btc@ubuntu:~$ lnd
2021-08-20 15:16:34.941 [INF] LTND: Version: 0.13.1-beta commit=v0.13.1-beta, build=production, logging=default, debuglevel=info
2021-08-20 15:16:34.941 [INF] LTND: Active chain: Bitcoin (network=mainnet)
2021-08-20 15:16:34.966 [INF] RPCS: RPC server listening on 127.0.0.1:10009
2021-08-20 15:16:34.967 [INF] RPCS: gRPC proxy started at 127.0.0.1:8080
2021-08-20 15:16:34.967 [INF] LTND: Opening the main database, this might take a few minutes...
2021-08-20 15:16:34.967 [INF] LTND: Opening bbolt database, sync_freelist=false, auto_compact=true
2021-08-20 15:16:34.967 [INF] CHDB: Compacting database file at /home/btc/.lnd/data/graph/mainnet/channel.db
2021-08-20 15:16:36.056 [INF] LTND: Shutdown complete

panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x0 pc=0xa06f40]

goroutine 1 [running]:
go.etcd.io/bbolt.(*Bucket).Sequence(...)
	go.etcd.io/bbolt@v1.3.5-0.20200615073812-232d8fc87f50/bucket.go:340
github.com/lightningnetwork/lnd/kvdb.(*compacter).walkBucket.func1(0x7ff2a15228c3, 0xa, 0xa, 0x0, 0x0, 0x0, 0x0, 0x0)
	github.com/lightningnetwork/lnd/kvdb@v1.0.0/bolt_compact.go:248 +0x140
go.etcd.io/bbolt.(*Bucket).ForEach(0xc00011bf40, 0xc0004105f8, 0x0, 0x0)
	go.etcd.io/bbolt@v1.3.5-0.20200615073812-232d8fc87f50/bucket.go:390 +0x103
github.com/lightningnetwork/lnd/kvdb.(*compacter).walkBucket(0xc000410cf0, 0xc00011bf40, 0x0, 0x0, 0x0, 0x7ff2980a29ca, 0xa, 0xa, 0x0, 0x0, ...)
	github.com/lightningnetwork/lnd/kvdb@v1.0.0/bolt_compact.go:244 +0x1ce
github.com/lightningnetwork/lnd/kvdb.(*compacter).walk.func1.1(0x7ff2980a29ca, 0xa, 0xa, 0xc00011bf40, 0xc00011bf40, 0x0)
	github.com/lightningnetwork/lnd/kvdb@v1.0.0/bolt_compact.go:221 +0x173
go.etcd.io/bbolt.(*Tx).ForEach.func1(0x7ff2980a29ca, 0xa, 0xa, 0x0, 0x0, 0x0, 0x0, 0x0)
	go.etcd.io/bbolt@v1.3.5-0.20200615073812-232d8fc87f50/tx.go:129 +0x8c
go.etcd.io/bbolt.(*Bucket).ForEach(0xc0000aa558, 0xc0004107b8, 0x1, 0xc00000e518)
	go.etcd.io/bbolt@v1.3.5-0.20200615073812-232d8fc87f50/bucket.go:390 +0x103
go.etcd.io/bbolt.(*Tx).ForEach(0xc0000aa540, 0xc000410800, 0x9eb10f, 0xc000226200)
	go.etcd.io/bbolt@v1.3.5-0.20200615073812-232d8fc87f50/tx.go:128 +0x67
github.com/lightningnetwork/lnd/kvdb.(*compacter).walk.func1(0xc0000aa540, 0x0, 0xc0000aa540)
	github.com/lightningnetwork/lnd/kvdb@v1.0.0/bolt_compact.go:216 +0x65
go.etcd.io/bbolt.(*DB).View(0xc000226200, 0xc0004108b0, 0x0, 0x0)
	go.etcd.io/bbolt@v1.3.5-0.20200615073812-232d8fc87f50/db.go:725 +0x93
github.com/lightningnetwork/lnd/kvdb.(*compacter).walk(0xc000410cf0, 0xc000226200, 0xc000410928, 0x0, 0x0)
	github.com/lightningnetwork/lnd/kvdb@v1.0.0/bolt_compact.go:215 +0x66
github.com/lightningnetwork/lnd/kvdb.(*compacter).compact(0xc000410cf0, 0xc000226400, 0xc000226200, 0x0, 0x0)
	github.com/lightningnetwork/lnd/kvdb@v1.0.0/bolt_compact.go:143 +0x125
github.com/lightningnetwork/lnd/kvdb.(*compacter).execute(0xc000410cf0, 0x0, 0x0, 0x0, 0x0)
	github.com/lightningnetwork/lnd/kvdb@v1.0.0/bolt_compact.go:113 +0x6d3
github.com/lightningnetwork/lnd/kvdb.compactAndSwap(0xc000410e48, 0x0, 0x0)
	github.com/lightningnetwork/lnd/kvdb@v1.0.0/backend.go:174 +0x590
github.com/lightningnetwork/lnd/kvdb.GetBoltBackend(0xc000410e48, 0x21, 0x1, 0xc0004ff0e0, 0x21)
	github.com/lightningnetwork/lnd/kvdb@v1.0.0/backend.go:96 +0x245
github.com/lightningnetwork/lnd/lncfg.(*DB).GetBackends(0xc000492030, 0x187d2b0, 0xc000178180, 0xc0004ff0e0, 0x21, 0x2, 0x117b9da, 0xc0003a0e54)
	github.com/lightningnetwork/lnd/lncfg/db.go:115 +0x105
github.com/lightningnetwork/lnd.initializeDatabases(0x187d2b0, 0xc000178180, 0xc000231400, 0x2, 0x2, 0xc0000a4690, 0xc0003889f0, 0x0)
	github.com/lightningnetwork/lnd/lnd.go:1623 +0x111
github.com/lightningnetwork/lnd.Main(0xc000231400, 0x0, 0x0, 0x0, 0x0, 0xc000088e40, 0xc000040540, 0xc0000405a0, 0xc000040600, 0x0, ...)
	github.com/lightningnetwork/lnd/lnd.go:435 +0xfab
main.main()
	github.com/lightningnetwork/lnd/cmd/lnd/main.go:36 +0x208
btc@ubuntu:~$