{"action":"opened","issue":{"url":"https://api.github.com/repos/linuxmint/linuxmint/issues/9","repository_url":"https://api.github.com/repos/linuxmint/linuxmint","labels_url":"https://api.github.com/repos/linuxmint/linuxmint/issues/9/labels{/name}","comments_url":"https://api.github.com/repos/linuxmint/linuxmint/issues/9/comments","events_url":"https://api.github.com/repos/linuxmint/linuxmint/issues/9/events","html_url":"https://github.com/linuxmint/linuxmint/issues/9","id":312697620,"number":9,"title":"Bug in Panel preference settings.","user":{"login":"aerkiaga","id":38228836,"avatar_url":"https://avatars2.githubusercontent.com/u/38228836?v=4","gravatar_id":"","url":"https://api.github.com/users/aerkiaga","html_url":"https://github.com/aerkiaga","followers_url":"https://api.github.com/users/aerkiaga/followers","following_url":"https://api.github.com/users/aerkiaga/following{/other_user}","gists_url":"https://api.github.com/users/aerkiaga/gists{/gist_id}","starred_url":"https://api.github.com/users/aerkiaga/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/aerkiaga/subscriptions","organizations_url":"https://api.github.com/users/aerkiaga/orgs","repos_url":"https://api.github.com/users/aerkiaga/repos","events_url":"https://api.github.com/users/aerkiaga/events{/privacy}","received_events_url":"https://api.github.com/users/aerkiaga/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":0,"created_at":"2018-04-09T21:40:39Z","updated_at":"2018-04-09T21:40:39Z","closed_at":null,"author_association":"NONE","body":"The sequence of actions that triggers it is the following: activate Panel edit mode, either from Preferences -> Panel, in which case go back to Preferences without deactivating it, or from the panel itself (with a Preferences window open and at least partially visible for the next step, I suppose). Now, still without deactivating, click on Panel, go back and repeat until a bunch of very small windows appear. If one is closed (might not work with all the windows that appear), the Panel settings window gets closed, but the Panel does not lose its red hue. Entering Panel and going back returns it to normal, but the problem may still be there, so entering and exiting Panel as before may re-trigger it.\r\n\r\nAfter Panel is entered the first time with Panel edit mode activated, the bug is bound to be triggered even if it is deactivated afterwards. At this point, if Panel is entered again and exited a number of times (usually 1-3 in total), the small, black windows appear invariably.\r\n\r\nWhen this happens, the parent window can apparently be closed normally. Doing this does return the panel to its normal color. When the normal color is returned, entering and exiting Panel repeatedly will not trigger the bug again. Sometimes, even if one black window has been closed and the panel has the red hue, entering Panel repeatedly will not trigger it.\r\n\r\nThis is a screenshot of the faulty panel, with the tabs that correspond to all the buggy open windows following the Panel tab:\r\n\r\n![image](https://user-images.githubusercontent.com/38228836/38524218-2c46479a-3c4e-11e8-9f24-626820f89762.png)\r\n\r\nSystem information, output of `inxi -Fxxrzc0`:\r\n```\r\nSystem:    Host: User-PC Kernel: 4.13.0-38-generic x86_64 (64 bit gcc: 5.4.0)\r\n           Desktop: Cinnamon 3.6.7 (Gtk 3.18.9-1ubuntu3.3) dm: lightdm\r\n           Distro: Linux Mint 18.3 Sylvia\r\nMachine:   System: ASUS product: All Series\r\n           Mobo: ASUSTeK model: AM1M-A v: Rev X.0x\r\n           Bios: American Megatrends v: 1302 date: 10/27/2015\r\nCPU:       Quad core AMD Athlon 5350 APU with Radeon R3 (-MCP-) cache: 8192 KB\r\n           flags: (lm nx sse sse2 sse3 sse4_1 sse4_2 sse4a ssse3 svm) bmips: 16798\r\n           clock speeds: min/max: 800/2000 MHz 1: 968 MHz 2: 1224 MHz\r\n           3: 1263 MHz 4: 944 MHz\r\nGraphics:  Card: NVIDIA GK208 [GeForce GT 730]\r\n           bus-ID: 01:00.0 chip-ID: 10de:1287\r\n           Display Server: X.Org 1.18.4 drivers: nvidia (unloaded: fbdev,vesa,nouveau)\r\n           Resolution: 1366x768@59.79hz\r\n           GLX Renderer: GeForce GT 730/PCIe/SSE2\r\n           GLX Version: 4.5.0 NVIDIA 384.111 Direct Rendering: Yes\r\nAudio:     Card-1 Advanced Micro Devices [AMD] FCH Azalia Controller\r\n           driver: snd_hda_intel bus-ID: 00:14.2 chip-ID: 1022:780d\r\n           Card-2 NVIDIA GK208 HDMI/DP Audio Controller\r\n           driver: snd_hda_intel bus-ID: 01:00.1 chip-ID: 10de:0e0f\r\n           Sound: Advanced Linux Sound Architecture v: k4.13.0-38-generic\r\nNetwork:   Card-1: Realtek RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller\r\n           driver: r8169 v: 2.3LK-NAPI port: d000\r\n           bus-ID: 02:00.0 chip-ID: 10ec:8168\r\n           IF: enp2s0 state: down mac: <filter>\r\n           Card-2: Ralink RT5372 Wireless Adapter\r\n           driver: rt2800usb v: 2.3.0 usb-ID: 002-002 chip-ID: 148f:5372\r\n           IF: wlx9cefd5fd9e55 state: N/A mac: N/A\r\nDrives:    HDD Total Size: 1240.3GB (2.8% used)\r\n           ID-1: /dev/sda model: KINGSTON_SUV400S size: 240.1GB serial: 50026B7669014F30\r\n           ID-2: /dev/sdb model: ST1000DM003 size: 1000.2GB serial: Z1D844CX\r\nPartition: ID-1: / size: 198G used: 14G (8%) fs: ext4 dev: /dev/sda2\r\n           ID-2: /home size: 557G used: 16G (3%) fs: ext4 dev: /dev/sdb4\r\n           ID-3: swap-1 size: 4.09GB used: 0.00GB (0%) fs: swap dev: /dev/sda1\r\nRAID:      System: supported: N/A\r\n           No RAID devices: /proc/mdstat, md_mod kernel module present\r\n           Unused Devices: none\r\nSensors:   System Temperatures: cpu: 12.2C mobo: N/A gpu: 0.0:35C\r\n           Fan Speeds (in rpm): cpu: 0\r\nRepos:     Active apt sources in file: /etc/apt/sources.list.d/google-chrome.list\r\n           deb [arch=amd64] http://dl.google.com/linux/chrome/deb/ stable main\r\n           Active apt sources in file: /etc/apt/sources.list.d/official-package-repositories.list\r\n           deb http://packages.linuxmint.com sylvia main upstream import backport\r\n           deb http://archive.ubuntu.com/ubuntu xenial main restricted universe multiverse\r\n           deb http://archive.ubuntu.com/ubuntu xenial-updates main restricted universe multiverse\r\n           deb http://archive.ubuntu.com/ubuntu xenial-backports main restricted universe multiverse\r\n           deb http://security.ubuntu.com/ubuntu/ xenial-security main restricted universe multiverse\r\n           deb http://archive.canonical.com/ubuntu/ xenial partner\r\n           Active apt sources in file: /etc/apt/sources.list.d/sublime-text.list\r\n           deb https://download.sublimetext.com/ apt/stable/\r\nInfo:      Processes: 197 Uptime: 1:06 Memory: 2106.2/3879.7MB\r\n           Init: systemd v: 229 runlevel: 5 default: 2 Gcc sys: 7.3.0 alt: 5\r\n           Client: Shell (bash 4.3.481 running in gnome-terminal-) inxi: 2.2.35\r\n```"}}
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