Hi Matthew,
I was experimenting with kdump yesterday. It worked "out of the box" on
another computer of mine but not on the one with the freeze-on-resume
problem. However, I got several package upgrades yesterday, including a
new kernel 5.15.0-87-generic. I tried it and I was very surprised to see
that it did not freeze on resume. Then I booted 5.15.0-86-generic again
which I just confirmed a week ago to freeze but now it resumes without
problems as well.
Based on this I can only assume that some other package upgrade may have
fixed the problem. In any case, I think we can safely close this ticket
now, thanks a lot for you efforts!
** Description changed:
Dear Ubuntu Developers,
I have been using suspend-to-RAM using the pm-suspend command without
issues for around 2 years. After a recent kernel upgrade (from linux-
image-5.15.0-78-generic to linux-image-5.15.0-82-generic on a 20.04 LTS
release using linux-image-generic-hwe-20.04), my computer started
freezing upon resume without any kind of output (no HDMI signal, no
keyboard lights). I waited a few kernel upgrades in case it gets fixed
- but as of linux-modules-5.15.0-86-generic the issue still persists.
+ but as of linux-image-5.15.0-86-generic the issue still persists.
Since the machine always freezes immediately upon resuming, I don't know
how to troubleshoot the issue further. I can only investigate the logs
after a reboot but `journalctl -b -1` doesn't show anything either.
When booting linux-image-5.15.0-78-generic, everything works fine and I
am attaching the logs for a successful resume with this kernel version.
# lsb_release -rd
Description: Ubuntu 20.04.6 LTS
Release: 20.04
# inxi -Fz # (for the HW aspect, executed with the good kernel version)
System: Kernel: 5.15.0-78-generic x86_64 bits: 64 Desktop: Cinnamon 4.4.8
Distro: Ubuntu 20.04.6 LTS (Focal Fossa)
Machine: Type: Mini-pc System: ASUSTeK product: MINIPC PN50-E1 v: 0405
serial: <filter>
Mobo: ASUSTeK model: PN50-E1 serial: N/A UEFI: ASUSTeK v: 0405
date: 03/18/2021
CPU: Topology: 8-Core model: AMD Ryzen 7 4700U with Radeon Graphics
bits: 64 type: MCP L2 cache: 4096 KiB
Speed: 1397 MHz min/max: 1400/2000 MHz Core speeds (MHz): 1: 1399
2: 1396 3: 1397 4: 1397 5: 1397 6: 1397 7: 1258
8: 1330
Graphics: Device-1: Advanced Micro Devices [AMD/ATI] Renoir driver: amdgpu
v: kernel
Display: server: X.Org 1.20.13 driver: amdgpu,ati unloaded:
fbdev,modesetting,vesa resolution: 2560x1440~144Hz
OpenGL: renderer: AMD RENOIR (DRM 3.42.0 5.15.0-78-generic LLVM
12.0.0) v: 4.6 Mesa 21.2.6
Audio: Device-1: Advanced Micro Devices [AMD/ATI] driver: snd_hda_intel
Device-2: Advanced Micro Devices [AMD]
Raven/Raven2/FireFlight/Renoir Audio Processor driver: N/A
Device-3: Advanced Micro Devices [AMD] Family 17h HD Audio driver:
snd_hda_intel
Sound Server: ALSA v: k5.15.0-78-generic
Network: Device-1: Realtek RTL8125 2.5GbE driver: r8169
IF: enp2s0 state: down mac: <filter>
Device-2: Intel Wireless 8265 / 8275 driver: iwlwifi
IF: wlp3s0 state: up mac: <filter>
IF-ID-1: virbr0 state: down mac: <filter>
IF-ID-2: virbr0-nic state: down mac: <filter>
Thanks,
Zoltan
** Changed in: linux (Ubuntu)
Status: Incomplete => Invalid
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https://bugs.launchpad.net/bugs/2039388
Title:
Resuming from RAM causes a freeze after recent kernel upgrade
Status in linux package in Ubuntu:
Invalid
Bug description:
Dear Ubuntu Developers,
I have been using suspend-to-RAM using the pm-suspend command without
issues for around 2 years. After a recent kernel upgrade (from linux-
image-5.15.0-78-generic to linux-image-5.15.0-82-generic on a 20.04
LTS release using linux-image-generic-hwe-20.04), my computer started
freezing upon resume without any kind of output (no HDMI signal, no
keyboard lights). I waited a few kernel upgrades in case it gets fixed
but as of linux-image-5.15.0-86-generic the issue still persists.
Since the machine always freezes immediately upon resuming, I don't
know how to troubleshoot the issue further. I can only investigate the
logs after a reboot but `journalctl -b -1` doesn't show anything
either.
When booting linux-image-5.15.0-78-generic, everything works fine and
I am attaching the logs for a successful resume with this kernel
version.
# lsb_release -rd
Description: Ubuntu 20.04.6 LTS
Release: 20.04
# inxi -Fz # (for the HW aspect, executed with the good kernel
version)
System: Kernel: 5.15.0-78-generic x86_64 bits: 64 Desktop: Cinnamon 4.4.8
Distro: Ubuntu 20.04.6 LTS (Focal Fossa)
Machine: Type: Mini-pc System: ASUSTeK product: MINIPC PN50-E1 v: 0405
serial: <filter>
Mobo: ASUSTeK model: PN50-E1 serial: N/A UEFI: ASUSTeK v: 0405
date: 03/18/2021
CPU: Topology: 8-Core model: AMD Ryzen 7 4700U with Radeon Graphics
bits: 64 type: MCP L2 cache: 4096 KiB
Speed: 1397 MHz min/max: 1400/2000 MHz Core speeds (MHz): 1: 1399
2: 1396 3: 1397 4: 1397 5: 1397 6: 1397 7: 1258
8: 1330
Graphics: Device-1: Advanced Micro Devices [AMD/ATI] Renoir driver: amdgpu
v: kernel
Display: server: X.Org 1.20.13 driver: amdgpu,ati unloaded:
fbdev,modesetting,vesa resolution: 2560x1440~144Hz
OpenGL: renderer: AMD RENOIR (DRM 3.42.0 5.15.0-78-generic LLVM
12.0.0) v: 4.6 Mesa 21.2.6
Audio: Device-1: Advanced Micro Devices [AMD/ATI] driver: snd_hda_intel
Device-2: Advanced Micro Devices [AMD]
Raven/Raven2/FireFlight/Renoir Audio Processor driver: N/A
Device-3: Advanced Micro Devices [AMD] Family 17h HD Audio driver:
snd_hda_intel
Sound Server: ALSA v: k5.15.0-78-generic
Network: Device-1: Realtek RTL8125 2.5GbE driver: r8169
IF: enp2s0 state: down mac: <filter>
Device-2: Intel Wireless 8265 / 8275 driver: iwlwifi
IF: wlp3s0 state: up mac: <filter>
IF-ID-1: virbr0 state: down mac: <filter>
IF-ID-2: virbr0-nic state: down mac: <filter>
Thanks,
Zoltan
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