Public bug reported:
Expected:
When I choose Suspend from GNOME or trigger systemctl suspend, the desktop
should enter suspend-to-RAM and resume back into my existing GNOME session with
my windows still open.
Actual:
The system enters S3 sleep and then resumes, but GNOME Shell crashes
immediately after resume. I am returned to a fresh login/session and all open
desktop state is gone. The machine did not fully reboot; the current boot
remained active, but my graphical session was closed.
Steps to reproduce:
1. Boot Ubuntu 26.04 LTS on this system.
2. Log into the GNOME desktop.
3. Attempt to suspend from the GNOME power menu or with systemctl suspend.
4. Wake/resume the machine.
5. Observe that GNOME Shell/session has crashed and the user is returned to a
fresh login/session.
System:
- Ubuntu 26.04 LTS
- Kernel 7.0.0-22-generic
- ASUS PRIME Z390-A desktop motherboard, BIOS 2101 dated 2024-01-11
- NVIDIA GeForce GTX 1660 Ti
- nvidia-driver-595-open 595.71.05-0ubuntu0.26.04.1
- GNOME Shell 50.1 / mutter 50.1
- mem sleep mode: deep
Evidence:
- /sys/power/state contains: freeze mem disk
- /sys/power/mem_sleep reports: s2idle [deep]
- NVIDIA suspend/resume/hibernate systemd services are installed and enabled.
- Reproduction logs show PM: suspend entry (deep) at 09:46:43 and ACPI: PM:
Waking up from system sleep state S3 at 09:47:44.
- Resume logs show: xhci_hcd 0000:01:00.2: xHC error in resume, USBSTS 0x401,
Reinit
- PCI 0000:01:00.2 is the NVIDIA TU116 USB 3.1 Host Controller [10de:1aec].
- GNOME Shell then logged: clutter_frame_clock_dispatch: runtime check failed:
(frame_clock->mode == CLUTTER_FRAME_CLOCK_MODE_PASSIVE) at 09:47:46.
- /var/crash/_usr_bin_gnome-shell.1000.crash was generated with SignalName:
SIGSEGV and StacktraceTop: meta_logical_monitor_get_layout () from
/usr/lib/x86_64-linux-gnu/libmutter-18.so.0.
- gdm-password shows my session closed at 09:47:58 and a new session opened at
09:48:57.
- Kernel logs also show repeated NVRM: VM: invalid mmap context at 09:47:57.
- Current boot logs also show NVIDIA load-time warning "Unpatched return thunk
in use", NVIDIA GPU UCSI/I2C timeout errors, USB power-management warning, and
BIOS DMAR RMRR firmware warnings.
- A previous boot showed many nvidia-drm errors: Failed to allocate NVKMS
memory for GEM object, plus NVRM: VM: invalid mmap context.
Additional local files collected:
- /var/crash/_usr_bin_gnome-shell.1000.crash
- suspend-attempt-20260611-095051/
- suspend-linux-2026-06-11.apport
** Affects: gnome-shell (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/2156471
Title:
GNOME Shell crashes after S3 resume on Ubuntu 26.04 with NVIDIA 595
open driver
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