WIP debug

2 files changed, 10 insertions, 0 deletions

diff --git a/pkg/tcpip/link/rawfile/rawfile_unsafe.go b/pkg/tcpip/link/rawfile/rawfile_unsafe.go
index 44e25d475..cf49ce572 100644
--- a/pkg/tcpip/link/rawfile/rawfile_unsafe.go
+++ b/pkg/tcpip/link/rawfile/rawfile_unsafe.go
@@ -19,6 +19,9 @@
 package rawfile
 
 import (
+	"runtime/debug"
+	"fmt"
+	"log"
 	"syscall"
 	"unsafe"
 
@@ -149,6 +152,11 @@ func BlockingReadv(fd int, iovecs []syscall.Iovec) (int, *tcpip.Error) {
 		n, _, e := syscall.RawSyscall(syscall.SYS_READV, uintptr(fd), uintptr(unsafe.Pointer(&iovecs[0])), uintptr(len(iovecs)))
 		if e == 0 {
 			return int(n), nil
+		} else if e != syscall.EAGAIN && e != syscall.EWOULDBLOCK && e != syscall.EINTR {
+			fmt.Println("BlockingReadv: RawSyscall failed ", e)
+			debug.PrintStack()
+			log.Fatal("BlockingReadv: RawSyscall failed ", e)
+//			return 0, TranslateErrno(e)
 		}
 
 		event := PollEvent{
diff --git a/pkg/tcpip/stack/stack.go b/pkg/tcpip/stack/stack.go
index 5ffb7166f..68abdb43b 100644
--- a/pkg/tcpip/stack/stack.go
+++ b/pkg/tcpip/stack/stack.go
@@ -21,6 +21,7 @@ package stack
 
 import (
 	"encoding/binary"
+	"fmt"
 	"sync/atomic"
 	"time"
 
@@ -615,6 +616,7 @@ func (*TransportEndpointInfo) IsEndpointInfo() {}
 // stack. Please refer to individual protocol implementations as to what options
 // are supported.
 func New(opts Options) *Stack {
+	fmt.Println("stack.New()")
 	clock := opts.Clock
 	if clock == nil {
 		clock = &tcpip.StdClock{}