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刚装了ubuntu18.04，在里面安装了GNOME Boxes，但发现它创建任何虚拟系统都失败。此前在ubuntu16.04里gnome boxes是可以正常创建虚拟系统的，这是为什么？

1. 參閱
1-1. https://www.lifewire.com/guide-to-gnome-boxes-2202073
A Beginner's Guide To GNOME Boxes
1-2. https://www.omgubuntu.co.uk/2017/12/gno ... s-directly
GNOME Boxes Makes It Easier to Test Drive Linux Distros

但发现它创建任何虚拟系统都失败。

2. 請提供詳細的錯誤訊息

poloshiao 写了： 2. 請提供詳細的錯誤訊息

创建XP虚拟机的时候就报错。就是刚确定内存和磁盘空间大小，点击“下一步”就报错，应该是根本就没进入正式安装的步骤。

系统日志里有：
gvfsd: mkdir failed on directory /var/cache/samba: 权限不够
gnome-boxes: wizard-source.vala:444: Failed to find OS with ID 'http://fedoraproject.org/fedora/27': Unknown OS ID 'http://fedoraproject.org/fedora/27'

是不是和权限有关？看了/var/cache/samba，确实不存在这个目录。

创建XP虚拟机的时候就报错。

系统日志里有：
gvfsd: mkdir failed on directory /var/cache/samba: 权限不够
gnome-boxes: wizard-source.vala:444: Failed to find OS with ID 'http://fedoraproject.org/fedora/27': Unknown OS ID 'http://fedoraproject.org/fedora/27'

看看 這一篇能否幫你

https://bugzilla.redhat.com/show_bug.cgi?id=1016620
Samba shared point cannot be accessed from a Windows XP machine running in the gnome-boxes

https://bugzilla.redhat.com/show_bug.cgi?id=1016620#c5
we are sorry it could not be fixed.

poloshiao 写了： 看看 這一篇能否幫你

https://bugzilla.redhat.com/show_bug.cgi?id=1016620
Samba shared point cannot be accessed from a Windows XP machine running in the gnome-boxes

https://bugzilla.redhat.com/show_bug.cgi?id=1016620#c5
we are sorry it could not be fixed.

我是ISO文件就根本没运行。奇怪的是就在18.04发布前，我的系统是16.04，用boxes安装XP是没有问题的，重新安装了18.04（不是升级，是清了~/.local下的各种配置文件后的全新安装）后，boxes就不好使了。感觉好像18.04启用了什么新的安全系统，导致一些权限问题。mysql 的安装在18.04里也是各种怪异。

问题复杂化了，不研究了。感谢解答和提示。

Failed to start Microsoft Windows XP: Unable to start domain: unsupported configuration: CPU mode 'custom' for x86_64 kvm domain on x86_64 host is not supported by hypervisor

系统日志里提示这个信息，是什么意思？主机X86 64位，安装 X86 32位的XP，不支持么？

哈哈哈，解决了。

可参考
http://debian.2.n7.nabble.com/Bug-88999 ... l#a4274176

是用户组的问题，只要执行：

sudo adduser <youruser> kvm
newgrp kvm

把自己加入到 kvm 组里即可。

把自己加入到 kvm 组里即可

謝謝分享

poloshiao 写了： ↑2018-05-11 10:07 1. 參閱
1-1. https://www.lifewire.com/guide-to-gnome-boxes-2202073
A Beginner's Guide To GNOME Boxes
1-2. https://www.omgubuntu.co.uk/2017/12/gno ... s-directly
GNOME Boxes Makes It Easier to Test Drive Linux Distros

但发现它创建任何虚拟系统都失败。

2. 請提供詳細的錯誤訊息

也麻烦大家帮忙我看看，也是不能创建，log如下：


Nov 11 11:13:31 Linda dbus-daemon[737]: [system] Activating via systemd: service name='org.freedesktop.hostname1' unit='dbus-org.freedesktop.hostname1.service' requested by ':1.116' (uid=1000 pid=5604 comm="gnome-boxes " label="unconfined")
Nov 11 11:13:31 Linda systemd[1]: Starting Hostname Service...
Nov 11 11:13:31 Linda dbus-daemon[737]: [system] Successfully activated service 'org.freedesktop.hostname1'
Nov 11 11:13:31 Linda systemd[1]: Started Hostname Service.
Nov 11 11:13:34 Linda dbus-daemon[737]: [system] Activating via systemd: service name='org.freedesktop.timedate1' unit='dbus-org.freedesktop.timedate1.service' requested by ':1.116' (uid=1000 pid=5604 comm="gnome-boxes " label="unconfined")
Nov 11 11:13:34 Linda systemd[1]: Starting Time & Date Service...
Nov 11 11:13:34 Linda dbus-daemon[737]: [system] Successfully activated service 'org.freedesktop.timedate1'
Nov 11 11:13:34 Linda systemd[1]: Started Time & Date Service.
Nov 11 11:13:36 Linda gnome-keyring-d[1810]: asked to register item /org/freedesktop/secrets/collection/_e9_bb_98_e8_ae_a4_e5_af_86_e9_92_a5_e7_8e_af/98, but it's already registered
Nov 11 11:13:37 Linda gnome-keyring-d[1810]: asked to register item /org/freedesktop/secrets/collection/_e9_bb_98_e8_ae_a4_e5_af_86_e9_92_a5_e7_8e_af/98, but it's already registered
Nov 11 11:13:38 Linda gnome-keyring-d[1810]: asked to register item /org/freedesktop/secrets/collection/_e9_bb_98_e8_ae_a4_e5_af_86_e9_92_a5_e7_8e_af/98, but it's already registered
Nov 11 11:13:39 Linda gnome-keyring-d[1810]: asked to register item /org/freedesktop/secrets/collection/_e9_bb_98_e8_ae_a4_e5_af_86_e9_92_a5_e7_8e_af/98, but it's already registered

Nov 11 11:13:36 Linda gnome-keyring-d[1810]: asked to register item /org/freedesktop/secrets/collection/_e9_bb_98_e8_ae_a4_e5_af_86_e9_92_a5_e7_8e_af/98, but it's already registered

https://bugzilla.redhat.com/show_bug.cgi?id=1456134
Bug 1456134 - org.freedesktop.secrets fails to start

https://bugzilla.redhat.com/show_bug.cgi?id=1456134#c11
we are sorry it could not be fixed.