Hi! Thank you for your reply, the information is now sent as requested. On Fri, Oct 16, 2026 at 7:55 PM Changwei Zou <[email protected]> wrote:
> Thank you very much for reporting this issue. > Could you please provide more information? > Please boot into the Ubuntu kernel and run the following command in a > terminal > to collect debugging information and attach it to this report. > > $ sudo apport-collect 2170836 > > ** Changed in: linux (Ubuntu) > Status: New => Incomplete > > -- > You received this bug notification because you are subscribed to the bug > report. > https://bugs.launchpad.net/bugs/2170836 > > Title: > Suspend Incomplete and Hard Reset Required > > Status in linux package in Ubuntu: > Incomplete > > Bug description: > After upgrading to Ubuntu 26.04 LTS (kernel 7.0.0-38-generic), the > system fails to enter a proper low-power state on suspend. The display > turns off but the fans keep running, indicating the hardware is not > actually suspended. On wake, the system does not resume — a long-press > of the power button (hard reset) is the only way to recover. This > makes quick suspend/unsuspend cycles impossible without losing work. > > OS: Ubuntu 26.04 LTS "Resolute Raccoon" > Kernel: 7.0.0-38-generic > Suspend method: s2idle (confirmed via cat /sys/power/mem_sleep) > Motherboard: MSI MS-7C95 > CPU/GPU: AMD Cezanne (Radeon Vega Mobile, amdgpu driver) > BIOS: 2.N0 (09/02/2025) > > Steps to reproduce: > - Suspend the system (systemctl suspend or close lid). > - Display turns off; fans continue running (system is not in a low-power > state). > - Attempt to wake (power button / open lid). > - System does not wake — no response. > - Only recovery: hold power button until forced shutdown, then power on > again. > - Expected behaviour: > - System enters a genuine low-power state (fans stop or near-stop) and > resumes normally on power button / lid open. > > Regression: > This did not occur before the upgrade to Ubuntu 26.04 LTS. It appeared > immediately after the update. > > To manage notifications about this bug go to: > https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2170836/+subscriptions > > -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2170836 Title: Suspend Incomplete and Hard Reset Required To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2170836/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
