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将 wmctrl 与 zenity 提示符一起使用会导致 budgie-wm 分段错误

tag-icon • tag-icon bash workspaces segmentation-fault zenity budgie
将 wmctrl 与 zenity 提示符一起使用会导致 budgie-wm 分段错误

我正在尝试编写一个 bash 脚本，用于在工作区之间切换，并在切换过程中显示一些对话框提示。我正在运行带有 Budgie remix 的 Ubuntu 17.04。

单独使用wmctrl或时zenity，它们都可以正常工作。但是将它们放在一起时，budgie 窗口管理器会因分段错误而崩溃。

这在使用wmctrl -s 0和时都会发生xdotool set_desktop 0。它们单独使用时效果很好，但与结合使用时则不行zenity。

这是我的代码（引起分段错误）

#!/bin/bash

desktop=$(xdotool get_desktop) #Get current workspace id

if [ "${desktop}" -eq 0 ] #If workspace == 0
then
  wmctrl -s 3 #Switch to workspace 3
  firefox --new-window "http://www.reddit.com"
else
    zenity --question --title "Switch Workspace?" --text "Are you sure you wish to return to previous workspace?"
    if ! $? #If response Yes
    then
      wmctrl -s 0 #Switch back
    else
      notify-send "Operation Aborted" "User canceled workspace return."
    fi
fi

wmctrl单独使用命令时的工作代码示例

#!/bin/bash

desktop=$(xdotool get_desktop) #Get current workspace id

if [ "${desktop}" -eq 0 ] #If workspace == 0
then
  wmctrl -s 3 #Switch to workspace 3
  firefox --new-window "http://www.reddit.com"
else
  wmctrl -s 0 #Switch back
fi

zenity单独使用命令时的工作代码示例

#!/bin/bash

desktop=$(xdotool get_desktop) #Get current workspace id

if [ "${desktop}" -eq 0 ] #If workspace == 0
then
  wmctrl -s 3 #Switch to workspace 3
  firefox --new-window "http://www.reddit.com"
else
    zenity --question --title "Switch Workspace?" --text "Are you sure you wish to return to previous workspace?"
    if ! $? #If response Yes
    then
      notify-send "Switch Workspace" "Operation placeholder."
    else
      notify-send "Operation Aborted" "User canceled workspace return."
    fi
fi

以下是我发现的journalctl

Dec 02 11:17:54 main budgie-wm.desktop[20079]: Window manager warning: Received a NET_CURRENT_DESKTOP message from a broken (outdated) client who sent a 0 timestamp
Dec 02 11:17:54 main kernel: budgie-wm[20079]: segfault at 18 ip 00007fa255e8dfc1 sp 00007fff13189710 error 4 in libmutter-0.so.0.0.0[7fa255df0000+131000]
Dec 02 11:17:55 main gnome-session-binary[19810]: WARNING: Application 'budgie-wm.desktop' killed by signal 11
Dec 02 11:17:55 main gnome-session[19810]: gnome-session-binary[19810]: WARNING: Application 'budgie-wm.desktop' killed by signal 11
Dec 02 11:17:55 main ckb.desktop[20137]: QXcbConnection: XCB error: 148 (Unknown), sequence: 423, resource id: 0, major code: 140 (Unknown), minor code: 20
Dec 02 11:17:56 main budgie-wm[21537]: invalid (NULL) pointer instance
Dec 02 11:17:56 main budgie-wm[21537]: g_signal_connect_object: assertion 'G_TYPE_CHECK_INSTANCE (instance)' failed

zenity当用于触发工作区切换但两个组件各自都能正常工作时，是什么导致了分段错误？

答案1

归类为 Zenity 中的错误，请参阅：https://bugs.launchpad.net/ubuntu/+source/zenity/+bug/1735917

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