[Kernel-packages] [Bug 1893568] Re: Screen brightness missing
Yes, is a Dell corrado@corrado-n3-gg-0826:~$ sudo dmidecode -t1 [sudo] password for corrado: # dmidecode 3.2 Getting SMBIOS data from sysfs. SMBIOS 3.1 present. Handle 0x0100, DMI type 1, 27 bytes System Information Manufacturer: Dell Inc. Product Name: Inspiron 3793 Version: Not Specified Serial Number: H08YC33 UUID: 4c4c4544-0030-3810-8059-c8c04f43 Wake-up Type: Power Switch SKU Number: 097A Family: Inspiron corrado@corrado-n3-gg-0826:~$ inxi -Fx System:Host: corrado-n3-gg-0826 Kernel: 5.4.0-42-generic x86_64 bits: 64 compiler: gcc v: 9.3.0 Desktop: N/A Distro: Ubuntu 20.10 (Groovy Gorilla) Machine: Type: Laptop System: Dell product: Inspiron 3793 v: N/A serial: Mobo: Dell model: 0C1PF2 v: A00 serial: UEFI: Dell v: 1.5.0 date: 12/17/2019 Battery: ID-1: BAT0 charge: 22.7 Wh condition: 37.1/42.0 Wh (88%) model: SWD-ATL3.618 DELL WJPC403 status: Discharging CPU: Info: Quad Core model: Intel Core i5-1035G1 bits: 64 type: MT MCP arch: Ice Lake rev: 5 L2 cache: 6144 KiB flags: avx avx2 lm nx pae sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx bogomips: 19046 Speed: 590 MHz min/max: 400/3600 MHz Core speeds (MHz): 1: 1786 2: 860 3: 1298 4: 2789 5: 788 6: 934 7: 2009 8: 2887 Graphics: Device-1: Intel Iris Plus Graphics G1 vendor: Dell driver: i915 v: kernel bus ID: 00:02.0 Device-2: Realtek Integrated_Webcam_HD type: USB driver: uvcvideo bus ID: 1-6:3 Display: x11 server: X.Org 1.20.8 driver: modesetting unloaded: fbdev,vesa resolution: 1920x1080~60Hz OpenGL: renderer: Mesa Intel UHD Graphics (ICL GT1) v: 4.6 Mesa 20.1.5 direct render: Yes Audio: Device-1: Intel Smart Sound Audio vendor: Dell driver: snd_hda_intel v: kernel bus ID: 00:1f.3 Sound Server: ALSA v: k5.4.0-42-generic Network: Device-1: Realtek RTL810xE PCI Express Fast Ethernet vendor: Dell driver: r8169 v: kernel port: 3000 bus ID: 01:00.0 IF: enp1s0 state: down mac: 98:e7:43:59:19:19 Device-2: Qualcomm Atheros QCA9377 802.11ac Wireless Network Adapter vendor: Dell driver: ath10k_pci v: kernel port: 3000 bus ID: 02:00.0 IF: wlp2s0 state: up mac: d8:12:65:b8:21:b9 Device-3: Qualcomm Atheros type: USB driver: btusb bus ID: 1-10:4 Drives:Local Storage: total: 476.94 GiB used: 8.56 GiB (1.8%) ID-1: /dev/nvme0n1 vendor: Toshiba model: KBG40ZNS512G NVMe KIOXIA 512GB size: 476.94 GiB Partition: ID-1: / size: 31.25 GiB used: 8.52 GiB (27.3%) fs: ext4 dev: /dev/nvme0n1p3 Swap: ID-1: swap-1 type: partition size: 8.00 GiB used: 0 KiB (0.0%) dev: /dev/nvme0n1p2 Sensors: System Temperatures: cpu: 27.8 C mobo: N/A Fan Speeds (RPM): cpu: 0 Info: Processes: 248 Uptime: 3m Memory: 7.55 GiB used: 1.28 GiB (16.9%) Init: systemd runlevel: 5 Compilers: gcc: N/A Packages: 1810 Shell: Bash v: 5.0.17 inxi: 3.1.06 corrado@corrado-n3-gg-0826:~$ -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1893568 Title: Screen brightness missing Status in linux package in Ubuntu: Incomplete Bug description: gnome-control-center - power - Screen brightness is missing. also on top bar Screen brightness control appears but does nothing. the problem does not happen on same PC, different partition with Ubuntu 20.04 ProblemType: Bug DistroRelease: Ubuntu 20.10 Package: gnome-control-center 1:3.37.90-1ubuntu2 ProcVersionSignature: Ubuntu 5.4.0-42.46-generic 5.4.44 Uname: Linux 5.4.0-42-generic x86_64 ApportVersion: 2.20.11-0ubuntu45 Architecture: amd64 CasperMD5CheckResult: skip CurrentDesktop: ubuntu:GNOME Date: Sun Aug 30 19:47:23 2020 ExecutablePath: /usr/bin/gnome-control-center InstallationDate: Installed on 2020-08-28 (2 days ago) InstallationMedia: Ubuntu 20.10 "Groovy Gorilla" - Alpha amd64 (20200826) SourcePackage: gnome-control-center UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1893568/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1893568] Re: Screen brightness missing
Thanks. It looks like a Dell, but what model of Dell? Please try running this command and tell us what it returns: sudo dmidecode -t1 -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1893568 Title: Screen brightness missing Status in linux package in Ubuntu: Incomplete Bug description: gnome-control-center - power - Screen brightness is missing. also on top bar Screen brightness control appears but does nothing. the problem does not happen on same PC, different partition with Ubuntu 20.04 ProblemType: Bug DistroRelease: Ubuntu 20.10 Package: gnome-control-center 1:3.37.90-1ubuntu2 ProcVersionSignature: Ubuntu 5.4.0-42.46-generic 5.4.44 Uname: Linux 5.4.0-42-generic x86_64 ApportVersion: 2.20.11-0ubuntu45 Architecture: amd64 CasperMD5CheckResult: skip CurrentDesktop: ubuntu:GNOME Date: Sun Aug 30 19:47:23 2020 ExecutablePath: /usr/bin/gnome-control-center InstallationDate: Installed on 2020-08-28 (2 days ago) InstallationMedia: Ubuntu 20.10 "Groovy Gorilla" - Alpha amd64 (20200826) SourcePackage: gnome-control-center UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1893568/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1893568] Re: Screen brightness missing
corrado@corrado-n3-gg-0826:~$ ls /sys/class/backlight/ intel_backlight corrado@corrado-n3-gg-0826:~$ cd intel_backlight bash: cd: intel_backlight: No such file or directory corrado@corrado-n3-gg-0826:~$ cd /sys/class/backlight/ corrado@corrado-n3-gg-0826:/sys/class/backlight$ ls intel_backlight corrado@corrado-n3-gg-0826:/sys/class/backlight$ cd intel_backlight corrado@corrado-n3-gg-0826:/sys/class/backlight/intel_backlight$ ls actual_brightness bl_power brightness device max_brightness power scale subsystem type uevent corrado@corrado-n3-gg-0826:/sys/class/backlight/intel_backlight$ inxi -SCGx System:Host: corrado-n3-gg-0826 Kernel: 5.4.0-42-generic x86_64 bits: 64 compiler: gcc v: 9.3.0 Desktop: N/A Distro: Ubuntu 20.10 (Groovy Gorilla) CPU: Info: Quad Core model: Intel Core i5-1035G1 bits: 64 type: MT MCP arch: Ice Lake rev: 5 L2 cache: 6144 KiB flags: avx avx2 lm nx pae sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx bogomips: 19046 Speed: 555 MHz min/max: 400/3600 MHz Core speeds (MHz): 1: 1029 2: 1851 3: 1482 4: 3015 5: 1953 6: 1549 7: 2231 8: 3061 Graphics: Device-1: Intel Iris Plus Graphics G1 vendor: Dell driver: i915 v: kernel bus ID: 00:02.0 Device-2: Realtek Integrated_Webcam_HD type: USB driver: uvcvideo bus ID: 1-6:3 Display: x11 server: X.Org 1.20.8 driver: modesetting unloaded: fbdev,vesa resolution: 1920x1080~60Hz OpenGL: renderer: Mesa Intel UHD Graphics (ICL GT1) v: 4.6 Mesa 20.1.5 direct render: Yes corrado@corrado-n3-gg-0826:/sys/class/backlight/intel_backlight$ thanks, let me know if this info is sufficient -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1893568 Title: Screen brightness missing Status in linux package in Ubuntu: Incomplete Bug description: gnome-control-center - power - Screen brightness is missing. also on top bar Screen brightness control appears but does nothing. the problem does not happen on same PC, different partition with Ubuntu 20.04 ProblemType: Bug DistroRelease: Ubuntu 20.10 Package: gnome-control-center 1:3.37.90-1ubuntu2 ProcVersionSignature: Ubuntu 5.4.0-42.46-generic 5.4.44 Uname: Linux 5.4.0-42-generic x86_64 ApportVersion: 2.20.11-0ubuntu45 Architecture: amd64 CasperMD5CheckResult: skip CurrentDesktop: ubuntu:GNOME Date: Sun Aug 30 19:47:23 2020 ExecutablePath: /usr/bin/gnome-control-center InstallationDate: Installed on 2020-08-28 (2 days ago) InstallationMedia: Ubuntu 20.10 "Groovy Gorilla" - Alpha amd64 (20200826) SourcePackage: gnome-control-center UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1893568/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1893568] Re: Screen brightness missing
Please tell us the model of machine this is. Please also tell us what files, if any, you can find in /sys/class/backlight/ ** Package changed: gnome-control-center (Ubuntu) => linux (Ubuntu) ** Changed in: linux (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1893568 Title: Screen brightness missing Status in linux package in Ubuntu: Incomplete Bug description: gnome-control-center - power - Screen brightness is missing. also on top bar Screen brightness control appears but does nothing. the problem does not happen on same PC, different partition with Ubuntu 20.04 ProblemType: Bug DistroRelease: Ubuntu 20.10 Package: gnome-control-center 1:3.37.90-1ubuntu2 ProcVersionSignature: Ubuntu 5.4.0-42.46-generic 5.4.44 Uname: Linux 5.4.0-42-generic x86_64 ApportVersion: 2.20.11-0ubuntu45 Architecture: amd64 CasperMD5CheckResult: skip CurrentDesktop: ubuntu:GNOME Date: Sun Aug 30 19:47:23 2020 ExecutablePath: /usr/bin/gnome-control-center InstallationDate: Installed on 2020-08-28 (2 days ago) InstallationMedia: Ubuntu 20.10 "Groovy Gorilla" - Alpha amd64 (20200826) SourcePackage: gnome-control-center UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1893568/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
