Got similar error messages on Ubuntu 16.04 with Linux 4.4 and NI-VISA-15.5.0.iso . Apr 4 20:50:41 flash nikal: CC [M] /var/lib/nikal/4.4.0-16-generic/nikal/nikal.o Apr 4 20:50:41 flash nikal: Building modules, stage 2. Apr 4 20:50:41 flash nikal: MODPOST 1 modules Apr 4 20:50:41 flash nikal: FATAL: modpost: GPL-incompatible module nikal.ko uses GPL-only symbol 'pgprot_writecombine' Apr 4 20:50:41 flash nikal: scripts/Makefile.modpost:91: recipe for target '__modpost' failed Apr 4 20:50:41 flash nikal: make[2]: *** [__modpost] Error 1 Apr 4 20:50:41 flash nikal: Makefile:1399: recipe for target 'modules' failed Apr 4 20:50:41 flash nikal: make[1]: *** [modules] Error 2 Apr 4 20:50:41 flash nikal: Makefile:32: recipe for target 'nikal.ko' failed Apr 4 20:50:41 flash nikal: make: *** [nikal.ko] Error 2 Apr 4 20:50:41 flash nikal: ERROR: failed to build nikal Apr 4 20:50:41 flash nikal: ERROR: NI-KAL update failed. Apr 4 20:50:41 flash nikal: ERROR: make of nikal kernel module failed, not installing kernel module. Apr 4 20:50:41 flash nikal: ERROR: updateNIDrivers should be called again after fixing the problem. Apr 4 20:50:41 flash nikal: ERROR: Update of National Instruments drivers failed. Apr 4 20:50:41 flash nimDNSResponder: mDNSResponder (Engineering Build) (Mar 4 2014 10:27:18) starting Apr 4 20:50:41 flash nimDNSResponder: mDNS_AddDNSServer: Lock not held! mDNS_busy (0) mDNS_reentrancy (0) Apr 4 20:50:41 flash kernel: [ 1448.939299] nipalk: Unknown symbol nNIKAL100_mapKernelToUser (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939308] nipalk: Unknown symbol nNIKAL100_pageUnlockUserPointer (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939313] nipalk: Unknown symbol nNIKAL100_releaseSpinLockDPC (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939317] nipalk: Unknown symbol nNIKAL100_acquireSemaphoreZeroTimeout (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939321] nipalk: Unknown symbol nNIKAL100_scheduleDPC (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939326] nipalk: Unknown symbol nNIKAL100_usbGetEndpointDescriptor (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939330] nipalk: Unknown symbol nNIKAL100_pciConfigRead16 (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939334] nipalk: Unknown symbol nNIKAL100_usbGetConfigurationDescriptor (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939338] nipalk: Unknown symbol nNIKAL100_usbUnlinkURB (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939343] nipalk: Unknown symbol nNIKAL100_printToDebugger (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939347] nipalk: Unknown symbol nNIKAL150_createMutex (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939351] nipalk: Unknown symbol nNIKAL150_releaseMutex (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939355] nipalk: Unknown symbol nNIKAL100_waitForSingleUseEvent (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939359] nipalk: Unknown symbol nNIKAL100_enumeratePCIBuses (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939363] nipalk: Unknown symbol nNIKAL100_waitForSingleUseEventTimeoutInterruptible (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939368] nipalk: Unknown symbol nNIKAL100_unregisterPCIDriver (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939372] nipalk: Unknown symbol nNIKAL100_pageLockUserPointer (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939376] nipalk: Unknown symbol nNIKAL100_setUSBDeviceIDTableElement (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939380] nipalk: Unknown symbol nNIKAL100_reserveInterrupt (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939385] nipalk: Unknown symbol nNIKAL100_ioRead16 (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939389] nipalk: Unknown symbol nNIKAL100_memoryWrite16 (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939393] nipalk: Unknown symbol nNIKAL100_setPCIDeviceIDTableElement (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939397] nipalk: Unknown symbol nNIKAL100_getPageSize (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939401] nipalk: Unknown symbol nNIKAL100_getTimerInterval (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939405] nipalk: Unknown symbol nNIKAL100_createDPC (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939410] nipalk: Unknown symbol nNIKAL100_initializeSingleUseEvent (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939414] nipalk: Unknown symbol nNIKAL100_releaseSemaphore (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939418] nipalk: Unknown symbol nNIKAL100_ioRead8 (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939422] nipalk: Unknown symbol nNIKAL100_usbSetConfiguration (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939426] nipalk: Unknown symbol nNIKAL100_registerPCIDriver (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939430] nipalk: Unknown symbol nNIKAL100_getPhysicalAddress (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939434] nipalk: Unknown symbol nNIKAL180_memMove (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939438] nipalk: Unknown symbol nNIKAL100_pciConfigRead32 (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939442] nipalk: Unknown symbol nNIKAL100_getPhysicalMemorySize (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939447] nipalk: Unknown symbol nNIKAL100_relinquishInterrupt (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939451] nipalk: Unknown symbol nNIKAL100_getKernelVersion (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939455] nipalk: Unknown symbol nNIKAL100_usbFreeURB (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939459] nipalk: Unknown symbol nNIKAL100_ioWrite16 (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939463] nipalk: Unknown symbol nNIKAL100_memoryRead32 (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939468] nipalk: Unknown symbol nNIKAL100_free (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939472] nipalk: Unknown symbol nNIKAL100_createUSBDeviceIDTable (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939476] nipalk: Unknown symbol nNIKAL100_ioRead32 (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939480] nipalk: Unknown symbol nNIKAL100_sleepTimeoutInterruptible (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939483] nipalk: Unknown symbol nNIKAL100_acquireSemaphoreInterruptible (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939487] nipalk: Unknown symbol nNIKAL100_createPCIDeviceIDTable (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939519] nipalk: Unknown symbol nNIKAL100_createSemaphore (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939527] nipalk: Unknown symbol nNIKAL200_isAddressableMemOver4G (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939533] nipalk: Unknown symbol nNIKAL100_destroySpinLock (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939539] nipalk: Unknown symbol nNIKAL100_usbSetInterface (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939545] nipalk: Unknown symbol nNIKAL180_memCpy (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939552] nipalk: Unknown symbol nNIKAL110_acquireSpinLockInterrupt (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939559] nipalk: Unknown symbol nNIKAL100_mapPhysicalToKernel (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939580] nipalk: Unknown symbol nNIKAL100_getNumberOfActiveProcessors (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939586] nipalk: Unknown symbol nNIKAL100_getThreadHandle (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939591] nipalk: Unknown symbol nNIKAL100_getTimeOfDayInterval (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939595] nipalk: Unknown symbol nNIKAL100_destroySemaphore (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939599] nipalk: Unknown symbol nNIKAL100_getThreadID (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939603] nipalk: Unknown symbol nNIKAL110_releaseSpinLockInterrupt (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939606] nipalk: Unknown symbol nNIKAL100_usbGetInterfaceDescriptor (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939610] nipalk: Unknown symbol nNIKAL100_memoryRead8 (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939614] nipalk: Unknown symbol nNIKAL150_acquireMutexZeroTimeout (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939618] nipalk: Unknown symbol nNIKAL100_pciConfigWrite8 (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939622] nipalk: Unknown symbol nNIKAL100_unregisterUSBDriver (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939626] nipalk: Unknown symbol nNIKAL100_acquireSemaphore (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939630] nipalk: Unknown symbol nNIKAL100_usbSubmitURB (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939635] nipalk: Unknown symbol nNIKAL100_memoryRead16 (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939639] nipalk: Unknown symbol nNIKAL100_pciConfigWrite16 (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939643] nipalk: Unknown symbol nNIKAL100_destroyUSBDeviceIDTable (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939647] nipalk: Unknown symbol nNIKAL100_unmapKernelFromUser (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939651] nipalk: Unknown symbol nNIKAL100_usbGetConfiguration (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939655] nipalk: Unknown symbol nNIKAL100_decrementDriverRefcount (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939659] nipalk: Unknown symbol nNIKAL100_ioWrite32 (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939663] nipalk: Unknown symbol nNIKAL100_createSpinLock (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939667] nipalk: Unknown symbol nNIKAL100_usbGetDeviceDescriptor (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939672] nipalk: Unknown symbol nNIKAL110_getTimerCount (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939676] nipalk: Unknown symbol nNIKAL100_destroyDPC (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939680] nipalk: Unknown symbol nNIKAL100_replicateInboundIOControlBuffer (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939684] nipalk: Unknown symbol nNIKAL100_memoryWrite8 (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939689] nipalk: Unknown symbol nNIKAL250_halt (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939694] nipalk: Unknown symbol nNIKAL100_sleepTimeout (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939700] nipalk: Unknown symbol nNIKAL100_usbSynchronousControlRequest (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939708] nipalk: Unknown symbol nNIKAL100_loadDriver (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939714] nipalk: Unknown symbol nNIKAL100_replicateOutboundIOControlBuffer (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939720] nipalk: Unknown symbol nNIKAL100_pciConfigWrite32 (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939728] nipalk: Unknown symbol nNIKAL100_usbGetInterface (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939734] nipalk: Unknown symbol nNIKAL100_incrementDriverRefcount (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939740] nipalk: Unknown symbol nNIKAL100_pciConfigRead8 (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939746] nipalk: Unknown symbol nNIKAL100_getTimeOfDay (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939753] nipalk: Unknown symbol nNIKAL100_unregisterDriver (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939758] nipalk: Unknown symbol nNIKAL100_destroyPCIDeviceIDTable (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939765] nipalk: Unknown symbol nNIKAL100_createSystemThread (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939771] nipalk: Unknown symbol nNIKAL150_destroyMutex (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939777] nipalk: Unknown symbol nNIKAL100_registerUSBDriver (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939784] nipalk: Unknown symbol nNIKAL100_releaseSingleUseEvent (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939790] nipalk: Unknown symbol nNIKAL100_mallocContiguous (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939796] nipalk: Unknown symbol nNIKAL100_memoryWrite32 (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939802] nipalk: Unknown symbol nNIKAL100_waitForSingleUseEventInterruptible (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939809] nipalk: Unknown symbol nNIKAL150_acquireMutex (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939817] nipalk: Unknown symbol nNIKAL100_waitForSingleUseEventTimeout (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939825] nipalk: Unknown symbol nNIKAL100_unmapPhysicalFromKernel (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939831] nipalk: Unknown symbol nNIKAL100_usbAllocateURB (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939836] nipalk: Unknown symbol nNIKAL100_acquireSpinLockDPC (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939842] nipalk: Unknown symbol nNIKAL100_malloc (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939849] nipalk: Unknown symbol nNIKAL100_vsnPrintf (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939857] nipalk: Unknown symbol nNIKAL100_registerDriver (err 0) Apr 4 20:50:41 flash kernel: [ 1448.939864] nipalk: Unknown symbol nNIKAL100_ioWrite8 (err 0)