Acer Aspire Z5761 All-In-One always freezes on wake from Suspend?

darkstrike

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Hi all - not sure if this is the right place to post this as this is my first time posting here, but I thought I'd try posting on the overarching Linux forum rather than the Mint / MX Linux and Linux Lite forums as I've not managed to get any help there. :)

I just installed the latest version of Linux Lite onto my older Acer Aspire Z5761 All-In-One PC. I'm not new to Linux (my daily driver laptop runs Linux Mint, my 'tinkering' laptop runs MX Linux and my HTPC runs Linux Mint as well) but this is my first time installing Linux Lite. I'm a tech. guy and do computer help and repairs as a side business, but I wouldn't call myself a 'Linux Guru'...fairly advanced user, maybe, but I'm not one of you folks that can do everything through Terminal! ;)

Basically....the install went fine and everything works perfectly EXCEPT Sleep/Suspend. System specs:
Code:
System:
  Kernel: 5.15.0-60-generic x86_64 bits: 64 compiler: N/A
  parameters: BOOT_IMAGE=/boot/vmlinuz-5.15.0-60-generic
  root=UUID=82a44c8d-3646-49b2-b8e0-eb7844a44320 ro quiet splash
  vt.handoff=7
  Desktop: Xfce 4.16.0 tk: Gtk 3.24.23 info: xfce4-panel wm: xfwm4
  dm: LightDM 1.30.0 Distro: Linux Lite 6.2 LTS
  base: Ubuntu 22.04.2 LTS (Jammy Jellyfish)
Machine:
  Type: Desktop Mobo: Acer model: Aspire Z5761 serial: <filter>
  UEFI: American Megatrends v: P01-A1 date: 12/06/2010
CPU:
  Topology: Quad Core model: Intel Core i5-2400S bits: 64 type: MCP
  arch: Sandy Bridge family: 6 model-id: 2A (42) stepping: 7 microcode: 2F
  L2 cache: 6144 KiB
  flags: avx lm nx pae sse sse2 sse3 sse4_1 sse4_2 ssse3 bogomips: 19954
  Speed: 2832 MHz min/max: 1600/3300 MHz Core speeds (MHz): 1: 1596 2: 1596
  3: 1596 4: 1596
  Vulnerabilities: Type: itlb_multihit status: KVM: VMX unsupported
  Type: l1tf mitigation: PTE Inversion
  Type: mds mitigation: Clear CPU buffers; SMT disabled
  Type: meltdown mitigation: PTI
  Type: mmio_stale_data status: Unknown: No mitigations
  Type: retbleed status: Not affected
  Type: spec_store_bypass
  mitigation: Speculative Store Bypass disabled via prctl and seccomp
  Type: spectre_v1
  mitigation: usercopy/swapgs barriers and __user pointer sanitization
  Type: spectre_v2 mitigation: Retpolines, IBPB: conditional, IBRS_FW,
  STIBP: disabled, RSB filling, PBRSB-eIBRS: Not affected
  Type: srbds status: Not affected
  Type: tsx_async_abort status: Not affected
Graphics:
  Device-1: Intel 2nd Generation Core Processor Family Integrated Graphics
  vendor: Acer Incorporated ALI driver: i915 v: kernel bus ID: 00:02.0
  chip ID: 8086:0102
  Display: x11 server: X.Org 1.21.1.3 driver: modesetting
  unloaded: fbdev,vesa resolution: 1920x1080~60Hz
  OpenGL: renderer: Mesa Intel HD Graphics 2000 (SNB GT1) v: 3.3 Mesa 22.2.5
  direct render: Yes
Audio:
  Device-1: Intel 6 Series/C200 Series Family High Definition Audio
  vendor: Acer Incorporated ALI driver: snd_hda_intel v: kernel
  bus ID: 00:1b.0 chip ID: 8086:1c20
  Device-2: Chicony CNFA213 type: USB driver: snd-usb-audio,uvcvideo
  bus ID: 1-1.5:4 chip ID: 04f2:b1f3 serial: <filter>
  Sound Server: ALSA v: k5.15.0-60-generic
Network:
  Device-1: Intel 82579LM Gigabit Network vendor: Acer Incorporated ALI
  driver: N/A port: f080 bus ID: 00:19.0 chip ID: 8086:1502
  Device-2: Realtek RTL8191SU 802.11n WLAN Adapter type: USB driver: r8712u
  bus ID: 2-1.8:4 chip ID: 0bda:8172 serial: <filter>
  IF: wlx68a3c408d9c4 state: up mac: <filter>
Drives:
  Local Storage: total: 465.76 GiB used: 16.32 GiB (3.5%)
  SMART Message: Required tool smartctl not installed. Check --recommends
  ID-1: /dev/sda vendor: Seagate model: ST3500413AS size: 465.76 GiB
  block size: physical: 512 B logical: 512 B speed: 6.0 Gb/s
  rotation: 7200 rpm serial: <filter> rev: JC66 scheme: GPT
Partition:
  ID-1: / raw size: 465.26 GiB size: 457.77 GiB (98.39%)
  used: 16.31 GiB (3.6%) fs: ext4 dev: /dev/sda2
Sensors:
  System Temperatures: cpu: 32.0 C mobo: N/A
  Fan Speeds (RPM): N/A
Repos:
  Active apt repos in: /etc/apt/sources.list
  1: deb http://ca.archive.ubuntu.com/ubuntu/ jammy main restricted
  2: deb http://ca.archive.ubuntu.com/ubuntu/ jammy-updates main restricted
  3: deb http://ca.archive.ubuntu.com/ubuntu/ jammy universe
  4: deb http://ca.archive.ubuntu.com/ubuntu/ jammy-updates universe
  5: deb http://ca.archive.ubuntu.com/ubuntu/ jammy multiverse
  6: deb http://ca.archive.ubuntu.com/ubuntu/ jammy-updates multiverse
  7: deb http://ca.archive.ubuntu.com/ubuntu/ jammy-backports main restricted universe multiverse
  8: deb http://archive.canonical.com/ubuntu jammy partner
  9: deb http://ca.archive.ubuntu.com/ubuntu/ jammy-security main restricted
  10: deb http://ca.archive.ubuntu.com/ubuntu/ jammy-security universe
  11: deb http://ca.archive.ubuntu.com/ubuntu/ jammy-security multiverse
  Active apt repos in: /etc/apt/sources.list.d/google-chrome.list
  1: deb [arch=amd64] https://dl.google.com/linux/chrome/deb/ stable main
  Active apt repos in: /etc/apt/sources.list.d/linuxlite.list
  1: deb http://repo.linuxliteos.com/linuxlite/ fluorite main
  Active apt repos in: /etc/apt/sources.list.d/skype-stable.list
  1: deb [arch=amd64] https://repo.skype.com/deb stable main
  Active apt repos in: /etc/apt/sources.list.d/spotify.list
  1: deb http://repository.spotify.com stable non-free
  Active apt repos in: /etc/apt/sources.list.d/teejee2008-ubuntu-foss-jammy.list
  1: deb https://ppa.launchpadcontent.net/teejee2008/foss/ubuntu/ jammy main
  Active apt repos in: /etc/apt/sources.list.d/teejee2008-ubuntu-ppa-jammy.list
  1: deb https://ppa.launchpadcontent.net/teejee2008/ppa/ubuntu/ jammy main
Info:
  Processes: 235 Uptime: 30m Memory: 5.65 GiB used: 1.38 GiB (24.4%)
  Init: systemd v: 249 runlevel: 5 Compilers: gcc: 11.3.0 alt: 11/12/9
  Shell: bash v: 5.1.16 running in: xfce4-terminal inxi: 3.0.38

When I put the machine to sleep, all is well - when I try to wake it up, all also SEEMS to go fine EXCEPT that within about 5-10 seconds of waking to the desktop, the entire system freezes and I have to do a hard restart...

I've reinstalled Linux Lite twice now to make sure it's not a corruption issue...still does the freezing thing both times. I also tried installing MX Linux to the hard drive and it has the same freeze-on-wake issue there too. I ALSO tried booting from a Linux Mint USB and then Suspend/Sleep from the Linux Mint USB.....same issue there too.

Trying different kernels didn't help....I didn't try it under Linux Lite, but under MX Linux I tried an older 4.9 kernel and a later 6.0 kernel and the freezing issue happened in those too.

I don't THINK it's the WiFi reconnecting because I've tried telling the machine (under Linux Lite anyway) to forget the network so the WiFi wasn't trying to connect on Wake but the freeze still happens...unless it's some sort of WiFi driver issue...?

It's frustrating because the machine works flawlessly otherwise! Yes, I know I could just set it to never go to sleep, but it's going to be going to an elderly friend of the family who doesn't have a lot of money but uses their computer a lot, so I would prefer to get Suspend/Sleep working correctly to save on their electrical bill...

Anybody have any ideas what would be going, where I could look to figure it out, or how I could go about get it working correctly?

Thanks! :)
 


I would prefer to get Suspend/Sleep working correctly to save on their electrical bill...

This is not a solution. Someone thinking better than I may have a solution.

I just wanted to remark that shutting the screen off and letting the CPU idle (with that generation CPU) will consume very little electricity. They're amazing buggers these days and their ability to throttle back on the power consumption is pretty impressive. It's not like ye olde P4s which you could substitute for a floor heater.

But, someone here may have a real solution. I'm only here sparingly for the time being.
 
This is not a solution. Someone thinking better than I may have a solution.

I just wanted to remark that shutting the screen off and letting the CPU idle (with that generation CPU) will consume very little electricity. They're amazing buggers these days and their ability to throttle back on the power consumption is pretty impressive. It's not like ye olde P4s which you could substitute for a floor heater.

But, someone here may have a real solution. I'm only here sparingly for the time being.
Yeah, I had another similar Gateway All-In-One that a friend owns that they run MX Linux on. Gateway is owned by Acer, so the board in that is basically a Gateway-specific variant of the same board in this Acer....he was having the same wake-from-Suspend issue I am having, but he just disabled Suspend and told the computer to shut the screen fully off when idle. It works, but still....it would be nice to get Suspend working fully correctly if possible! :)
 


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