[Samsung Galaxy S7 Edge (Exynos) ROMs, Kernels, Rec] wici:
Just installed latest official build and I lost notification sounds (just silence).

Went back to previous one, where they just worked and still no sound.

Anyone else experiencing the same? Any solution? Thanks!

This logcat seems related:

04-12 09:41:58.413 8762 8762 F DEBUG : *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***
04-12 09:41:58.418 8762 8762 F DEBUG : LineageOS Version: '14.1-20170411-NIGHTLY-hero2lte'
04-12 09:41:58.418 8762 8762 F DEBUG : Build fingerprint: 'samsung/hero2ltexx/hero2lte:7.0/NRD90M/G935FXXU1ZPLH:user/release-keys'
04-12 09:41:58.418 8762 8762 F DEBUG : Revision: '0'
04-12 09:41:58.418 8762 8762 F DEBUG : ABI: 'arm'
04-12 09:41:58.419 8762 8762 F DEBUG : pid: 8759, tid: 8759, name: mediacodec >>> media.codec <<<
04-12 09:41:58.419 8762 8762 F DEBUG : signal 6 (SIGABRT), code -6 (SI_TKILL), fault addr --------
04-12 09:41:58.420 8762 8762 F DEBUG : r0 00000000 r1 00002237 r2 00000006 r3 00000008
04-12 09:41:58.420 8762 8762 F DEBUG : r4 f719658c r5 00000006 r6 f7196534 r7 0000010c
04-12 09:41:58.420 8762 8762 F DEBUG : r8 f66d7000 r9 f66e6400 sl 00000000 fp ffb2d03c
04-12 09:41:58.420 8762 8762 F DEBUG : ip 00000016 sp ffb2c9b8 lr f6c9e127 pc f6ca0984 cpsr 200e0010
04-12 09:41:58.434 8762 8762 F DEBUG :
04-12 09:41:58.434 8762 8762 F DEBUG : backtrace:
04-12 09:41:58.434 8762 8762 F DEBUG : #00 pc 0004a984 /system/lib/libc.so (tgkill+12)
04-12 09:41:58.434 8762 8762 F DEBUG : #01 pc 00048123 /system/lib/libc.so (pthread_kill+34)
04-12 09:41:58.434 8762 8762 F DEBUG : #02 pc 0001d985 /system/lib/libc.so (raise+10)
04-12 09:41:58.434 8762 8762 F DEBUG : #03 pc 000194d1 /system/lib/libc.so (__libc_android_abort+34)
04-12 09:41:58.434 8762 8762 F DEBUG : #04 pc 00017118 /system/lib/libc.so (abort+4)
04-12 09:41:58.435 8762 8762 F DEBUG : #05 pc 00006a41 /system/lib/libminijail.so (log_sigsys_handler+40)
04-12 09:41:58.435 8762 8762 F DEBUG : #06 pc 00017188 /system/lib/libc.so
04-12 09:41:58.435 8762 8762 F DEBUG : #07 pc 0004913c /system/lib/libc.so (__getdents64+8)
04-12 09:41:58.435 8762 8762 F DEBUG : #08 pc 0001a139 /system/lib/libc.so (_ZL16__readdir_lockedP3DIR+48)
04-12 09:41:58.435 8762 8762 F DEBUG : #09 pc 0001a0f9 /system/lib/libc.so (readdir+16)
04-12 09:41:58.435 8762 8762 F DEBUG : #10 pc 00001908 /system/lib/libExynosOMX_Core.so (Exynos_OMX_Component_Register+92)
04-12 09:41:58.435 8762 8762 F DEBUG : #11 pc 00001e3c /system/lib/libExynosOMX_Core.so (Exynos_OMX_Init+44)
04-12 09:41:58.435 8762 8762 F DEBUG : #12 pc 00001151 /system/lib/libstagefrighthw.so (_ZN7android15ExynosOMXPluginC1Ev+120)
04-12 09:41:58.435 8762 8762 F DEBUG : #13 pc 000010d1 /system/lib/libstagefrighthw.so (_ZN7android15createOMXPluginEv+8)
04-12 09:41:58.435 8762 8762 F DEBUG : #14 pc 0001b675 /system/lib/libstagefright_omx.so (_ZN7android9OMXMaster9addPluginEPKc+44)
04-12 09:41:58.436 8762 8762 F DEBUG : #15 pc 0001b305 /system/lib/libstagefright_omx.so (_ZN7android9OMXMasterC1Ev+264)
04-12 09:41:58.436 8762 8762 F DEBUG : #16 pc 000193f3 /system/lib/libstagefright_omx.so (_ZN7android3OMXC1Ev+86)
04-12 09:41:58.436 8762 8762 F DEBUG : #17 pc 000026b1 /system/lib/libmediacodecservice.so (_ZN7android17MediaCodecService6getOMXEv+36)
04-12 09:41:58.436 8762 8762 F DEBUG : #18 pc 000871f1 /system/lib/libmedia.so (_ZN7android19BnMediaCodecService10onTransactEjRKNS_6ParcelEPS1_j+44)
04-12 09:41:58.436 8762 8762 F DEBUG : #19 pc 00035a03 /system/lib/libbinder.so (_ZN7android7BBinder8transactEjRKNS_6ParcelEPS1_j+70)
04-12 09:41:58.436 8762 8762 F DEBUG : #20 pc 0003d20b /system/lib/libbinder.so (_ZN7android14IPCThreadState14executeCommandEi+702)
04-12 09:41:58.436 8762 8762 F DEBUG : #21 pc 0003ce57 /system/lib/libbinder.so (_ZN7android14IPCThreadState20getAndExecuteCommandEv+114)
04-12 09:41:58.436 8762 8762 F DEBUG : #22 pc 0003d36b /system/lib/libbinder.so (_ZN7android14IPCThreadState14joinThreadPoolEb+46)
04-12 09:41:58.436 8762 8762 F DEBUG : #23 pc 00000e81 /system/bin/mediacodec
04-12 09:41:58.436 8762 8762 F DEBUG : #24 pc 00016c8d /system/lib/libc.so (__libc_init+48)
04-12 09:41:58.436 8762 8762 F DEBUG : #25 pc 00000d30 /system/bin/mediacodec
04-12 09:41:58.505 3378 3558 W NativeCrashListener: Couldn't find ProcessRecord for pid 8759
04-12 09:41:58.511 2951 2951 W : debuggerd: resuming target 8759
04-12 09:41:58.511 3378 3407 I BootReceiver: Copying /data/tombstones/tombstone_04 to DropBox (SYSTEM_TOMBSTONE)
04-12 09:41:58.529 3378 8658 E OMXClient: Cannot obtain mediacodec IOMX
04-12 09:41:58.530 3031 3031 I ServiceManager: service 'media.codec' died
04-12 09:41:58.534 3060 3633 I MediaPlayerService: MediaPlayerService::getOMX
04-12 09:41:58.535 3378 8658 I ServiceManager: Waiting for service media.codec...
04-12 09:41:59.536 3378 8658 I ServiceManager: Waiting for service media.codec...
04-12 09:42:00.536 3378 8658 I ServiceManager: Waiting for service media.codec...
04-12 09:42:01.537 3378 8658 I ServiceManager: Waiting for service media.codec...
04-12 09:42:02.538 3378 8658 I ServiceManager: Waiting for service media.codec...
04-12 09:42:02.631 8779 8779 I mediacodec: @@@ mediacodecservice starting
04-12 09:42:02.631 8779 8779 W /system/bin/mediacodec: libminijail: allowing syscall: clock_gettime
04-12 09:42:02.631 8779 8779 W /system/bin/mediacodec: libminijail: allowing syscall: connect
04-12 09:42:02.631 8779 8779 W /system/bin/mediacodec: libminijail: allowing syscall: fcntl64
04-12 09:42:02.631 8779 8779 W /system/bin/mediacodec: libminijail: allowing syscall: socket
04-12 09:42:02.631 8779 8779 W /system/bin/mediacodec: libminijail: allowing syscall: writev
04-12 09:42:02.632 8779 8779 W /system/bin/mediacodec: libminijail: logging seccomp filter failures
04-12 09:42:02.975 3378 3403 I ActivityManager: Killing 4054:com.google.android.deskclock/u0a75 (adj 906): empty #17
04-12 09:42:03.035 3378 4172 D ActivityManager: cleanUpApplicationRecord -- 4054
04-12 09:42:03.452 4302 6541 W PlatformStatsUtil: Could not retrieve Usage & Diagnostics setting. Giving up.
04-12 09:42:03.539 3378 8658 E OMXClient: Cannot obtain IMediaCodecService
04-12 09:42:03.545 3060 8463 I MediaPlayerService: MediaPlayerService::getOMX
04-12 09:42:03.552 8779 8779 E media.codec: libminijail: blocked syscall: getdents64
04-12 09:42:03.552 8779 8779 F libc : Fatal signal 6 (SIGABRT), code -6 in tid 8779 (mediacodec)
04-12 09:42:03.553 2951 2951 W : debuggerd: handling request: pid=8779 uid=1046 gid=1006 tid=8779

EDIT:

Sounds came back after a power off + power on, in case it helps someone else.