this usb wifi is not working
usb 1-1: new high speed USB device using ehci_hcd and address 5
usb 1-1: configuration #1 chosen from 1 choice
usb 1-1: USB disconnect, address 5
phy0 -> rt2x00usb_vendor_request: Error - Vendor Request 0x09 failed for offset 0x0000 with error -19.
phy0 -> rt2x00usb_vendor_request: Error - Vendor Request 0x07 failed for offset 0x04d0 with error -19.
phy0 -> rt2x00usb_vendor_request: Error - Vendor Request 0x06 failed for offset 0x04ce with error -19.
phy0 -> rt2x00usb_vendor_request: Error - Vendor Request 0x07 failed for offset 0x04d0 with error -19.
phy0 -> rt2x00usb_vendor_request: Error - Vendor Request 0x07 failed for offset 0x04ce with error -19.
phy0 -> rt2x00usb_vendor_request: Error - Vendor Request 0x07 failed for offset 0x0400 with error -19.
phy0 -> rt2500usb_init_eeprom: Error - Invalid RT chipset detected.
phy0 -> rt2x00lib_probe_dev: Error - Failed to allocate device.
BUG: unable to handle kernel NULL pointer dereference at 00000010
IP: [<c0127f52>] flush_workqueue+0xa/0x43
*pde = 00000000
Oops: 0000 [#1] SMP
Modules linked in: rt2500usb(+) rt2x00usb rt2x00lib rfkill led_class input_polldev mac80211 cfg80211 ossusb ich osscore 3c509 vfat fat ohci_hcd scsi_wait_scan sg pcmcia firmware_class yenta_socket rsrc_nonstatic pcmcia_core usblp battery ac
Pid: 5850, comm: modprobe Not tainted (2.6.26-tinycore #1)
EIP: 0060:[<c0127f52>] EFLAGS: 00010246 CPU: 0
EIP is at flush_workqueue+0xa/0x43
EAX: 00000000 EBX: d6296fe0 ECX: 00000046 EDX: 00000046
ESI: c04667e4 EDI: 00000000 EBP: ec922000 ESP: d6267db4
DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068
Process modprobe (pid: 5850, ti=d6266000 task=d81343a0 task.ti=d6266000)
Stack: d6296fe0 d6296fe0 d62961a0 efaaa211 ffffffed efaaac1f 00000246 d62614a0
d6296040 d6296fe0 d6296fe0 00000000 d6296fe0 d62961a0 ec922000 efaa6890
ec9bc800 ec922000 efabda6c efabd838 ec9bc800 c02b0208 00000000 ec92201c
Call Trace:
[<efaaa211>] rt2x00lib_remove_dev+0x30/0x51 [rt2x00lib]
[<efaaac1f>] rt2x00lib_probe_dev+0x2f3/0x30f [rt2x00lib]
[<efaa6890>] rt2x00usb_probe+0xdf/0x10d [rt2x00usb]
[<c02b0208>] usb_probe_interface+0xbb/0xe6
[<c023a598>] driver_probe_device+0x9d/0x114
[<c023a646>] __driver_attach+0x37/0x55
[<c0239f1d>] bus_for_each_dev+0x31/0x52
[<c023a44b>] driver_attach+0x11/0x13
[<c023a60f>] __driver_attach+0x0/0x55
[<c023a269>] bus_add_driver+0x91/0x194
[<c023a821>] driver_register+0x6d/0xc2
[<c02afe65>] usb_register_driver+0x5d/0xb4
[<c0137244>] sys_init_module+0x159f/0x173e
[<c012a2b8>] autoremove_wake_function+0x0/0x2b
[<efaab242>] rt2x00mac_bss_info_changed+0x0/0xbf [rt2x00lib]
[<c0102bf2>] syscall_call+0x7/0xb
[<c0350000>] rtl8139_init_one+0x801/0x897
=======================
Code: ff 90 0f ba 36 00 8b 44 24 04 83 c4 30 5b 5e 5f 5d c3 8d 50 10 e9 c2 fe ff ff 31 d2 e9 bb fe ff ff 57 89 c7 56 be e4 67 46 c0 53 <83> 78 10 00 75 05 be e8 67 46 c0 e8 0e 58 23 00 89 f0 e8 99 11
EIP: [<c0127f52>] flush_workqueue+0xa/0x43 SS:ESP 0068:d6267db4
---[ end trace b456a44a783a7656 ]---
if I unplug the usb dongle and plug 4 example an usb pendrive the pendrive is not recognized