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[Joseph Salisbury <joseph.salisbury@xxxxxxxxxxxxx>]

This issue appears to be an upstream bug, since you tested the latest
upstream kernel. Would it be possible for you to open an upstream bug
report[0]? That will allow the upstream Developers to examine the issue,
and may provide a quicker resolution to the bug.

Please follow the instructions on the wiki page[0]. The first step is to
email the appropriate mailing list. If no response is received, then a
bug may be opened on bugzilla.kernel.org.

Once this bug is reported upstream, please add the tag: 'kernel-bug-
reported-upstream'.

[0] https://wiki.ubuntu.com/Bugs/Upstream/kernel

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https://bugs.launchpad.net/bugs/1317591

Title:
  Need support for new AVM Wifi usb stick - AVM Fritz!WLAN AC 430
  [057c:8502]

Status in “linux” package in Ubuntu:
  Confirmed

Bug description:
  This is the most recent wifi dongle from AVM.
  Extracting the official windows 7 64bit binary driver and loading it with ndiswrapper doesn't work

  # ndiswrapper -l 
  fwlan6x_w7 : driver installed
  device (057C:8502) present

  
  # dmesg | egrep 'ndis|wlan' 
  [  777.438876] ndiswrapper (import:232): unknown symbol: ntoskrnl.exe:'ExEventObjectType'
  [  777.438891] ndiswrapper (import:232): unknown symbol: ntoskrnl.exe:'isxdigit'
  [  777.438938] ndiswrapper (import:232): unknown symbol: ntoskrnl.exe:'_local_unwind'
  [  777.438954] ndiswrapper (import:232): unknown symbol: NDIS.SYS:'NdisAllocateNetBuffer'
  [  777.438964] ndiswrapper (import:232): unknown symbol: NDIS.SYS:'NdisFreeNetBuffer'
  [  777.438973] ndiswrapper (import:232): unknown symbol: NDIS.SYS:'NdisAllocateNetBufferList'
  [  777.438986] ndiswrapper (import:232): unknown symbol: NDIS.SYS:'NdisQueueIoWorkItem'
  [  777.439000] ndiswrapper (import:232): unknown symbol: NDIS.SYS:'NdisMIndicateStatusEx'
  [  777.439012] ndiswrapper (import:232): unknown symbol: NDIS.SYS:'NdisMOidRequestComplete'
  [  777.439021] ndiswrapper (import:232): unknown symbol: NDIS.SYS:'NdisMDeregisterMiniportDriver'
  [  777.439031] ndiswrapper (import:232): unknown symbol: NDIS.SYS:'NdisMRegisterMiniportDriver'
  [  777.439040] ndiswrapper (import:232): unknown symbol: NDIS.SYS:'NdisMFreePort'
  [  777.439054] ndiswrapper (import:232): unknown symbol: NDIS.SYS:'NdisFreeIoWorkItem'
  [  777.439064] ndiswrapper (import:232): unknown symbol: NDIS.SYS:'NdisMSetMiniportAttributes'
  [  777.439073] ndiswrapper (import:232): unknown symbol: NDIS.SYS:'NdisOpenConfigurationEx'
  [  777.439093] ndiswrapper (import:232): unknown symbol: NDIS.SYS:'NdisDeregisterDeviceEx'
  [  777.439107] ndiswrapper (import:232): unknown symbol: NDIS.SYS:'NdisAllocateIoWorkItem'
  [  777.439116] ndiswrapper (import:232): unknown symbol: NDIS.SYS:'NdisMIndicateReceiveNetBufferLists'
  [  777.439126] ndiswrapper (import:232): unknown symbol: NDIS.SYS:'NdisMSendNetBufferListsComplete'
  [  777.439135] ndiswrapper (import:232): unknown symbol: NDIS.SYS:'NdisFreeNetBufferList'
  [  777.439145] ndiswrapper (import:232): unknown symbol: NDIS.SYS:'NdisFreeNetBufferListPool'
  [  777.439154] ndiswrapper (import:232): unknown symbol: NDIS.SYS:'NdisFreeMdl'
  [  777.439164] ndiswrapper (import:232): unknown symbol: NDIS.SYS:'NdisAllocateMemoryWithTagPriority'
  [  777.439190] ndiswrapper (import:232): unknown symbol: NDIS.SYS:'NdisAllocateMdl'
  [  777.439199] ndiswrapper (import:232): unknown symbol: NDIS.SYS:'NdisMNetPnPEvent'
  [  777.439214] ndiswrapper (import:232): unknown symbol: NDIS.SYS:'NdisAllocateNetBufferListPool'
  [  777.439231] ndiswrapper (import:232): unknown symbol: NDIS.SYS:'NdisAllocateNetBufferAndNetBufferList'
  [  777.439241] ndiswrapper (import:232): unknown symbol: NDIS.SYS:'NdisAllocateNetBufferPool'
  [  777.439266] ndiswrapper (import:232): unknown symbol: NDIS.SYS:'NdisMAllocatePort'
  [  777.439275] ndiswrapper (import:232): unknown symbol: NDIS.SYS:'NdisFreeNetBufferPool'
  [  777.439285] ndiswrapper (import:232): unknown symbol: NDIS.SYS:'NdisRegisterDeviceEx'
  [  777.439293] ndiswrapper (import:232): unknown symbol: WDFLDR.SYS:'WdfVersionUnbindClass'
  [  777.439301] ndiswrapper (import:232): unknown symbol: WDFLDR.SYS:'WdfVersionBindClass'
  [  777.439308] ndiswrapper (import:232): unknown symbol: WDFLDR.SYS:'WdfVersionBind'
  [  777.439316] ndiswrapper (import:232): unknown symbol: WDFLDR.SYS:'WdfVersionUnbind'
  [  777.439320] ndiswrapper (load_sys_files:199): couldn't prepare driver 'fwlan6x_w7'
  [  777.439479] ndiswrapper (load_wrap_driver:121): couldn't load driver 'fwlan6x_w7'

  After some research this device turned out to have a Mediatek mt7610un chipset.
  There is an official driver on the mediatek website: http://www.mediatek.com/en/downloads/?sort=os

  We compiled the driver and copied the binary files from ~/mt7610u_wifi_sta_v3002_dpo_20130916/mcu/bin 
  to /lib/firmware.

  The result of sudo modprobe mt7650u_sta is:

  Mar  8 16:37:15 kernel: [  279.692549] ERROR!!! NICLoadFirmware
  failed, Status[=0x00000001]

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