tony@tony-desktop:~$ calibre-debug -g calibre 3.3 embedded-python: True is64bit: True Linux-4.10.0-26-generic-x86_64-with-debian-stretch-sid Linux ('64bit', 'ELF') ('Linux', '4.10.0-26-generic', '#30-Ubuntu SMP Tue Jun 27 09:30:12 UTC 2017') Python 2.7.12 Linux: ('debian', 'stretch/sid', '') 界面语言：无 成功初始化第三方插件：DeDRM（6、0、8）&& Kindle Collections（1、7、15） 启用自动 hidpi 缩放 GLib-GIO-Message：使用“内存”GSettings 后端。您的设置不会被保存或与其他应用程序共享。
(calibre-debug:5005): Gtk-WARNING **: GModule (/usr/lib/x86_64-linux-gnu/gtk-2.0/2.10.0/immodules/im-ibus.so) 初始化检查失败：GLib 版本太旧（微不匹配）
(calibre-debug:5005): Gtk-警告**: 加载 IM 上下文类型“ibus”失败
(calibre-debug:5005): Gtk-WARNING **: GModule (/usr/lib/x86_64-linux-gnu/gtk-2.0/2.10.0/immodules/im-ibus.so) 初始化检查失败：GLib 版本太旧（微不匹配）
(calibre-debug:5005): Gtk-警告**: 加载 IM 上下文类型“ibus”失败
(calibre-debug:5005): Gtk-WARNING **: GModule (/usr/lib/x86_64-linux-gnu/gtk-2.0/2.10.0/immodules/im-ibus.so) 初始化检查失败：GLib 版本太旧（微不匹配）
(calibre-debug:5005): Gtk-WARNING **: 加载 IM 上下文类型“ibus”失败 devicePixelRatio: 1.0 logicalDpi: inf x inf physicalDpi: -71771164.0253 x -121213521.465 使用 calibre Qt 样式：True
tony@tony-desktop:~$ calibre GLib-GIO-Message: 使用“内存”GSettings 后端。您的设置将不会被保存或与其他应用程序共享。
(calibre:3502): Gtk-WARNING **: GModule (/usr/lib/x86_64-linux-gnu/gtk-2.0/2.10.0/immodules/im-ibus.so) initialization check failed: GLib version too old (micro mismatch)
(calibre:3502): Gtk-WARNING **: Loading IM context type 'ibus' failed
(calibre:3502): Gtk-WARNING **: GModule (/usr/lib/x86_64-linux-gnu/gtk-2.0/2.10.0/immodules/im-ibus.so) initialization check failed: GLib version too old (micro mismatch)
(calibre:3502): Gtk-WARNING **: Loading IM context type 'ibus' failed
(calibre:3502): Gtk-WARNING **: GModule (/usr/lib/x86_64-linux-gnu/gtk-2.0/2.10.0/immodules/im-ibus.so) initialization check failed: GLib version too old (micro mismatch)
(calibre:3502): Gtk-WARNING **: Loading IM context type 'ibus' failed
如果我尝试使用 root 权限：
tony@tony-desktop:~$ sudo calibre
[sudo] password for tony:
QXcbConnection: XCB error: 2 (BadValue), sequence: 405, resource id: 0, major code: 1 (CreateWindow), minor code: 0
QXcbConnection: XCB error: 3 (BadWindow), sequence: 406, resource id: 83886084, major code: 2 (ChangeWindowAttributes), minor code: 0
QXcbConnection: XCB error: 3 (BadWindow), sequence: 407, resource id: 83886084, major code: 18 (ChangeProperty), minor code: 0
QXcbConnection: XCB error: 3 (BadWindow), sequence: 408, resource id: 83886084, major code: 18 (ChangeProperty), minor code: 0
QXcbConnection: XCB error: 3 (BadWindow), sequence: 409, resource id: 83886084, major code: 18 (ChangeProperty), minor code: 0
QXcbConnection: XCB error: 3 (BadWindow), sequence: 411, resource id: 83886084, major code: 18 (ChangeProperty), minor code: 0
QXcbConnection: XCB error: 3 (BadWindow), sequence: 412, resource id: 83886084, major code: 18 (ChangeProperty), minor code: 0
QXcbConnection: XCB error: 3 (BadWindow), sequence: 413, resource id: 83886084, major code: 18 (ChangeProperty), minor code: 0
QXcbConnection: XCB error: 3 (BadWindow), sequence: 416, resource id: 83886084, major code: 18 (ChangeProperty), minor code: 0
QXcbConnection: XCB error: 3 (BadWindow), sequence: 420, resource id: 83886084, major code: 2 (ChangeWindowAttributes), minor code: 0
QXcbConnection: XCB error: 3 (BadWindow), sequence: 421, resource id: 83886084, major code: 18 (ChangeProperty), minor code: 0
QXcbConnection: XCB error: 3 (BadWindow), sequence: 422, resource id: 83886084, major code: 19 (DeleteProperty), minor code: 0
QXcbConnection: XCB error: 3 (BadWindow), sequence: 423, resource id: 83886084, major code: 20 (GetProperty), minor code: 0
QXcbConnection: XCB error: 3 (BadWindow), sequence: 427, resource id: 83886084, major code: 18 (ChangeProperty), minor code: 0
QXcbConnection: XCB error: 3 (BadWindow), sequence: 428, resource id: 83886084, major code: 18 (ChangeProperty), minor code: 0
QXcbConnection: XCB error: 3 (BadWindow), sequence: 431, resource id: 83886084, major code: 18 (ChangeProperty), minor code: 0
QXcbConnection: XCB error: 3 (BadWindow), sequence: 434, resource id: 83886084, major code: 18 (ChangeProperty), minor code: 0
QXcbConnection: XCB error: 3 (BadWindow), sequence: 435, resource id: 83886084, major code: 18 (ChangeProperty), minor code: 0
QXcbConnection: XCB error: 3 (BadWindow), sequence: 436, resource id: 83886084, major code: 12 (ConfigureWindow), minor code: 0
QXcbConnection: XCB error: 3 (BadWindow), sequence: 452, resource id: 83886084, major code: 2 (ChangeWindowAttributes), minor code: 0
QXcbConnection: XCB error: 3 (BadWindow), sequence: 453, resource id: 83886084, major code: 2 (ChangeWindowAttributes), minor code: 0
QXcbConnection: XCB error: 3 (BadWindow), sequence: 454, resource id: 83886084, major code: 20 (GetProperty), minor code: 0
QXcbConnection: XCB error: 3 (BadWindow), sequence: 455, resource id: 83886084, major code: 18 (ChangeProperty), minor code: 0
QXcbConnection: XCB error: 3 (BadWindow), sequence: 456, resource id: 83886084, major code: 18 (ChangeProperty), minor code: 0
QXcbConnection: XCB error: 3 (BadWindow), sequence: 457, resource id: 83886084, major code: 18 (ChangeProperty), minor code: 0
QXcbConnection: XCB error: 3 (BadWindow), sequence: 458, resource id: 83886084, major code: 20 (GetProperty), minor code: 0
QXcbConnection: XCB error: 3 (BadWindow), sequence: 459, resource id: 83886084, major code: 18 (ChangeProperty), minor code: 0
QXcbConnection: XCB error: 3 (BadWindow), sequence: 460, resource id: 83886084, major code: 20 (GetProperty), minor code: 0
QXcbConnection: XCB error: 3 (BadWindow), sequence: 461, resource id: 83886084, major code: 19 (DeleteProperty), minor code: 0
QXcbConnection: XCB error: 3 (BadWindow), sequence: 462, resource id: 83886084, major code: 8 (MapWindow), minor code: 0
QWidget::setMaximumSize: (/JobError) Negative sizes (16777215,-492131604) are not possible
DBusExport: Failed to connect to DBUS session bus, with error: org.freedesktop.DBus.Error.Spawn.ExecFailed: /usr/bin/dbus-launch terminated abnormally with the following error: dbus-launch: /opt/calibre/lib/libdbus-1.so.3: version `LIBDBUS_PRIVATE_1.10.10' not found (required by dbus-launch)
QFont::setPointSize: Point size <= 0 (-1), must be greater than 0
QFont::setPointSize: Point size <= 0 (-1), must be greater than 0
QFont::setPointSize: Point size <= 0 (-1), must be greater than 0
QFont::setPointSize: Point size <= 0 (-1), must be greater than 0
QFont::setPointSize: Point size <= 0 (-1), must be greater than 0
QFont::setPointSize: Point size <= 0 (-1), must be greater than 0
QFont::setPointSize: Point size <= 0 (-1), must be greater than 0
QFont::setPointSize: Point size <= 0 (-1), must be greater than 0
QWidget::setMinimumSize: (MainWindow/Main) The largest allowed size is (16777215,16777215)
QXcbConnection: XCB error: 2 (BadValue), sequence: 464, resource id: 0, major code: 1 (CreateWindow), minor code: 0
QXcbConnection: XCB error: 3 (BadWindow), sequence: 465, resource id: 83886092, major code: 2 (ChangeWindowAttributes), minor code: 0
QXcbConnection: XCB error: 3 (BadWindow), sequence: 466, resource id: 83886092, major code: 18 (ChangeProperty), minor code: 0
QXcbConnection: XCB error: 3 (BadWindow), sequence: 467, resource id: 83886092, major code: 18 (ChangeProperty), minor code: 0
QXcbConnection: XCB error: 3 (BadWindow), sequence: 468, resource id: 83886092, major code: 18 (ChangeProperty), minor code: 0
QXcbConnection: XCB error: 3 (BadWindow), sequence: 470, resource id: 83886092, major code: 18 (ChangeProperty), minor code: 0
QXcbConnection: XCB error: 3 (BadWindow), sequence: 471, resource id: 83886092, major code: 18 (ChangeProperty), minor code: 0
QXcbConnection: XCB error: 3 (BadWindow), sequence: 472, resource id: 83886092, major code: 18 (ChangeProperty), minor code: 0
QXcbConnection: XCB error: 3 (BadWindow), sequence: 473, resource id: 83886092, major code: 18 (ChangeProperty), minor code: 0
QXcbConnection: XCB error: 3 (BadWindow), sequence: 477, resource id: 83886092, major code: 2 (ChangeWindowAttributes), minor code: 0
QXcbConnection: XCB error: 3 (BadWindow), sequence: 478, resource id: 83886092, major code: 18 (ChangeProperty), minor code: 0
QXcbConnection: XCB error: 3 (BadWindow), sequence: 479, resource id: 83886092, major code: 18 (ChangeProperty), minor code: 0
QXcbConnection: XCB error: 3 (BadWindow), sequence: 480, resource id: 83886092, major code: 20 (GetProperty), minor code: 0
QXcbConnection: XCB error: 3 (BadWindow), sequence: 484, resource id: 83886092, major code: 18 (ChangeProperty), minor code: 0
QXcbConnection: XCB error: 3 (BadWindow), sequence: 485, resource id: 83886092, major code: 18 (ChangeProperty), minor code: 0
QXcbConnection: XCB error: 3 (BadWindow), sequence: 488, resource id: 83886092, major code: 18 (ChangeProperty), minor code: 0
QXcbConnection: XCB error: 3 (BadWindow), sequence: 489, resource id: 83886092, major code: 18 (ChangeProperty), minor code: 0
QXcbConnection: XCB error: 3 (BadWindow), sequence: 492, resource id: 83886092, major code: 18 (ChangeProperty), minor code: 0
QXcbConnection: XCB error: 3 (BadWindow), sequence: 493, resource id: 83886092, major code: 18 (ChangeProperty), minor code: 0
QXcbConnection: XCB error: 3 (BadWindow), sequence: 494, resource id: 83886092, major code: 12 (ConfigureWindow), minor code: 0
QXcbConnection: XCB error: 3 (BadWindow), sequence: 495, resource id: 83886092, major code: 2 (ChangeWindowAttributes), minor code: 0
QXcbConnection: XCB error: 3 (BadWindow), sequence: 496, resource id: 83886092, major code: 2 (ChangeWindowAttributes), minor code: 0
QXcbConnection: XCB error: 3 (BadWindow), sequence: 497, resource id: 83886092, major code: 20 (GetProperty), minor code: 0
QXcbConnection: XCB error: 3 (BadWindow), sequence: 498, resource id: 83886092, major code: 18 (ChangeProperty), minor code: 0
QXcbConnection: XCB error: 3 (BadWindow), sequence: 499, resource id: 83886092, major code: 18 (ChangeProperty), minor code: 0
QXcbConnection: XCB error: 3 (BadWindow), sequence: 500, resource id: 83886092, major code: 19 (DeleteProperty), minor code: 0
QXcbConnection: XCB error: 3 (BadWindow), sequence: 501, resource id: 83886092, major code: 20 (GetProperty), minor code: 0
QXcbConnection: XCB error: 3 (BadWindow), sequence: 502, resource id: 83886092, major code: 18 (ChangeProperty), minor code: 0
QXcbConnection: XCB error: 3 (BadWindow), sequence: 503, resource id: 83886092, major code: 20 (GetProperty), minor code: 0
QXcbConnection: XCB error: 3 (BadWindow), sequence: 504, resource id: 83886092, major code: 19 (DeleteProperty), minor code: 0
QXcbConnection: XCB error: 3 (BadWindow), sequence: 505, resource id: 83886092, major code: 18 (ChangeProperty), minor code: 0
QXcbConnection: XCB error: 3 (BadWindow), sequence: 506, resource id: 83886092, major code: 8 (MapWindow), minor code: 0
QWidget::setMinimumSize: (MainWindow/Main) The largest allowed size is (16777215,16777215)
QWidget::setMinimumSize: (MainWindow/Main) The largest allowed size is (16777215,16777215)
QWidget::setMinimumSize: (MainWindow/Main) The largest allowed size is (16777215,16777215)
QXcbConnection: XCB error: 3 (BadWindow), sequence: 509, resource id: 83886084, major code: 10 (UnmapWindow), minor code: 0
QXcbConnection: XCB error: 3 (BadWindow), sequence: 512, resource id: 83886084, major code: 4 (DestroyWindow), minor code: 0
QWidget::setMinimumSize: (MainWindow/Main) The largest allowed size is (16777215,16777215)
^CQWidget::setMinimumSize: (MainWindow/Main) The largest allowed size is (16777215,16777215)
QWidget::setMinimumSize: (MainWindow/Main) The largest allowed size is (16777215,16777215)
答案1
我可以通过以下命令启动 Calibre 并使其工作：
Sudo QT_DEVICE_PIXEL_RATIO=1 nohup calibre &
我还做了其他更改，这些更改可能会或可能不会影响它的启动，例如将 library.png 从 1024x1024 更改为 256x256。