after more hours of testing i do not get any more freeze with 5.7.0-994.20200511220
-- 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/1873594 Title: sporadic black screen freeze on lenovo e595 Ryzen 3700U Status in linux package in Ubuntu: Incomplete Bug description: Hi, i have sporadic black screen freeze on my lenovo e595 3700U during reboot. The only workaround till now is add "nomodeset" to GRUB_CMDLINE_LINUX_DEFAULT Problem occure also on linux-image-unsigned-5.6.5-050605-generic_5.6.5-050605.202004171629_amd64 and linux-image-unsigned-5.4.28-050428-generic_5.4.28-050428.202003250833_amd64 19.10 was working with 5.0 kernel regards ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: linux-image-5.4.0-24-generic 5.4.0-24.28 ProcVersionSignature: Ubuntu 5.4.0-24.28-generic 5.4.30 Uname: Linux 5.4.0-24-generic x86_64 ApportVersion: 2.20.11-0ubuntu27 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: gizzmo 1345 F.... pulseaudio /dev/snd/controlC1: gizzmo 1345 F.... pulseaudio CasperMD5CheckResult: skip CurrentDesktop: KDE Date: Sat Apr 18 21:28:37 2020 InstallationDate: Installed on 2020-04-18 (0 days ago) InstallationMedia: Kubuntu 20.04 LTS "Focal Fossa" - Beta amd64 (20200401) Lsusb: Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 003 Device 002: ID 0bda:b023 Realtek Semiconductor Corp. Bluetooth Radio Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub MachineType: LENOVO 20NFCTO1WW ProcFB: 0 EFI VGA ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-5.4.0-24-generic root=/dev/mapper/vgkubuntu-root ro nomodeset ip=dhcp RelatedPackageVersions: linux-restricted-modules-5.4.0-24-generic N/A linux-backports-modules-5.4.0-24-generic N/A linux-firmware 1.187 SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 03/30/2020 dmi.bios.vendor: LENOVO dmi.bios.version: R11ET36W (1.16 ) dmi.board.asset.tag: Not Available dmi.board.name: 20NFCTO1WW dmi.board.vendor: LENOVO dmi.board.version: Not Defined dmi.chassis.asset.tag: No Asset Information dmi.chassis.type: 10 dmi.chassis.vendor: LENOVO dmi.chassis.version: None dmi.modalias: dmi:bvnLENOVO:bvrR11ET36W(1.16):bd03/30/2020:svnLENOVO:pn20NFCTO1WW:pvrThinkPadE595:rvnLENOVO:rn20NFCTO1WW:rvrNotDefined:cvnLENOVO:ct10:cvrNone: dmi.product.family: ThinkPad E595 dmi.product.name: 20NFCTO1WW dmi.product.sku: LENOVO_MT_20NF_BU_Think_FM_ThinkPad E595 dmi.product.version: ThinkPad E595 dmi.sys.vendor: LENOVO To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1873594/+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