[BUG] Displays GPU core count of -1

[Krepppa352]

Read the FAQ first

• I have checked the FAQ but the issue is not covered

Description

When I run fastfetch with this config (extract):

...
{
      "type": "gpu",
      "format": "{name} ({core-count}) - {temperature}",
      "temp": true
    }
...

it says I have a core count of -1
This is the full line for my GPU info:
GPU: AMD Radeon RX 6600 (-1) - 34.0°C
The exact model of the GPU is the GIGABYTE RX 6600 EAGLE.

Version used

fastfetch 2.34.1 (x86_64)

Bug prevalence

Always

Regression

Not sure

Installation

Package manager

Package manager

pacman

Screenshots

No response

Configuration

{
  "$schema": "https://github.com/fastfetch-cli/fastfetch/raw/dev/doc/json_schema.json",
  "modules": [
    {
      "type": "title",
      "format": "{user-name-colored}{at-symbol-colored}{host-name-colored}",
      "color": {
        "user": "38;2;255;142;236",
        "at": "37;1",
        "host": "38;2;158;158;255"
      }
    },
    {
      "type": "separator",
      "string": ""
    },
    "os",
    "host",
    "kernel",
    "uptime",
    "packages",
    "shell",
    {
      "type": "display",
      "format": "{width}x{height} @ {refresh-rate}Hz / {inch}\""
    },
    "de",
    "wm",
    "wmtheme",
    "theme",
    "icons",
    "font",
    "cursor",
    "terminal",
    "terminalfont",
    {
      "type": "cpu",
      "format": "{name} @ {freq-base} ({cores-physical}/{cores-logical}) - {temperature}",
      "temp": true
    },
    {
      "type": "gpu",
      "format": "{name} ({core-count}) - {temperature}",
      "temp": true
    },
    "memory",
    "swap",
    "disk",
    {
      "type": "localip",
      "key": "Local IP:",
      "format": "{1} ({ifname})"
    },
    "locale"
  ],
  "display": {
    "color": {
      "keys": "38;2;255;142;236",
      "separator": "37;1",
      "output": "38;2;158;158;255",
    },
    "percent": {
      "color": {
        "green": "38;2;255;142;236",
        "yellow": "light_blue",
        "red": "38;2;158;158;255"
      }
    },
    "temp": {
      "color": {
        "green": "38;2;255;142;236",
        "yellow": "light_blue",
        "red": "38;2;158;158;255"
      }
    }
  }
}

System information

[
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      "hostName": "Kaleida",
      "homeDir": "/home/krepppa253/",
      "exePath": "/usr/bin/fastfetch",
      "userShell": "/bin/fish"
    },
    "stat": 0.006000000052154064
  },
  {
    "type": "Separator",
    "error": "Unsupported for JSON format",
    "stat": 0.00016999989748001099
  },
  {
    "type": "OS",
    "result": {
      "buildID": "rolling",
      "codename": "",
      "id": "cachyos",
      "idLike": "arch",
      "name": "CachyOS Linux",
      "prettyName": "CachyOS",
      "variant": "",
      "variantID": "",
      "version": "",
      "versionID": ""
    },
    "stat": 0.018919999711215496
  },
  {
    "type": "Host",
    "error": "neither product_family nor product_name is set by O.E.M.",
    "stat": 0.10087799932807684
  },
  {
    "type": "Bios",
    "result": {
      "date": "03/22/2024",
      "release": "5.17",
      "vendor": "American Megatrends Inc.",
      "version": "4604",
      "type": "UEFI"
    },
    "stat": 0.030760000459849834
  },
  {
    "type": "Bootmgr",
    "result": {
      "name": "Linux Boot Manager",
      "firmware": "\\EFI\\SYSTEMD\\SYSTEMD-BOOTX64.EFI",
      "secureBoot": false
    },
    "stat": 0.1981480000540614
  },
  {
    "type": "Board",
    "result": {
      "name": "PRIME B450M-A II",
      "vendor": "ASUSTeK COMPUTER INC.",
      "version": "Rev X.0x",
      "serial": ""
    },
    "stat": 0.030168999917805195
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  {
    "type": "Chassis",
    "result": {
      "type": "Desktop",
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      "version": "",
      "serial": ""
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    "stat": 0.042860000394284725
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    "type": "Kernel",
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      "name": "Linux",
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      "version": "#1 SMP PREEMPT_DYNAMIC Thu, 02 Jan 2025 18:25:12 +0000",
      "displayVersion": "",
      "pageSize": 4096
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    "stat": 0.0007299995049834251
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    "type": "InitSystem",
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      "name": "systemd",
      "exe": "/usr/lib/systemd/systemd",
      "version": "257.1-1-arch",
      "pid": 1
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    "stat": 0.31278600078076124
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  {
    "type": "Uptime",
    "result": {
      "uptime": 5049280,
      "bootTime": "2025-01-19T12:40:19.283+0100"
    },
    "stat": 0.02821000013500452
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  {
    "type": "Loadavg",
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    "type": "Shell",
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      "version": "3.7.1",
      "tty": 0
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    "stat": 1.5456819999963045
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  {
    "type": "Editor",
    "error": "$VISUAL or $EDITOR not set",
    "stat": 0.005068999715149403
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    "type": "Display",
    "result": [
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        "id": 3615617738607510600,
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          "height": 1080
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          "width": 530,
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        "rotation": 0,
        "bitDepth": 0,
        "hdrStatus": "Unsupported",
        "type": "External",
        "manufactureDate": {
          "year": 2020,
          "week": 31
        },
        "serial": 51452371,
        "platformApi": "wayland-zwlr"
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      {
        "id": 825053252,
        "name": "W2242",
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        "scaled": {
          "width": 1050,
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        "physical": {
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        "hdrStatus": "Unsupported",
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    "type": "Brightness",
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    "type": "Monitor",
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    "type": "LM",
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      "service": "login",
      "type": "TTY",
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    "type": "WMTheme",
    "error": "Unknown WM: Hyprland",
    "stat": 0.0007599992677569389
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  {
    "type": "Theme",
    "error": "No themes found",
    "stat": 0.0696000000461936
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  {
    "type": "Icons",
    "error": "No icons could be found",
    "stat": 0.00036999955773353577
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  {
    "type": "Font",
    "error": "No fonts found",
    "stat": 0.0010999999940395355
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    "type": "Cursor",
    "result": {
      "theme": "Adwaita",
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    "type": "Wallpaper",
    "error": "Failed to detect the current wallpaper path",
    "stat": 0.00047999992966651917
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    "type": "Terminal",
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        "pretty": "JetBrainsMono-Regular (11pt)"
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    "type": "TerminalSize",
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    "type": "TerminalTheme",
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    "type": "CPU",
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    "error": "Unsupported for JSON format",
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      "slv": "4.60",
      "library": "EGL 1.5"
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    "type": "OpenCL",
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      "description": "TPM 2.0 Device"
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  {
    "type": "Version",
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      "cmakeBuiltType": "RelWithDebInfo",
      "compileTime": "Jan 13 2025, 09:14:06",
      "compiler": "gcc 14.2.1",
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      "libc": "glibc 2.40"
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Features built-in

threads
vulkan
wayland
xcb-randr
xrandr
drm
drm_amdgpu
gio
dconf
dbus
imagemagick7
chafa
zlib
xfconf
egl
glx
osmesa
opencl
libpulse
libddcutil
libelf
libzfs
Directx Headers
System yyjson
linux/videodev2
linux/wireless

[Krepppa352]

[SOLUTION]
I set the "driverSpecific" attribute to true, now it is displaying core count correctly.
The config (extract) now looks like this:

{
      "type": "gpu",
      "format": "{name} ({core-count}) @ {frequency} ({temperature})",
      "temp": true,
      "driverSpecific": true
    }

I noticed it didn't display a GPU frequency either, so that is fixed now as well.
I hope I can help anyone having the same issue.
Have a nice day :)

[CarterLi]

I set the "driverSpecific" attribute to true, now it is displaying core count correctly.

That's it. Acquiring these information requires connecting GPU driver which can be very costy, especially on a dual-gpu platform. Therefore I added this attribute and defaulted it to false.