Problem Report for Steinberg Media Bay Server

Hi, @Ulf

Each time I close Dorico 6.2.10, I encounter this message after approximately 20 to 40 seconds.

-------------------------------------
Translated Report (Full Report Below)
-------------------------------------
Process:             SteinbergMediaBayServer [39599]
Path:                /Library/Application Support/Steinberg/*/SteinbergMediaBayServer.app/Contents/MacOS/SteinbergMediaBayServer
Identifier:          com.steinberg.mediaserver
Version:             1.3.60.55 (1.3.60.55)
Code Type:           ARM-64 (Native)
Role:                Foreground
Parent Process:      launchd [1]
Coalition:           com.steinberg.mediaserver [14969]
User ID:             501

Date/Time:           2026-03-31 21:36:53.1690 +0100
Launch Time:         2026-03-31 21:30:33.0767 +0100
Hardware Model:      Mac15,6
OS Version:          macOS 26.3.1 (25D771280a)
Release Type:        User

Crash Reporter Key:  4C558610-2AD2-EC3B-0F3F-ADA692D7A338
Incident Identifier: DAE29B16-95BD-4EF4-A431-6EFD1573D4AB

Sleep/Wake UUID:       28C008B6-C1DA-4364-BCD6-DAC3C5D72460

Time Awake Since Boot: 130000 seconds
Time Since Wake:       1247 seconds

System Integrity Protection: enabled

Triggered by Thread: 0, Dispatch Queue: com.apple.main-thread

Exception Type:    EXC_BAD_ACCESS (SIGSEGV)
Exception Subtype: KERN_INVALID_ADDRESS at 0x0000000000000010
Exception Codes:   0x0000000000000001, 0x0000000000000010

Termination Reason:  Namespace SIGNAL, Code 11, Segmentation fault: 11
Terminating Process: exc handler [39599]


VM Region Info: 0x10 is not in any region.  Bytes before following region: 4308566000
      REGION TYPE                    START - END         [ VSIZE] PRT/MAX SHRMOD  REGION DETAIL
      UNUSED SPACE AT START
--->  
      __TEXT                      100cf8000-101258000    [ 5504K] r-x/r-x SM=COW  /Library/Application Support/Steinberg/*/SteinbergMediaBayServer.app/Contents/MacOS/SteinbergMediaBayServer

Thread 0 Crashed::  Dispatch queue: com.apple.main-thread
0   medialib                      	       0x1148cdc44 0x1127dc000 + 34544708
1   medialib                      	       0x1148cadb0 0x1127dc000 + 34532784
2   SteinbergMediaBayServer       	       0x100d01f28 0x100cf8000 + 40744
3   SteinbergMediaBayServer       	       0x100d01ee8 0x100cf8000 + 40680
4   SteinbergMediaBayServer       	       0x100d0042c 0x100cf8000 + 33836
5   SteinbergMediaBayServer       	       0x100d011a8 0x100cf8000 + 37288
6   SteinbergMediaBayServer       	       0x100d7ea34 0x100cf8000 + 551476
7   SteinbergMediaBayServer       	       0x100d7e86c 0x100cf8000 + 551020
8   SteinbergMediaBayServer       	       0x100cfdaa4 0x100cf8000 + 23204
9   SteinbergMediaBayServer       	       0x100d030e8 0x100cf8000 + 45288
10  dyld                          	       0x191459d54 start + 7184

Thread 1:

Thread 2:


Thread 0 crashed with ARM Thread State (64-bit):
    x0: 0x0000000b77029f38   x1: 0x00000001014e0660   x2: 0x00000000000120a8   x3: 0x00000001014e5e00
    x4: 0x0000000b77805420   x5: 0x0000000000000000   x6: 0xffffffffbfc007ff   x7: 0xfffff0003ffff800
    x8: 0x0000000000000000   x9: 0x0000000b76831440  x10: 0x0000000000000002  x11: 0x0000010000000000
   x12: 0x00000000fffffffd  x13: 0x0000000000000000  x14: 0x0000000000000000  x15: 0x0000000000000000
   x16: 0x0000000000000000  x17: 0x0000000000000002  x18: 0x0000000000000000  x19: 0x00000001019b5420
   x20: 0x0000000116f32ce0  x21: 0x00000001019a22a8  x22: 0x000000010129db50  x23: 0x6f6d726573752d2d
   x24: 0x0000000000006564  x25: 0x0000000000000000  x26: 0x000000010129d000  x27: 0x0000000000000000
   x28: 0x0000000000000000   fp: 0x000000016f106dc0   lr: 0x00000001148cdc38
    sp: 0x000000016f106db0   pc: 0x00000001148cdc44 cpsr: 0x60001000
   far: 0x0000000000000010  esr: 0x92000006 (Data Abort) byte read Translation fault

Binary Images:
       0x100cf8000 -        0x101257fff com.steinberg.mediaserver (1.3.60.55) <0268d48f-bf31-340d-9951-929ffd8f76bc> /Library/Application Support/Steinberg/*/SteinbergMediaBayServer.app/Contents/MacOS/SteinbergMediaBayServer
       0x1127dc000 -        0x116317fff com.steinberg.medialib (1.3.60.55) <8b6fe34c-e854-3a9e-91cf-dcd168f333f9> /Library/Application Support/Steinberg/*/SteinbergMediaBayServer.app/Contents/Components/medialib.bundle/Contents/MacOS/medialib
       0x108230000 -        0x10834ffff libgraphics2d.dylib (*) <9c685fb7-b514-32c2-9d6b-71cffc60d02c> /Library/Application Support/Steinberg/*/SteinbergMediaBayServer.app/Contents/Components/medialib.bundle/Contents/MacOS/libgraphics2d.dylib
       0x108c8c000 -        0x108fdffff libimagegenerator.dylib (*) <d982000f-f8c8-3ce9-ad8c-e2bd0545e80f> /Library/Application Support/Steinberg/*/SteinbergMediaBayServer.app/Contents/Components/medialib.bundle/Contents/MacOS/libimagegenerator.dylib
       0x107f14000 -        0x1080cffff com.steinberg.videometadata (1.0.0.42) <d063f969-42d9-32bf-9de6-978219a11d62> /Library/Application Support/Steinberg/*/SteinbergMediaBayServer.app/Contents/Components/medialib.bundle/Contents/Components/videometadata.bundle/Contents/MacOS/videometadata
       0x191451000 -        0x1914f0713 dyld (*) <044cd67e-3a0a-3ca4-8bb3-a9687d5328fe> /usr/lib/dyld
               0x0 - 0xffffffffffffffff ??? (*) <00000000-0000-0000-0000-000000000000> ???

External Modification Summary:
  Calls made by other processes targeting this process:
    task_for_pid: 0
    thread_create: 0
    thread_set_state: 0
  Calls made by this process:
    task_for_pid: 0
    thread_create: 0
    thread_set_state: 0
  Calls made by all processes on this machine:
    task_for_pid: 0
    thread_create: 0
    thread_set_state: 0

VM Region Summary:
ReadOnly portion of Libraries: Total=1.7G resident=0K(0%) swapped_out_or_unallocated=1.7G(100%)
Writable regions: Total=176.6M written=465K(0%) resident=465K(0%) swapped_out=16K(0%) unallocated=176.2M(100%)

                                VIRTUAL   REGION 
REGION TYPE                        SIZE    COUNT (non-coalesced) 
===========                     =======  ======= 
.note.gnu.proper                    320        1 
Activity Tracing                   256K        1 
Kernel Alloc Once                   32K        1 
MALLOC                           108.9M       19 
MALLOC guard page                 3760K        4 
STACK GUARD                         48K        3 
Stack                             65.0M        4 
VM_ALLOCATE                         16K        1 
__AUTH                            4393K      454 
__AUTH_CONST                      71.1M      782 
__CTF                               824        1 
__DATA                            30.5M      743 
__DATA_CONST                      40.9M      793 
__DATA_DIRTY                      6657K      676 
__FONT_DATA                        2352        1 
__INFO_FILTER                         8        1 
__LINKEDIT                       589.2M        6 
__OBJC_RO                         78.4M        1 
__OBJC_RW                         2571K        1 
__TEXT                             1.1G      814 
__TPRO_CONST                       128K        2 
mapped file                       48.2M        4 
page table in kernel               465K        1 
shared memory                     1152K        7 
===========                     =======  ======= 
TOTAL                              2.1G     4321 


-----------
Full Report
-----------

{"app_name":"SteinbergMediaBayServer","timestamp":"2026-03-31 21:36:54.00 +0100","app_version":"1.3.60.55","slice_uuid":"0268d48f-bf31-340d-9951-929ffd8f76bc","build_version":"1.3.60.55","platform":1,"bundleID":"com.steinberg.mediaserver","share_with_app_devs":0,"is_first_party":0,"bug_type":"309","os_version":"macOS 26.3.1 (25D771280a)","roots_installed":0,"name":"SteinbergMediaBayServer","incident_id":"DAE29B16-95BD-4EF4-A431-6EFD1573D4AB"}
{
  "uptime" : 130000,
  "procRole" : "Foreground",
  "version" : 2,
  "userID" : 501,
  "deployVersion" : 210,
  "modelCode" : "Mac15,6",
  "coalitionID" : 14969,
  "osVersion" : {
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    "build" : "25D771280a",
    "releaseType" : "User"
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  "captureTime" : "2026-03-31 21:36:53.1690 +0100",
  "codeSigningMonitor" : 2,
  "incident" : "DAE29B16-95BD-4EF4-A431-6EFD1573D4AB",
  "pid" : 39599,
  "translated" : false,
  "cpuType" : "ARM-64",
  "procLaunch" : "2026-03-31 21:30:33.0767 +0100",
  "procStartAbsTime" : 3114028749830,
  "procExitAbsTime" : 3123151059779,
  "procName" : "SteinbergMediaBayServer",
  "procPath" : "\/Library\/Application Support\/Steinberg\/*\/SteinbergMediaBayServer.app\/Contents\/MacOS\/SteinbergMediaBayServer",
  "bundleInfo" : {"CFBundleShortVersionString":"1.3.60.55","CFBundleVersion":"1.3.60.55","CFBundleIdentifier":"com.steinberg.mediaserver"},
  "storeInfo" : {"deviceIdentifierForVendor":"3BA8E556-5D5F-58CA-B269-FFE642354614","thirdParty":true},
  "parentProc" : "launchd",
  "parentPid" : 1,
  "coalitionName" : "com.steinberg.mediaserver",
  "crashReporterKey" : "4C558610-2AD2-EC3B-0F3F-ADA692D7A338",
  "lowPowerMode" : 1,
  "appleIntelligenceStatus" : {"state":"available"},
  "developerMode" : 1,
  "codeSigningID" : "com.steinberg.mediaserver",
  "codeSigningTeamID" : "5PMY476BJ6",
  "codeSigningFlags" : 570495749,
  "codeSigningValidationCategory" : 6,
  "codeSigningTrustLevel" : 4294967295,
  "codeSigningAuxiliaryInfo" : 0,
  "instructionByteStream" : {"beforePC":"CBFA+QABP9aAAkD5YRpA+QgAQPkIjUD5AAE\/1mAaQPmAAAC0CABA+Q==","atPC":"CAlA+QABP9Z\/GgD5gAJA+QgAQPkIcUD5AAE\/1kgxAdAIASSRHwEA+Q=="},
  "bootSessionUUID" : "60C83E3B-3092-42C9-8491-E28ABB4A5501",
  "wakeTime" : 1247,
  "sleepWakeUUID" : "28C008B6-C1DA-4364-BCD6-DAC3C5D72460",
  "sip" : "enabled",
  "vmRegionInfo" : "0x10 is not in any region.  Bytes before following region: 4308566000\n      REGION TYPE                    START - END         [ VSIZE] PRT\/MAX SHRMOD  REGION DETAIL\n      UNUSED SPACE AT START\n--->  \n      __TEXT                      100cf8000-101258000    [ 5504K] r-x\/r-x SM=COW  \/Library\/Application Support\/Steinberg\/*\/SteinbergMediaBayServer.app\/Contents\/MacOS\/SteinbergMediaBayServer",
  "exception" : {"codes":"0x0000000000000001, 0x0000000000000010","rawCodes":[1,16],"type":"EXC_BAD_ACCESS","signal":"SIGSEGV","subtype":"KERN_INVALID_ADDRESS at 0x0000000000000010"},
  "termination" : {"flags":0,"code":11,"namespace":"SIGNAL","indicator":"Segmentation fault: 11","byProc":"exc handler","byPid":39599},
  "vmregioninfo" : "0x10 is not in any region.  Bytes before following region: 4308566000\n      REGION TYPE                    START - END         [ VSIZE] PRT\/MAX SHRMOD  REGION DETAIL\n      UNUSED SPACE AT START\n--->  \n      __TEXT                      100cf8000-101258000    [ 5504K] r-x\/r-x SM=COW  \/Library\/Application Support\/Steinberg\/*\/SteinbergMediaBayServer.app\/Contents\/MacOS\/SteinbergMediaBayServer",
  "extMods" : {"caller":{"thread_create":0,"thread_set_state":0,"task_for_pid":0},"system":{"thread_create":0,"thread_set_state":0,"task_for_pid":0},"targeted":{"thread_create":0,"thread_set_state":0,"task_for_pid":0},"warnings":0},
  "faultingThread" : 0,
  "threads" : [{"triggered":true,"id":2338808,"threadState":{"x":[{"value":49241300792},{"value":4316857952},{"value":73896},{"value":4316880384},{"value":49249539104},{"value":0},{"value":18446744072631617535},{"value":18446726482597246976},{"value":0},{"value":49232942144},{"value":2},{"value":1099511627776},{"value":4294967293},{"value":0},{"value":0},{"value":0},{"value":0},{"value":2},{"value":0},{"value":4321924128},{"value":4680002784},{"value":4321845928},{"value":4314487632},{"value":8029199490725784877},{"value":25956},{"value":0},{"value":4314484736},{"value":0},{"value":0}],"flavor":"ARM_THREAD_STATE64","lr":{"value":4639743032},"cpsr":{"value":1610616832},"fp":{"value":6158314944},"sp":{"value":6158314928},"esr":{"value":2449473542,"description":"(Data Abort) byte read Translation fault"},"pc":{"value":4639743044,"matchesCrashFrame":1},"far":{"value":16}},"queue":"com.apple.main-thread","frames":[{"imageOffset":34544708,"imageIndex":1},{"imageOffset":34532784,"imageIndex":1},{"imageOffset":40744,"imageIndex":0},{"imageOffset":40680,"imageIndex":0},{"imageOffset":33836,"imageIndex":0},{"imageOffset":37288,"imageIndex":0},{"imageOffset":551476,"imageIndex":0},{"imageOffset":551020,"imageIndex":0},{"imageOffset":23204,"imageIndex":0},{"imageOffset":45288,"imageIndex":0},{"imageOffset":36180,"symbol":"start","symbolLocation":7184,"imageIndex":5}]},{"id":2338815,"frames":[],"threadState":{"x":[{"value":6160592896},{"value":12035},{"value":6160056320},{"value":0},{"value":409604},{"value":18446744073709551615},{"value":0},{"value":0},{"value":0},{"value":0},{"value":0},{"value":0},{"value":0},{"value":0},{"value":0},{"value":0},{"value":0},{"value":0},{"value":0},{"value":0},{"value":0},{"value":0},{"value":0},{"value":0},{"value":0},{"value":0},{"value":0},{"value":0},{"value":0}],"flavor":"ARM_THREAD_STATE64","lr":{"value":0},"cpsr":{"value":4096},"fp":{"value":0},"sp":{"value":6160592896},"esr":{"value":1442840704,"description":"(Syscall)"},"pc":{"value":6736178068},"far":{"value":0}}},{"id":2344840,"frames":[],"threadState":{"x":[{"value":6158872576},{"value":30983},{"value":6158336000},{"value":0},{"value":409603},{"value":18446744073709551615},{"value":0},{"value":0},{"value":0},{"value":0},{"value":0},{"value":0},{"value":0},{"value":0},{"value":0},{"value":0},{"value":0},{"value":0},{"value":0},{"value":0},{"value":0},{"value":0},{"value":0},{"value":0},{"value":0},{"value":0},{"value":0},{"value":0},{"value":0}],"flavor":"ARM_THREAD_STATE64","lr":{"value":0},"cpsr":{"value":4096},"fp":{"value":0},"sp":{"value":6158872576},"esr":{"value":1442840704,"description":"(Syscall)"},"pc":{"value":6736178068},"far":{"value":0}}}],
  "usedImages" : [
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  "vmSummary" : "ReadOnly portion of Libraries: Total=1.7G resident=0K(0%) swapped_out_or_unallocated=1.7G(100%)\nWritable regions: Total=176.6M written=465K(0%) resident=465K(0%) swapped_out=16K(0%) unallocated=176.2M(100%)\n\n                                VIRTUAL   REGION \nREGION TYPE                        SIZE    COUNT (non-coalesced) \n===========                     =======  ======= \n.note.gnu.proper                    320        1 \nActivity Tracing                   256K        1 \nKernel Alloc Once                   32K        1 \nMALLOC                           108.9M       19 \nMALLOC guard page                 3760K        4 \nSTACK GUARD                         48K        3 \nStack                             65.0M        4 \nVM_ALLOCATE                         16K        1 \n__AUTH                            4393K      454 \n__AUTH_CONST                      71.1M      782 \n__CTF                               824        1 \n__DATA                            30.5M      743 \n__DATA_CONST                      40.9M      793 \n__DATA_DIRTY                      6657K      676 \n__FONT_DATA                        2352        1 \n__INFO_FILTER                         8        1 \n__LINKEDIT                       589.2M        6 \n__OBJC_RO                         78.4M        1 \n__OBJC_RW                         2571K        1 \n__TEXT                             1.1G      814 \n__TPRO_CONST                       128K        2 \nmapped file                       48.2M        4 \npage table in kernel               465K        1 \nshared memory                     1152K        7 \n===========                     =======  ======= \nTOTAL                              2.1G     4321 \n",
  "legacyInfo" : {
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  "logWritingSignature" : "1f003cabcc2a8a4b3e2e7312a37a66f60ec5e692",
  "bug_type" : "309",
  "roots_installed" : 0,
  "trmStatus" : 1,
  "trialInfo" : {
  "rollouts" : [
    {
      "rolloutId" : "64628732bf2f5257dedc8988",
      "factorPackIds" : [

      ],
      "deploymentId" : 240000001
    },
    {
      "rolloutId" : "648cada15dbc71671bb3aa1b",
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        "65a81173096f6a1f1ba46525"
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      "deploymentId" : 240000116
    }
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  "experiments" : [

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}
}

Model: Mac15,6, BootROM 13822.81.10, proc 11:5:6:0 processors, 18 GB, SMC 
Graphics: Apple M3 Pro, Apple M3 Pro, Built-In
Display: Color LCD, 3024 x 1964 Retina, Main, MirrorOff, Online
Memory Module: LPDDR5, Hynix
AirPort: spairport_wireless_card_type_wifi (0x14E4, 0x4388), wl0: Dec  6 2025 00:29:46 version 23.41.8.0.41.51.201 FWID 01-84de0866
IO80211_driverkit-1540.16 "IO80211_driverkit-1540.16" Jan 27 2026 21:02:00
AirPort: 
Bluetooth: Version (null), 0 services, 0 devices, 0 incoming serial ports
Network Service: Wi-Fi, AirPort, en0
Thunderbolt Bus: MacBook Pro, Apple Inc.
Thunderbolt Bus: MacBook Pro, Apple Inc.
Thunderbolt Bus: MacBook Pro, Apple Inc.

Is there any way to prevent this from happening? I would greatly appreciate your help.

Best,
–Nordine

We are on the case, you are not the only one to get these crashes.
Least to say, the crashes should not have any impact on your work with Dorico.
To give a little more info:
When Dorico starts also a MediaBayServer background process gets invoked, it’s necessary for the Dorico audio engine and finding of sound patches for the playback. This background services not only runs for Dorico but also for other Steinberg products like e.g. Cubase.
When the MediBayServer detects that all clients are gone, it also shuts down itself. Apparently during this shutdown a crash is happening and you get that message.
But you see, Dorico is already long gone before and there is no bad influence to be expected. On the other hand, sure, it’s irritating and shall not happen.

1 Like

Thanks, @Ulf, for the clarification. There’s nothing wrong to be expected; it’s just an annoying message. :grin: