[Xen-users] Problem compiling Xen-4.7 with qemu-traditional for IGD passthrough

[Bill Mccabe <wmccabe@xxxxxxxxx>]

Hi,

I have an old thinkpad x201 tablet which has Vt-d support enabled and I am trying to perform igd passthrough in Xen.

It is my understanding that in order to attempt to do this I need to compile Xen with qemu-traditional.

However, the building of the Xen-4.7 package fails with the qemu-traditional option enabled with the following error:

ld -melf_i386 -s -r 32bitbios.o tcgbios/tcgbiosext.o util.o pmm.o -o 32bitbios_all.o

There are undefined symbols in the BIOS:

         U _GLOBAL_OFFSET_TABLE_

Makefile:25: recipe for target '32bitbios_all.o' failed

make[11]: *** [32bitbios_all.o] Error 11

make[11]: Leaving directory '/usr/local/src/xen-4.7.0/debian/build/build-utils_amd64/tools/firmware/rombios/32bit'

Makefile:12: recipe for target 'all' failed

make[10]: *** [all] Error 2

make[10]: Leaving directory '/usr/local/src/xen-4.7.0/debian/build/build-utils_amd64/tools/firmware/rombios/32bit'

/usr/local/src/xen-4.7.0/debian/build/build-utils_amd64/tools/firmware/rombios/../../../tools/Rules.mk:218: recipe for target 'subdir-all-32bit' failed

make[9]: *** [subdir-all-32bit] Error 2

make[9]: Leaving directory '/usr/local/src/xen-4.7.0/debian/build/build-utils_amd64/tools/firmware/rombios'

/usr/local/src/xen-4.7.0/debian/build/build-utils_amd64/tools/firmware/rombios/../../../tools/Rules.mk:213: recipe for target 'subdirs-all' failed

make[8]: *** [subdirs-all] Error 2

I am compiling Xen-4.7 from the ubuntu source package using dpkg-buildpackage -rfakeroot on ubuntu Yakkety 16.10 with the following configure options:

 --disable-docs --disable-stubdom --disable-xen \

                        --prefix=/usr \

                        --includedir=/usr/include \

                        --libdir=/usr/lib/$(DEB_HOST_MULTIARCH) \

                        --mandir=/usr/share/man \

                        --infodir=/usr/share/info \

                        --sysconfdir=/etc \

                        --localstatedir=/var \

                        --with-libexec-leaf-dir=xen-$(VERSION) \

                        --disable-blktap1 \

                        --disable-blktap2 \

                        --disable-ocamltools \

                        --enable-qemu-traditional --enable-rombios \

                        --with-system-seabios=/usr/share/seabios/bios-256k.bin

Any ideas as to what might be causing the bios symbols to be unrecognized.

Thanks, Bill

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