Bug#1121622: dizzy: Crashes on launch

Nicolas Patrois nicolas.patrois at free.fr
Sat Nov 29 16:40:09 GMT 2025


Package: dizzy
Version: 0.3-5
Severity: important

Dear Maintainer,

When I run dizzy from an xterm, it crashes with these lines:

--- begin of output ---

GPU features: [x] GLSL     [x] FBOs
Shader compilation failed: 0(2) : warning C1503: undefined variable
"UNKNOWN_padsv_store_OP"
0(3) : warning C1503: undefined variable "var6"
0(1) : error C1008: undefined variable "UNKNOWN_padsv_store_OP"
0(3) : error C1008: undefined variable "var6"

Shader source:
void main() { float var1 = gl_TexCoord[0].x - 0.5; float var2 =
gl_TexCoord[0].y - 0.5;
UNKNOWN_padsv_store_OP;
float retval = ((sin((3.14159265358979 / (0.0001 + (2. * var6)))) / 2.) + 0.5);
gl_FragColor = vec4(vec3(retval), 1.0); }

Died at /usr/share/perl5/Dizzy/TextureGenerator.pm line 135.

--- end of output ---

Either my graphic card is not powerful enough, either my driver is not up to
date, or maybe something is missing in dizzy (var6 variable seems not to have
been defined).

Yours,
n.


-- System Information:
Debian Release: forky/sid
  APT prefers unstable
  APT policy: (500, 'unstable')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 6.17.8+deb14-amd64 (SMP w/12 CPU threads; PREEMPT)
Kernel taint flags: TAINT_PROPRIETARY_MODULE, TAINT_OOT_MODULE, TAINT_UNSIGNED_MODULE
Locale: LANG=fr_FR.UTF-8, LC_CTYPE=fr_FR.UTF-8 (charmap=UTF-8), LANGUAGE not set
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

Versions of packages dizzy depends on:
ii  libconvert-color-perl  0.18-1
ii  libopengl-perl         0.7004+dfsg-1
ii  libsdl-perl            2.548-6
ii  perl                   5.40.1-7

dizzy recommends no packages.

dizzy suggests no packages.

-- no debconf information



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