Radarr crashing on startup. NLog related?

[cmosek]

Describe the bug
Radarr is not able to start successfully.
Basic stuff already checked on Discord with @fryfrog

To Reproduce

sudo -u radarr /usr/bin/mono  /opt/Radarr/Radarr.exe -nobrowser -data=/var/lib/radarr/ 


Press enter to exit...

Expected behavior
Radarr starts

Desktop:

• OS: CentOS 7 as a LXC container on Proxmox
• Mono Version: 5.20.1, tried also 6.0.0
• Version: 0.2.0.1344

```$ mono --version
Mono JIT compiler version 6.0.0.274 (tarball Sat Jun 1 08:49:56 UTC 2019)
Copyright (C) 2002-2014 Novell, Inc, Xamarin Inc and Contributors. www.mono-project.com
TLS: __thread
SIGSEGV: altstack
Notifications: epoll
Architecture: amd64
Disabled: none
Misc: softdebug
Interpreter: yes
LLVM: yes(600)
Suspend: hybrid
GC: sgen (concurrent by default)

Sonarr is being run in the same container, without the issues.

**Debug Logs**
Full logs, mono run with `--trace` (gziped) https://we.tl/t-xK5Y0NizWn
Mono run with strace https://pastebin.com/dzEV7iJG
Install directory dump https://pastebin.com/VSDYUz97


**Some snippets**

=================================================================

Native Crash Reporting

Got a SIGSEGV while executing native code. This usually indicates
a fatal error in the mono runtime or one of the native libraries

used by your application.

/proc/self/maps:
00400000-00878000 r-xp 00000000 fd:14 7912 /usr/bin/mono-sgen
00a77000-00a7f000 r--p 00477000 fd:14 7912 /usr/bin/mono-sgen
00a7f000-00a83000 rw-p 0047f000 fd:14 7912 /usr/bin/mono-sgen
00a83000-00a9b000 rw-p 00000000 00:00 0
02629000-02f7a000 rw-p 00000000 00:00 0 [heap]
413aa000-413ba000 rwxp 00000000 00:00 0
41879000-41959000 rwxp 00000000 00:00 0
7fbdd8000000-7fbdd8021000 rw-p 00000000 00:00 0
7fbdd8021000-7fbddc000000 ---p 00000000 00:00 0
7fbddd8a3000-7fbddda00000 r--p 00000000 fd:14 131282 /usr/lib/mono/gac/System.ServiceModel/4.0.0.0__b77a5c561934e089/System.ServiceModel.dll
7fbddda00000-7fbdddb00000 rw-p 00000000 00:00 0
7fbdddb14000-7fbdddbf8000 r--p 00000000 fd:14 7769 /usr/lib/mono/gac/System.Runtime.Serialization/4.0.0.0__b77a5c561934e089/System.Runtime.Serialization.dll
7fbdddbf8000-7fbdddc45000 r--p 00000000 fd:14 131499 /usr/lib/mono/gac/Mono.Security/4.0.0.0__0738eb9f132ed756/Mono.Security.dll
7fbdddc45000-7fbdddc52000 r-xp 00000000 fd:14 8022 /usr/lib64/libmono-native.so.0.0.0
7fbdddc52000-7fbddde51000 ---p 0000d000 fd:14 8022 /usr/lib64/libmono-native.so.0.0.0
7fbddde51000-7fbddde52000 r--p 0000c000 fd:14 8022 /usr/lib64/libmono-native.so.0.0.0
7fbddde52000-7fbddde53000 rw-p 0000d000 fd:14 8022 /usr/lib64/libmono-native.so.0.0.0
7fbddde53000-7fbdde15a000 r--p 00000000 fd:14 131609 /usr/lib/mono/gac/System.Xml/4.0.0.0__b77a5c561934e089/System.Xml.dll
7fbdde15a000-7fbdde25f000 r--p 00000000 fd:14 133070 /usr/lib/mono/gac/System.Core/4.0.0.0__b77a5c561934e089/System.Core.dll
7fbdde25f000-7fbdde4db000 r--p 00000000 fd:14 133082 /usr/lib/mono/gac/System/4.0.0.0__b77a5c561934e089/System.dll
7fbdde4db000-7fbdded79000 r-xp 00000000 fd:14 8008 /usr/lib/mono/4.5/mscorlib.dll.so
7fbdded79000-7fbddef79000 ---p 0089e000 fd:14 8008 /usr/lib/mono/4.5/mscorlib.dll.so
7fbddef79000-7fbddef7a000 r--p 0089e000 fd:14 8008 /usr/lib/mono/4.5/mscorlib.dll.so
7fbddef7a000-7fbddef7b000 rw-p 0089f000 fd:14 8008 /usr/lib/mono/4.5/mscorlib.dll.so
7fbddef7b000-7fbddefa2000 rw-p 00000000 00:00 0

=================================================================

Native stacktrace:

    0x523d16 - /usr/bin/mono : (null)
    0x4afb11 - /usr/bin/mono : (null)
    0x51cc90 - /usr/bin/mono : (null)
    0x471bdb - /usr/bin/mono : (null)
    0x26378b0 - Unknown

=================================================================

Telemetry Dumper:

Pkilling 0x7fbde12cc700 from 0x7fbde2909780
Entering thread summarizer pause from 0x7fbde2909780
Finished thread summarizer pause from 0x7fbde2909780.

Waiting for dumping threads to resume

=================================================================

External Debugger Dump:

warning: File "/usr/bin/mono-sgen-gdb.py" auto-loading has been declined by your `auto-load safe-path' set to "$debugdir:$datadir/auto-load:/usr/bin/mono-gdb.py".
To enable execution of this file add
add-auto-load-safe-path /usr/bin/mono-sgen-gdb.py
line to your configuration file "/home/radarr/.gdbinit".
To completely disable this security protection add
set auto-load safe-path /
line to your configuration file "/home/radarr/.gdbinit".
For more information about this security protection see the
"Auto-loading safe path" section in the GDB manual. E.g., run from the shell:
info "(gdb)Auto-loading safe path"
[New LWP 2242]
[New LWP 2241]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib64/libthread_db.so.1".
0x00007fbde1ec8179 in waitpid () from /lib64/libpthread.so.0
Id Target Id Frame
3 Thread 0x7fbde0bff700 (LWP 2241) "SGen worker" 0x00007fbde1ec4965 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
2 Thread 0x7fbde12cc700 (LWP 2242) "Finalizer" 0x00007fbde1ec6adb in do_futex_wait.constprop.1 () from /lib64/libpthread.so.0

• 1 Thread 0x7fbde2909780 (LWP 2240) "mono" 0x00007fbde1ec8179 in waitpid () from /lib64/libpthread.so.0

Thread 3 (Thread 0x7fbde0bff700 (LWP 2241)):

0 0x00007fbde1ec4965 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0

1 0x0000000000708363 in thread_func ()

2 0x00007fbde1ec0dd5 in start_thread () from /lib64/libpthread.so.0

3 0x00007fbde13caead in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7fbde12cc700 (LWP 2242)):

0 0x00007fbde1ec6adb in do_futex_wait.constprop.1 () from /lib64/libpthread.so.0

1 0x00007fbde1ec6b6f in __new_sem_wait_slow.constprop.0 () from /lib64/libpthread.so.0

2 0x00007fbde1ec6c0b in sem_wait@@GLIBC_2.2.5 () from /lib64/libpthread.so.0

3 0x00000000006ab434 in finalizer_thread ()

4 0x000000000065f14e in start_wrapper ()

5 0x00007fbde1ec0dd5 in start_thread () from /lib64/libpthread.so.0

6 0x00007fbde13caead in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7fbde2909780 (LWP 2240)):

0 0x00007fbde1ec8179 in waitpid () from /lib64/libpthread.so.0

1 0x0000000000523e74 in dump_native_stacktrace.isra.3 ()

2 0x00000000004afb11 in mono_handle_native_crash ()

3 0x000000000051cc90 in altstack_handle_and_restore ()

4 0x0000000000471bdb in mono_trace_enter_method ()

5 0x00000000026378b0 in ?? ()

6 0x0000000000000000 in ?? ()

[0x7fbde2909780: 13.83683 18] ENTER: NLog.Internal.Fakeables.AppDomainWrapper:OnProcessExit (object,System.EventArgs)(this:0x7fbde0c0a020[NLog.Internal.Fakeables.AppDomainWrapper Radarr.exe], Aborted

EXCEPTION handling: System.BadImageFormatException: Cannot box IsByRefLike type 'System.ReadOnlySpan`1'
EXCEPTION: catch found at clause 2 of System.Reflection.RuntimeMethodInfo:Invoke (object,System.Reflection.BindingFlags,System.Reflection.Binder,object[],System.Globalization.CultureInfo)
EXCEPTION handling: System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation.
EXCEPTION: catch found at clause 0 of NLog.Internal.PropertyHelper:SetPropertyFromString (object,string,string,NLog.Config.ConfigurationItemFactory)
EXCEPTION handling: NLog.NLogConfigurationException: Error when setting property 'Format' on Layout Renderer: ${exception}
EXCEPTION: catch found at clause 1 of NzbDrone.Console.ConsoleApp:Main (string[])
```

Tried to set /home/radarr/.gdbinit, but it seems it is not picked up.

Let me know if you need anything else.

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[galli-leo]

Make sure you downloaded the linux version. Also this is not something we can fix, since mono is crashing. That looks like a mono bug

[cmosek]

Looks like it is crashing when executing Radarr code...