opencode does not work on old cpu SIGILL error #59522

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1. opencode-agent commented on Oct 27, 2026

   

   opencode-agentBot

   on Oct 27, 2026 – with OpenCode Agent

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   Thanks for the report and the full error. Server process terminated by SIGILL means the OpenCode server that the desktop app starts crashed on a CPU instruction your processor doesn't support. The 2.1.4 Linux desktop app already ships the "baseline" build meant for older x64 CPUs, so we need a bit more detail to work out what's going on:

   • Your CPU model and its features. Please paste the output of:

     lscpu | grep -E 'Model name|Flags'

   • Your Linux distribution and version, for example the output of cat /etc/os-release.
   • The output from running the bundled server directly. It usually lives at /opt/OpenCode/resources/opencode-cli. Please paste everything it prints, including any crash or Illegal instruction text:

     /opt/OpenCode/resources/opencode-cli --version

   • Whether the CLI behaves the same way. If you also installed it with curl -fsSL https://opencode.ai/install | bash, does opencode in a terminal crash too?

   You can reply here with the details or edit the issue. If you edit it, please also leave a comment saying you've updated it, so we know you're done.

   Related issues, ordered from most to least likely to match (these were all on OpenCode 1.x and are closed):

   • Crash on older Intel Macs (Illegal instruction / AVX2 incompatibility) #24876: SIGILL on older Intel CPUs without AVX2; it explains the regular vs. baseline builds
   • zsh: illegal hardware instruction opencode #8345: illegal hardware instruction on an older CPU with the desktop app
   • SIGILL crash on AMD Ryzen Zen 3 (no AVX-512 support) — all sessions crash #38986: SIGILL in the Linux desktop app, blamed on CPU instruction support
   • we need opencode version 2.0 from this github site fast #59365: your earlier report about OpenCode not running on an older CPU
2. opencode-agent

   added

   triaging

   on Oct 27, 2026
3. sedgharib123 commented on Oct 27, 2026

   

   sedgharib123

   on Oct 27, 2026

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   yes my cpu is old i cant run the terminal version and the app version from opencode installer website but i can run the github version but i cant use it because of this (This version of OpenCode Desktop no longer supports free models. Update to the latest version at https://opencode.ai/download to keep using them) and the latest version in github is 1.19.4 so pls we need the latest version from github and please let the github version run in old pc
4. sedgharib123

   changed the title [-]Opencode the website version (not github version) does not work for me[/-] [+]opencode does not work on old cpu SIGILL error with supid bun version thing[/+] on Nov 2, 2026
5. sedgharib123

   changed the title [-]opencode does not work on old cpu SIGILL error with supid bun version thing[/-] [+]opencode does not work on old cpu SIGILL error[/+] on Nov 2, 2026
6. neriousy

   marked pls opencode returne back to nods better than bun to run in old hardware #61768 as a duplicate of this issue on Nov 5, 2026