vmm: relax resume_vcpus's timeout

kzys · alxiord · commit 10d1f4aa59da · 2020-02-05T12:05:15.000+02:00
Starting 100 VMs on a EC2 m5d.metal host sometimes didn't work due to the timeout. Fixes #1555. Signed-off-by: Kazuyoshi Kato <katokazu@amazon.com>
diff --git a/src/vmm/src/lib.rs b/src/vmm/src/lib.rs
@@ -947,7 +947,7 @@ impl Vmm {
         for handle in self.vcpus_handles.iter() {
             match handle
                 .response_receiver()
-                .recv_timeout(Duration::from_millis(100))
+                .recv_timeout(Duration::from_millis(1000))
             {
                 Ok(VcpuResponse::Resumed) => (),
                 _ => return Err(StartMicrovmError::VcpuResume),

Original file line number	Diff line number	Diff line change
`@@ -947,7 +947,7 @@ impl Vmm {`
`947`	`947`	`for handle in self.vcpus_handles.iter() {`
`948`	`948`	`match handle`
`949`	`949`	`.response_receiver()`
`950`		`- .recv_timeout(Duration::from_millis(100))`
	`950`	`+ .recv_timeout(Duration::from_millis(1000))`
`951`	`951`	`{`
`952`	`952`	`Ok(VcpuResponse::Resumed) => (),`
`953`	`953`	`_ => return Err(StartMicrovmError::VcpuResume),`