camera IXUS 850 IS not oworking in Gutsy

My camera was perfectly working in feisty.
In Gusty I got
#dmesg
[ 2159.832000] usb 1-5: new full speed USB device using ohci_hcd and address 11
[ 2160.012000] usb 1-5: device descriptor read/64, error -62
[ 2160.296000] usb 1-5: device descriptor read/64, error -62
[ 2160.576000] usb 1-5: new full speed USB device using ohci_hcd and address 12
[ 2160.756000] usb 1-5: device descriptor read/64, error -62
[ 2161.040000] usb 1-5: device descriptor read/64, error -62
[ 2161.320000] usb 1-5: new full speed USB device using ohci_hcd and address 13
[ 2161.728000] usb 1-5: device not accepting address 13, error -62
[ 2161.904000] usb 1-5: new full speed USB device using ohci_hcd and address 14
[ 2162.312000] usb 1-5: device not accepting address 14, error -62

#lspci
00:00.0 RAM memory: nVidia Corporation MCP61 Memory Controller (rev a1)
00:01.0 ISA bridge: nVidia Corporation MCP61 LPC Bridge (rev a2)
00:01.1 SMBus: nVidia Corporation MCP61 SMBus (rev a2)
00:01.2 RAM memory: nVidia Corporation MCP61 Memory Controller (rev a2)
00:02.0 USB Controller: nVidia Corporation MCP61 USB Controller (rev a2)
00:02.1 USB Controller: nVidia Corporation MCP61 USB Controller (rev a2)
00:04.0 PCI bridge: nVidia Corporation MCP61 PCI bridge (rev a1)
00:05.0 Audio device: nVidia Corporation MCP61 High Definition Audio (rev a2)
00:06.0 IDE interface: nVidia Corporation MCP61 IDE (rev a2)
00:07.0 Bridge: nVidia Corporation MCP61 Ethernet (rev a2)
00:08.0 IDE interface: nVidia Corporation MCP61 SATA Controller (rev a2)
00:08.1 IDE interface: nVidia Corporation MCP61 SATA Controller (rev a2)
00:09.0 PCI bridge: nVidia Corporation MCP61 PCI Express bridge (rev a2)
00:0b.0 PCI bridge: nVidia Corporation MCP61 PCI Express bridge (rev a2)
00:0c.0 PCI bridge: nVidia Corporation MCP61 PCI Express bridge (rev a2)
00:0d.0 VGA compatible controller: nVidia Corporation GeForce 6100 nForce 430 (rev a2)
00:18.0 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] HyperTransport Technology Configuration
00:18.1 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] Address Map
00:18.2 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] DRAM Controller
00:18.3 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] Miscellaneous Control
01:08.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8139/8139C/8139C+ (rev 10)