[Kubuntu 18.10] Latest KWin 5.14.2 kept crashing and restarting on my hardware

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[Kubuntu 18.10] Latest KWin 5.14.2 kept crashing and restarting on my hardware

Jonty Gamao
I upgraded KWin to the latest version yesterday (from Kubuntu backports), and now it crashes frequently.  I have 1-2 VirtualBox VMs, a YouTube video, LibreOffice, Clementine, and a couple of Firefox windows open up, and KWin wouldn't stop restarting.

I tried running `ubuntu-bug kwin` and `ubuntu-bug kwin-x11`, but Apport says (both times) it's not an official Ubuntu package.

Basic specs of my hardware:
  • Core i5-6500
  • GTX 1060 6GB
  • 16GB RAM
My hardware info according to Ubuntu Report tool:
{
  "Version": "18.10",
  "OEM": {
    "Vendor": "MSI",
    "Product": "MS-7978"
  },
  "BIOS": {
    "Vendor": "American Megatrends Inc.",
    "Version": "C.C0"
  },
  "CPU": {
    "OpMode": "32-bit, 64-bit",
    "CPUs": "4",
    "Threads": "1",
    "Cores": "4",
    "Sockets": "1",
    "Vendor": "GenuineIntel",
    "Family": "6",
    "Model": "94",
    "Stepping": "3",
    "Name": "Intel(R) Core(TM) i5-6500 CPU @ 3.20GHz",
    "Virtualization": "VT-x"
  },
  "Arch": "amd64",
  "GPU": [
    {
      "Vendor": "10de",
      "Model": "1c03"
    }
  ],
  "RAM": 16.4,
  "Disks": [
    500.1,
    4000.8,
    256.1,
    2000.4,
    480.1,
    0,
    0,
    0,
    5001
  ],
  "Partitions": [
    240.1,
    0.2,
    3844.6,
    4883.6
  ],
  "Screens": [
    {
      "Size": "531mmx299mm",
      "Resolution": "1920x1080",
      "Frequency": "60.00"
    },
    {
      "Size": "598mmx336mm",
      "Resolution": "1920x1080",
      "Frequency": "74.97"
    }
  ],
  "Autologin": false,
  "LivePatch": false,
  "Session": {
    "DE": "KDE",
    "Name": "KDE",
    "Type": "x11"
  },
  "Language": "en_CA",
  "Timezone": "America/Toronto",
  "Install": {
    "Media": "Kubuntu 18.04.1 LTS \"Bionic Beaver\" - Release amd64 (20180725)",
    "Type": "KDE",
    "OEM": false,
    "PartitionMethod": "manual",
    "DownloadUpdates": true,
    "Language": "en",
    "Minimal": true,
    "RestrictedAddons": true,
    "Stages": {
      "0": "language",
      "2": "language",
      "39": "page",
      "46": "Form",
      "277": "Form",
      "789": "Form",
      "794": "Form",
      "847": "Form",
      "848": "Form",
      "952": "Form",
      "954": "Form",
      "984": "Form",
      "986": "Form",
      "1010": "start_install",
      "1013": "page",
      "1015": "Form",
      "1048": "user_done",
      "1808": "done"
    }
  },
  "Upgrade": {
    "From": "18.04",
    "InstallMedia": "Kubuntu 18.04.1 LTS \"Bionic Beaver\" - Release amd64 (20180725)",
    "Type": "Text",
    "ThirdPartySources": true,
    "Stages": {
      "0": "start",
      "4": "PREPARE",
      "11": "MODIFY_SOURCES",
      "275": "FETCH",
      "1401": "INSTALL",
      "1404": "INSTALL",
      "1447": "INSTALL",
      "2984": "POSTUPGRADE",
      "2985": "CLEANUP",
      "3301": "REBOOT"
    }
  }
}

Thanks, and let me know if you need anything else,
Jonas

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Re: [Kubuntu 18.10] Latest KWin 5.14.2 kept crashing and restarting on my hardware

Jonty Gamao
Hi Dan,

Thanks for sharing your experience.  I think the culprit behind the crashes and restarts is the KWin translucency script.  The crashes stopped after I disabled the script.  After tracing back in my head when the crashes started, I assumed it was after I enabled it.

Take care,
Jonas


From: Daniel Nemenyi <[hidden email]>
Sent: November 4, 2018 5:04 AM
To: [hidden email]
Subject: Re: [Kubuntu 18.10] Latest KWin 5.14.2 kept crashing and restarting on my hardware
 
Hi Jonas,

It might be coincidental but I also had problems with Kwin
restarting constantly after my upgrade from 18.04 to 18.10.

For me it was that apt hadn't fully upgraded all my packages. I
had to manually install the packages which `apt upgrade' was
telling me were in conflict, and then I had to run an `apt
dist-upgrade' in order to update all the packages which were being
held back. Since then it's worked fine.

Thought I'd share my experience in case it helps.

Best
Dan

Jonas Gamao <[hidden email]> writes:

> I upgraded KWin to the latest version yesterday (from Kubuntu
> backports), and now it crashes frequently.  I have 1-2
> VirtualBox VMs, a YouTube video, LibreOffice, Clementine, and a
> couple of Firefox windows open up, and KWin wouldn't stop
> restarting.
>
> I tried running `ubuntu-bug kwin` and `ubuntu-bug kwin-x11`, but
> Apport says (both times) it's not an official Ubuntu package.
>
> Basic specs of my hardware:
>
>   *   Core i5-6500
>   *   GTX 1060 6GB
>   *   16GB RAM
>
> My hardware info according to Ubuntu Report tool:
> {
>   "Version": "18.10",
>   "OEM": {
>     "Vendor": "MSI",
>     "Product": "MS-7978"
>   },
>   "BIOS": {
>     "Vendor": "American Megatrends Inc.",
>     "Version": "C.C0"
>   },
>   "CPU": {
>     "OpMode": "32-bit, 64-bit",
>     "CPUs": "4",
>     "Threads": "1",
>     "Cores": "4",
>     "Sockets": "1",
>     "Vendor": "GenuineIntel",
>     "Family": "6",
>     "Model": "94",
>     "Stepping": "3",
>     "Name": "Intel(R) Core(TM) i5-6500 CPU @ 3.20GHz",
>     "Virtualization": "VT-x"
>   },
>   "Arch": "amd64",
>   "GPU": [
>     {
>       "Vendor": "10de",
>       "Model": "1c03"
>     }
>   ],
>   "RAM": 16.4,
>   "Disks": [
>     500.1,
>     4000.8,
>     256.1,
>     2000.4,
>     480.1,
>     0,
>     0,
>     0,
>     5001
>   ],
>   "Partitions": [
>     240.1,
>     0.2,
>     3844.6,
>     4883.6
>   ],
>   "Screens": [
>     {
>       "Size": "531mmx299mm",
>       "Resolution": "1920x1080",
>       "Frequency": "60.00"
>     },
>     {
>       "Size": "598mmx336mm",
>       "Resolution": "1920x1080",
>       "Frequency": "74.97"
>     }
>   ],
>   "Autologin": false,
>   "LivePatch": false,
>   "Session": {
>     "DE": "KDE",
>     "Name": "KDE",
>     "Type": "x11"
>   },
>   "Language": "en_CA",
>   "Timezone": "America/Toronto",
>   "Install": {
>     "Media": "Kubuntu 18.04.1 LTS \"Bionic Beaver\" - Release
>     amd64 (20180725)",
>     "Type": "KDE",
>     "OEM": false,
>     "PartitionMethod": "manual",
>     "DownloadUpdates": true,
>     "Language": "en",
>     "Minimal": true,
>     "RestrictedAddons": true,
>     "Stages": {
>       "0": "language",
>       "2": "language",
>       "39": "page",
>       "46": "Form",
>       "277": "Form",
>       "789": "Form",
>       "794": "Form",
>       "847": "Form",
>       "848": "Form",
>       "952": "Form",
>       "954": "Form",
>       "984": "Form",
>       "986": "Form",
>       "1010": "start_install",
>       "1013": "page",
>       "1015": "Form",
>       "1048": "user_done",
>       "1808": "done"
>     }
>   },
>   "Upgrade": {
>     "From": "18.04",
>     "InstallMedia": "Kubuntu 18.04.1 LTS \"Bionic Beaver\" -
>     Release amd64 (20180725)",
>     "Type": "Text",
>     "ThirdPartySources": true,
>     "Stages": {
>       "0": "start",
>       "4": "PREPARE",
>       "11": "MODIFY_SOURCES",
>       "275": "FETCH",
>       "1401": "INSTALL",
>       "1404": "INSTALL",
>       "1447": "INSTALL",
>       "2984": "POSTUPGRADE",
>       "2985": "CLEANUP",
>       "3301": "REBOOT"
>     }
>   }
> }
>
> Thanks, and let me know if you need anything else,
> Jonas

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Re: [Kubuntu 18.10] Latest KWin 5.14.2 kept crashing and restarting on my hardware

Rik Mills-2
On 05/11/2018 09:27, Jonas Gamao wrote:
> Hi Dan,
>
> Thanks for sharing your experience.  I think the culprit behind the
> crashes and restarts is the KWin translucency script.  The crashes
> stopped after I disabled the script.  After tracing back in my head when
> the crashes started, I assumed it was after I enabled it.
>

Aha. Thanks for letting us know.

Rik


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