Go runtime fails to initialize in WebVM: "failed to get system page size"

[CompositeCoding]

Description

A minimal Go "Hello World" program fails to run due to the Go runtime's inability to determine system page size during initialization.

I am following this tutorial https://cheerpx.io/docs/tutorials/full_os

Im building the Go binary locally and adding it to the docker container

Steps to Reproduce

1. Create a minimal Go program:

   package main
   import "fmt"
   func main() {
       fmt.Println("Hello, World!")
   }

2. Compile for Linux 386:

   GOOS=linux GOARCH=386 go build .
   

3. Run the binary in WebVM:

   ./hello
   

Expected Behavior

Program should print "Hello, World!" and exit normally.

Actual Behavior

Program fails immediately with:

fatal error: failed to get system page size

runtime: panic before malloc heap initialized

runtime stack:
runtime.throw({0x8105613, 0x1e})
	/usr/local/go/src/runtime/panic.go:1094 +0x35 fp=0xc00ffd98 sp=0xc00ffd84 pc=0x
80bb2e5
runtime.mallocinit()
	/usr/local/go/src/runtime/malloc.go:389 +0x4c8 fp=0xc00ffdcc sp=0xc00ffd98 pc=0
x805d0b8
runtime.schedinit()
	/usr/local/go/src/runtime/proc.go:875 +0x111 fp=0xc00ffe10 sp=0xc00ffdcc pc=0x8
08b691
runtime.rt0_go()
	/usr/local/go/src/runtime/asm_386.s:243 +0x161 fp=0xc00ffe14 sp=0xc00ffe10 pc=0
x80becb1

Root Cause

The Go runtime fails during the earliest initialization phase because:

• The runtime requires system page size information to initialize memory management
• CheerpX's syscall implementation appears to not properly expose the page size information needed by the Go runtime
• This happens before the memory allocator can be initialized, causing an immediate panic

[CompositeCoding]

Ooh this should really be created with CheerpX

[CompositeCoding]

Looks like CheerpX is also made by you guys so re-opening :)

[saarikoski-jules]

Hi, thanks for reporting this issue. We've released a new version of CheerpX that fixes some initialization issues with go, including the one reported here. We're still working on some more fixes required for the basic example to compile.