remote-ssh closes the SSH session after laptop wakes up from sleep even though the session could stay up

Logs taken with remote.SSH.useLocalServer=false

[13:40:14.762] Log Level: 2
[13:40:14.768] Opening exec server for ssh-remote+my-remote-dev-vm
[13:40:14.781] VS Code version: 1.108.2
[13:40:14.781] Remote-SSH version: remote-ssh@0.122.0
[13:40:14.781] darwin arm64
[13:40:14.785] Initizing new exec server for ssh-remote+my-remote-dev-vm
[13:40:14.786] Acquiring local install lock: /var/folders/w5/c8plv88d1njcb7d012z7lbnh0000gn/T/vscode-remote-ssh-30ee4934-install.lock
[13:40:14.787] Looking for existing server data file at /Users/tsuna/Library/Application Support/Code/User/globalStorage/ms-vscode-remote.remote-ssh/vscode-ssh-host-30ee4934-c9d77990917f3102ada88be140d28b038d1dd7c7-0.122.0-es/data.json
[13:40:14.787] No existing data file
[13:40:14.788] Using commit id "c9d77990917f3102ada88be140d28b038d1dd7c7" and quality "stable" for server
[13:40:14.788] Extensions to install: 
[13:40:14.790] Install and start server if needed
[13:40:14.794] PATH: /opt/homebrew/anaconda3/condabin:/opt/homebrew/anaconda3/bin:/opt/homebrew/bin:/opt/homebrew/sbin:/Users/tsuna/bin:/usr/local/bin:/System/Cryptexes/App/usr/bin:/usr/bin:/bin:/usr/sbin:/sbin:/var/run/com.apple.security.cryptexd/codex.system/bootstrap/usr/local/bin:/var/run/com.apple.security.cryptexd/codex.system/bootstrap/usr/bin:/var/run/com.apple.security.cryptexd/codex.system/bootstrap/usr/appleinternal/bin:/opt/pmk/env/global/bin
[13:40:14.794] Checking ssh with "ssh -V"
[13:40:14.800] > OpenSSH_10.0p2, LibreSSL 3.3.6

[13:40:14.802] askpass server listening on /var/folders/w5/c8plv88d1njcb7d012z7lbnh0000gn/T/vscode-ssh-askpass-067e15a569f58c06675d6a8365ba81a13864fc38.sock
[13:40:14.802] Spawning local server with {"serverId":1,"ipcHandlePath":"/var/folders/w5/c8plv88d1njcb7d012z7lbnh0000gn/T/vscode-ssh-askpass-3eb8c110c32cbc81a896974b40b77fd7ed2a9b98.sock","sshCommand":"ssh","sshArgs":["-v","-T","-D","62449","-o","ConnectTimeout=15","my-remote-dev-vm"],"serverDataFolderName":".vscode-server","dataFilePath":"/Users/tsuna/Library/Application Support/Code/User/globalStorage/ms-vscode-remote.remote-ssh/vscode-ssh-host-30ee4934-c9d77990917f3102ada88be140d28b038d1dd7c7-0.122.0-es/data.json"}
[13:40:14.802] Local server env: {"SSH_AUTH_SOCK":"/private/tmp/com.apple.launchd.18QYvSsGeJ/Listeners","SHELL":"/bin/zsh","DISPLAY":":0.0","ELECTRON_RUN_AS_NODE":"1","SSH_ASKPASS":"/Users/tsuna/.vscode/extensions/ms-vscode-remote.remote-ssh-0.122.0/out/local-server/askpass.sh","VSCODE_SSH_ASKPASS_NODE":"/Applications/Visual Studio Code.app/Contents/Frameworks/Code Helper (Plugin).app/Contents/MacOS/Code Helper (Plugin)","VSCODE_SSH_ASKPASS_EXTRA_ARGS":"","VSCODE_SSH_ASKPASS_MAIN":"/Users/tsuna/.vscode/extensions/ms-vscode-remote.remote-ssh-0.122.0/out/askpass-main.js","VSCODE_SSH_ASKPASS_HANDLE":"/var/folders/w5/c8plv88d1njcb7d012z7lbnh0000gn/T/vscode-ssh-askpass-067e15a569f58c06675d6a8365ba81a13864fc38.sock"}
[13:40:14.803] Spawned 81186
[13:40:14.803] Using connect timeout of 17 seconds
[13:40:14.905] > local-server-1> Running ssh connection command: ssh -v -T -D 62449 -o ConnectTimeout=15 my-remote-dev-vm
[13:40:14.907] > local-server-1> Spawned ssh, pid=81194
[13:40:15.512] stderr> debug1: Server host key: ssh-ed25519 SHA256:xxx
[13:40:16.183] stderr> Authenticated to my-remote-dev-vm (via proxy) using "publickey".
[13:40:16.503] > Welcome to Ubuntu 22.04.5 LTS (GNU/Linux 5.15.0-164-generic x86_64)
> 
>  * Documentation:  https://help.ubuntu.com
>  * Management:     https://landscape.canonical.com
>  * Support:        https://ubuntu.com/pro
> 
>  System information as of Tue Jan 27 12:39:50 PM UTC 2026
> 
>   System load:  0.13             Processes:               501
>   Usage of /:   5.7% of 9.61TB   Users logged in:         1
>   Memory usage: 12%              IPv4 address for enp3s0: A.B.C.D
>   Swap usage:   0%
> 
>  * Strictly confined Kubernetes makes edge and IoT secure. Learn how MicroK8s
>    just raised the bar for easy, resilient and secure K8s cluster deployment.
> 
>    https://ubuntu.com/engage/secure-kubernetes-at-the-edge
> 
> Expanded Security Maintenance for Applications is not enabled.
> 
> 53 updates can be applied immediately.
> To see these additional updates run: apt list --upgradable
> 
> 7 additional security updates can be applied with ESM Apps.
> Learn more about enabling ESM Apps service at https://ubuntu.com/esm
> 
> New release '24.04.3 LTS' available.
> Run 'do-release-upgrade' to upgrade to it.
> 
[13:40:16.664] > ready: cb38a670b4ed
[13:40:16.825] > Linux 5.15.0-164-generic #174-Ubuntu SMP Fri Nov 14 20:25:16 UTC 2025
[13:40:16.826] Platform: linux
[13:40:16.986] > /usr/bin/zsh
[13:40:16.986] Parent Shell: zsh
[13:40:16.986] Parent Shell pid: 81186
[13:40:16.987] Waiting for subshell to start
[13:40:17.042] Waiting for subshell to start
[13:40:17.097] Waiting for subshell to start
[13:40:17.153] Waiting for subshell to start
[13:40:17.200] > 2337688
[13:40:17.200] stdout -> '2337688'
[13:40:17.200] sub-process detected
[13:40:17.257] > 2337688
[13:40:17.310] > 2337688
[13:40:17.365] > cb38a670b4ed: running
> Script executing under PID: 2337688
[13:40:17.373] > Found existing installation at /home/benoit/.vscode-server...
> Starting VS Code CLI...
[13:40:17.374] > Removing old logfile at /home/benoit/.vscode-server/.cli.c9d77990917f3102ada88be140d28b038d1dd7c7.log
[13:40:17.376] > Spawned remote CLI: 2337706
[13:40:17.378] > Waiting for server log...
[13:40:17.412] > cb38a670b4ed: start
> listeningOn==127.0.0.1:40987==
> osReleaseId==ubuntu==
> arch==x86_64==
> vscodeArch==x64==
> bitness==64==
> tmpDir==/run/user/5182==
> platform==linux==
> unpackResult====
> didLocalDownload==0==
> downloadTime====
> installTime====
> serverStartTime==38==
> execServerToken==xxx==
> platformDownloadPath==cli-alpine-x64==
> SSH_AUTH_SOCK==/tmp/ssh-XXXXy1cLWr/agent.2337678==
> cb38a670b4ed: end
[13:40:17.412] Received install output: 
listeningOn==127.0.0.1:40987==
osReleaseId==ubuntu==
arch==x86_64==
vscodeArch==x64==
bitness==64==
tmpDir==/run/user/5182==
platform==linux==
unpackResult====
didLocalDownload==0==
downloadTime====
installTime====
serverStartTime==38==
execServerToken==xxx==
platformDownloadPath==cli-alpine-x64==
SSH_AUTH_SOCK==/tmp/ssh-XXXXy1cLWr/agent.2337678==

[13:40:17.413] Remote server is listening on port 40987
[13:40:17.413] Parsed server configuration: {"serverConfiguration":{"remoteListeningOn":{"port":40987},"osReleaseId":"ubuntu","arch":"x86_64","sshAuthSock":"/tmp/ssh-XXXXy1cLWr/agent.2337678","tmpDir":"/run/user/5182","platform":"linux","execServerToken":"xxx"},"serverStartTime":38,"installUnpackCode":""}
[13:40:17.413] Persisting server connection details to /Users/tsuna/Library/Application Support/Code/User/globalStorage/ms-vscode-remote.remote-ssh/vscode-ssh-host-30ee4934-c9d77990917f3102ada88be140d28b038d1dd7c7-0.122.0-es/data.json
[13:40:17.414] Starting forwarding server. local port 62455 -> socksPort 62449 -> remotePort 40987
[13:40:17.414] Forwarding server listening on port 62455
[13:40:17.414] Waiting for ssh tunnel to be ready
[13:40:17.415] [Forwarding server port 62455] Got connection 0
[13:40:17.415] Tunneled port 40987 to local port 62455
[13:40:17.415] Resolved "ssh-remote+my-remote-dev-vm" to "port 62455"
[13:40:17.415] Resolving exec server at port 62455
[13:40:17.416] [Forwarding server port 62455] Got connection 1
[13:40:17.907] Exec server for ssh-remote+my-remote-dev-vm created and cached
[13:40:17.908] No hints found in the recent session.
[13:45:08.712] Opening exec server for ssh-remote+my-remote-dev-vm
[13:45:08.931] Verified and reusing cached exec server for ssh-remote+my-remote-dev-vm
[13:45:08.931] No hints found in the recent session.
[13:48:28.435] > local-server-1> Timed out
[13:48:28.437] Exec server for ssh-remote+my-remote-dev-vm closed (gracefully)
[13:48:28.446] Server delay-shutdown request failed: socket hang up
[13:48:28.446] Local server exit: 0

Logs taken with remote.SSH.useLocalServer=true

[14:11:36.781] Log Level: 2
[14:11:36.787] Opening exec server for ssh-remote+my-remote-dev-vm
[14:11:36.800] VS Code version: 1.108.2
[14:11:36.800] Remote-SSH version: remote-ssh@0.122.0
[14:11:36.800] darwin arm64
[14:11:36.804] Initizing new exec server for ssh-remote+my-remote-dev-vm
[14:11:36.805] Using commit id "c9d77990917f3102ada88be140d28b038d1dd7c7" and quality "stable" for server
[14:11:36.805] Extensions to install: 
[14:11:36.807] Install and start server if needed
[14:11:40.858] PATH: /opt/homebrew/anaconda3/condabin:/opt/homebrew/anaconda3/bin:/opt/homebrew/bin:/opt/homebrew/sbin:/Users/tsuna/bin:/usr/local/bin:/System/Cryptexes/App/usr/bin:/usr/bin:/bin:/usr/sbin:/sbin:/var/run/com.apple.security.cryptexd/codex.system/bootstrap/usr/local/bin:/var/run/com.apple.security.cryptexd/codex.system/bootstrap/usr/bin:/var/run/com.apple.security.cryptexd/codex.system/bootstrap/usr/appleinternal/bin:/opt/pmk/env/global/bin
[14:11:40.858] Checking ssh with "ssh -V"
[14:11:40.866] > OpenSSH_10.0p2, LibreSSL 3.3.6

[14:11:40.869] Running script with connection command: ssh -T -D 63099 -o ConnectTimeout=15 'my-remote-dev-vm' sh
[14:11:40.869] Generated SSH command: 'ssh -T -D 63099 -o ConnectTimeout=15 'my-remote-dev-vm' sh << 'EOSSH'
<inline script removed for brevity>
EOSSH'
[14:11:40.870] Using connect timeout of 17 seconds
[14:11:41.060] > 2026/01/27 14:11:41 WARNING: Skipping hostname verification (certificate is still verified)
[14:11:41.061] Got some output, clearing connection timeout
[14:11:43.061] > af1a6df16ff5: running
> Script executing under PID: 2358206
[14:11:43.094] > Found existing installation at /home/benoit/.vscode-server...
> Starting VS Code CLI...
> Removing old logfile at /home/benoit/.vscode-server/.cli.c9d77990917f3102ada88be140d28b038d1dd7c7.log
> Spawned remote CLI: 2358231
> Waiting for server log...
[14:11:43.110] > af1a6df16ff5: start
> listeningOn==127.0.0.1:35829==
> osReleaseId==ubuntu==
> arch==x86_64==
> vscodeArch==x64==
> bitness==64==
> tmpDir==/run/user/5182==
> platform==linux==
> unpackResult====
> didLocalDownload==0==
> downloadTime====
> installTime====
> serverStartTime==38==
> execServerToken==xxx==
> platformDownloadPath==cli-alpine-x64==
> SSH_AUTH_SOCK==/tmp/ssh-XXXXmPfsBE/agent.2358205==
> af1a6df16ff5: end
[14:11:43.111] Received install output:
listeningOn==127.0.0.1:35829==
osReleaseId==ubuntu==
arch==x86_64==
vscodeArch==x64==
bitness==64==
tmpDir==/run/user/5182==
platform==linux==
unpackResult====
didLocalDownload==0==
downloadTime====
installTime====
serverStartTime==38==
execServerToken==xxx==
platformDownloadPath==cli-alpine-x64==
SSH_AUTH_SOCK==/tmp/ssh-XXXXmPfsBE/agent.2358205==
[14:11:43.112] Remote server is listening on port 35829
[14:11:43.112] Parsed server configuration: {"serverConfiguration":{"remoteListeningOn":{"port":35829},"osReleaseId":"ubuntu","arch":"x86_64","sshAuthSock":"/tmp/ssh-XXXXmPfsBE/agent.2358205","tmpDir":"/run/user/5182","platform":"linux","execServerToken":"xxx"},"serverStartTime":38,"installUnpackCode":""}
[14:11:43.114] Starting forwarding server. local port 63143 -> socksPort 63099 -> remotePort 35829
[14:11:43.114] Forwarding server listening on port 63143
[14:11:43.114] Waiting for ssh tunnel to be ready
[14:11:43.115] Tunneled port 35829 to local port 63143
[14:11:43.115] Resolved "ssh-remote+my-remote-dev-vm" to "port 63143"
[14:11:43.115] Resolving exec server at port 63143
[14:11:43.116] [Forwarding server port 63143] Got connection 0
[14:11:43.117] [Forwarding server port 63143] Got connection 1
[14:11:43.630] Exec server for ssh-remote+my-remote-dev-vm created and cached
[14:11:43.631] No hints found in the recent session.
[14:14:04.546] Opening exec server for ssh-remote+my-remote-dev-vm
[14:14:07.575] Existing exec server for ssh-remote+my-remote-dev-vm timed out
[14:14:07.575] Initizing new exec server for ssh-remote+my-remote-dev-vm
[14:14:07.579] Using commit id "c9d77990917f3102ada88be140d28b038d1dd7c7" and quality "stable" for server
[14:14:07.579] Extensions to install:
[14:14:07.587] Install and start server if needed
[14:14:07.592] Running script with connection command: ssh -T -D 63215 -o ConnectTimeout=15 'my-remote-dev-vm' sh
[14:14:07.592] Generated SSH command: 'ssh -T -D 63215 -o ConnectTimeout=15 'my-remote-dev-vm' sh << 'EOSSH'
<inline script removed for brevity>
EOSSH'
[14:14:07.592] Using connect timeout of 17 seconds
[14:14:08.683] > 2026/01/27 14:14:07 WARNING: Skipping hostname verification (certificate is still verified)
[14:14:08.684] Got some output, clearing connection timeout
[14:16:33.919] "install" terminal command done
[14:16:33.920] Install terminal quit with output: 2026/01/27 14:14:07 WARNING: Skipping hostname verification (certificate is still verified)
[14:16:33.920] Received install output: 2026/01/27 14:14:07 WARNING: Skipping hostname verification (certificate is still verified)
[14:16:33.921] WARN: $PLATFORM is undefined in installation script output.  Errors may be dropped.
[14:16:33.922] Failed to parse remote port from server output
[14:16:33.922] Exec server for ssh-remote+my-remote-dev-vm failed: Error
[14:16:33.922] Error opening exec server for ssh-remote+my-remote-dev-vm: Error
[14:16:33.923] No hints found in the recent session.

Other failure mode:

[14:27:41.663] Log Level: 2
[14:27:41.669] Opening exec server for ssh-remote+my-remote-dev-vm
[14:27:41.681] VS Code version: 1.108.2
[14:27:41.681] Remote-SSH version: remote-ssh@0.122.0
[14:27:41.681] darwin arm64
[14:27:41.685] Initizing new exec server for ssh-remote+my-remote-dev-vm
[14:27:41.686] Using commit id "c9d77990917f3102ada88be140d28b038d1dd7c7" and quality "stable" for server
[14:27:41.686] Extensions to install: 
[14:27:41.688] Install and start server if needed
[14:27:41.691] PATH: /opt/homebrew/anaconda3/condabin:/opt/homebrew/anaconda3/bin:/opt/homebrew/bin:/opt/homebrew/sbin:/Users/tsuna/bin:/usr/local/bin:/System/Cryptexes/App/usr/bin:/usr/bin:/bin:/usr/sbin:/sbin:/var/run/com.apple.security.cryptexd/codex.system/bootstrap/usr/local/bin:/var/run/com.apple.security.cryptexd/codex.system/bootstrap/usr/bin:/var/run/com.apple.security.cryptexd/codex.system/bootstrap/usr/appleinternal/bin:/opt/pmk/env/global/bin
[14:27:41.691] Checking ssh with "ssh -V"
[14:27:41.696] > OpenSSH_10.0p2, LibreSSL 3.3.6

[14:27:41.698] Running script with connection command: ssh -T -D 63471 -o ConnectTimeout=15 'my-remote-dev-vm' sh
[14:27:41.698] Generated SSH command: 'ssh -T -D 63471 -o ConnectTimeout=15 'my-remote-dev-vm' sh << 'EOSSH'
<inline script removed for brevity>
EOSSH'
[14:27:41.698] Using connect timeout of 17 seconds
[14:27:42.990] > 2026/01/27 14:27:42 WARNING: Skipping hostname verification (certificate is still verified)
[14:27:42.990] Got some output, clearing connection timeout
[14:27:45.412] > 02a6c8d05c23: running
> Script executing under PID: 2375843
[14:27:45.419] > Found existing installation at /home/benoit/.vscode-server...
> Starting VS Code CLI...
> Removing old logfile at /home/benoit/.vscode-server/.cli.c9d77990917f3102ada88be140d28b038d1dd7c7.log
> Spawned remote CLI: 2375861
[14:27:45.427] > Waiting for server log...
[14:27:45.459] > Waiting for server log...
[14:27:45.493] > 02a6c8d05c23: start
> listeningOn==127.0.0.1:44325==
> osReleaseId==ubuntu==
> arch==x86_64==
> vscodeArch==x64==
> bitness==64==
> tmpDir==/run/user/5182==
> platform==linux==
> unpackResult====
> didLocalDownload==0==
> downloadTime====
> installTime====
> serverStartTime==73==
> execServerToken==xxx==
> platformDownloadPath==cli-alpine-x64==
> SSH_AUTH_SOCK==/tmp/ssh-XXXXxDbwOO/agent.2375842==
> 02a6c8d05c23: end
[14:27:45.494] Received install output: 
listeningOn==127.0.0.1:44325==
osReleaseId==ubuntu==
arch==x86_64==
vscodeArch==x64==
bitness==64==
tmpDir==/run/user/5182==
platform==linux==
unpackResult====
didLocalDownload==0==
downloadTime====
installTime====
serverStartTime==73==
execServerToken==xxx==
platformDownloadPath==cli-alpine-x64==
SSH_AUTH_SOCK==/tmp/ssh-XXXXxDbwOO/agent.2375842==

[14:27:45.494] Remote server is listening on port 44325
[14:27:45.495] Parsed server configuration: {"serverConfiguration":{"remoteListeningOn":{"port":44325},"osReleaseId":"ubuntu","arch":"x86_64","sshAuthSock":"/tmp/ssh-XXXXxDbwOO/agent.2375842","tmpDir":"/run/user/5182","platform":"linux","execServerToken":"xxx"},"serverStartTime":73,"installUnpackCode":""}
[14:27:45.497] Starting forwarding server. local port 63475 -> socksPort 63471 -> remotePort 44325
[14:27:45.497] Forwarding server listening on port 63475
[14:27:45.497] Waiting for ssh tunnel to be ready
[14:27:45.498] Tunneled port 44325 to local port 63475
[14:27:45.498] Resolved "ssh-remote+my-remote-dev-vm" to "port 63475"
[14:27:45.498] Resolving exec server at port 63475
[14:27:45.499] [Forwarding server port 63475] Got connection 0
[14:27:45.499] [Forwarding server port 63475] Got connection 1
[14:27:45.991] Exec server for ssh-remote+my-remote-dev-vm created and cached
[14:27:45.991] No hints found in the recent session.
[14:30:14.310] Opening exec server for ssh-remote+my-remote-dev-vm
[14:30:17.337] Existing exec server for ssh-remote+my-remote-dev-vm timed out
[14:30:17.338] Initizing new exec server for ssh-remote+my-remote-dev-vm
[14:30:17.341] Using commit id "c9d77990917f3102ada88be140d28b038d1dd7c7" and quality "stable" for server
[14:30:17.341] Extensions to install: 
[14:30:17.348] Install and start server if needed
[14:30:17.353] Running script with connection command: ssh -T -D 63540 -o ConnectTimeout=15 'my-remote-dev-vm' sh
[14:30:17.354] Generated SSH command: 'ssh -T -D 63540 -o ConnectTimeout=15 'my-remote-dev-vm' sh << 'EOSSH'
<inline script removed for brevity>
EOSSH'
[14:30:17.354] Using connect timeout of 17 seconds
[14:30:18.465] > 2026/01/27 14:30:17 WARNING: Skipping hostname verification (certificate is still verified)
[14:30:18.466] Got some output, clearing connection timeout
[14:33:39.000] > Error: timeout: no recent network activity
> Connection closed by UNKNOWN port 65535
[14:33:39.247] "install" terminal command done
[14:33:39.247] Install terminal quit with output: Connection closed by UNKNOWN port 65535
[14:33:39.247] Received install output: Connection closed by UNKNOWN port 65535
[14:33:39.248] WARN: $PLATFORM is undefined in installation script output.  Errors may be dropped.
[14:33:39.248] Failed to parse remote port from server output
[14:33:39.249] Exec server for ssh-remote+my-remote-dev-vm failed: Error
[14:33:39.249] Error opening exec server for ssh-remote+my-remote-dev-vm: Error
[14:33:39.249] No hints found in the recent session.