it's confirmed that a fix in audio driver (device part) and another apparmor fix this issue.
** Changed in: canonical-devices-system-image Status: New => Confirmed ** Changed in: canonical-devices-system-image Importance: Undecided => Critical ** Changed in: canonical-devices-system-image Assignee: (unassigned) => Yuan-Chen Cheng (ycheng-twn) ** Changed in: canonical-devices-system-image Status: Confirmed => In Progress ** Changed in: libhybris (Ubuntu) Status: New => Invalid ** Changed in: media-hub (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to libhybris in Ubuntu. https://bugs.launchpad.net/bugs/1618416 Title: media hub crashes on startup on arm64 Status in Canonical System Image: In Progress Status in libhybris package in Ubuntu: Invalid Status in media-hub package in Ubuntu: Invalid Bug description: media-hub-server crashes on startup on arm64: $ system-image-cli -i current build number: 23 device name: frieza_arm64 channel: ubuntu-touch/staging/ubuntu last update: 2016-08-30 09:13:12 version version: 23 version ubuntu: 20160830 version device: 20160824.0 version custom: 20160830 Steps: * flash the above channel (remember --device frieza_arm64) == Logfile ================================= Using default log level: info Log level: II [DD 2016-08-30 10:43:48.658077] [server.cpp:78@platform_init] Found hybris backend library "libmedia_compat_layer.so" not found == Stacktrace ================================= #0 0x0000000000000000 in () #1 0x00000000005ea8c4 in main() () at /build/media-hub-BSVeif/media-hub-4.6.0+16.04.20160823/src/core/media/server/server.cpp:79 b = <optimized out> trap = std::shared_ptr (count 2, weak 0) 0x3d01bbf0 shutdown_requested = false external_services = {io_service = {<boost::asio::detail::noncopyable> = {<No data fields>}, service_registry_ = 0x3d01bd70, impl_ = @0x7f92dbfbf0}, keep_alive = {io_service_impl_ = @0x7fcf0d47d8}, session = std::shared_ptr (count 2037544051, weak 1633907550) 0x0, system = <error reading variable: Cannot access memory at address 0x12>} external_services_worker = {_M_id = {_M_thread = 0}} player_store = std::shared_ptr (expired, weak 0) 0x3 service_config = <optimized out> impl = std::shared_ptr (count -821213128, weak 126) 0x7f92dbfbf0 skeleton = std::shared_ptr (count 2037544051, weak 1633907550) 0x0 service_worker = {_M_id = {_M_thread = 1023923248}} #2 0x00000000005ea8c4 in main() () at /build/media-hub-BSVeif/media-hub-4.6.0+16.04.20160823/src/core/media/server/server.cpp:117 trap = std::shared_ptr (count 2, weak 0) 0x3d01bbf0 shutdown_requested = false external_services = {io_service = {<boost::asio::detail::noncopyable> = {<No data fields>}, service_registry_ = 0x3d01bd70, impl_ = @0x7f92dbfbf0}, keep_alive = {io_service_impl_ = @0x7fcf0d47d8}, session = std::shared_ptr (count 2037544051, weak 1633907550) 0x0, system = <error reading variable: Cannot access memory at address 0x12>} external_services_worker = {_M_id = {_M_thread = 0}} player_store = std::shared_ptr (expired, weak 0) 0x3 service_config = <optimized out> impl = std::shared_ptr (count -821213128, weak 126) 0x7f92dbfbf0 skeleton = std::shared_ptr (count 2037544051, weak 1633907550) 0x0 service_worker = {_M_id = {_M_thread = 1023923248}} ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: media-hub 4.6.0+16.04.20160823-0ubuntu1 [origin: LP-PPA-ci-train-ppa-service-stable-phone-overlay] Uname: Linux 3.10.93+ aarch64 ApportVersion: 2.20.1-0ubuntu2.1 Architecture: arm64 Date: Tue Aug 30 10:45:25 2016 SourcePackage: media-hub UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/canonical-devices-system-image/+bug/1618416/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp