Failed to set prot mask (Inappropriate ioctl for device)

C:\Android\platform-tools>adb push psneuter /data/local/tmp
1588 KB/s (557962 bytes in 0.343s)

C:\Android\platform-tools>adb push gfree /data/local/tmp
1803 KB/s (716548 bytes in 0.388s)

C:\Android\platform-tools>adb push busybox /data/local/tmp
1519 KB/s (1926944 bytes in 1.238s)

C:\Android\platform-tools>adb push hboot-eng.img /data/local/tmp
1483 KB/s (1048576 bytes in 0.690s)

C:\Android\platform-tools>adb push root_psn /data/local/tmp
61 KB/s (564 bytes in 0.009s)

C:\Android\platform-tools>adb push su /sdcard/
1117 KB/s (26324 bytes in 0.023s)

C:\Android\platform-tools>adb push Superuser.apk /sdcard/
1293 KB/s (196120 bytes in 0.148s)

C:\Android\platform-tools>adb shell chmod 755 /data/local/tmp/*

C:\Android\platform-tools>adb push recovery-clockwork-3.0.2.4-vision.img /data/local/tmp/recovery.img
1515 KB/s (4573184 bytes in 2.946s)

C:\Android\platform-tools>adb shell /data/local/tmp/psneuter
Failed to set prot mask (Inappropriate ioctl for device)

C:\Android\platform-tools>