Trying to fix blkid thing. Add wayting for sysfs logic.

src/nyan_system.rs

@@ -22,6 +22,10 @@ use nix;
 use std::fs;
 use std::process::Command;
 
+
+// timeout for block deices population
+const WAIT_FOR_BLK_DEVS: u64 = 5u64;
+
 #[derive(Debug)]
 pub struct CommandFailed {
     pub stderr: Vec<u8>,
@@ -260,6 +264,29 @@ pub fn list_bzzpss_snaps(snaps_dir: &str) -> Result<Vec<String>, ExecCommandErro
     Ok(res)
 }
 
+
+// pulls /sys/class/block
+fn wait_for_block_devices(timeout_secs: u64) -> bool {
+    use std::path::Path;
+    use std::{thread, time::Duration};
+
+    let start = std::time::Instant::now();
+    while start.elapsed().as_secs() < timeout_secs {
+        // Check if any block device exists (e.g., sda, nvme0n1, vda)
+        // You can refine this to check for a specific device needed for root
+        if Path::new("/sys/class/block").read_dir().ok()
+            .and_then(|mut d| d.next().is_some().then_some(true))
+            .unwrap_or(false)
+        {
+            // Optional: Verify specific device needed for root exists
+            // if Path::new("/dev/nvme0n1").exists() { return true; }
+            return true;
+        }
+        thread::sleep(Duration::from_millis(100));
+    }
+    false
+}
+
 // mounting process
 //# Mount essential virtual filesystems
 // mount -t proc none /proc
@@ -291,15 +318,22 @@ pub fn prepare_env() -> Result<(), String> {
     )
     .map_err(|ex| format!("Error mounting /sys: {}", ex.to_string()))?;
 
+    if wait_for_block_devices(WAIT_FOR_BLK_DEVS) == false {
+        return Err("Waiting for block devices to get populated timed out.".to_string());
+    }
+
+    let dev_mount_flags = MsFlags::MS_NOSUID | MsFlags::MS_RELATIME;
     mount(
         Some("devtmpfs"),
         "/dev",
         Some("devtmpfs"),
-        MsFlags::empty(),
-        None::<&str>,
+        dev_mount_flags,
+        Some("mode=0755"),
     )
     .map_err(|ex| format!("Error mounting /dev: {}", ex.to_string()))?;
 
+
+
     // modprobe bcachefs
     // exec_command("modprobe", &vec!["bcachefs"])?;
     Ok(())