由于一些问题这也会影响 Qubes 4.0，当从 dom0 重新启动或关闭计算机时，除非首先关闭所有正在运行的虚拟机，否则在操作完成之前会出现一些延迟（停顿）。
在从 xfce 的注销菜单进行重新启动/关闭之前，我必须手动运行脚本来关闭所有虚拟机，否则我可能会出现停顿可以持续至少 30 秒（如果我DefaultTimeoutStopSec从默认的90sto调低30s）。
这是该脚本及其运行的示例输出：
[ctor@dom0 ~]$ cat preshutdown
#!/bin/bash
xl list
time qvm-shutdown --verbose --all --wait; ec="$?"
echo "exitcode: '$ec'"
time while xl list|grep -q -F '(null)'; do xl list;sleep 1; done
exit $ec
$ ./preshutdown
Name ID Mem VCPUs State Time(s)
Domain-0 0 4080 6 r----- 108.6
sys-net 1 384 2 -b---- 7.0
sys-net-dm 2 144 1 -b---- 16.5
sys-firewall 3 2917 2 -b---- 9.7
gmail-basedon-w-s-f-fdr28 4 3247 2 -b---- 28.6
stackexchangelogins-w-s-f-fdr28 5 3241 2 -b---- 24.3
dev01-w-s-f-fdr28 7 8481 6 -b---- 32.6
2018-09-06 09:37:08,187 [MainProcess selector_events.__init__:65] asyncio: Using selector: EpollSelector
real 0m14.959s
user 0m0.065s
sys 0m0.017s
exitcode: '0'
Name ID Mem VCPUs State Time(s)
Domain-0 0 4095 6 r----- 123.0
(null) 1 0 1 --ps-d 7.8
(null) 3 0 0 --ps-d 11.0
Name ID Mem VCPUs State Time(s)
Domain-0 0 4095 6 r----- 123.1
(null) 1 0 1 --ps-d 7.8
(null) 3 0 0 --ps-d 11.0
Name ID Mem VCPUs State Time(s)
Domain-0 0 4095 6 r----- 123.4
(null) 1 0 1 --ps-d 7.8
(null) 3 0 0 --ps-d 11.0
Name ID Mem VCPUs State Time(s)
Domain-0 0 4095 6 r----- 123.7
(null) 1 0 1 --ps-d 7.8
Name ID Mem VCPUs State Time(s)
Domain-0 0 4095 6 r----- 123.8
(null) 1 0 1 --ps-d 7.8
Name ID Mem VCPUs State Time(s)
Domain-0 0 4095 6 r----- 123.9
(null) 1 0 1 --ps-d 7.8
Name ID Mem VCPUs State Time(s)
Domain-0 0 4095 6 r----- 124.0
(null) 1 0 1 --ps-d 7.8
real 0m7.093s
user 0m0.024s
sys 0m0.085s
然而，Dom0 停留在 Fedora 25（Fedora 28 仅适用于虚拟机），因此systemd无法轻松更新（或者我还不知道如何更新）- 它处于版本第231章虽然 240 是 github 上最新的 - 我不确定这是一个 systemd 问题还是只是我不知道如何正确修改qubes-core.service以确保它在 systemd 尝试关闭某些 DM 设备之前停止。
我确实尝试过使用这和这答案，但是结果没有改变。
systemd这是停止时的 示例输出：
[ 443.660340] systemd[1]: qubes-core.service: Installed new job qubes-core.service/stop as 797
[ 443.660426] systemd[1]: dev-block-253:0.device: Installed new job dev-block-253:0.device/stop as 867
[ 533.755109] systemd[1]: dev-block-253:0.device: Job dev-block-253:0.device/stop timed out.
[ 534.047847] systemd[1]: qubes-core.service: About to execute: /usr/bin/pkill qubes-guid
[ 534.048939] systemd[1]: Stopping Qubes Dom0 startup setup...
[ 542.648718] systemd[1]: Stopped Qubes Dom0 startup setup.
[ 547.940019] systemd[1]: dev-block-253:0.device: Failed to send unit remove signal for dev-block-253:0.device: Transport endpoint is not connected
与不停止时相比：
[ 67.643774] systemd[1]: dev-block-253:0.device: Installed new job dev-block-253:0.device/stop as 777
[ 67.643982] systemd[1]: qubes-core.service: Installed new job qubes-core.service/stop as 860
[ 68.032308] systemd[1]: qubes-core.service: About to execute: /usr/bin/pkill qubes-guid
[ 68.033396] systemd[1]: Stopping Qubes Dom0 startup setup...
[ 76.932065] systemd[1]: Stopped Qubes Dom0 startup setup.
[ 76.985423] systemd[1]: dev-block-253:0.device: Redirecting stop request from dev-block-253:0.device to sys-devices-virtual-block-dm\x2d0.device.
[ 82.205556] systemd[1]: dev-block-253:0.device: Failed to send unit remove signal for dev-block-253:0.device: Transport endpoint is not connected
奇怪的是，在我没有进行任何更改的情况下，发生了上述的无停顿和停顿systemd：前两次重新启动都是无停顿，第三次是停顿。 （完整详细信息请参见此处）
如何安全关闭每个正在运行的虚拟机重启/关机期间在 Qubes 操作系统 4.0 中？也就是说，在从 xfce 菜单进行重新启动/关闭之前，我不必手动运行脚本。
可能的想法：
如果当用户注销（session-2.scope？）时所有超时的设备都被停止，也就是说，它们是列出通过systemctl --user status *.device 什么方式他们可能会优先？所以他们总是会在停止之前停止，qubes-core.service因为后者是--system一个。你怎么认为？以下是运行时的情况systemctl --user（在虚拟机运行时登录）：https://gist.github.com/constantoverride/a7dbad2146645387209b25e4c07de8ad#gistcomment-2701867
编辑：我尝试过--user服务，但似乎一切都立即停止（即同时），所以我的脚本和上面的脚本同时超时。
编辑--system：我发现，要么我不知道如何做，要么，在 systemd 尝试停止某些服务之前，没有办法告诉 systemd 停止（并完成停止）我的服务.device，所以我的服务和那些服务.device同时失败并超时时间（90 秒后）。查看日志这里。
答案1
问题已解决qubes-gui-dom0-4.0.8-1.29.fc25经过这代码更改（这犯罪）。
因此红麻雀不再需要解决方法。
繁殖犯罪这里：
From 612cfe5925d32d8af0269163ee3ad627de4a8226 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marek=20Marczykowski-G=C3=B3recki?=
<[email protected]>
Date: Thu, 13 Sep 2018 12:22:19 +0200
Subject: [PATCH] xside: avoid making X11 calls in signal handler
This is very simlar fix to QubesOS/qubes-issues#1406
2148a00 "Do not make X11 requests in X11 error handler"
Since signals can be sent asynchronously at any time, it could also hit
processing another X11 message. For this reason, avoid making X11 calls
if exit() is called from signal handler.
Fixes QubesOS/qubes-issues#1581
---
gui-daemon/xside.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/gui-daemon/xside.c b/gui-daemon/xside.c
index cca28da..3e12012 100644
--- a/gui-daemon/xside.c
+++ b/gui-daemon/xside.c
@@ -2455,6 +2455,13 @@ static void handle_message(Ghandles * g)
/* signal handler - connected to SIGTERM */
static void dummy_signal_handler(int UNUSED(x))
{
+ /* The exit(0) below will call release_all_mapped_mfns (registerd with
+ * atexit(3)), which would try to release window images with XShmDetach. We
+ * can't send X11 requests if one is currently being handled. Since signals
+ * are asynchronous, we don't know that. Clean window images
+ * without calling to X11. And hope that X server will call XShmDetach
+ * internally when cleaning windows of disconnected client */
+ release_all_shm_no_x11_calls();
exit(0);
}
这样做的目的是允许qubes-guid安全终止（例如，在 SIGTERM 上），因此不需要 redsparrow 发出 SIGKILL。其余信息请参阅 redsparrow回答。
答案2
我认为您不应该使用 aAfter=dev-block-253:0.device因为这只能确保设备存在于/dev.尝试使用RequiresMountsFor=/my/mountpoint（参考）相反，这将确保文件系统在正确的时间实际安装（和卸载）
答案3
我找到了一个解决方法但根本问题仍然存在（*.device从 xfce 发出重新启动（或关闭）后，s 与其他所有内容同时停止；有一个日志这里包括我使用的服务文件，该文件显示两者在 90 秒后同时超时）。
解决方法是：在重新启动/关闭阶段早期使用另一个服务 ，redsparrow.service它将pkill -9 qubes-guid（这-9是必要的，只是pkill即 SIGTERM 不会这样做），该服务将与尝试停止*.devices（例如/dev/dm-0）但之前同时运行否则qubes-core.service将无法运行，如果那样的话pkill不会运行，直到这些设备停止后超时（默认情况下，90 秒后）。它qubes-core.service仍然是使用脚本关闭所有正在运行的虚拟机的那个preshutdown，但它不再需要担心qubes-guid.
这是 3 个文件：
$ ls -la ~/bin/preshutdown
-rwxrwxr-x 1 root root 517 Sep 11 11:21 /home/ctor/bin/preshutdown
$ ls -la /usr/lib/systemd/system/qubes-core.service
-rw-r--r-- 1 root root 4339 Sep 11 11:09 /usr/lib/systemd/system/qubes-core.service
$ ls -la /usr/lib/systemd/system/redsparrow.service
-rw-r--r-- 1 root root 4434 Sep 11 11:15 /usr/lib/systemd/system/redsparrow.service
preshutdown：
#!/bin/bash
tput -Txterm-256color setab 2;echo "Starting $0 `date` `cat /proc/uptime`";echo;tput -Txterm-256color sgr0;
xl list
time qvm-shutdown --verbose --all --wait; ec="$?"
echo "exitcode: '$ec'"
time while xl list|grep -q -F '(null)'; do xl list;sleep 1; done #this only happens if there are any qubes-guid pids active (eg. pkill -9 qubes-guid is required to never see any of these '(null)'s
tput -Txterm-256color setab 1;echo "Ending $0 on `date` `cat /proc/uptime`";echo;tput -Txterm-256color sgr0;
exit $ec
qubes-core.service：
[Unit]
Description=Qubes Dom0 startup setup
After=qubes-db-dom0.service libvirtd.service xenconsoled.service qubesd.service qubes-qmemman.service
Before=redsparrow.service
[Service]
Type=oneshot
StandardOutput=syslog
RemainAfterExit=yes
# Needed to avoid rebooting before all VMs have shut down.
TimeoutStopSec=180
ExecStart=/usr/lib/qubes/startup-misc.sh
ExecStop=/home/ctor/bin/preshutdown
# QubesDB daemons stop after 60s timeout in worst case; speed it up, since no
# VMs are running now
ExecStop=-/usr/bin/pkill qubesdb-daemon
#ExecStop=/usr/bin/true
[Install]
WantedBy=multi-user.target
Also=qubes-meminfo-writer-dom0.service qubes-qmemman.service
Alias=qubes_core.service
redsparrow.service：
[Unit]
Description=Red Sparrow
After=qubes-db-dom0.service libvirtd.service xenconsoled.service qubesd.service qubes-qmemman.service qubes-core.service
PartOf=graphical.target
BindsTo=graphical.target
#note: after modifying this file, I'm doing: systemctl daemon-reload
[Service]
Type=oneshot
RemainAfterExit=yes
ExecStart=/usr/bin/echo "Red Sparrow START"
ExecStop=-/usr/bin/echo "Red Sparrow stopping"
#ExecStop=-/usr/bin/ps axuw
#^ the same only 1 pid exists here: [ 435.084168] ps[4348]: ctor 3706 0.0 0.1 160852 5820 ? RLs 10:30 0:00 /usr/bin/qubes-guid -N sys-net -c 0xcc0000 -i /usr/share/icons/hicolor/128x128/devices/appvm-red.png -l 1 -q -d 1 -n
#ExecStop=-/usr/bin/sleep 2
#ExecStop=-/usr/bin/pkill qubes-guid
#ExecStop=-/usr/bin/sleep 2
#ExecStop=-/usr/bin/ps axuw
#^ the only thing that remains: [ 80.569153] ps[4096]: ctor 3798 4.5 0.1 160856 5864 ? RLs 10:28 0:02 /usr/bin/qubes-guid -N sys-net -c 0xcc0000 -i /usr/share/icons/hicolor/12
ExecStop=-/usr/bin/pkill -9 qubes-guid
#ExecStop=/home/ctor/bin/preshutdown
ExecStop=-/usr/bin/echo "Red Sparrow stopped"
[Install]
WantedBy=graphical.target
它们都已启用：
$ systemctl status qubes-core redsparrow
● qubes-core.service - Qubes Dom0 startup setup
Loaded: loaded (/usr/lib/systemd/system/qubes-core.service; enabled; vendor preset: enabled)
Active: active (exited) since Tue 2018-09-11 20:29:02 CEST; 33min ago
Process: 1957 ExecStart=/usr/lib/qubes/startup-misc.sh (code=exited, status=0/SUCCESS)
Main PID: 1957 (code=exited, status=0/SUCCESS)
Tasks: 0 (limit: 4915)
CGroup: /system.slice/qubes-core.service
● redsparrow.service - Red Sparrow
Loaded: loaded (/usr/lib/systemd/system/redsparrow.service; enabled; vendor preset: disabled)
Active: active (exited) since Tue 2018-09-11 20:29:02 CEST; 33min ago
Process: 2027 ExecStart=/usr/bin/echo Red Sparrow START (code=exited, status=0/SUCCESS)
Main PID: 2027 (code=exited, status=0/SUCCESS)
Tasks: 0 (limit: 4915)
CGroup: /system.slice/redsparrow.service
Sep 11 20:29:02 dom0 echo[2027]: Red Sparrow START
现在，在 xfceMenu->Logout->Restart（或 Shutdown）时，redsparrow 的 ExecStop 将pkill -9 qubes-guid允许qubes-core.service的 ExecStop 开始运行，好吧这里是日志：
[ 200.591802] systemd-logind[2023]: System is rebooting.
[ 200.595924] systemd[1]: Removed slice system-getty.slice.
[ 200.596665] systemd[1]: Stopping Session 2 of user ctor.
[ 200.596682] systemd[1]: Stopped target Sound Card.
[ 200.596813] systemd[1]: Stopping Authorization Manager...
[ 200.599840] qmemman.daemon.algo[2026]: balance_when_enough_memory(xen_free_memory=61089422, total_mem_pref=2053975142.4, total_available_memory=29606214252.600002)
[ 200.600535] qmemman.daemon.algo[2026]: left_memory=1809448348 acceptors_count=1
[ 200.600732] systemd[1]: Stopping Manage Sound Card State (restore and store)...
[ 200.601406] systemd[1]: Stopping RealtimeKit Scheduling Policy Service...
[ 200.607158] alsactl[2021]: alsactl daemon stopped
[ 200.615006] systemd[1]: Stopping User Manager for UID 1000...
[ 200.616624] systemd[1]: Stopping Restore /run/initramfs on shutdown...
[ 200.616918] systemd[1]: Stopping Accounts Service...
[ 200.620666] systemd[1]: Stopped target Graphical Interface.
[ 200.620734] systemd[1]: Stopped target Multi-User System.
[ 200.620764] systemd[1]: Stopped target Login Prompts.
[ 200.621105] systemd[1]: Stopped xen-init-dom0, initialise Dom0 configuration (xenstore nodes, JSON configuration stub).
[ 200.621156] systemd[1]: Stopped target Timers.
[ 200.621183] systemd[1]: Stopped Discard unused blocks once a week.
[ 200.621201] systemd[1]: Stopped Daily Cleanup of Temporary Directories.
[ 200.622702] systemd[1]: Stopping Red Sparrow...
[ 200.622928] systemd[1]: Stopping Light Display Manager...
[ 200.623165] systemd[1]: Stopping Command Scheduler...
[ 200.624182] systemd[1]: Stopping Daemon for power management...
[ 200.624282] systemd[1]: Stopping Serial Getty on hvc0...
[ 200.625237] echo[4138]: Red Sparrow stopping
[ 200.625703] crond[3466]: (CRON) INFO (Shutting down)
[ 200.627458] lightdm[3468]: Error opening audit socket: Protocol not supported
[ 200.636590] qubes.WindowIconUpdater-sys-net[3839]: Traceback (most recent call last):
[ 200.638285] qubes.WindowIconUpdater-sys-net[3839]: File "/usr/lib/python3.5/site-packages/xcffib/__init__.py", line 557, in wrapper
[ 200.638607] qubes.WindowIconUpdater-sys-net[3839]: return f(*args)
[ 200.638857] qubes.WindowIconUpdater-sys-net[3839]: File "/usr/lib/python3.5/site-packages/xcffib/__init__.py", line 596, in poll_for_event
[ 200.639190] qubes.WindowIconUpdater-sys-net[3839]: self.invalid()
[ 200.639438] qubes.WindowIconUpdater-sys-net[3839]: File "/usr/lib/python3.5/site-packages/xcffib/__init__.py", line 545, in invalid
[ 200.639689] qubes.WindowIconUpdater-sys-net[3839]: raise ConnectionException(err)
[ 200.639929] qubes.WindowIconUpdater-sys-net[3839]: xcffib.ConnectionException: xcb connection errors because of socket, pipe and other stream errors.
[ 200.640319] qubes.WindowIconUpdater-sys-net[3839]:
[ 200.640618] qubes.WindowIconUpdater-sys-net[3839]: During handling of the above exception, another exception occurred:
[ 200.640889] qubes.WindowIconUpdater-sys-net[3839]:
[ 200.641333] qubes.WindowIconUpdater-sys-net[3839]: Traceback (most recent call last):
[ 200.641586] qubes.WindowIconUpdater-sys-net[3839]: File "/usr/lib/qubes/icon-receiver", line 362, in <module>
[ 200.641837] qubes.WindowIconUpdater-sys-net[3839]: rcvd.handle_input()
[ 200.642168] qubes.WindowIconUpdater-sys-net[3839]: File "/usr/lib/qubes/icon-receiver", line 347, in handle_input
[ 200.642438] qubes.WindowIconUpdater-sys-net[3839]: self.handle_events()
[ 200.642694] qubes.WindowIconUpdater-sys-net[3839]: File "/usr/lib/qubes/icon-receiver", line 259, in handle_events
[ 200.643110] qubes.WindowIconUpdater-sys-net[3839]: for ev in iter(self.conn.poll_for_event, None):
[ 200.643359] qubes.WindowIconUpdater-sys-net[3839]: File "/usr/lib/python3.5/site-packages/xcffib/__init__.py", line 559, in wrapper
[ 200.643601] qubes.WindowIconUpdater-sys-net[3839]: self.invalid()
[ 200.643838] qubes.WindowIconUpdater-sys-net[3839]: File "/usr/lib/python3.5/site-packages/xcffib/__init__.py", line 545, in invalid
[ 200.644193] qubes.WindowIconUpdater-sys-net[3839]: raise ConnectionException(err)
[ 200.644434] qubes.WindowIconUpdater-sys-net[3839]: xcffib.ConnectionException: xcb connection errors because of socket, pipe and other stream errors.
[ 200.644677] qubes.WindowIconUpdater-sys-firewall[3864]: Traceback (most recent call last):
[ 200.644965] qubes.WindowIconUpdater-sys-firewall[3864]: File "/usr/lib/python3.5/site-packages/xcffib/__init__.py", line 557, in wrapper
[ 200.645342] qubes.WindowIconUpdater-sys-firewall[3864]: return f(*args)
[ 200.645600] qubes.WindowIconUpdater-sys-firewall[3864]: File "/usr/lib/python3.5/site-packages/xcffib/__init__.py", line 596, in poll_for_event
[ 200.645849] qubes.WindowIconUpdater-sys-firewall[3864]: self.invalid()
[ 200.646243] qubes.WindowIconUpdater-sys-firewall[3864]: File "/usr/lib/python3.5/site-packages/xcffib/__init__.py", line 545, in invalid
[ 200.646531] qubes.WindowIconUpdater-sys-firewall[3864]: raise ConnectionException(err)
[ 200.646797] qubes.WindowIconUpdater-sys-firewall[3864]: xcffib.ConnectionException: xcb connection errors because of socket, pipe and other stream errors.
[ 200.647162] qubes.WindowIconUpdater-sys-firewall[3864]:
[ 200.647424] qubes.WindowIconUpdater-sys-firewall[3864]: During handling of the above exception, another exception occurred:
[ 200.647674] qubes.WindowIconUpdater-sys-firewall[3864]:
[ 200.647916] qubes.WindowIconUpdater-sys-firewall[3864]: Traceback (most recent call last):
[ 200.648311] qubes.WindowIconUpdater-sys-firewall[3864]: File "/usr/lib/qubes/icon-receiver", line 362, in <module>
[ 200.648558] qubes.WindowIconUpdater-sys-firewall[3864]: rcvd.handle_input()
[ 200.648807] qubes.WindowIconUpdater-sys-firewall[3864]: File "/usr/lib/qubes/icon-receiver", line 347, in handle_input
[ 200.649139] qubes.WindowIconUpdater-sys-firewall[3864]: self.handle_events()
[ 200.649384] qubes.WindowIconUpdater-sys-firewall[3864]: File "/usr/lib/qubes/icon-receiver", line 259, in handle_events
[ 200.649629] qubes.WindowIconUpdater-sys-firewall[3864]: for ev in iter(self.conn.poll_for_event, None):
[ 200.649878] qubes.WindowIconUpdater-sys-firewall[3864]: File "/usr/lib/python3.5/site-packages/xcffib/__init__.py", line 559, in wrapper
[ 200.650235] qubes.WindowIconUpdater-sys-firewall[3864]: self.invalid()
[ 200.650479] qubes.WindowIconUpdater-sys-firewall[3864]: File "/usr/lib/python3.5/site-packages/xcffib/__init__.py", line 545, in invalid
[ 200.650727] qubes.WindowIconUpdater-sys-firewall[3864]: raise ConnectionException(err)
[ 200.651978] qubes.WindowIconUpdater-sys-firewall[3864]: xcffib.ConnectionException: xcb connection errors because of socket, pipe and other stream errors.
[ 200.652910] systemd[1]: Stopped Daemon for power management.
[ 200.653152] systemd[1]: Stopped Command Scheduler.
[ 200.653407] systemd[1]: Stopped Accounts Service.
[ 200.653646] systemd[1]: Stopped Authorization Manager.
[ 200.654222] systemd[1]: Stopped Serial Getty on hvc0.
[ 200.654727] systemd[1]: Stopped RealtimeKit Scheduling Policy Service.
[ 200.655287] systemd[1]: Stopped Manage Sound Card State (restore and store).
[ 200.663540] systemd[1]: Removed slice system-serial\x2dgetty.slice.
[ 200.672584] echo[4157]: Red Sparrow stopped
[ 200.674556] systemd[1]: Stopped Red Sparrow.
[ 200.699263] qmemman.daemon.algo[2026]: balance_when_enough_memory(xen_free_memory=61089422, total_mem_pref=1527043584.0, total_available_memory=30133145811.0)
[ 200.699587] qmemman.daemon.algo[2026]: left_memory=3881142054 acceptors_count=1
[ 200.799498] qmemman.daemon.algo[2026]: balance_when_enough_memory(xen_free_memory=61089422, total_mem_pref=1483161907.2, total_available_memory=30177027487.8)
[ 200.799822] qmemman.daemon.algo[2026]: left_memory=4120066821 acceptors_count=1
[ 200.826422] systemd[3567]: Received SIGRTMIN+24 from PID 4162 (kill).
[ 200.828412] systemd[1]: Stopped User Manager for UID 1000.
[ 200.865974] systemd[1]: Stopped Session 2 of user ctor.
[ 200.866413] systemd[1]: Removed slice User Slice of ctor.
[ 200.866537] systemd[1]: Stopping Login Service...
[ 200.899754] qmemman.daemon.algo[2026]: balance_when_enough_memory(xen_free_memory=61089422, total_mem_pref=1254328627.2, total_available_memory=30405860767.8)
[ 200.901140] systemd[1]: Stopped Light Display Manager.
[ 200.903464] qmemman.daemon.algo[2026]: left_memory=5636897981 acceptors_count=1
[ 200.904710] systemd[1]: Starting Show Plymouth Reboot Screen...
[ 200.907987] systemd[1]: Stopping Permit User Sessions...
[ 200.914738] systemd[1]: Stopped Permit User Sessions.
[ 200.918868] systemd[1]: Stopped Start Qubes VM sys-firewall.
[ 200.920535] systemd[1]: Stopped Start Qubes VM sys-net.
[ 200.922285] systemd[1]: Stopping Qubes memory information reporter...
[ 200.924197] systemd[1]: Removed slice system-qubes\x2dvm.slice.
[ 200.926371] systemd[1]: Stopped Qubes memory information reporter.
[ 200.928154] systemd[1]: Started Show Plymouth Reboot Screen.
[ 200.931635] systemd[1]: Stopping Qubes Dom0 startup setup...
[ 200.933900] systemd[1]: Stopped Login Service.
[ 200.936259] systemd[1]: Stopped target User and Group Name Lookups.
[ 200.939732] preshutdown[4180]: [42mStarting /home/ctor/bin/preshutdown Tue Sep 11 11:23:01 CEST 2018 200.93 1122.69
[ 200.947411] preshutdown[4180]: (B[mName ID Mem VCPUs State Time(s)
[ 200.949391] preshutdown[4180]: Domain-0 0 4091 6 r----- 87.1
[ 200.951247] preshutdown[4180]: sys-net 1 1584 2 -b---- 7.6
[ 200.953088] preshutdown[4180]: sys-net-dm 2 144 1 -b---- 28.0
[ 200.954922] preshutdown[4180]: sys-firewall 3 3983 2 -b---- 11.8
[ 201.016675] preshutdown[4180]: 2018-09-11 11:23:01,357 [MainProcess selector_events.__init__:65] asyncio: Using selector: EpollSelector
[ 201.028315] qubesd[2019]: socket.send() raised exception.
[ 201.030663] qubesd[2019]: socket.send() raised exception.
[ 201.032457] qubesd[2019]: socket.send() raised exception.
[ 201.034216] qubesd[2019]: socket.send() raised exception.
[ 201.035962] qubesd[2019]: socket.send() raised exception.
[ 201.064381] systemd[1]: Stopped Restore /run/initramfs on shutdown.
[ 201.225628] qubesd[2019]: socket.send() raised exception.
[ 201.227562] qubesd[2019]: socket.send() raised exception.
[ 201.229354] qubesd[2019]: socket.send() raised exception.
[ 201.231028] qubesd[2019]: socket.send() raised exception.
[ 201.232667] qubesd[2019]: socket.send() raised exception.
[ 201.234316] qubesd[2019]: socket.send() raised exception.
[ 201.235938] qubesd[2019]: socket.send() raised exception.
[ 201.237634] qubesd[2019]: socket.send() raised exception.
[ 201.239364] qubesd[2019]: socket.send() raised exception.
[ 201.241047] qubesd[2019]: socket.send() raised exception.
[ 201.242875] qubesd[2019]: socket.send() raised exception.
[ 201.244541] qubesd[2019]: socket.send() raised exception.
[ 201.246804] qubesd[2019]: socket.send() raised exception.
[ 201.248443] qubesd[2019]: socket.send() raised exception.
[ 201.250096] qubesd[2019]: socket.send() raised exception.
[ 201.251738] qubesd[2019]: socket.send() raised exception.
[ 201.253419] qubesd[2019]: socket.send() raised exception.
[ 201.255032] qubesd[2019]: socket.send() raised exception.
[ 201.256755] qubesd[2019]: socket.send() raised exception.
[ 201.258889] qmemman.daemon.algo[2026]: balance_when_enough_memory(xen_free_memory=61089422, total_mem_pref=1213940019.2, total_available_memory=30446249375.8)
[ 201.260626] qmemman.daemon.algo[2026]: left_memory=4911686116 acceptors_count=1
[ 201.731202] qubesd[2019]: socket.send() raised exception.
[ 201.740268] qubesd[2019]: socket.send() raised exception.
[ 201.745647] qubesd[2019]: socket.send() raised exception.
[ 201.747226] qubesd[2019]: socket.send() raised exception.
[ 201.748701] qubesd[2019]: socket.send() raised exception.
[ 201.750275] qubesd[2019]: socket.send() raised exception.
[ 201.751786] qubesd[2019]: socket.send() raised exception.
[ 201.753275] qubesd[2019]: socket.send() raised exception.
[ 201.754712] qubesd[2019]: socket.send() raised exception.
[ 201.756190] qubesd[2019]: socket.send() raised exception.
[ 201.757710] qubesd[2019]: socket.send() raised exception.
[ 201.759242] qubesd[2019]: socket.send() raised exception.
[ 201.760601] qubesd[2019]: socket.send() raised exception.
[ 201.762002] qubesd[2019]: socket.send() raised exception.
[ 201.763410] qubesd[2019]: socket.send() raised exception.
[ 201.764778] qubesd[2019]: socket.send() raised exception.
[ 201.766153] qubesd[2019]: socket.send() raised exception.
[ 201.767548] qubesd[2019]: socket.send() raised exception.
[ 201.768842] qubesd[2019]: socket.send() raised exception.
[ 202.692233] usb 1-13: USB disconnect, device number 3
[ 202.938070] usb 1-13: new low-speed USB device number 5 using xhci_hcd
[ 203.076940] usb 1-13: New USB device found, idVendor=1c4f, idProduct=0034, bcdDevice= 1.10
[ 203.083241] usb 1-13: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[ 203.089527] usb 1-13: Product: Usb Mouse
[ 203.095764] usb 1-13: Manufacturer: SIGMACHIP
[ 203.105476] input: SIGMACHIP Usb Mouse as /devices/pci0000:00/0000:00:14.0/usb1/1-13/1-13:1.0/0003:1C4F:0034.0006/input/input20
[ 203.106823] hid-generic 0003:1C4F:0034.0006: input,hidraw3: USB HID v1.10 Mouse [SIGMACHIP Usb Mouse] on usb-0000:00:14.0-13/input0
[ 205.915385] systemd[1]: Received SIGRTMIN+20 from PID 4172 (plymouthd).
[ 209.068302] qmemman.daemon.algo[2026]: balance_when_enough_memory(xen_free_memory=61089422, total_mem_pref=1213940019.2, total_available_memory=30446249375.8)
[ 209.070311] qmemman.daemon.algo[2026]: left_memory=4911686116 acceptors_count=1
[ 209.546380] qmemman.daemon.algo[2026]: balance_when_enough_memory(xen_free_memory=4252705625, total_mem_pref=864441446.4, total_available_memory=30793060151.6)
[ 209.546778] qmemman.systemstate[2026]: stat: dom '0' act=27404795973 pref=864441446.4 last_target=27404795973
[ 209.547128] qmemman.systemstate[2026]: stat: xenfree=4305134425 memset_reqs=[('0', 31625844096)]
[ 209.547400] qmemman.systemstate[2026]: mem-set domain 0 to 31625844096
[ 209.840745] dmeventd[920]: No longer monitoring thin pool qubes_dom0-pool00-tpool.
[ 209.934055] lvm[920]: Monitoring thin pool qubes_dom0-pool00-tpool.
[ 210.081859] dmeventd[920]: No longer monitoring thin pool qubes_dom0-pool00-tpool.
[ 210.210190] lvm[920]: Monitoring thin pool qubes_dom0-pool00-tpool.
[ 213.325837] pciback 0000:00:1f.6: disabling bus mastering
[ 213.349492] qmemman.daemon.algo[2026]: balance_when_enough_memory(xen_free_memory=37638021, total_mem_pref=864441446.4, total_available_memory=30799040670.6)
[ 213.455122] pciback 0000:00:1f.6: restoring config space at offset 0x10 (was 0x0, writing 0xdf200000)
[ 213.455289] pciback 0000:00:1f.6: restoring config space at offset 0x4 (was 0x100000, writing 0x100002)
[ 213.567179] pciback 0000:00:1f.6: restoring config space at offset 0x10 (was 0x0, writing 0xdf200000)
[ 213.567346] pciback 0000:00:1f.6: restoring config space at offset 0x4 (was 0x100000, writing 0x100002)
[ 213.774489] qmemman.daemon.algo[2026]: balance_when_enough_memory(xen_free_memory=187661981, total_mem_pref=864441446.4, total_available_memory=30949064630.6)
[ 213.774891] qmemman.systemstate[2026]: stat: dom '0' act=31625844096 pref=864441446.4 last_target=31625844096
[ 213.775249] qmemman.systemstate[2026]: stat: xenfree=240090781 memset_reqs=[('0', 31781692570)]
...
[ 213.946074] qmemman.daemon.algo[2026]: balance_when_enough_memory(xen_free_memory=1695245711, total_mem_pref=864441446.4, total_available_memory=32612496834.6)
[ 213.946439] qmemman.systemstate[2026]: stat: dom '0' act=31781692570 pref=864441446.4 last_target=31781692570
[ 213.946719] qmemman.systemstate[2026]: stat: xenfree=1747674511 memset_reqs=[('0', 33443461342)]
[ 213.947077] qmemman.systemstate[2026]: mem-set domain 0 to 33443461342
[ 214.347377] dmeventd[920]: No longer monitoring thin pool qubes_dom0-pool00-tpool.
[ 214.551177] lvm[920]: Monitoring thin pool qubes_dom0-pool00-tpool.
[ 214.679097] dmeventd[920]: No longer monitoring thin pool qubes_dom0-pool00-tpool.
[ 214.770524] lvm[920]: Monitoring thin pool qubes_dom0-pool00-tpool.
[ 215.185692] preshutdown[4180]: real 0m14.238s
[ 215.186110] preshutdown[4180]: user 0m0.066s
[ 215.186406] preshutdown[4180]: sys 0m0.018s
[ 215.186673] preshutdown[4180]: exitcode: '0'
[ 215.191118] preshutdown[4180]: real 0m0.005s
[ 215.191443] preshutdown[4180]: user 0m0.000s
[ 215.191718] preshutdown[4180]: sys 0m0.007s
[ 215.196536] preshutdown[4180]: [41mEnding /home/ctor/bin/preshutdown on Tue Sep 11 11:23:15 CEST 2018 215.19 1202.38
[ 215.198502] preshutdown[4180]: (B[m
[ 215.206933] qubesdb-daemon[2020]: terminating
[ 215.207692] systemd[1]: Stopped Qubes Dom0 startup setup.
[ 215.208143] systemd[1]: Stopped Qubes DB agent.
[ 215.209235] systemd[1]: Stopping Qubes memory management daemon...
[ 215.209358] systemd[1]: Stopping Xenconsoled - handles logging from guest consoles and hypervisor...
[ 215.209485] systemd[1]: Stopping Virtualization daemon...
[ 215.209585] systemd[1]: Stopping Qubes OS daemon...
[ 215.213172] qubesd[2019]: caught SIGTERM, exiting
[ 215.213861] systemd[1]: Stopped Qubes memory management daemon.
[ 215.215044] systemd[1]: Stopped Xenconsoled - handles logging from guest consoles and hypervisor.
[ 215.218932] libvirtd[2046]: S3 disabled
[ 215.219387] libvirtd[2046]: S4 disabled
[ 215.221252] systemd[1]: Stopped Virtualization daemon.
[ 215.221362] systemd[1]: Stopped target Remote File Systems.
[ 215.221496] systemd[1]: Stopping D-Bus System Message Bus...
[ 215.221626] systemd[1]: Stopping The Xen xenstore...
[ 215.222350] systemd[1]: Stopped The Xen xenstore.
[ 215.226248] systemd[1]: Stopped D-Bus System Message Bus.
[ 215.253063] systemd[1]: Stopped Qubes OS daemon.
[ 215.254560] systemd[1]: Stopping LVM2 PV scan on device 253:0...
[ 215.254639] systemd[1]: Stopped target Basic System.
[ 215.254766] systemd[1]: Stopped target Sockets.
[ 215.254861] systemd[1]: Closed Virtual machine lock manager socket.
[ 215.254952] systemd[1]: Closed D-Bus System Message Bus Socket.
[ 215.255007] systemd[1]: Closed Virtual machine log manager socket.
[ 215.255060] systemd[1]: Stopped target Slices.
[ 215.255266] systemd[1]: Removed slice User and Session Slice.
[ 215.255339] systemd[1]: Stopped target System Initialization.
[ 215.256645] systemd[1]: Stopping Load/Save Random Seed...
[ 215.257975] systemd[1]: Stopping Update UTMP about System Boot/Shutdown...
[ 215.258418] systemd[1]: Stopped Setup Virtual Console.
[ 215.258801] systemd[1]: Stopped Load legacy module configuration.
[ 215.258889] systemd[1]: Stopped target Encrypted Volumes.
[ 215.260343] systemd[1]: Stopping Cryptography Setup for luks-9ed952b5-2aa8-4564-b700-fb23f5c9e94b...
[ 215.260455] systemd[1]: Stopped Forward Password Requests to Plymouth Directory Watch.
[ 215.260556] systemd[1]: Stopped target Paths.
[ 215.264978] systemd[1]: Stopped Forward Password Requests to Wall Directory Watch.
[ 215.266212] systemd[1]: Stopped Load/Save Random Seed.
[ 215.268034] systemd[1]: Stopped Update UTMP about System Boot/Shutdown.
[ 215.268401] systemd[1]: Stopped Create Volatile Files and Directories.
[ 215.268447] systemd[1]: Stopped target Local File Systems.
[ 215.269611] systemd[1]: Unmounting Temporary Directory...
[ 215.270813] systemd[1]: Unmounting mount xenstore file system...
[ 215.272169] systemd[1]: Unmounting /boot/efi...
[ 215.273388] systemd[1]: Unmounting /run/user/1000...
[ 215.274538] systemd[1]: Stopped Configure read-only root support.
[ 215.277805] systemd[1]: Stopped LVM2 PV scan on device 253:0.
[ 215.278047] systemd[1]: Unmounted Temporary Directory.
[ 215.278274] systemd[1]: Stopped target Swap.
[ 215.278431] systemd[1]: Removed slice system-lvm2\x2dpvscan.slice.
[ 215.280718] systemd[1]: Unmounted mount xenstore file system.
[ 215.282456] systemd[1]: Unmounted /run/user/1000.
[ 215.286594] systemd[1]: Unmounting Mount /proc/xen files...
[ 215.291600] systemd[1]: Unmounted /boot/efi.
[ 215.293002] systemd[1]: Stopped File System Check on /dev/disk/by-uuid/181A-D5EF.
[ 215.297142] systemd[1]: Removed slice system-systemd\x2dfsck.slice.
[ 215.301093] systemd[1]: Stopped target Local File Systems (Pre).
[ 215.302668] systemd[1]: Stopped Remount Root and Kernel File Systems.
[ 215.307508] systemd[1]: Stopping Monitoring of LVM2 mirrors, snapshots etc. using dmeventd or progress polling...
[ 215.310823] systemd[1]: Stopped Create Static Device Nodes in /dev.
[ 215.314899] systemd[1]: Unmounted Mount /proc/xen files.
[ 215.330404] dmeventd[920]: No longer monitoring thin pool qubes_dom0-pool00-tpool.
[ 215.343572] lvm[5225]: 48 logical volume(s) in volume group "qubes_dom0" unmonitored
[ 215.344870] systemd[1]: Stopped Monitoring of LVM2 mirrors, snapshots etc. using dmeventd or progress polling.
[ 215.346348] systemd[1]: Stopping LVM2 metadata daemon...
[ 215.346491] lvmetad[931]: Failed to accept connection errno 11.
[ 215.350566] systemd[1]: Stopped LVM2 metadata daemon.
[ 220.082279] systemd-cryptsetup[5204]: Failed to deactivate: Device or resource busy
[ 220.086230] systemd[1]: systemd-cryptsetup@luks\x2d9ed952b5\x2d2aa8\x2d4564\x2db700\x2dfb23f5c9e94b.service: Control process exited, code=exited status=1
[ 220.088102] systemd[1]: Stopped Cryptography Setup for luks-9ed952b5-2aa8-4564-b700-fb23f5c9e94b.
[ 220.089553] systemd[1]: systemd-cryptsetup@luks\x2d9ed952b5\x2d2aa8\x2d4564\x2db700\x2dfb23f5c9e94b.service: Unit entered failed state.
[ 220.090953] systemd[1]: systemd-cryptsetup@luks\x2d9ed952b5\x2d2aa8\x2d4564\x2db700\x2dfb23f5c9e94b.service: Failed with result 'exit-code'.
[ 220.091112] systemd[1]: Reached target Unmount All Filesystems.
[ 220.095181] systemd[1]: Removed slice system-systemd\x2dcryptsetup.slice.
[ 220.097862] systemd[1]: Reached target Shutdown.
[ 220.099211] systemd[1]: Reached target Final Step.
[ 220.100552] systemd[1]: Starting Reboot...
[ 220.105370] systemd[1]: Shutting down.
（实际上我无法将其完全粘贴到此处，因为Body is limited to 30000 characters; you entered 35634.但其要点已在上面）