[HTC One X] billy.braga:
I rebuilt my ROM with the android-5.0.0_r2 AOSP source code and CM's device and kernel repos. Here are some tombstones...

*** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***
Build fingerprint: 'Android/full_endeavoru/endeavoru:5.0/LRX21M/billy11120657:userdebug/test-keys'
Revision: '0'
ABI: 'arm'
pid: 4935, tid: 4935, name: mediaserver >>> /system/bin/mediaserver <<<
signal 11 (SIGSEGV), code 1 (SEGV_MAPERR), fault addr 0x6
cannot get registers: No such process

backtrace:
#00 pc 0001713c /system/lib/hw/audio.primary.tegra.so
#01 pc 0001fc15 /system/lib/libaudioflinger.so
#02 pc 0001fd69 /system/lib/libaudioflinger.so
#03 pc 00009831 /system/lib/libaudiopolicyservice.so
#04 pc 00019d41 /system/lib/libaudiopolicymanagerdefault.so (android::AudioPolicyManager::AudioPolicyManager(android::AudioPolicyClientInterface*)+972)
#05 pc fffffffd <unknown>

stack:
........ ........
........ ........
........ ........
........ ........
........ ........
........ ........
cannot get siginfo for 4935: No such process
--------- tail end of log main
11-12 19:32:28.661 4935 4935 E CameraWrapper: failed to open vendor camera module
11-12 19:32:28.664 4935 4935 I AudioPolicyService: AudioPolicyService CSTOR in new mode
11-12 19:32:28.668 4935 4935 I AudioPolicyManager: loadAudioPolicyConfig() loaded /system/etc/audio_policy.conf
11-12 19:32:28.671 4935 4935 W linker : libaudioavp.so has text relocations. This is wasting memory and prevents security hardening. Please fix.
11-12 19:32:28.996 4935 4935 I AudioFlinger: loadHwModule() Loaded primary audio interface from Nvidia Audio HW HAL (audio) handle 1
--------- log main
11-12 19:32:28.607 4935 4935 I mediaserver: ServiceManager: 0x40f500c0
11-12 19:32:28.607 4935 4935 I AudioFlinger: Using default 3000 mSec as standby time.
11-12 19:32:28.651 4935 4935 I CameraService: CameraService started (pid=4935)
11-12 19:32:28.652 4935 4935 I CameraService: Loaded "Tegra 3 Camera Wrapper" camera module
11-12 19:32:28.652 4935 4935 V CameraWrapper: camera_get_number_of_cameras
11-12 19:32:28.652 4935 4935 V CameraWrapper: check_vendor_module
11-12 19:32:28.661 4935 4935 E HAL : load: module=/system/lib/hw/vendor-camera.tegra.so
11-12 19:32:28.661 4935 4935 E HAL : dlopen failed: could not load library "libcameraface.so" needed by "vendor-camera.tegra.so"; caused by cannot locate symbol "_ZN7android10VectorImpl19reservedVectorImpl1Ev" referenced by "libcameraface.so"...
11-12 19:32:28.661 4935 4935 E CameraWrapper: failed to open vendor camera module
11-12 19:32:28.664 4935 4935 I AudioPolicyService: AudioPolicyService CSTOR in new mode
11-12 19:32:28.668 4935 4935 I AudioPolicyManager: loadAudioPolicyConfig() loaded /system/etc/audio_policy.conf
11-12 19:32:28.671 4935 4935 W linker : libaudioavp.so has text relocations. This is wasting memory and prevents security hardening. Please fix.
11-12 19:32:28.996 4935 4935 I AudioFlinger: loadHwModule() Loaded primary audio interface from Nvidia Audio HW HAL (audio) handle 1

*** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***
Build fingerprint: 'Android/full_endeavoru/endeavoru:5.0/LRX21M/billy11120657:userdebug/test-keys'
Revision: '0'
ABI: 'arm'
pid: 5780, tid: 5780, name: mediaserver >>> /system/bin/mediaserver <<<
signal 11 (SIGSEGV), code 1 (SEGV_MAPERR), fault addr 0x6
r0 40f010d0 r1 00000002 r2 00000002 r3 33333333
r4 40f010d0 r5 00000002 r6 40f7a180 r7 55555555
r8 33333333 r9 beccc7a0 sl 00000002 fp 00000002
ip 55555555 sp beccc708 lr 4164c118 pc 4164c13c cpsr 200f0010
d0 0000000000000000 d1 0000000000000000
d2 0000000000000000 d3 0000000000000000
d4 695f445f50534469 d5 68635f6365735f6e
d6 203e32522c324c3c d7 4f5f32495341203d
d8 0000000000000000 d9 0000000000000000
d10 0000000000000000 d11 0000000000000000
d12 0000000000000000 d13 0000000000000000
d14 0000000000000000 d15 0000000000000000
d16 0000000000000000 d17 0000000000000000
d18 0000000000000000 d19 0000000000000000
d20 0000000000000000 d21 0000000000000000
d22 0000000000000000 d23 0000000000000000
d24 0000000000000000 d25 0000000000000000
d26 0000000000000000 d27 0000000000000000
d28 0000000000000000 d29 0000000000000000
d30 0000000000000000 d31 0000000000000000
scr 00000000

backtrace:
#00 pc 0001713c /system/lib/hw/audio.primary.tegra.so
#01 pc 0001fc15 /system/lib/libaudioflinger.so
#02 pc 0001fd69 /system/lib/libaudioflinger.so
#03 pc 00009831 /system/lib/libaudiopolicyservice.so
#04 pc 00019d41 /system/lib/libaudiopolicymanagerdefault.so (android::AudioPolicyManager::AudioPolicyManager(android::AudioPolicyClientInterface*)+972)
#05 pc 0000049d /system/lib/libaudiopolicymanager.so (createAudioPolicyManager+16)
#06 pc 00006d07 /system/lib/libaudiopolicyservice.so
#07 pc 0000ec11 /system/lib/libutils.so (android::RefBase::incStrong(void const*) const+38)
#08 pc 00001d5f /system/bin/mediaserver
#09 pc 0000169d /system/bin/mediaserver
#10 pc 000128f1 /system/lib/libc.so (__libc_init+44)
#11 pc 00001938 /system/bin/mediaserver

stack:
beccc6c8 00000000
beccc6cc 4163db0c /system/lib/hw/audio.primary.tegra.so (list_push_data+24)
beccc6d0 00000000
beccc6d4 0001aba0
beccc6d8 40f4d6a4
beccc6dc 41651468 /system/lib/hw/audio.primary.tegra.so
beccc6e0 00000000
beccc6e4 40275393 /system/lib/libbinder.so (android::Parcel::~Parcel()+8)
beccc6e8 4163fe4c /system/lib/hw/audio.primary.tegra.so
beccc6ec 00000002
beccc6f0 beccc868 [stack]
beccc6f4 40f7a180
beccc6f8 00000001
beccc6fc 00000002
beccc700 beccc868 [stack]
beccc704 beccc870 [stack]
#00 beccc708 beccc7a0 [stack]
beccc70c 00000002
beccc710 00000002
beccc714 401419a7 /system/lib/libaudioflinger.so
beccc718 00000001
beccc71c 40f1b520
beccc720 beccc870 [stack]
beccc724 40f7a180
beccc728 beccc868 [stack]
beccc72c 00000000
beccc730 00000002
beccc734 40142c17 /system/lib/libaudioflinger.so
#01 beccc738 beccc870 [stack]
beccc73c beccc750 [stack]
beccc740 40f170e0
beccc744 401943c1 /system/lib/libutils.so (android::VectorImpl::_grow(unsigned int, unsigned int)+154)
beccc748 00000000
beccc74c 40f73240
beccc750 00000000
beccc754 40f7a1d8
beccc758 40f7a1d8
beccc75c 4019442d /system/lib/libutils.so (android::VectorImpl::insertAt(void const*, unsigned int, unsigned int)+44)
beccc760 beccc78c [stack]
beccc764 40f7a180
beccc768 40fd65f0
beccc76c 00000002
beccc770 beccc7a0 [stack]
beccc774 beccc870 [stack]
........ ........
#02 beccc788 beccc870 [stack]
beccc78c 00000002
beccc790 beccc86c [stack]
beccc794 00000002
beccc798 00000001
beccc79c 40f7a1ac
beccc7a0 40f73240
beccc7a4 40f88280
beccc7a8 40142d31 /system/lib/libaudioflinger.so
beccc7ac beccc7dc [stack]
beccc7b0 00000002
beccc7b4 00000001
beccc7b8 beccc870 [stack]
beccc7bc beccc868 [stack]
beccc7c0 40fd6540
beccc7c4 4081c833 /system/lib/libaudiopolicyservice.so
#03 beccc7c8 40fd65f0
beccc7cc beccc86c [stack]
beccc7d0 40fd65e8
beccc7d4 00000002
beccc7d8 4019a020 /system/lib/libutils.so
beccc7dc 40f7a180
beccc7e0 4083d39b /system/lib/libaudiopolicymanagerdefault.so
beccc7e4 40f88280
beccc7e8 beccc870 [stack]
beccc7ec beccc86c [stack]
beccc7f0 4081c7e1 /system/lib/libaudiopolicyservice.so
beccc7f4 beccc860 [stack]
beccc7f8 40f010b0
beccc7fc 4083bd43 /system/lib/libaudiopolicymanagerdefault.so (android::AudioPolicyManager::AudioPolicyManager(android::AudioPolicyClientInterface*)+974)
#04 beccc800 40fd65f0
beccc804 beccc86c [stack]
beccc808 40fd65e8
beccc80c 00000002
beccc810 0000005a
beccc814 00000000
beccc818 00000001
beccc81c 40f02230
beccc820 40f02230
beccc824 00000000
beccc828 40f882d8
beccc82c 40f882f0
beccc830 4081c7e1 /system/lib/libaudiopolicyservice.so
beccc834 4083ed4e /system/lib/libaudiopolicymanagerdefault.so
beccc838 4083d2ec /system/lib/libaudiopolicymanagerdefault.so
beccc83c 40f88544
........ ........
#05 beccc8d8 b2ebb530
beccc8dc 40f539a0
beccc8e0 beccc8ec [stack]
beccc8e4 40819d0b /system/lib/libaudiopolicyservice.so
#06 beccc8e8 40f539b4
beccc8ec 40f50110
beccc8f0 40f539a0
beccc8f4 40f1b210
beccc8f8 00000000
beccc8fc 40f1b210
beccc900 beccc92c [stack]
beccc904 beccc928 [stack]
beccc908 beccc924 [stack]
beccc90c 40f500c0
beccc910 4027310b /system/lib/libbinder.so
beccc914 40191c13 /system/lib/libutils.so (android::RefBase::incStrong(void const*) const+40)
#07 beccc918 40f539a0
beccc91c 40093d63 /system/bin/mediaserver
#08 beccc920 00000000
beccc924 40f500c0
beccc928 40f72168
beccc92c 40f539a4
beccc930 beccc9e8 [stack]
beccc934 beccc9a0 [stack]
beccc938 00000001
beccc93c beccc98c [stack]
beccc940 becccb44 [stack]
beccc944 00000000
beccc948 00000000
beccc94c 400936a1 /system/bin/mediaserver
#09 beccc950 becccf71 [stack]
beccc954 40122784
beccc958 00000000
beccc95c 00000004
beccc960 401758e1 /system/bin/linker
beccc964 40175da7 /system/bin/linker
beccc968 becccf71 [stack]
beccc96c 40122004
beccc970 00000000
beccc974 4023fdf4
beccc978 40092000 /system/bin/mediaserver
beccc97c 00000000
beccc980 becccf71 [stack]
beccc984 00000000
beccc988 4017a808 /system/bin/linker
beccc98c 40f53940
........ ........
#10 becccb10 becccb28 [stack]
becccb14 00000000
becccb18 00000000
becccb1c 00000000
becccb20 00000000
becccb24 4009393c /system/bin/mediaserver
#11 becccb28 40095d50 /system/bin/mediaserver
becccb2c 40095d58 /system/bin/mediaserver
becccb30 40095d64 /system/bin/mediaserver
becccb34 becccb40 [stack]
becccb38 00000000
becccb3c 4016f6df /system/bin/linker (__dl__ZN20LinkerBlockAllocator11protect_allEi+20)
becccb40 00000001
becccb44 becccc34 [stack]
becccb48 00000000
becccb4c becccc4c [stack]
becccb50 becccc89 [stack]
becccb54 becccc9c [stack]
becccb58 beccccb1 [stack]
becccb5c becccccc [stack]
becccb60 beccccdf [stack]
becccb64 beccccf8 [stack]

cannot get siginfo for 5785: Invalid argument
--------- log main
11-12 19:32:44.659 5780 5780 I mediaserver: ServiceManager: 0x40f500c0
11-12 19:32:44.659 5780 5780 I AudioFlinger: Using default 3000 mSec as standby time.
11-12 19:32:44.711 5780 5780 I CameraService: CameraService started (pid=5780)
11-12 19:32:44.711 5780 5780 I CameraService: Loaded "Tegra 3 Camera Wrapper" camera module
11-12 19:32:44.712 5780 5780 V CameraWrapper: camera_get_number_of_cameras
11-12 19:32:44.712 5780 5780 V CameraWrapper: check_vendor_module
11-12 19:32:44.720 5780 5780 E HAL : load: module=/system/lib/hw/vendor-camera.tegra.so
11-12 19:32:44.720 5780 5780 E HAL : dlopen failed: could not load library "libcameraface.so" needed by "vendor-camera.tegra.so"; caused by cannot locate symbol "_ZN7android10VectorImpl19reservedVectorImpl1Ev" referenced by "libcameraface.so"...
11-12 19:32:44.720 5780 5780 E CameraWrapper: failed to open vendor camera module
11-12 19:32:44.722 5780 5780 I AudioPolicyService: AudioPolicyService CSTOR in new mode
11-12 19:32:44.723 5780 5780 I AudioPolicyManager: loadAudioPolicyConfig() loaded /system/etc/audio_policy.conf
11-12 19:32:44.726 5780 5780 W linker : libaudioavp.so has text relocations. This is wasting memory and prevents security hardening. Please fix.
11-12 19:32:45.051 5780 5780 I AudioFlinger: loadHwModule() Loaded primary audio interface from Nvidia Audio HW HAL (audio) handle 1