This is the failing "swapon" sequence from updated Xenial i386 on vmware:
3915 open("/dev/sda2", O_RDONLY|O_LARGEFILE) = 3 3915 uname({sysname="Linux", nodename="v3ls1717", ...}) = 0 3915 ioctl(3, BLKGETSIZE64, [535822336]) = 0 3915 read(3, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 65536) = 65536 3915 close(3) = 0 3915 swapon("/dev/sda2", 0) = -1 EINVAL (Invalid argument)
Sequence is identical to other, native/amd64 system with same kernel version but without the problem where swapon() will return 0.
This is the failing "swapon" sequence from updated Xenial i386 on vmware:
3915 open("/dev/sda2", O_RDONLY| O_LARGEFILE) = 3 sysname= "Linux" , nodename= "v3ls1717" , ...}) = 0 0\0\0\0\ 0\0\0\0\ 0\0\0\0\ 0\0\0\0\ 0\0\0\0\ 0\0\0\0\ 0\0\0\0\ 0\0\0\0\ 0\0\0\0\ 0\0\0\0\ 0\0\0\0\ 0\0\0\0\ 0\0\0\0\ 0\0\0\0\ 0\0\0\0\ 0\0\0\0\ 0\0\0\0\ 0\0\0\0\ 0\0\0\0\ 0\0\0\0\ 0\0\0\0\ 0\0\0\0\ 0\0\0\0\ 0\0\0\0\ 0\0\0\0\ 0\0\0\0\ 0\0\0\0\ 0\0\0\0\ 0\0\0\0\ 0\0\0\0\ 0\0\0\0\ 0\0\0\0\ 0\0\0\0\ 0\0\0\0\ 0\0\0\0\ 0\0\0\0\ 0\0\0\0\ 0\0\0\0\ 0\0\0\0\ 0\0\0\0\ 0\0\0\0\ 0\0\0\0\ 0\0\0\0\ 0\0\0\0\ 0\0\0\0\ 0\0\0\0\ 0\0\0\0\ 0\0\0\0\ 0\0\0\0\ 0\0\0\0\ 0\0\0\0\ 0\0\0\0\ 0\0\0\0\ 0\0\0\0\ 0\0\0\0\ 0\0\0\0\ 0\0\0\0\ 0\0\0\0\ 0\0\0\0\ 0\0\0\0\ 0\0\0\0\ 0\0\0\0\ 0\0\0\0\ 0"..., 65536) = 65536
3915 uname({
3915 ioctl(3, BLKGETSIZE64, [535822336]) = 0
3915 read(3, "\0\0\0\
3915 close(3) = 0
3915 swapon("/dev/sda2", 0) = -1 EINVAL (Invalid argument)
Sequence is identical to other, native/amd64 system with same kernel version but without the problem where swapon() will return 0.