Cannot locate symbol "_ZN11unwindstack8Unwinder11FormatFrameEm"

[faveoled]

Any ideas how to fix this?

root@droidian:~# test_hwcomposer
cannot locate symbol "_ZN11unwindstack8Unwinder11FormatFrameEm" referenced by "/android/vendor/lib64/libladder.so"...
test_hwcomposer: test_common.cpp:370: HWComposer* create_hwcomposer_window(): Assertion `err == 0' failed.
Aborted (core dumped)

droidian@droidian:~$ ldd /vendor/lib64/libladder.so
	linux-vdso.so.1 (0x0000007f94b63000)
	libtls-padding.so => /lib/aarch64-linux-gnu/libtls-padding.so (0x0000007f94af0000)
	libgtk6216workaround.so => /lib/aarch64-linux-gnu/libgtk6216workaround.so (0x0000007f94ac0000)
	libglesshadercache.so => /lib/aarch64-linux-gnu/libglesshadercache.so (0x0000007f94a90000)
	libunwindstack.so => not found
	liblog.so => not found
	libbase.so => not found
	libc++.so => not found
	libc.so => not found
	libm.so => not found
	libdl.so => not found
	libc.so.6 => /lib/aarch64-linux-gnu/libc.so.6 (0x0000007f948d0000)
	libGLESv2.so.2 => /lib/aarch64-linux-gnu/libGLESv2.so.2 (0x0000007f94880000)
	libGL.so.1 => /lib/aarch64-linux-gnu/libGL.so.1 (0x0000007f94780000)
	libz.so.1 => /lib/aarch64-linux-gnu/libz.so.1 (0x0000007f94740000)
	/lib/ld-linux-aarch64.so.1 (0x0000007f94b26000)
	libGLdispatch.so.0 => /lib/aarch64-linux-gnu/libGLdispatch.so.0 (0x0000007f945b0000)
	libGLX.so.0 => /lib/aarch64-linux-gnu/libGLX.so.0 (0x0000007f94550000)
	libX11.so.6 => /lib/aarch64-linux-gnu/libX11.so.6 (0x0000007f943f0000)
	libxcb.so.1 => /lib/aarch64-linux-gnu/libxcb.so.1 (0x0000007f943a0000)
	libXau.so.6 => /lib/aarch64-linux-gnu/libXau.so.6 (0x0000007f94370000)
	libXdmcp.so.6 => /lib/aarch64-linux-gnu/libXdmcp.so.6 (0x0000007f94340000)
	libbsd.so.0 => /lib/aarch64-linux-gnu/libbsd.so.0 (0x0000007f94300000)
	libmd.so.0 => /lib/aarch64-linux-gnu/libmd.so.0 (0x0000007f942d0000)

[faveoled]

Looks like it was caused by a mismatched Droidian API version (VNDK) - 30 vs 29 needed