Sorry, the problem comes from BIOS settings on my HP 250, the bios was set to capture function keys and not pass them to the application. Changed BIOS settings solved the problem. Please close my stupid bug tnanks
-- You received this bug notification because you are a member of Ubuntu Studio Bugs, which is subscribed to gimp in Ubuntu. Matching subscriptions: Ubuntu Studio Bugs https://bugs.launchpad.net/bugs/1790369 Title: GIMP f11 should go fullscreen but does not work Status in gimp package in Ubuntu: New Bug description: Started GIMP from terminal I have the following messages: corrado@corrado-HP-p4-cc-0813:~$ gimp Gtk-Message: 18:00:17.419: Failed to load module "canberra-gtk-module" Missing fast-path babl conversion detected, Implementing missing babl fast paths accelerates GEGL, GIMP and other software using babl, warnings are printed on first occurance of formats used where a conversion has to be synthesized programmatically by babl based on format description *WARNING* missing babl fast path(s): "R'G'B' double" to "CIE Lab double" *WARNING* missing babl fast path(s): "cairo-ARGB32" to "R'G'B'A u8" GIMP started single window mode, I hit f11 to go fullscreen but I see just a sign 'do not stop' I opened the problem to gitlab: https://gitlab.gnome.org/GNOME/gimp/issues/2138 and i was suggested to open this problem to Ubuntu. corrado@corrado-HP-p4-cc-0813:~$ apt policy gimp gimp: Installed: 2.10.6-2 Candidate: 2.10.6-2 Version table: *** 2.10.6-2 500 500 http://archive.ubuntu.com/ubuntu cosmic/universe amd64 Packages 100 /var/lib/dpkg/status corrado@corrado-HP-p4-cc-0813:~$ inxi -Fx System: Host: corrado-HP-p4-cc-0813 Kernel: 4.17.0-9-generic x86_64 bits: 64 compiler: gcc v: 8.2.0 Desktop: Gnome 3.29.90 Distro: Ubuntu 18.10 (Cosmic Cuttlefish) Machine: Type: Laptop System: Hewlett-Packard product: HP 250 G3 Notebook PC v: 0991100000000000000600087 serial: <root required> Mobo: Hewlett-Packard model: 2211 v: 86.49 serial: <root required> UEFI: Insyde v: F.36 date: 12/18/2014 Battery: ID-1: BAT1 charge: 4.6 Wh condition: 21.3/21.5 Wh (99%) model: 13-42 OA03031 status: Discharging CPU: Topology: Dual Core model: Intel Core i5-4210U bits: 64 type: MT MCP arch: Haswell rev: 1 L2 cache: 3072 KiB flags: lm nx pae sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx bogomips: 19156 Speed: 798 MHz min/max: 800/2700 MHz Core speeds (MHz): 1: 798 2: 799 3: 798 4: 799 Graphics: Device-1: Intel Haswell-ULT Integrated Graphics driver: i915 v: kernel bus ID: 00:02.0 Display: x11 server: X.Org 1.20.1 driver: i915 resolution: 1366x768~60Hz OpenGL: renderer: Mesa DRI Intel Haswell Mobile v: 4.5 Mesa 18.1.5 direct render: Yes Audio: Device-1: Intel Haswell-ULT HD Audio driver: snd_hda_intel v: kernel bus ID: 00:03.0 Device-2: Intel 8 Series HD Audio driver: snd_hda_intel v: kernel bus ID: 00:1b.0 Sound Server: ALSA v: k4.17.0-9-generic Network: Device-1: Realtek RTL810xE PCI Express Fast Ethernet driver: r8169 v: 2.3LK-NAPI port: 3000 bus ID: 08:00.0 IF: enp8s0 state: down mac: 5c:b9:01:06:ba:ce Device-2: Ralink RT3290 Wireless 802.11n 1T/1R PCIe driver: rt2800pci v: 2.3.0 bus ID: 09:00.0 IF: wlp9s0f0 state: up mac: ac:d1:b8:82:03:5d Drives: Local Storage: total: 465.76 GiB used: 8.06 GiB (1.7%) ID-1: /dev/sda vendor: Seagate model: ST500LT012-1DG142 size: 465.76 GiB Partition: ID-1: / size: 31.25 GiB used: 8.05 GiB (25.8%) fs: ext4 dev: /dev/sda4 ID-2: swap-1 size: 4.00 GiB used: 0 KiB (0.0%) fs: swap dev: /dev/sda2 Sensors: System Temperatures: cpu: 42.0 C mobo: 42.0 C Fan Speeds (RPM): N/A Info: Processes: 200 Uptime: 1h 44m Memory: 3.79 GiB used: 1.19 GiB (31.4%) Init: systemd runlevel: 5 Compilers: gcc: N/A Shell: bash v: 4.4.19 inxi: 3.0.22 corrado@corrado-HP-p4-cc-0813:~$ ProblemType: Bug DistroRelease: Ubuntu 18.10 Package: gimp 2.10.6-2 ProcVersionSignature: Ubuntu 4.17.0-9.10-generic 4.17.17 Uname: Linux 4.17.0-9-generic x86_64 ApportVersion: 2.20.10-0ubuntu9 Architecture: amd64 CurrentDesktop: ubuntu:GNOME Date: Sun Sep 2 18:01:26 2018 InstallationDate: Installed on 2018-08-13 (20 days ago) InstallationMedia: Ubuntu 18.10 "Cosmic Cuttlefish" - Alpha amd64 (20180813) SourcePackage: gimp UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gimp/+bug/1790369/+subscriptions -- Mailing list: https://launchpad.net/~ubuntustudio-bugs Post to : [email protected] Unsubscribe : https://launchpad.net/~ubuntustudio-bugs More help : https://help.launchpad.net/ListHelp

