Thank you for taking the time to report this bug and helping to make Ubuntu better.
Please execute the following command only once, as it will automatically gather debugging information, in a terminal: apport-collect 1950436 When reporting bugs in the future please use apport by using 'ubuntu- bug' and the name of the package affected. You can learn more about this functionality at https://wiki.ubuntu.com/ReportingBugs. Please note: `ubuntu-bug`, `apport` & bug reporting tools are provided with Ubuntu by default, many require manual addition for some releases of downstream OSes based on Ubuntu (eg. Linux Mint). You should check with your distribution first. -- 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/1950436 Title: Linux Mint 20.2, Kernel 5.13.0-21 closing lid > screen granulation Status in linux package in Ubuntu: Confirmed Bug description: Hello, This problem happening only on Kernel 5.13.0-21, Linux Mint 20.2 Uma. I am facing trouble with suspending laptop while closing lid on my laptop. Opening lid and waking up laptop from suspension lead to screen granulation, see attached photo. On other kernel is no problem. Here are spec about my laptop. System: Kernel: 5.11.0-40-generic x86_64 bits: 64 compiler: N/A Desktop: Cinnamon 5.0.7 Distro: Linux Mint 20.2 Uma base: Ubuntu 20.04 focal Machine: Type: Laptop System: LENOVO product: 82LN v: IdeaPad 5 15ALC05 serial: <filter> Mobo: LENOVO model: LNVNB161216 v: NO DPK serial: <filter> UEFI: LENOVO v: H2CN14WW date: 04/01/2021 Battery: ID-1: BAT0 charge: 28.5 Wh condition: 57.0/57.0 Wh (100%) model: LGC L19L3PF2 status: Discharging CPU: Topology: 8-Core model: AMD Ryzen 7 5700U with Radeon Graphics bits: 64 type: MT MCP arch: Zen rev: 1 L2 cache: 4096 KiB flags: avx avx2 lm nx pae sse sse2 sse3 sse4_1 sse4_2 sse4a ssse3 svm bogomips: 57491 Speed: 1397 MHz min/max: 1400/1800 MHz Core speeds (MHz): 1: 1397 2: 1397 3: 1397 4: 1397 5: 1397 6: 1397 7: 1397 8: 1394 9: 1397 10: 1397 11: 1397 12: 1397 13: 1397 14: 1397 15: 1397 16: 1397 Graphics: Device-1: AMD vendor: Lenovo driver: amdgpu v: kernel bus ID: 03:00.0 Display: x11 server: X.Org 1.20.11 driver: amdgpu,ati unloaded: fbdev,modesetting,vesa resolution: 1920x1080~60Hz OpenGL: renderer: AMD RENOIR (DRM 3.40.0 5.11.0-40-generic LLVM 12.0.0) v: 4.6 Mesa 21.0.3 direct render: Yes To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1950436/+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