KitKat on Hammerhead without mobile networks

[Dirk Jäckel]

Hi!

I built KitKat for Hammerhead with the binaries provided here: https://developers.google.com/android/nexus/drivers#hammerhead

It seems the mobile networks funtionality (2G, 3G and LTE) is missing. Camera, Wifi, Sound seems to be working.

When I insert a SIM-card it is not recognized.

When I try to detect a mobile network I get "Error while searching for network".

In the logs I see the following error:

11-07 17:26:47.168 E/RILD    ( 2050): dlopen failed: dlopen failed: could not load library "libvss_nv_iface.so" needed by "libril-qc-qmi-1.so"; caused by library "libvss_nv_iface.so" not found

Maybe this is releted?

In the past it was sometimes necessary to extract some binaries from installed phones. Is this the case here too?

Regards,
Dirk

[Dirk Jäckel]

Hi!

I managed to get 3G to work with the following fix.

1. Pull missing libraries (and other files) from a phone with an installed factory image:

adb pull system/app/OmaDmclient.apk
adb pull system/etc/DxHDCP.cfg
adb pull system/vendor/bin/vss_init
adb pull system/vendor/firmware/discretix/dxhdcp2.b00
adb pull system/vendor/firmware/discretix/dxhdcp2.b01
adb pull system/vendor/firmware/discretix/dxhdcp2.b02
adb pull system/vendor/firmware/discretix/dxhdcp2.b03
adb pull system/vendor/firmware/discretix/dxhdcp2.mdt
adb pull system/vendor/lib/libDxHdcp.so
adb pull system/vendor/lib/libvdmengine.so
adb pull system/vendor/lib/libvdmfumo.so
adb pull system/vendor/lib/libvss_common_core.so
adb pull system/vendor/lib/libvss_common_idl.so
adb pull system/vendor/lib/libvss_common_iface.so
adb pull system/vendor/lib/libvss_nv_core.so
adb pull system/vendor/lib/libvss_nv_idl.so
adb pull system/vendor/lib/libvss_nv_iface.so

2. Put them in the apropriate vendor directory: vendor/lge/hammerhead/proprietary
3. Add the libs to the makefile: vendor/lge/hammerhead/device-partial.mk

    vendor/lge/hammerhead/proprietary/libvss_nv_iface.so:system/vendor/lib/libvss_nv_iface.so:lge \
    vendor/lge/hammerhead/proprietary/libvss_nv_idl.so:system/vendor/lib/libvss_nv_idl.so:lge \
    vendor/lge/hammerhead/proprietary/libvss_nv_core.so:system/vendor/lib/libvss_nv_core.so:lge \
    vendor/lge/hammerhead/proprietary/libvss_common_iface.so:system/vendor/lib/libvss_common_iface.so:lge \
    vendor/lge/hammerhead/proprietary/libvss_common_idl.so:system/vendor/lib/libvss_common_idl.so:lge \
    vendor/lge/hammerhead/proprietary/libvss_common_core.so:system/vendor/lib/libvss_common_core.so:lge \
    vendor/lge/hammerhead/proprietary/libvdmfumo.so:system/vendor/lib/libvdmfumo.so:lge \
    vendor/lge/hammerhead/proprietary/libvdmengine.so:system/vendor/lib/libvdmengine.so:lge \
    vendor/lge/hammerhead/proprietary/libDxHdcp.so:system/vendor/lib/libDxHdcp.so:lge \
    ...
4. build as usual


Regards,
Dirk

[andrew_esh]

Perhaps you need the device drivers which are available on this website:
https://developers.google.com/android/nexus/drivers

I would not expect them to be in your build unless you added them manually.

[Dirk Jäckel]

One would think that all necessary librararies were in there. But the libraries and other files I listed  are not part of the files listed for the hammerhead: https://developers.google.com/android/nexus/drivers#hammerhead.

As I wrote in my first email I added these files to the build and got some of the proprietary driven hardware to work.

Regards,
Dirk

[Jake Weinstein]

That's what he did, but 3G was broken, so he had to add the missing libraries that Google didn't add to their binaries.

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[Jameson Williams]

I had this same problem. Actually, these files are mentioned in proprietary-blobs.txt, and vendor_owner_info.txt, in the device project. However, they are not included in the vendor tarballs for KRT16M. They are, however, in the KRT16M factory image posted by Google. In my case, I mounted the system image in loopback, and ripped the missing files. Comparing against vendor_owner_info.txt, I came up with the same list as Dirk for the missing lge files. There are also two missing for qcom: TimeService.apk, and shutdownlistener.apk .

Ref:

https://android.googlesource.com/device/lge/hammerhead/+/android-4.4_r1/vendor_owner_info.txt
https://android.googlesource.com/device/lge/hammerhead/+/android-4.4_r1/proprietary-blobs.txt

[Jameson Williams]

Ah actually, as I've looked at this a bit more, it may by only /system/app/OmaDmclient.apk that is needed. I think the other ones are all related to graphics.

[Bryce Walter]

OmaDmClient is needed to provision.

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