by ziutek@Lnet.pl: What steps will reproduce the problem? Compile attached test code. Run it as root like this: # GOMAXPROCS=4 ./test 65534 65534 and note output: gorutine 1: uid=0 euid=0 gid=0 egid=0 gorutine 2: uid=0 euid=0 gid=0 egid=0 gorutine 3: uid=0 euid=0 gid=0 egid=0 gorutine 4: uid=0 euid=0 gid=0 egid=0 gorutine 5: uid=0 euid=0 gid=0 egid=0 gorutine 6: uid=0 euid=0 gid=0 egid=0 gorutine