0x0cf2 ENE TechnologyInc0x6220 SD Card Reader (SG361) hangs on stick

Sticking device causes hang which times out with I/O errors and call traces

ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: udev 173-0ubuntu4
ProcVersionSignature: Ubuntu 3.0.0-13.22-generic 3.0.6
Uname: Linux 3.0.0-13-generic i686
ApportVersion: 1.23-0ubuntu4
Architecture: i386
Date: Sat Dec 3 19:02:39 2011
GvfsMonitorLog: Monitoring events. Press Ctrl+C to quit.
HotplugNewDevices: /dev/sdc /dev/sdc1
HotplugNewMounts:

InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release i386 (20101007)
Lsusb:
 Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
 Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
 Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
 Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
 Bus 004 Device 003: ID 0cf2:6220 ENE Technology, Inc. SD Card Reader (SG361)
MachineType: MICRO-STAR INC. MS-6580
ProcEnviron:
 PATH=(custom, no User Name)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.0.0-13-generic root=UUID=2d21dea9-c76a-4826-9337-30dd64b5d236 ro quiet splash vt.handoff=7
SourcePackage: udev
Symptom: storage
Title: Removable storage device not detected as block device
UdisksMonitorLog: Monitoring activity from the disks daemon. Press Ctrl+C to cancel.
UpgradeStatus: Upgraded to oneiric on 2011-11-22 (11 days ago)
dmi.bios.date: 05/19/2003
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: V3.7 0
dmi.board.name: MS-6580
dmi.board.vendor: MICRO-STAR INC.
dmi.board.version: 20A
dmi.chassis.asset.tag: 0123ABC
dmi.chassis.type: 3
dmi.chassis.vendor: Uknown Chassis Manufacture
dmi.chassis.version: Version 1.00
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrV3.70:bd05/19/2003:svnMICRO-STARINC.:pnMS-6580:pvr20A:rvnMICRO-STARINC.:rnMS-6580:rvr20A:cvnUknownChassisManufacture:ct3:cvrVersion1.00:
dmi.product.name: MS-6580
dmi.product.version: 20A
dmi.sys.vendor: MICRO-STAR INC.