snapd ABRT in journal

[Adam Collard]

Inspecting the journal for snapd logs, I saw this abort. Chipaca advised to file a bug, not sure what the circumstances were. Pasted on https://paste.ubuntu.com/p/JCPnqvqWrQ/ for ease of review.

Nov 06 08:53:19 wildfire snapd[1302]: SIGABRT: abort
Nov 06 08:53:19 wildfire snapd[1302]: PC=0x55e61a9b5641 m=0 sigcode=0
Nov 06 08:53:19 wildfire snapd[1302]: goroutine 0 [idle]:
Nov 06 08:53:19 wildfire snapd[1302]: runtime.futex(0x55e61b5e99a8, 0x0, 0x0, 0x0, 0x7fff00000000, 0x55e600000000, 0x0, 0x0, 0x7fff2e169d58, 0x55e61a96c5cf, ...)
Nov 06 08:53:19 wildfire snapd[1302]: /usr/lib/go-1.10/src/runtime/sys_linux_amd64.s:530 +0x21
Nov 06 08:53:19 wildfire snapd[1302]: runtime.futexsleep(0x55e61b5e99a8, 0x7fff00000000, 0xffffffffffffffff)
Nov 06 08:53:19 wildfire snapd[1302]: /usr/lib/go-1.10/src/runtime/os_linux.go:45 +0x4b
Nov 06 08:53:19 wildfire snapd[1302]: runtime.notesleep(0x55e61b5e99a8)
Nov 06 08:53:19 wildfire snapd[1302]: /usr/lib/go-1.10/src/runtime/lock_futex.go:151 +0x9f
Nov 06 08:53:19 wildfire snapd[1302]: runtime.stoplockedm()
Nov 06 08:53:19 wildfire snapd[1302]: /usr/lib/go-1.10/src/runtime/proc.go:2101 +0x90
Nov 06 08:53:19 wildfire snapd[1302]: runtime.schedule()
Nov 06 08:53:19 wildfire snapd[1302]: /usr/lib/go-1.10/src/runtime/proc.go:2493 +0x2de
Nov 06 08:53:19 wildfire snapd[1302]: runtime.park_m(0xc420097380)
Nov 06 08:53:19 wildfire snapd[1302]: /usr/lib/go-1.10/src/runtime/proc.go:2604 +0xbc
Nov 06 08:53:19 wildfire snapd[1302]: runtime.mcall(0x55e61af618b0)
Nov 06 08:53:19 wildfire snapd[1302]: /usr/lib/go-1.10/src/runtime/asm_amd64.s:351 +0x53
Nov 06 08:53:19 wildfire snapd[1302]: goroutine 1 [select, 136 minutes]:
Nov 06 08:53:19 wildfire snapd[1302]: main.run(0x0, 0x0)
Nov 06 08:53:19 wildfire snapd[1302]: /build/snapd-zRHV94/snapd-2.35.5+18.10/_build/src/github.com/snapcore/snapd/cmd/snapd/main.go:119 +0x48e
Nov 06 08:53:19 wildfire snapd[1302]: main.main()
Nov 06 08:53:19 wildfire snapd[1302]: /build/snapd-zRHV94/snapd-2.35.5+18.10/_build/src/github.com/snapcore/snapd/cmd/snapd/main.go:51 +0x2d
Nov 06 08:53:19 wildfire snapd[1302]: goroutine 19 [syscall, 136 minutes]:
Nov 06 08:53:19 wildfire snapd[1302]: os/signal.signal_recv(0x0)
Nov 06 08:53:19 wildfire snapd[1302]: /usr/lib/go-1.10/src/runtime/sigqueue.go:139 +0xa8
Nov 06 08:53:19 wildfire snapd[1302]: os/signal.loop()
Nov 06 08:53:19 wildfire snapd[1302]: /usr/lib/go-1.10/src/os/signal/signal_unix.go:22 +0x24
Nov 06 08:53:19 wildfire snapd[1302]: created by os/signal.init.0
Nov 06 08:53:19 wildfire snapd[1302]: /usr/lib/go-1.10/src/os/signal/signal_unix.go:28 +0x43
Nov 06 08:53:19 wildfire snapd[1302]: goroutine 34 [select, 136 minutes, locked to thread]:
Nov 06 08:53:19 wildfire snapd[1302]: runtime.gopark(0x55e61b2b3730, 0x0, 0x55e61af634e5, 0x6, 0x18, 0x1)
Nov 06 08:53:19 wildfire snapd[1302]: /usr/lib/go-1.10/src/runtime/proc.go:291 +0x120
Nov 06 08:53:19 wildfire snapd[1302]: runtime.selectgo(0xc42004c750, 0xc420322060)
Nov 06 08:53:19 wildfire snapd[1302]: /usr/lib/go-1.10/src/runtime/select.go:392 +0xe56
Nov 06 08:53:19 wildfire snapd[1302]: runtime.ensureSigM.func1()
Nov 06 08:53:19 wildfire snapd[1302]: /usr/lib/go-1.10/src/runtime/signal_unix.go:549 +0x1f6
Nov 06 08:53:19 wildfire snapd[1302]: runtime.goexit()
Nov 06 08:53:19 wildfire snapd[1302]: /usr/lib/go-1.10/src/runtime/asm_amd64.s:2361 +0x1
Nov 06 08:53:19 wildfire snapd[1302]: goroutine 6 [runnable]:
Nov 06 08:53:19 wildfire snapd[1302]: encoding/json.stateInString(0xc4200880c0, 0xc42008804d, 0x1)
Nov 06 08:53:19 wildfire snapd[1302]: /usr/lib/go-1.10/src/encoding/json/scanner.go:336 +0x102
Nov 06 08:53:19 wildfire snapd[1302]: encoding/json.compact(0xc42044c160, 0xc420384000, 0x1613, 0x1800, 0x1, 0x0, 0x0)
Nov 06 08:53:19 wildfire snapd[1302]: /usr/lib/go-1.10/src/encoding/json/indent.go:39 +0x302
Nov 06 08:53:19 wildfire snapd[1302]: encoding/json.marshalerEncoder(0xc42044c160, 0x55e61b1ec380, 0xc4203140e0, 0x16, 0xc420610100)
Nov 06 08:53:19 wildfire snapd[1302]: /usr/lib/go-1.10/src/encoding/json/encode.go:448 +0x1bb
Nov 06 08:53:19 wildfire snapd[1302]: encoding/json.(*mapEncoder).encode(0xc42000e048, 0xc42044c160, 0x55e61b1e2da0, 0xc420469b00, 0x95, 0x100)
Nov 06 08:53:19 wildfire snapd[1302]: /usr/lib/go-1.10/src/encoding/json/encode.go:684 +0x461
Nov 06 08:53:19 wildfire snapd[1302]: encoding/json.(*mapEncoder).(encoding/json.encode)-fm(0xc42044c160, 0x55e61b1e2da0, 0xc420469b00, 0x95, 0x100)
Nov 06 08:53:19 wildfire snapd[1302]: /usr/lib/go-1.10/src/encoding/json/encode.go:700 +0x66
Nov 06 08:53:19 wildfire snapd[1302]: encoding/json.(*structEncoder).encode(0xc420469c20, 0xc42044c160, 0x55e61b25fd20, 0xc420469b00, 0x99, 0x55e61b250100)
Nov 06 08:53:19 wildfire snapd[1302]: /usr/lib/go-1.10/src/encoding/json/encode.go:639 +0x257
Nov 06 08:53:19 wildfire snapd[1302]: encoding/json.(*structEncoder).(encoding/json.encode)-fm(0xc42044c160, 0x55e61b25fd20, 0xc420469b00, 0x99, 0xc420460100)
Nov 06 08:53:19 wildfire snapd[1302]: /usr/lib/go-1.10/src/encoding/json/encode.go:653 +0x66
Nov 06 08:53:19 wildfire snapd[1302]: encoding/json.(*encodeState).reflectValue(0xc42044c160, 0x55e61b25fd20, 0xc420469b00, 0x99, 0x100)
Nov 06 08:53:19 wildfire snapd[1302]: /usr/lib/go-1.10/src/encoding/json/encode.go:325 +0x84
Nov 06 08:53:19 wildfire snapd[1302]: encoding/json.(*encodeState).marshal(0xc42044c160, 0x55e61b25fd20, 0xc420469b00, 0xc420460100, 0x0, 0x0)
Nov 06 08:53:19 wildfire snapd[1302]: /usr/lib/go-1.10/src/encoding/json/encode.go:298 +0xa7
Nov 06 08:53:19 wildfire snapd[1302]: encoding/json.Marshal(0x55e61b25fd20, 0xc420469b00, 0x55e61b25fd20, 0xc420469b00, 0x55e61b29b440, 0xc420063c30, 0x55e61aa13486)
Nov 06 08:53:19 wildfire snapd[1302]: /usr/lib/go-1.10/src/encoding/json/encode.go:161 +0x61
Nov 06 08:53:19 wildfire snapd[1302]: github.com/snapcore/snapd/overlord/state.(*State).MarshalJSON(0xc42032a000, 0x55e61b29b440, 0xc42032a000, 0x7f00b990fb40, 0xc42032a000, 0x55e61aafe301)
Nov 06 08:53:19 wildfire snapd[1302]: /build/snapd-zRHV94/snapd-2.35.5+18.10/_build/src/github.com/snapcore/snapd/overlord/state/state.go:168 +0xbd
Nov 06 08:53:19 wildfire snapd[1302]: encoding/json.marshalerEncoder(0xc42044c0b0, 0x55e61b29b440, 0xc42032a000, 0x16, 0xc420320100)
Nov 06 08:53:19 wildfire snapd[1302]: /usr/lib/go-1.10/src/encoding/json/encode.go:445 +0x9e
Nov 06 08:53:19 wildfire snapd[1302]: encoding/json.(*encodeState).reflectValue(0xc42044c0b0, 0x55e61b29b440, 0xc42032a000, 0x16, 0x100)
Nov 06 08:53:19 wildfire snapd[1302]: /usr/lib/go-1.10/src/encoding/json/encode.go:325 +0x84
Nov 06 08:53:19 wildfire snapd[1302]: encoding/json.(*encodeState).marshal(0xc42044c0b0, 0x55e61b29b440, 0xc42032a000, 0x100, 0x0, 0x0)
Nov 06 08:53:19 wildfire snapd[1302]: /usr/lib/go-1.10/src/encoding/json/encode.go:298 +0xa7
Nov 06 08:53:19 wildfire snapd[1302]: encoding/json.Marshal(0x55e61b29b440, 0xc42032a000, 0x24b4b2f6, 0xed364121b, 0x0, 0xffffb8e21e15e1ca, 0xc420063dc0)
Nov 06 08:53:19 wildfire snapd[1302]: /usr/lib/go-1.10/src/encoding/json/encode.go:161 +0x61
Nov 06 08:53:19 wildfire snapd[1302]: github.com/snapcore/snapd/overlord/state.(*State).checkpointData(0xc42032a000, 0x55e61b2b2968, 0xc42032a000, 0x9960186)
Nov 06 08:53:19 wildfire snapd[1302]: /build/snapd-zRHV94/snapd-2.35.5+18.10/_build/src/github.com/snapcore/snapd/overlord/state/state.go:205 +0x3d
Nov 06 08:53:19 wildfire snapd[1302]: github.com/snapcore/snapd/overlord/state.(*State).Unlock(0xc42032a000)
Nov 06 08:53:19 wildfire snapd[1302]: /build/snapd-zRHV94/snapd-2.35.5+18.10/_build/src/github.com/snapcore/snapd/overlord/state/state.go:229 +0x88
Nov 06 08:53:19 wildfire snapd[1302]: github.com/snapcore/snapd/overlord.(*Overlord).Loop.func1(0x0, 0x0)
Nov 06 08:53:19 wildfire snapd[1302]: /build/snapd-zRHV94/snapd-2.35.5+18.10/_build/src/github.com/snapcore/snapd/overlord/overlord.go:278 +0x1bf
Nov 06 08:53:19 wildfire snapd[1302]: github.com/snapcore/snapd/vendor/gopkg.in/tomb%2ev2.(*Tomb).run(0xc42031c050, 0xc420463730)
Nov 06 08:53:19 wildfire snapd[1302]: /build/snapd-zRHV94/snapd-2.35.5+18.10/_build/src/github.com/snapcore/snapd/vendor/gopkg.in/tomb.v2/tomb.go:163 +0x2d
Nov 06 08:53:19 wildfire snapd[1302]: created by github.com/snapcore/snapd/vendor/gopkg.in/tomb%2ev2.(*Tomb).Go
Nov 06 08:53:19 wildfire snapd[1302]: /build/snapd-zRHV94/snapd-2.35.5+18.10/_build/src/github.com/snapcore/snapd/vendor/gopkg.in/tomb.v2/tomb.go:159 +0xbb
Nov 06 08:53:19 wildfire snapd[1302]: goroutine 7 [IO wait]:
Nov 06 08:53:19 wildfire snapd[1302]: internal/poll.runtime_pollWait(0x7f00b9aadf00, 0x72, 0x0)
Nov 06 08:53:19 wildfire snapd[1302]: /usr/lib/go-1.10/src/runtime/netpoll.go:173 +0x59
Nov 06 08:53:19 wildfire snapd[1302]: internal/poll.(*pollDesc).wait(0xc42041f418, 0x72, 0xc4202f6000, 0x0, 0x0)
Nov 06 08:53:19 wildfire snapd[1302]: /usr/lib/go-1.10/src/internal/poll/fd_poll_runtime.go:85 +0x9d
Nov 06 08:53:19 wildfire snapd[1302]: internal/poll.(*pollDesc).waitRead(0xc42041f418, 0xffffffffffffff00, 0x0, 0x0)
Nov 06 08:53:19 wildfire snapd[1302]: /usr/lib/go-1.10/src/internal/poll/fd_poll_runtime.go:90 +0x3f
Nov 06 08:53:19 wildfire snapd[1302]: internal/poll.(*FD).Accept(0xc42041f400, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0)
Nov 06 08:53:19 wildfire snapd[1302]: /usr/lib/go-1.10/src/internal/poll/fd_unix.go:372 +0x1aa
Nov 06 08:53:19 wildfire snapd[1302]: net.(*netFD).accept(0xc42041f400, 0x55e61b2b37d8, 0xc42047bd98, 0xc42047bd88)
Nov 06 08:53:19 wildfire snapd[1302]: /usr/lib/go-1.10/src/net/fd_unix.go:238 +0x44
Nov 06 08:53:19 wildfire snapd[1302]: net.(*UnixListener).accept(0xc4201038f0, 0xc42047bd98, 0xc42047bdf0, 0x55e61af52936)
Nov 06 08:53:19 wildfire snapd[1302]: /usr/lib/go-1.10/src/net/unixsock_posix.go:162 +0x34
Nov 06 08:53:19 wildfire snapd[1302]: net.(*UnixListener).Accept(0xc4201038f0, 0x55e61b2c3100, 0xc4204da680, 0x55e61a95e5a8, 0xc42016fe80)
Nov 06 08:53:19 wildfire snapd[1302]: /usr/lib/go-1.10/src/net/unixsock.go:253 +0x4b
Nov 06 08:53:19 wildfire snapd[1302]: github.com/snapcore/snapd/daemon.(*ucrednetListener).Accept(0xc420462e00, 0x0, 0x0, 0x0, 0x0)
Nov 06 08:53:19 wildfire snapd[1302]: /build/snapd-zRHV94/snapd-2.35.5+18.10/_build/src/github.com/snapcore/snapd/daemon/ucrednet.go:95 +0x5d
Nov 06 08:53:19 wildfire snapd[1302]: net/http.(*Server).Serve(0xc42043bad0, 0x55e61b2beb80, 0xc420462e00, 0x0, 0x0)
Nov 06 08:53:19 wildfire snapd[1302]: /usr/lib/go-1.10/src/net/http/server.go:2773 +0x1a7
Nov 06 08:53:19 wildfire snapd[1302]: github.com/snapcore/snapd/daemon.(*shutdownServer).Serve(0xc420464f30, 0xc420463750, 0x0)
Nov 06 08:53:19 wildfire snapd[1302]: /build/snapd-zRHV94/snapd-2.35.5+18.10/_build/src/github.com/snapcore/snapd/daemon/daemon.go:391 +0x42
Nov 06 08:53:19 wildfire snapd[1302]: github.com/snapcore/snapd/daemon.(*Daemon).Start.func2(0x0, 0x0)
Nov 06 08:53:19 wildfire snapd[1302]: /build/snapd-zRHV94/snapd-2.35.5+18.10/_build/src/github.com/snapcore/snapd/daemon/daemon.go:485 +0x46
Nov 06 08:53:19 wildfire snapd[1302]: github.com/snapcore/snapd/vendor/gopkg.in/tomb%2ev2.(*Tomb).run(0xc420494d58, 0xc420463740)
Nov 06 08:53:19 wildfire snapd[1302]: /build/snapd-zRHV94/snapd-2.35.5+18.10/_build/src/github.com/snapcore/snapd/vendor/gopkg.in/tomb.v2/tomb.go:163 +0x2d
Nov 06 08:53:19 wildfire snapd[1302]: created by github.com/snapcore/snapd/vendor/gopkg.in/tomb%2ev2.(*Tomb).Go
Nov 06 08:53:19 wildfire snapd[1302]: /build/snapd-zRHV94/snapd-2.35.5+18.10/_build/src/github.com/snapcore/snapd/vendor/gopkg.in/tomb.v2/tomb.go:159 +0xbb
Nov 06 08:53:19 wildfire snapd[1302]: goroutine 8 [IO wait, 136 minutes]:
Nov 06 08:53:19 wildfire snapd[1302]: internal/poll.runtime_pollWait(0x7f00b9aadd60, 0x72, 0x0)
Nov 06 08:53:19 wildfire snapd[1302]: /usr/lib/go-1.10/src/runtime/netpoll.go:173 +0x59
Nov 06 08:53:19 wildfire snapd[1302]: internal/poll.(*pollDesc).wait(0xc42041f518, 0x72, 0xc4204c0000, 0x0, 0x0)
Nov 06 08:53:19 wildfire snapd[1302]: /usr/lib/go-1.10/src/internal/poll/fd_poll_runtime.go:85 +0x9d
Nov 06 08:53:19 wildfire snapd[1302]: internal/poll.(*pollDesc).waitRead(0xc42041f518, 0xffffffffffffff00, 0x0, 0x0)
Nov 06 08:53:19 wildfire snapd[1302]: /usr/lib/go-1.10/src/internal/poll/fd_poll_runtime.go:90 +0x3f
Nov 06 08:53:19 wildfire snapd[1302]: internal/poll.(*FD).Accept(0xc42041f500, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0)
Nov 06 08:53:19 wildfire snapd[1302]: /usr/lib/go-1.10/src/internal/poll/fd_unix.go:372 +0x1aa
Nov 06 08:53:19 wildfire snapd[1302]: net.(*netFD).accept(0xc42041f500, 0x10, 0xc420477df0, 0x55e61a96d625)
Nov 06 08:53:19 wildfire snapd[1302]: /usr/lib/go-1.10/src/net/fd_unix.go:238 +0x44
Nov 06 08:53:19 wildfire snapd[1302]: net.(*UnixListener).accept(0xc420103920, 0xc4204c0060, 0xc42043ba00, 0x30)
Nov 06 08:53:19 wildfire snapd[1302]: /usr/lib/go-1.10/src/net/unixsock_posix.go:162 +0x34
Nov 06 08:53:19 wildfire snapd[1302]: net.(*UnixListener).Accept(0xc420103920, 0x7f00bc2ef458, 0x0, 0x55e61b2b37d8, 0xc42045f680)
Nov 06 08:53:19 wildfire snapd[1302]: /usr/lib/go-1.10/src/net/unixsock.go:253 +0x4b
Nov 06 08:53:19 wildfire snapd[1302]: github.com/snapcore/snapd/daemon.(*ucrednetListener).Accept(0xc420462e10, 0x0, 0x0, 0x0, 0x0)
Nov 06 08:53:19 wildfire snapd[1302]: /build/snapd-zRHV94/snapd-2.35.5+18.10/_build/src/github.com/snapcore/snapd/daemon/ucrednet.go:95 +0x5d
Nov 06 08:53:19 wildfire snapd[1302]: net/http.(*Server).Serve(0xc42043ba00, 0x55e61b2beb80, 0xc420462e10, 0x0, 0x0)
Nov 06 08:53:19 wildfire snapd[1302]: /usr/lib/go-1.10/src/net/http/server.go:2773 +0x1a7
Nov 06 08:53:19 wildfire snapd[1302]: github.com/snapcore/snapd/daemon.(*shutdownServer).Serve(0xc420464ed0, 0x0, 0x0)
Nov 06 08:53:19 wildfire snapd[1302]: /build/snapd-zRHV94/snapd-2.35.5+18.10/_build/src/github.com/snapcore/snapd/daemon/daemon.go:391 +0x42
Nov 06 08:53:19 wildfire snapd[1302]: github.com/snapcore/snapd/daemon.(*Daemon).Start.func2.1(0x0, 0x0)
Nov 06 08:53:19 wildfire snapd[1302]: /build/snapd-zRHV94/snapd-2.35.5+18.10/_build/src/github.com/snapcore/snapd/daemon/daemon.go:477 +0x39
Nov 06 08:53:19 wildfire snapd[1302]: github.com/snapcore/snapd/vendor/gopkg.in/tomb%2ev2.(*Tomb).run(0xc420494d58, 0xc420463750)
Nov 06 08:53:19 wildfire snapd[1302]: /build/snapd-zRHV94/snapd-2.35.5+18.10/_build/src/github.com/snapcore/snapd/vendor/gopkg.in/tomb.v2/tomb.go:163 +0x2d
Nov 06 08:53:19 wildfire snapd[1302]: created by github.com/snapcore/snapd/vendor/gopkg.in/tomb%2ev2.(*Tomb).Go
Nov 06 08:53:19 wildfire snapd[1302]: /build/snapd-zRHV94/snapd-2.35.5+18.10/_build/src/github.com/snapcore/snapd/vendor/gopkg.in/tomb.v2/tomb.go:159 +0xbb
Nov 06 08:53:19 wildfire snapd[1302]: goroutine 51 [runnable]:
Nov 06 08:53:19 wildfire snapd[1302]: syscall.Syscall(0x1, 0x3, 0xc42047aeb0, 0xa, 0xa, 0xa, 0x0)
Nov 06 08:53:19 wildfire snapd[1302]: /usr/lib/go-1.10/src/syscall/asm_linux_amd64.s:18 +0x5
Nov 06 08:53:19 wildfire snapd[1302]: syscall.write(0x3, 0xc42047aeb0, 0xa, 0x20, 0xc420436e00, 0x0, 0x0)
Nov 06 08:53:19 wildfire snapd[1302]: /usr/lib/go-1.10/src/syscall/zsyscall_linux_amd64.go:1022 +0x61
Nov 06 08:53:19 wildfire snapd[1302]: syscall.Write(0x3, 0xc42047aeb0, 0xa, 0x20, 0xc42054c800, 0x55e61af627e6, 0x4)
Nov 06 08:53:19 wildfire snapd[1302]: /usr/lib/go-1.10/src/syscall/syscall_unix.go:181 +0x4b
Nov 06 08:53:19 wildfire snapd[1302]: internal/poll.(*FD).Write(0xc4200d8e00, 0xc42047aeb0, 0xa, 0x20, 0x0, 0x0, 0x0)
Nov 06 08:53:19 wildfire snapd[1302]: /usr/lib/go-1.10/src/internal/poll/fd_unix.go:256 +0x144
Nov 06 08:53:19 wildfire snapd[1302]: net.(*netFD).Write(0xc4200d8e00, 0xc42047aeb0, 0xa, 0x20, 0x55e61af65cda, 0xa, 0xc420371070)
Nov 06 08:53:19 wildfire snapd[1302]: /usr/lib/go-1.10/src/net/fd_unix.go:220 +0x51
Nov 06 08:53:19 wildfire snapd[1302]: net.(*conn).Write(0xc42031a1d8, 0xc42047aeb0, 0xa, 0x20, 0xa, 0x20, 0x0)
Nov 06 08:53:19 wildfire snapd[15062]: AppArmor status: apparmor is enabled and all features are available
Nov 06 08:53:19 wildfire snapd[1302]: /usr/lib/go-1.10/src/net/net.go:188 +0x6c
Nov 06 08:53:19 wildfire snapd[1302]: github.com/snapcore/snapd/systemd.SdNotify(0x55e61af65cda, 0xa, 0x0, 0x0)
Nov 06 08:53:19 wildfire snapd[1302]: /build/snapd-zRHV94/snapd-2.35.5+18.10/_build/src/github.com/snapcore/snapd/systemd/sdnotify.go:57 +0x1af
Nov 06 08:53:19 wildfire snapd[1302]: main.runWatchdog.func1(0xc4204be050, 0xc420494d10)
Nov 06 08:53:19 wildfire snapd[1302]: /build/snapd-zRHV94/snapd-2.35.5+18.10/_build/src/github.com/snapcore/snapd/cmd/snapd/main.go:77 +0x113
Nov 06 08:53:19 wildfire snapd[1302]: created by main.runWatchdog
Nov 06 08:53:19 wildfire snapd[1302]: /build/snapd-zRHV94/snapd-2.35.5+18.10/_build/src/github.com/snapcore/snapd/cmd/snapd/main.go:70 +0x22d
Nov 06 08:53:19 wildfire snapd[1302]: rax 0xca
Nov 06 08:53:19 wildfire snapd[1302]: rbx 0x55e61b5e9860
Nov 06 08:53:19 wildfire snapd[1302]: rcx 0x55e61a9b5643
Nov 06 08:53:19 wildfire snapd[1302]: rdx 0x0
Nov 06 08:53:19 wildfire snapd[1302]: rdi 0x55e61b5e99a8
Nov 06 08:53:19 wildfire snapd[1302]: rsi 0x0
Nov 06 08:53:19 wildfire snapd[1302]: rbp 0x7fff2e169d20
Nov 06 08:53:19 wildfire snapd[1302]: rsp 0x7fff2e169cd8
Nov 06 08:53:19 wildfire snapd[1302]: r8 0x0
Nov 06 08:53:19 wildfire snapd[1302]: r9 0x0
Nov 06 08:53:19 wildfire snapd[1302]: r10 0x0
Nov 06 08:53:19 wildfire snapd[1302]: r11 0x286
Nov 06 08:53:19 wildfire snapd[1302]: r12 0xc42004c768
Nov 06 08:53:19 wildfire snapd[1302]: r13 0x1
Nov 06 08:53:19 wildfire snapd[1302]: r14 0xc4203220c0
Nov 06 08:53:19 wildfire snapd[1302]: r15 0x1
Nov 06 08:53:19 wildfire snapd[1302]: rip 0x55e61a9b5641
Nov 06 08:53:19 wildfire snapd[1302]: rflags 0x286
Nov 06 08:53:19 wildfire snapd[1302]: cs 0x33
Nov 06 08:53:19 wildfire snapd[1302]: fs 0x0
Nov 06 08:53:19 wildfire snapd[1302]: gs 0x0
Nov 05 19:56:05 wildfire systemd[1]: snapd.service: Watchdog timeout (limit 5min)!
Nov 05 19:56:05 wildfire systemd[1]: snapd.service: Killing process 1302 (snapd) with signal SIGABRT.
Nov 05 19:56:05 wildfire systemd[1]: snapd.service: Main process exited, code=exited, status=2/INVALIDARGUMENT
Nov 05 19:56:05 wildfire systemd[1]: snapd.service: Failed with result 'watchdog'.
Nov 05 19:56:05 wildfire systemd[1]: snapd.service: Service RestartSec=100ms expired, scheduling restart.
Nov 05 19:56:05 wildfire systemd[1]: snapd.service: Scheduled restart job, restart counter is at 1.
-- Subject: Automatic restarting of a unit has been scheduled
-- Defined-By: systemd
-- Support: http://www.ubuntu.com/support
--
-- Automatic restarting of the unit snapd.service has been scheduled, as the result for
-- the configured Restart= setting for the unit.
Nov 05 19:56:05 wildfire systemd[1]: Stopped Snappy daemon.
-- Subject: Unit snapd.service has finished shutting down
-- Defined-By: systemd
-- Support: http://www.ubuntu.com/support
--
-- Unit snapd.service has finished shutting down.
Nov 05 19:56:05 wildfire systemd[1]: Starting Snappy daemon...
-- Subject: Unit snapd.service has begun start-up
-- Defined-By: systemd
-- Support: http://www.ubuntu.com/support
--
-- Unit snapd.service has begun starting up.
Nov 06 08:53:21 wildfire snapd[15062]: daemon.go:344: started snapd/2.35.5+18.10 (series 16; classic) ubuntu/18.10 (amd64) linux/4.18.0-10-generic.
Nov 06 08:53:21 wildfire systemd[1]: Started Snappy daemon.
-- Subject: Unit snapd.service has finished start-up
-- Defined-By: systemd
-- Support: http://www.ubuntu.com/support
--
-- Unit snapd.service has finished starting up.
--
-- The start-up result is RESULT.

[Adam Collard (adam-collard)]

https://paste.ubuntu.com/p/RtMQjvfM9d/ <- JSON journal output, trimmed to get relevant info