里并确认这里和这里。
已要求进行反向平分内核的工作，但该错误目前已过期，因此看起来开发人员没有获得确定此行为根本原因所需的所有帮助。从仔细阅读错误报告可以看出，这个问题出现在内核 4.4.0 中，在 4.4.8 中得到解决，然后在 4.5.2 左右的某个时候重新出现，但我不会声称是肯定的。
此处报告了另一种可能的内核升级解决方法，尽管我还没有找到确认。
如果您使用存储库中的内核，如果您ubuntu-bug linux要从终端启动以创建新的错误报告，提供有关您的内核/问题的特定信息，这可能会有所帮助。
您可能希望排除乱序执行也是罪魁祸首。您应该能够通过禁用除 CPU0 之外的所有内容来完成此操作，例如：
for x in /sys/devices/system/cpu/cpu*/online; do
echo 0 >"$x"
done
您可能还会发现此信息有助于追踪此问题的根本原因。
资料来源：
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1574125/
https://unix.stackexchange.com/questions/145645/disabling-cpu-cores-on-quad-core-processor-on-linux
这是 dmesg 中出现的具体问题：
PM: Preparing system for sleep (mem)
[...]
PM: Suspending system (mem)
最初尝试这样做：
sudo -H gedit /etc/default/grub
并设置行：
GRUB_CMDLINE_LINUX_DEFAULT="acpi_backlight=vendor"
该行中先前存在的其他参数可以保持不变，即仅在有时指示时添加该参数。
要使更改生效，请运行：
sudo update-grub
另外还有一个问题的报告apt-daily.service，就是更新服务在启动时运行，这使得它无限期地运行，无法完成。
尝试禁用该服务：
sudo apt-systemctl disable daily.service # disable run when system boot
另一种对我来说合理的解决方法：
sudo -H gedit /etc/systemd/system.conf
将以下行取消注释并设置为仍然允许加载系统的值：
# DefaultTimeoutStartSec = 90s
DefaultTimeoutStartSec = 10s
# DefaultTimeoutStopSec = 90s
DefaultTimeoutStopSec = 10s
如果调整不会产生负载故障，请记下 dmesg，并在适当的情况下调整该值。
| 归档时间： |
|
| 查看次数： |
4237 次 |
| 最近记录： |