20101202 drag and drop to trash icon not working

Binary package hint: unity

Hello
I can drag and drop file as usual, but if i try to drop a file in the trash it restore in original position.
Trashing it from mouse menu work

ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: unity 3.2.2-0ubuntu2
ProcVersionSignature: Ubuntu 2.6.37-7.19-generic 2.6.37-rc3
Uname: Linux 2.6.37-7-generic x86_64
NonfreeKernelModules: nvidia
Architecture: amd64
CompizPlugins: [shift,wobbly]
Date: Thu Dec 2 12:26:47 2010
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Alpha amd64 (20101202)
InstallationMedia_: Ubuntu 11.04 "Natty Narwhal" - Alpha amd64 (20101202)
Lsusb:
 Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
 Bus 001 Device 002: ID 0718:0628 Imation Corp.
 Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
PciDisplay: 00:05.0 VGA compatible controller [0300]: nVidia Corporation C51G [GeForce 6100] [10de:0242] (rev a2) (prog-if 00 [VGA controller])
ProcEnviron:
 LANG=it_IT.utf8
 SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.37-7-generic root=UUID=46111216-ce23-4c42-b3fd-38bc69b623aa ro
ProcVersionSignature_: Ubuntu 2.6.37-7.19-generic 2.6.37-rc3
RelatedPackageVersions:
 xserver-xorg 1:7.5+6ubuntu3b1
 libgl1-mesa-glx 7.9+repack-1ubuntu2
 libdrm2 2.4.22-2ubuntu1
 xserver-xorg-video-intel 2:2.13.901-2ubuntu1
 xserver-xorg-video-ati 1:6.13.2-1ubuntu2
SourcePackage: unity
XorgLogOld:

dmi.bios.date: 11/03/2005
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: P1.50
dmi.board.asset.tag: 00000000
dmi.board.name: K8NF4G-SATA2
dmi.board.version: 1.00
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrP1.50:bd11/03/2005:svn:pnK8NF4G-SATA2:pvr1.00:rvn:rnK8NF4G-SATA2:rvr1.00:
dmi.product.name: K8NF4G-SATA2
dmi.product.version: 1.00
glxinfo: Error: [Errno 2] Nessun file o directory
system: distro = Ubuntu, architecture = x86_64, kernel = 2.6.37-7-generic