[Miscellaneous Android Development] :
VERY bad problem with Audio...

I/AudioPolicyManagerBase( 4818): loadAudioPolicyConfig() loaded /system/etc/audio_policy.conf
I/AudioFlinger( 4818): loadHwModule() Loaded primary audio interface from LEGACY Audio HW HAL (audio) handle 1
I/AudioFlinger( 4818): HAL output buffer size 1024 frames, normal mix buffer size 1024 frames
I/AudioMixer( 4818): found effect "Multichannel Downmix To Stereo" from The Android Open Source Project
I/AudioFlinger( 4818): Using module 1 has the primary audio interface
D/AudioHardwareInterface( 4818): setMode(NORMAL)
I/AudioFlinger( 4818): AudioFlinger's thread 0x40cd7008 ready to run
D/AudioHardware( 4818): AudioStreamOutALSA::setParameters() routing=2
D/AudioHardware( 4818): ### setVoiceVolume
I/AudioFlinger( 4818): loadHwModule() Loaded a2dp audio interface from A2DP Audio HW HAL (audio) handle 3
E/AudioFlinger( 4818): int android::load_audio_interface(char const*, audio_hw_device_t**) couldn't load audio hw module audio.usb (No such file or directory)
I/AudioFlinger( 4818): loadHwModule() error -2 loading module usb
W/AudioPolicyManagerBase( 4818): could not open HW module usb
I/AudioPolicyService( 4818): Loaded audio policy from LEGACY Audio Policy HAL (audio_policy)
W/AudioSystem( 4794): AudioFlinger not published, waiting...
W/AudioFlinger( 4818): session id 4 not found for pid 4794
D/Ringtone( 4794): Problem opening; delegating to remote player
I/AwesomePlayer( 4818): AwesomePlayer::AwesomePlayer()in
I/ ( 4818): new RKOMXPlugin
E/ ( 4818): A Component loader constructor fails. Exiting
F/libc ( 4818): Fatal signal 11 (SIGSEGV) at 0x00000000 (code=1), thread 4818 (mediaserver)
I/DEBUG ( 75): *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***
I/DEBUG ( 75): Build fingerprint: 'Android/rk29sdk/rk29sdk:4.1.1/JRO03H/20120920.101715:eng/release-keys'
I/DEBUG ( 75): pid: 4818, tid: 4818, name: mediaserver >>> /system/bin/mediaserver <<<
I/DEBUG ( 75): signal 11 (SIGSEGV), code 1 (SEGV_MAPERR), fault addr 00000000
I/DEBUG ( 75): r0 be9b5674 r1 be9b5674 r2 00000080 r3 00000000
I/DEBUG ( 75): r4 400e22a0 r5 00000000 r6 00000000 r7 40d25004
I/DEBUG ( 75): r8 40d25008 r9 00000080 sl 00000000 fp be9b5674
I/DEBUG ( 75): ip 00000000 sp be9b5610 lr 40d226cd pc 40d22a40 cpsr 40000030
I/DEBUG ( 75): d0 6320726564616f6c d1 7463757274736e6f
I/DEBUG ( 75): d2 736c69616620726f d3 6e6974697845202e
I/DEBUG ( 75): d4 006f006900640075 d5 0069006c006f0050
I/DEBUG ( 75): d6 0065005300790063 d7 0063006900760072
I/DEBUG ( 75): d8 0000000000002ec1 d9 0000000000000000
I/DEBUG ( 75): d10 0000000000000000 d11 0000000000000000
I/DEBUG ( 75): d12 0000000000000000 d13 0000000000000000
I/DEBUG ( 75): d14 0000000000000000 d15 0000000000000000
I/DEBUG ( 75): d16 0000033b34304aea d17 3fefae147ae147ae
I/DEBUG ( 75): d18 41c3d3c8d9800000 d19 0000000000000000
I/DEBUG ( 75): d20 0000000000000000 d21 0000000000000000
I/DEBUG ( 75): d22 3ff0000000000000 d23 0000000000000000
I/DEBUG ( 75): d24 0000000000000000 d25 0000000000000000
I/DEBUG ( 75): d26 0000000000000000 d27 0000000000000000
I/DEBUG ( 75): d28 0000000000000000 d29 0000000000000000
I/DEBUG ( 75): d30 0000000000000000 d31 0000000000000000
I/DEBUG ( 75): scr 20000010
I/DEBUG ( 75):
I/DEBUG ( 75): backtrace:
I/DEBUG ( 75): #00 pc 00001a40 /system/lib/libOMX_Core.so (BOSA_ST_ComponentNameEnum+55)
I/DEBUG ( 75): #01 pc 000016cb /system/lib/libOMX_Core.so (RKOMX_ComponentNameEnum+54)
I/DEBUG ( 75): #02 pc 000009f7 /system/lib/libstagefrighthw.so (android::RKOMXPlugin::enumerateComponents(char*, unsigned int, unsigned long)+14)
I/DEBUG ( 75): #03 pc 0000be7d /system/lib/libstagefright_omx.so (android::eek:MXMaster::addPlugin(android::eek:MXPluginBase*)+156)
I/DEBUG ( 75): #04 pc 0000bf87 /system/lib/libstagefright_omx.so (android::eek:MXMaster::eek:MXMaster()+106)
I/DEBUG ( 75): #05 pc 0000b099 /system/lib/libstagefright_omx.so (android::eek:MX::eek:MX()+68)
I/DEBUG ( 75): #06 pc 000266ed /system/lib/libmediaplayerservice.so (android::MediaPlayerService::getOMX()+32)
I/DEBUG ( 75): #07 pc 0009f525 /system/lib/libstagefright.so (android::eek:MXClient::connect()+224)
I/DEBUG ( 75): #08 pc 00084207 /system/lib/libstagefright.so (android::AwesomePlayer::AwesomePlayer()+330)
I/DEBUG ( 75): #09 pc 0002ad55 /system/lib/libmediaplayerservice.so (android::StagefrightPlayer::StagefrightPlayer()+56)
I/DEBUG ( 75): #10 pc 000286bd /system/lib/libmediaplayerservice.so
I/DEBUG ( 75): #11 pc 000287d3 /system/lib/libmediaplayerservice.so (android::MediaPlayerService::Client::createPlayer(android::player_type)+54)
I/DEBUG ( 75): #12 pc 00028801 /system/lib/libmediaplayerservice.so (android::MediaPlayerService::Client::setDataSource_pre(android::player_type)+8)
I/DEBUG ( 75): #13 pc 00028943 /system/lib/libmediaplayerservice.so (android::MediaPlayerService::Client::setDataSource(int, long long, long long)+158)
I/DEBUG ( 75): #14 pc 00042721 /system/lib/libmedia.so (android::BnMediaPlayer::onTransact(unsigned int, android::Parcel const&, android::Parcel*, unsigned int)+340)
I/DEBUG ( 75): #15 pc 00016e4d /system/lib/libbinder.so (android::BBinder::transact(unsigned int, android::Parcel const&, android::Parcel*, unsigned int)+60)
I/DEBUG ( 75): #16 pc 00019a29 /system/lib/libbinder.so (android::IPCThreadState::executeCommand(int)+520)
I/DEBUG ( 75): #17 pc 00019e51 /system/lib/libbinder.so (android::IPCThreadState::joinThreadPool(bool)+184)
I/DEBUG ( 75): #18 pc 00000aab /system/bin/mediaserver
I/DEBUG ( 75):
I/DEBUG ( 75): stack:
I/DEBUG ( 75): be9b55d0 00000001
I/DEBUG ( 75): be9b55d4 00003f2c
I/DEBUG ( 75): be9b55d8 40064b04
I/DEBUG ( 75): be9b55dc 40d21000 /system/lib/libOMX_Core.so
I/DEBUG ( 75): be9b55e0 4005fe98 /system/bin/linker
I/DEBUG ( 75): be9b55e4 40d22070 /system/lib/libOMX_Core.so
I/DEBUG ( 75): be9b55e8 40d24e8c /system/lib/libOMX_Core.so
I/DEBUG ( 75): be9b55ec 4004e881 /system/bin/linker
I/DEBUG ( 75): be9b55f0 4005ffbc /system/bin/linker
I/DEBUG ( 75): be9b55f4 40d1e870 /system/lib/libstagefrighthw.so
I/DEBUG ( 75): be9b55f8 40d1ff2c /system/lib/libstagefrighthw.so
I/DEBUG ( 75): be9b55fc 4004e881 /system/bin/linker
I/DEBUG ( 75): be9b5600 c0000000
I/DEBUG ( 75): be9b5604 0000000c
I/DEBUG ( 75): be9b5608 df0027ad
I/DEBUG ( 75): be9b560c 00000000
I/DEBUG ( 75): #00 be9b5610 00000000
I/DEBUG ( 75): be9b5614 40d22a09 /system/lib/libOMX_Core.so (BOSA_ST_ComponentNameEnum)
I/DEBUG ( 75): be9b5618 00000000
I/DEBUG ( 75): be9b561c 00000000
I/DEBUG ( 75): be9b5620 40d25004
I/DEBUG ( 75): be9b5624 40d226cd /system/lib/libOMX_Core.so (RKOMX_ComponentNameEnum+56)
I/DEBUG ( 75): #01 be9b5628 00000000
I/DEBUG ( 75): be9b562c 00000000
I/DEBUG ( 75): be9b5630 00000000
I/DEBUG ( 75): be9b5634 40d22695 /system/lib/libOMX_Core.so (RKOMX_ComponentNameEnum)
I/DEBUG ( 75): be9b5638 400e2278
I/DEBUG ( 75): be9b563c 409e9607 /system/lib/libstagefright_omx.so
I/DEBUG ( 75): be9b5640 40d1e9e9 /system/lib/libstagefrighthw.so (android::RKOMXPlugin::enumerateComponents(char*, unsigned int, unsigned long))
I/DEBUG ( 75): be9b5644 40044a84
I/DEBUG ( 75): be9b5648 00000001
I/DEBUG ( 75): be9b564c 0000382c
I/DEBUG ( 75): be9b5650 40133a4c
I/DEBUG ( 75): be9b5654 40d1e9f9 /system/lib/libstagefrighthw.so (android::RKOMXPlugin::enumerateComponents(char*, unsigned int, unsigned long)+16)
I/DEBUG ( 75): #02 be9b5658 40044a80
I/DEBUG ( 75): be9b565c 409e5e7f /system/lib/libstagefright_omx.so (android::eek:MXMaster::addPlugin(android::eek:MXPluginBase*)+158)
I/DEBUG ( 75):
I/DEBUG ( 75): memory near r0:
I/DEBUG ( 75): be9b5654 40d1e9f9 40044a80 409e5e7f 40d23684 ...@.J.@.^.@.6.@
I/DEBUG ( 75): be9b5664 00000000 400fdfdd 00000000 000001b6 .......@........
I/DEBUG ( 75): be9b5674 ffffffff 40d23684 00000000 00000000 .....6.@........
I/DEBUG ( 75): be9b5684 40d2363e 40d25008 40d22bf9 00000014 >6.@.P.@.+.@....
I/DEBUG ( 75): be9b5694 00000001 00000020 00000000 00000000 .... ...........
I/DEBUG ( 75):
I/DEBUG ( 75): memory near r1:
I/DEBUG ( 75): be9b5654 40d1e9f9 40044a80 409e5e7f 40d23684 ...@.J.@.^.@.6.@
I/DEBUG ( 75): be9b5664 00000000 400fdfdd 00000000 000001b6 .......@........
I/DEBUG ( 75): be9b5674 ffffffff 40d23684 00000000 00000000 .....6.@........
I/DEBUG ( 75): be9b5684 40d2363e 40d25008 40d22bf9 00000014 >6.@.P.@.+.@....
I/DEBUG ( 75): be9b5694 00000001 00000020 00000000 00000000 .... ...........
I/DEBUG ( 75):
I/DEBUG ( 75): memory near r4:
I/DEBUG ( 75): 400e2280 40d22499 00000000 40d22695 40d22605 .$.@.....&.@.&.@
I/DEBUG ( 75): 400e2290 40d2265d 40d2279d 0032005f 0000002b ]&.@.'.@_.2.+...
I/DEBUG ( 75): 400e22a0 40d22be5 40d22b09 40d22a51 40d22d75 .+.@.+.@Q*.@u-.@
I/DEBUG ( 75): 400e22b0 40d22a09 40d22941 40d228e1 00000000 .*.@A).@.(.@....
I/DEBUG ( 75): 400e22c0 0073006f 00000013 400e22a0 00650077 o.s......".@w.e.
I/DEBUG ( 75):
I/DEBUG ( 75): memory near r7:
I/DEBUG ( 75): 40d24fe4 400f5d44 400f5c8c 400f0ae8 400f1938 D].@.\.@...@8..@
I/DEBUG ( 75): 40d24ff4 400f1a14 400f5d3c 40102055 00000001 ...@<].@U .@....
I/DEBUG ( 75): 40d25004 00000001 400e22c8 00000000 00000000 .....".@........
I/DEBUG ( 75): 40d25014 00000000 00000000 00000000 00000000 ................
I/DEBUG ( 75): 40d25024 00000000 00000000 00000000 00000000 ................
I/DEBUG ( 75):
I/DEBUG ( 75): memory near r8:
I/DEBUG ( 75): 40d24fe8 400f5c8c 400f0ae8 400f1938 400f1a14 .\.@...@8..@...@
I/DEBUG ( 75): 40d24ff8 400f5d3c 40102055 00000001 00000001 <].@U .@........
I/DEBUG ( 75): 40d25008 400e22c8 00000000 00000000 00000000 .".@............
I/DEBUG ( 75): 40d25018 00000000 00000000 00000000 00000000 ................
I/DEBUG ( 75): 40d25028 00000000 00000000 00000000 00000000 ................
I/DEBUG ( 75):
I/DEBUG ( 75): memory near fp:
I/DEBUG ( 75): be9b5654 40d1e9f9 40044a80 409e5e7f 40d23684 ...@.J.@.^.@.6.@
I/DEBUG ( 75): be9b5664 00000000 400fdfdd 00000000 000001b6 .......@........
I/DEBUG ( 75): be9b5674 ffffffff 40d23684 00000000 00000000 .....6.@........
I/DEBUG ( 75): be9b5684 40d2363e 40d25008 40d22bf9 00000014 >6.@.P.@.+.@....
I/DEBUG ( 75): be9b5694 00000001 00000020 00000000 00000000 .... ...........
I/DEBUG ( 75):
I/DEBUG ( 75): memory near sp:
I/DEBUG ( 75): be9b55f0 4005ffbc 40d1e870 40d1ff2c 4004e881 ...@p..@,..@...@
I/DEBUG ( 75): be9b5600 c0000000 0000000c df0027ad 00000000 .........'......
I/DEBUG ( 75): be9b5610 00000000 40d22a09 00000000 00000000 .....*.@........
I/DEBUG ( 75): be9b5620 40d25004 40d226cd 00000000 00000000 .P.@.&.@........
I/DEBUG ( 75): be9b5630 00000000 40d22695 400e2278 409e9607 .....&.@x".@...@
I/DEBUG ( 75):
I/DEBUG ( 75): code around pc:
I/DEBUG ( 75): 40d22a20 d90d2f01 429d2100 68e3d106 1021f853 ./...!.B...hS.!.
I/DEBUG ( 75): 40d22a30 ec2cf7ff bdf82000 35013101 d1f242b9 ..,.. ...1.5.B..
I/DEBUG ( 75): 40d22a40 4b04f856 d1e52c00 bdf84800 8000100e V..K.,...H......
I/DEBUG ( 75): 40d22a50 4ff8e92d 460d4604 46984616 b01cf8d0 -..O.F.F.F.F....
I/DEBUG ( 75): 40d22a60 6878e015 f7ff4631 2800ec18 f04fd03b ..xh1F.....(;.O.
I/DEBUG ( 75):
I/DEBUG ( 75): code around lr:
I/DEBUG ( 75): 40d226ac e0124637 429d9b00 f10ad019 35010a01 7F.....B.......5
I/DEBUG ( 75): 40d226bc 0000f8d8 464a4659 59804653 47a06904 ....YFJFSF.Y.i.G
I/DEBUG ( 75): 40d226cc 42884908 9c01d1ee 683a3401 da054294 .I.B.....4:h.B..
I/DEBUG ( 75): 40d226dc 0684ea4f 0a00f04f e7e99401 e8bd4801 O...O........H..
I/DEBUG ( 75): 40d226ec bf008ffe 8000100e 0000295c 0000295c ........\)..\)..
I/BootReceiver( 244): Copying /data/tombstones/tombstone_04 to DropBox (SYSTEM_TOMBSTONE)
I/ServiceManager( 72): service 'media.audio_flinger' died
I/ServiceManager( 72): service 'media.player' died
I/ServiceManager( 72): service 'media.camera' died
I/ServiceManager( 72): service 'media.audio_policy' died
W/AudioSystem( 4794): AudioFlinger server died!
W/IMediaDeathNotifier( 4794): media server died
W/AudioSystem( 244): AudioPolicyService server died!
E/MediaPlayer( 4794): error (100, 0)

Settings actually crashes in this case.

Last action done: Entered Settings -> Sound -> tapped on "Volumes"

(as I was wondering why I don't hear a thing)