DecklinkLink SDI 4K - 4.10.0-40-lowlatency. dkms issue?

Hi All,
Trying to install the software to run a DeckLink SDI 4K card in a MacPro 1,1 running lubuntu.

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Error messages:
dkms build -m blackmagic -v 10.4.2a18
---

Kernel preparation unnecessary for this kernel.  Skipping...

Building module:
cleaning build area...
make -j4 KERNELRELEASE=4.10.0-40-lowlatency KERNELRELEASE=4.10.0-40-lowlatency...(bad exit status: 2)
ERROR: Cannot create report: [Errno 17] File exists: '/var/crash/desktopvideo.0.crash'
Error! Bad return status for module build on kernel: 4.10.0-40-lowlatency (x86_64)
Consult /var/lib/dkms/blackmagic/10.4.2a18/build/make.log for more information.

dkms build -m blackmagic-io -v 10.4.2a18
---

Kernel preparation unnecessary for this kernel.  Skipping...

Building module:
cleaning build area...
make -j4 KERNELRELEASE=4.10.0-40-lowlatency KERNELRELEASE=4.10.0-40-lowlatency....(bad exit status: 2)
ERROR: Cannot create report: [Errno 17] File exists: '/var/crash/desktopvideo.0.crash'
Error! Bad return status for module build on kernel: 4.10.0-40-lowlatency (x86_64)
Consult /var/lib/dkms/blackmagic-io/10.4.2a18/build/make.log for more information.


The .crash file appears to have no info..
The DKMS make log is as follows :

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DKMS make.log for blackmagic-10.4.2a18 for kernel 4.10.0-40-lowlatency (x86_64)
Tue Jan 16 16:10:17 GMT 2018
make -C /lib/modules/4.10.0-40-lowlatency/build M=/var/lib/dkms/blackmagic/10.4.2a18/build
make[1]: Entering directory '/usr/src/linux-headers-4.10.0-40-lowlatency'
  LD      /var/lib/dkms/blackmagic/10.4.2a18/build/built-in.o
  CC [M]  /var/lib/dkms/blackmagic/10.4.2a18/build/blackmagic_serial.o
  CC [M]  /var/lib/dkms/blackmagic/10.4.2a18/build/blackmagic_lib.o
  CC [M]  /var/lib/dkms/blackmagic/10.4.2a18/build/blackmagic_core.o
  CC [M]  /var/lib/dkms/blackmagic/10.4.2a18/build/blackmagic_dma.o
/var/lib/dkms/blackmagic/10.4.2a18/build/blackmagic_dma.c:49:22: fatal error: asm/i387.h: No such file or directory
 #include <asm/i387.h>
                      ^
compilation terminated.
scripts/Makefile.build:294: recipe for target '/var/lib/dkms/blackmagic/10.4.2a18/build/blackmagic_dma.o' failed
make[2]: *** [/var/lib/dkms/blackmagic/10.4.2a18/build/blackmagic_dma.o] Error 1
make[2]: *** Waiting for unfinished jobs....
/var/lib/dkms/blackmagic/10.4.2a18/build/blackmagic_lib.c:52:22: fatal error: asm/i387.h: No such file or directory
 #include <asm/i387.h>
                      ^
compilation terminated.
scripts/Makefile.build:294: recipe for target '/var/lib/dkms/blackmagic/10.4.2a18/build/blackmagic_lib.o' failed
make[2]: *** [/var/lib/dkms/blackmagic/10.4.2a18/build/blackmagic_lib.o] Error 1
Makefile:1524: recipe for target '_module_/var/lib/dkms/blackmagic/10.4.2a18/build' failed
make[1]: *** [_module_/var/lib/dkms/blackmagic/10.4.2a18/build] Error 2
make[1]: Leaving directory '/usr/src/linux-headers-4.10.0-40-lowlatency'
Makefile:44: recipe for target 'all' failed
make: *** [all] Error 2

Possibly of interest...

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/var/lib/dkms/blackmagic/10.4.2a18/build/blackmagic_lib.c:52:22: fatal error: asm/i387.h: No such file or directory
 #include <asm/i387.h>
                      ^
compilation terminated.

More info :

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~/Downloads/Blackmagic_Desktop_Video_Linux_10.4.2/deb/amd64$ sudo dkms status
bbswitch, 0.8, 4.10.0-40-lowlatency, x86_64: installed
blackmagic, 10.4.2a18: added
blackmagic-io, 10.4.2a18: added
nvidia-340, 340.102, 4.10.0-40-lowlatency, x86_64: installed


I'm beginning to wonder if this driver will work with my Kernel. Anybody any suggestions for a solution, or a system that works? I don't mind rebuilding...


Many Thanks.