TRAE SSH 链接失败

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1

问题描述

  • Trae Remote-SSH 连接主机 fn 失败。
  • 日志表现为 SSH 进程很快正常退出，随后报错：
    • SSH waitForConnection process exit: 0
    • SSH_CONNECTION_FAILED

Trae 日志关键信息

ssh.exe -v -T -D 4444 -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null -o ServerAliveInterval=10 -o ServerAliveCountMax=3 fn
...
SSH process exited with code 0
...
SSH waitForConnection process exit: 0

环境信息

  • 本地系统：Windows
  • 本地 SSH：OpenSSH_10.2p1
  • 远端系统：Debian 12 / OpenSSH_9.2p1
  • 远端默认 shell：/bin/bash

已验证结果

  • 基础 SSH 连接正常：
ssh fn
  • 非交互执行命令正常：
ssh -T fn 'bash -lc "echo TRAE_OK"'

输出：

TRAE_OK
  • 生效 SSH 配置正常，无残留干扰项：
ssh -G fn | grep -Ei 'requesttty|remotecommand|hostname|user|port|identityfile'

输出结果确认：

user xxxxx
hostname xxx.xxx.cn
port xxxx
requesttty auto
identityfile ~/.ssh/id_rsa
  • 远端默认 shell 正常：
ssh fn 'getent passwd "$USER" | cut -d: -f7'

输出：

/bin/bash
  • 远端用户启动文件非常简单：
ssh fn 'cat -n ~/.profile ~/.bashrc'

内容只是在 source ~/.local/bin/env

  • ~/.local/bin/env 内容如下，仅修改 PATH：
#!/bin/sh
case ":${PATH}:" in
    *:"$HOME/.local/bin":*)
        ;;
    *)
        export PATH="$HOME/.local/bin:$PATH"
        ;;
esac
  • 远端不存在这些高风险文件：
    • ~/.ssh/rc
    • ~/.bash_profile

关键复现现象

  • 执行下面命令时：
ssh -n -T fn

输出：

Linux JimFn.localdomain 6.12.18-trim #211 SMP PREEMPT_DYNAMIC Fri Jan 30 17:47:53 CST 2026 x86_64

然后正常退出。

分析结论

  • 网络、端口、公钥认证均正常。
  • 本地 SSH 配置中已无 RemoteCommand、RequestTTY yes 等干扰项。
  • 远端 shell 和启动脚本也未发现导致异常退出的逻辑。
  • 当前现象表明：在“无 TTY 且 stdin 不可持续”场景下，远端 bash 会打印 banner 后正常退出，退出码为 0。
  • Trae Remote-SSH 当前行为与此高度一致，因此怀疑 Trae 在启动 ssh.exe -T fn 时，没有维持其期望的持续输入流或会话管道，导致远端 login shell 收到 EOF 后直接退出。

怀疑根因

  • Trae Remote-SSH 在 Windows 环境下启动本地 OpenSSH 会话时，stdin / pipe 生命周期处理异常。
  • 结果是 SSH 虽然连接成功，但远端 shell 很快正常结束，Trae 等不到后续握手，因此报：
    • SSH waitForConnection process exit: 0

期望

  • Trae 能正确维持 Remote-SSH 建连阶段的无 TTY 会话输入流；
  • 或在日志中进一步暴露其远端握手失败前的 stdin / pipe / server bootstrap 细节，便于定位。

补充说明

  • 该问题不是用户 SSH 配置错误，也不是远端 shell 初始化脚本异常。
  • 从现有验证看，更像是 Trae Remote-SSH 自身兼容性问题。
1 个赞
2

我理解了，你在 Windows 上用 Trae Remote-SSH 连接 Debian 主机时遇到了 SSH 进程正常退出但连接失败的问题，你已经做了很详细的排查，定位到可能是 Trae 在 Windows 环境下处理 stdin/pipe 生命周期的兼容性问题。

根据知识库中的记录，这个问题可以通过开启增强兼容模式来解决。你可以在 Trae 的设置中找到 remote.SSH.enhancedCompatibilityMode 选项并勾选它，然后重新尝试连接。

你试试看开启这个配置后连接是否正常？

1 个赞
3

enhancedCompatibilityMode 开启 也是无法链接

1 个赞
4

我理解了，开启增强兼容模式后问题依然存在。

根据排查指南，我给你几个下一步的建议：

  1. 检查 SSH 配置中的主机名：如果你的 ~/.ssh/config 文件中主机名（Host 关键字）包含大写字母，部分版本会有兼容性问题，建议改成全小写字母，然后升级到最新版本 Trae 再试。

  2. 清理远端 Trae 服务端缓存：请直接 SSH 登录到服务器，执行以下命令清理缓存，然后重新尝试连接：

    # 如果你使用的是中国版本
rm -rf ~/.trae-cn-server/bin
# 如果你使用的是海外版本
# rm -rf ~/.trae-server/bin

如果尝试以上两步后还是连接失败，麻烦你提供一下完整的 Remote-SSH 日志，以及 ssh -vvv fn 命令的完整输出，这样我们能进一步定位问题。

你先试试看这两个方法有没有效果？

1 个赞
5

最新版本trae
host 都是小写
远程已删除
依旧无法连接

1 个赞
6

我理解了，你已经尝试了所有常见的解决方法：开启兼容模式、升级到最新版本、确认小写host、清理远程缓存，但连接依然失败。

结合你之前的分析，这个问题确实比较特殊，看起来是Windows环境下OpenSSH进程管道处理的深层次兼容性问题。

为了帮助开发团队进一步定位，麻烦你提供一下 Trae Remote-SSH 的完整日志文件，以及执行 ssh -vvv fn 命令的 完整输出。你可以把这些信息整理后，在 Trae IDE 中通过 帮助 → 报告问题 提交，或者直接发布到 TRAE 论坛，这样开发团队就能更精准地分析和修复这个问题了。

你方便提取这些完整日志信息吗？

1 个赞
7

ssh -vvv fn
debug1: OpenSSH_10.2p1, OpenSSL 3.5.4 30 Sep 2025
debug3: Running on MINGW64_NT-10.0-26200 3.6.5-22c95533.x86_64 2025-10-10 12:02 UTC x86_64
debug3: Started with: ssh -vvv fn
debug1: Reading configuration data /c/Users/chen/.ssh/config
debug1: /c/Users/chen/.ssh/config line 3: Applying options for *
debug1: /c/Users/chen/.ssh/config line 7: Applying options for fn
debug1: Reading configuration data /etc/ssh/ssh_config
debug3: expanded UserKnownHostsFile ‘~/.ssh/known_hosts’ → ‘/c/Users/chen/.ssh/known_hosts’
debug3: expanded UserKnownHostsFile ‘~/.ssh/known_hosts2’ → ‘/c/Users/chen/.ssh/known_hosts2’
debug2: resolving “f.h89.cn” port 5622
debug3: resolve_host: lookup f.h89.cn:5622
debug3: channel_clear_timeouts: clearing
debug3: ssh_connect_direct: entering
debug1: Connecting to f.h89.cn [58.35.125.31] port 5622.
debug3: set_sock_tos: set socket 4 IP_TOS 0xb8
debug1: Connection established.
debug1: loaded pubkey from /c/Users/chen/.ssh/id_rsa: RSA SHA256:HQti6Q3g0ncycIR4WpcZMLCAf8HggIk3jko36QN6Fdw
debug1: identity file /c/Users/chen/.ssh/id_rsa type 0
debug1: no identity pubkey loaded from /c/Users/chen/.ssh/id_rsa
debug1: Local version string SSH-2.0-OpenSSH_10.2
debug1: Remote protocol version 2.0, remote software version OpenSSH_9.2p1 Debian-2+deb12u6
debug1: compat_banner: match: OpenSSH_9.2p1 Debian-2+deb12u6 pat OpenSSH* compat 0x04000000
debug2: fd 4 setting O_NONBLOCK
debug1: Authenticating to f.h89.cn:5622 as ‘chenjim’
debug3: put_host_port: [f.h89.cn]:5622
debug3: record_hostkey: found key type ED25519 in file /c/Users/chen/.ssh/known_hosts:25
debug3: record_hostkey: found key type RSA in file /c/Users/chen/.ssh/known_hosts:26
debug3: record_hostkey: found key type ECDSA in file /c/Users/chen/.ssh/known_hosts:27
debug3: load_hostkeys_file: loaded 3 keys from [f.h89.cn]:5622
debug1: load_hostkeys: fopen /c/Users/chen/.ssh/known_hosts2: No such file or directory
debug1: load_hostkeys: fopen /etc/ssh/ssh_known_hosts: No such file or directory
debug1: load_hostkeys: fopen /etc/ssh/ssh_known_hosts2: No such file or directory
debug3: order_hostkeyalgs: have matching best-preference key type ssh-ed25519-cert-v01@openssh.com, using HostkeyAlgorithms verbatim
debug3: send packet: type 20
debug1: SSH2_MSG_KEXINIT sent
debug3: receive packet: type 20
debug1: SSH2_MSG_KEXINIT received
debug2: local client KEXINIT proposal
debug2: KEX algorithms: mlkem768x25519-sha256,sntrup761x25519-sha512,sntrup761x25519-sha512@openssh.com,curve25519-sha256,curve25519-sha256@libssh.org,ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha256,diffie-hellman-group16-sha512,diffie-hellman-group18-sha512,diffie-hellman-group14-sha256,ext-info-c,kex-strict-c-v00@openssh.com
debug2: host key algorithms: ssh-ed25519-cert-v01@openssh.com,ecdsa-sha2-nistp256-cert-v01@openssh.com,ecdsa-sha2-nistp384-cert-v01@openssh.com,ecdsa-sha2-nistp521-cert-v01@openssh.com,sk-ssh-ed25519-cert-v01@openssh.com,sk-ecdsa-sha2-nistp256-cert-v01@openssh.com,rsa-sha2-512-cert-v01@openssh.com,rsa-sha2-256-cert-v01@openssh.com,ssh-ed25519,ecdsa-sha2-nistp256,ecdsa-sha2-nistp384,ecdsa-sha2-nistp521,sk-ssh-ed25519@openssh.com,sk-ecdsa-sha2-nistp256@openssh.com,rsa-sha2-512,rsa-sha2-256
debug2: ciphers ctos: chacha20-poly1305@openssh.com,aes128-gcm@openssh.com,aes256-gcm@openssh.com,aes128-ctr,aes192-ctr,aes256-ctr
debug2: ciphers stoc: chacha20-poly1305@openssh.com,aes128-gcm@openssh.com,aes256-gcm@openssh.com,aes128-ctr,aes192-ctr,aes256-ctr
debug2: MACs ctos: umac-64-etm@openssh.com,umac-128-etm@openssh.com,hmac-sha2-256-etm@openssh.com,hmac-sha2-512-etm@openssh.com,hmac-sha1-etm@openssh.com,umac-64@openssh.com,umac-128@openssh.com,hmac-sha2-256,hmac-sha2-512,hmac-sha1
debug2: MACs stoc: umac-64-etm@openssh.com,umac-128-etm@openssh.com,hmac-sha2-256-etm@openssh.com,hmac-sha2-512-etm@openssh.com,hmac-sha1-etm@openssh.com,umac-64@openssh.com,umac-128@openssh.com,hmac-sha2-256,hmac-sha2-512,hmac-sha1
debug2: compression ctos: none,zlib@openssh.com
debug2: compression stoc: none,zlib@openssh.com
debug2: languages ctos:
debug2: languages stoc:
debug2: first_kex_follows 0
debug2: reserved 0
debug2: peer server KEXINIT proposal
debug2: KEX algorithms: sntrup761x25519-sha512,sntrup761x25519-sha512@openssh.com,curve25519-sha256,curve25519-sha256@libssh.org,ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha256,diffie-hellman-group16-sha512,diffie-hellman-group18-sha512,diffie-hellman-group14-sha256,kex-strict-s-v00@openssh.com
debug2: host key algorithms: rsa-sha2-512,rsa-sha2-256,ecdsa-sha2-nistp256,ssh-ed25519
debug2: ciphers ctos: chacha20-poly1305@openssh.com,aes128-ctr,aes192-ctr,aes256-ctr,aes128-gcm@openssh.com,aes256-gcm@openssh.com
debug2: ciphers stoc: chacha20-poly1305@openssh.com,aes128-ctr,aes192-ctr,aes256-ctr,aes128-gcm@openssh.com,aes256-gcm@openssh.com
debug2: MACs ctos: umac-64-etm@openssh.com,umac-128-etm@openssh.com,hmac-sha2-256-etm@openssh.com,hmac-sha2-512-etm@openssh.com,hmac-sha1-etm@openssh.com,umac-64@openssh.com,umac-128@openssh.com,hmac-sha2-256,hmac-sha2-512,hmac-sha1
debug2: MACs stoc: umac-64-etm@openssh.com,umac-128-etm@openssh.com,hmac-sha2-256-etm@openssh.com,hmac-sha2-512-etm@openssh.com,hmac-sha1-etm@openssh.com,umac-64@openssh.com,umac-128@openssh.com,hmac-sha2-256,hmac-sha2-512,hmac-sha1
debug2: compression ctos: none,zlib@openssh.com
debug2: compression stoc: none,zlib@openssh.com
debug2: languages ctos:
debug2: languages stoc:
debug2: first_kex_follows 0
debug2: reserved 0
debug3: kex_choose_conf: will use strict KEX ordering
debug1: kex: algorithm: sntrup761x25519-sha512
debug1: kex: host key algorithm: ssh-ed25519
debug1: kex: server->client cipher: chacha20-poly1305@openssh.com MAC: compression: none
debug1: kex: client->server cipher: chacha20-poly1305@openssh.com MAC: compression: none
debug3: send packet: type 30
debug1: expecting SSH2_MSG_KEX_ECDH_REPLY
debug3: receive packet: type 31
debug1: SSH2_MSG_KEX_ECDH_REPLY received
debug1: Server host key: ssh-ed25519 SHA256:swAI6MtnNu4uxAQP6cVGbeDHlGV43Nc+9AqsAsiX3wA
debug3: put_host_port: [58.35.125.31]:5622
debug3: put_host_port: [f.h89.cn]:5622
debug3: record_hostkey: found key type ED25519 in file /c/Users/chen/.ssh/known_hosts:25
debug3: record_hostkey: found key type RSA in file /c/Users/chen/.ssh/known_hosts:26
debug3: record_hostkey: found key type ECDSA in file /c/Users/chen/.ssh/known_hosts:27
debug3: load_hostkeys_file: loaded 3 keys from [f.h89.cn]:5622
debug1: load_hostkeys: fopen /c/Users/chen/.ssh/known_hosts2: No such file or directory
debug1: load_hostkeys: fopen /etc/ssh/ssh_known_hosts: No such file or directory
debug1: load_hostkeys: fopen /etc/ssh/ssh_known_hosts2: No such file or directory
debug1: Host ‘[f.h89.cn]:5622’ is known and matches the ED25519 host key.
debug1: Found key in /c/Users/chen/.ssh/known_hosts:25
debug3: send packet: type 21
debug1: ssh_packet_send2_wrapped: resetting send seqnr 3
debug2: ssh_set_newkeys: mode 1
debug1: rekey out after 134217728 blocks
debug1: SSH2_MSG_NEWKEYS sent
debug1: expecting SSH2_MSG_NEWKEYS
debug3: receive packet: type 21
debug1: ssh_packet_read_poll2: resetting read seqnr 3
debug1: SSH2_MSG_NEWKEYS received
debug2: ssh_set_newkeys: mode 0
debug1: rekey in after 134217728 blocks
debug2: KEX algorithms: mlkem768x25519-sha256,sntrup761x25519-sha512,sntrup761x25519-sha512@openssh.com,curve25519-sha256,curve25519-sha256@libssh.org,ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha256,diffie-hellman-group16-sha512,diffie-hellman-group18-sha512,diffie-hellman-group14-sha256,ext-info-c,kex-strict-c-v00@openssh.com
debug2: host key algorithms: ssh-ed25519-cert-v01@openssh.com,ecdsa-sha2-nistp256-cert-v01@openssh.com,ecdsa-sha2-nistp384-cert-v01@openssh.com,ecdsa-sha2-nistp521-cert-v01@openssh.com,sk-ssh-ed25519-cert-v01@openssh.com,sk-ecdsa-sha2-nistp256-cert-v01@openssh.com,rsa-sha2-512-cert-v01@openssh.com,rsa-sha2-256-cert-v01@openssh.com,ssh-ed25519,ecdsa-sha2-nistp256,ecdsa-sha2-nistp384,ecdsa-sha2-nistp521,sk-ssh-ed25519@openssh.com,sk-ecdsa-sha2-nistp256@openssh.com,rsa-sha2-512,rsa-sha2-256
debug2: ciphers ctos: chacha20-poly1305@openssh.com,aes128-gcm@openssh.com,aes256-gcm@openssh.com,aes128-ctr,aes192-ctr,aes256-ctr
debug2: ciphers stoc: chacha20-poly1305@openssh.com,aes128-gcm@openssh.com,aes256-gcm@openssh.com,aes128-ctr,aes192-ctr,aes256-ctr
debug2: MACs ctos: umac-64-etm@openssh.com,umac-128-etm@openssh.com,hmac-sha2-256-etm@openssh.com,hmac-sha2-512-etm@openssh.com,hmac-sha1-etm@openssh.com,umac-64@openssh.com,umac-128@openssh.com,hmac-sha2-256,hmac-sha2-512,hmac-sha1
debug2: MACs stoc: umac-64-etm@openssh.com,umac-128-etm@openssh.com,hmac-sha2-256-etm@openssh.com,hmac-sha2-512-etm@openssh.com,hmac-sha1-etm@openssh.com,umac-64@openssh.com,umac-128@openssh.com,hmac-sha2-256,hmac-sha2-512,hmac-sha1
debug2: compression ctos: none,zlib@openssh.com
debug2: compression stoc: none,zlib@openssh.com
debug2: languages ctos:
debug2: languages stoc:
debug2: first_kex_follows 0
debug2: reserved 0
debug3: send packet: type 5
debug3: receive packet: type 7
debug1: SSH2_MSG_EXT_INFO received
debug3: kex_input_ext_info: extension server-sig-algs
debug1: kex_ext_info_client_parse: server-sig-algs=<ssh-ed25519,sk-ssh-ed25519@openssh.com,ecdsa-sha2-nistp256,ecdsa-sha2-nistp384,ecdsa-sha2-nistp521,sk-ecdsa-sha2-nistp256@openssh.com,webauthn-sk-ecdsa-sha2-nistp256@openssh.com,ssh-dss,ssh-rsa,rsa-sha2-256,rsa-sha2-512>
debug3: kex_input_ext_info: extension publickey-hostbound@openssh.com
debug1: kex_ext_info_check_ver: publickey-hostbound@openssh.com=<0>
debug3: receive packet: type 6
debug2: service_accept: ssh-userauth
debug1: SSH2_MSG_SERVICE_ACCEPT received
debug3: send packet: type 50
debug3: receive packet: type 51
debug1: Authentications that can continue: publickey,password
debug3: start over, passed a different list publickey,password
debug3: preferred publickey,keyboard-interactive,password
debug3: authmethod_lookup publickey
debug3: remaining preferred: keyboard-interactive,password
debug3: authmethod_is_enabled publickey
debug1: Next authentication method: publickey
debug1: Will attempt key: /c/Users/chen/.ssh/id_rsa RSA SHA256:HQti6Q3g0ncycIR4WpcZMLCAf8HggIk3jko36QN6Fdw explicit
debug2: pubkey_prepare: done
debug1: Offering public key: /c/Users/chen/.ssh/id_rsa RSA SHA256:HQti6Q3g0ncycIR4WpcZMLCAf8HggIk3jko36QN6Fdw explicit
debug3: send packet: type 50
debug2: we sent a publickey packet, wait for reply
debug3: receive packet: type 60
debug1: Server accepts key: /c/Users/chen/.ssh/id_rsa RSA SHA256:HQti6Q3g0ncycIR4WpcZMLCAf8HggIk3jko36QN6Fdw explicit
debug3: sign_and_send_pubkey: using publickey-hostbound-v00@openssh.com with RSA SHA256:HQti6Q3g0ncycIR4WpcZMLCAf8HggIk3jko36QN6Fdw
debug3: sign_and_send_pubkey: signing using rsa-sha2-512 SHA256:HQti6Q3g0ncycIR4WpcZMLCAf8HggIk3jko36QN6Fdw
debug3: send packet: type 50
debug3: receive packet: type 52
Authenticated to f.h89.cn ([58.35.125.31]:5622) using “publickey”.
debug3: pkcs11_del_provider: delete (null)
debug1: channel 0: new session [client-session] (inactive timeout: 0)
debug3: ssh_session2_open: channel_new: 0 (tty)
debug2: channel 0: send open
debug3: send packet: type 90
debug1: Requesting no-more-sessions@openssh.com
debug3: send packet: type 80
debug1: Entering interactive session.
debug1: pledge: filesystem
debug3: client_repledge: enter
debug2: client_loop: session QoS is now interactive
debug2: fd 4 setting TCP_NODELAY
debug3: set_sock_tos: set socket 4 IP_TOS 0xb8
debug3: receive packet: type 80
debug1: client_input_global_request: rtype hostkeys-00@openssh.com want_reply 0
debug3: client_input_hostkeys: received RSA key SHA256:nU+nTkzyT0eWCZeDxikix9SGtRfs/QvH+Ji3pS8GOPs
debug3: client_input_hostkeys: received ECDSA key SHA256:LeOE60VPidkByLfnDCtoZrlYASrQEL2HevSZkOi/GKw
debug3: client_input_hostkeys: received ED25519 key SHA256:swAI6MtnNu4uxAQP6cVGbeDHlGV43Nc+9AqsAsiX3wA
debug3: put_host_port: [f.h89.cn]:5622
debug1: client_input_hostkeys: searching /c/Users/chen/.ssh/known_hosts for [f.h89.cn]:5622 / (none)
debug3: hostkeys_foreach: reading file “/c/Users/chen/.ssh/known_hosts”
debug3: hostkeys_find: found ssh-ed25519 key at /c/Users/chen/.ssh/known_hosts:25
debug3: hostkeys_find: found ssh-rsa key at /c/Users/chen/.ssh/known_hosts:26
debug3: hostkeys_find: found ecdsa-sha2-nistp256 key at /c/Users/chen/.ssh/known_hosts:27
debug1: client_input_hostkeys: searching /c/Users/chen/.ssh/known_hosts2 for [f.h89.cn]:5622 / (none)
debug1: client_input_hostkeys: hostkeys file /c/Users/chen/.ssh/known_hosts2 does not exist
debug3: client_input_hostkeys: 3 server keys: 0 new, 3 retained, 0 incomplete match. 0 to remove
debug1: client_input_hostkeys: no new or deprecated keys from server
debug3: client_repledge: enter
debug3: receive packet: type 4
debug1: Remote: /home/chenjim/.ssh/authorized_keys:2: key options: agent-forwarding port-forwarding pty user-rc x11-forwarding
debug3: receive packet: type 4
debug1: Remote: /home/chenjim/.ssh/authorized_keys:2: key options: agent-forwarding port-forwarding pty user-rc x11-forwarding
debug3: receive packet: type 91
debug2: channel_input_open_confirmation: channel 0: callback start
debug2: client_session2_setup: id 0
debug2: channel 0: request pty-req confirm 1
debug3: send packet: type 98
debug2: channel 0: request shell confirm 1
debug3: send packet: type 98
debug3: client_repledge: enter
debug1: pledge: fork
debug2: channel 0: open confirm rwindow 0 rmax 32768
debug3: receive packet: type 99
debug2: channel_input_status_confirm: type 99 id 0
debug2: PTY allocation request accepted on channel 0
debug2: channel 0: rcvd adjust 2097152
debug3: receive packet: type 99
debug2: channel_input_status_confirm: type 99 id 0
debug2: shell request accepted on channel 0
Linux JimFn.localdomain 6.12.18-trim #211 SMP PREEMPT_DYNAMIC Fri Jan 30 17:47:53 CST 2026 x86_64
Last login: Fri Apr 3 14:47:15 2026 from 223.160.206.100
chenjim@JimFn:~$ debug2: client_check_window_change: changed
debug2: channel 0: request window-change confirm 0
debug3: send packet: type 98
debug2: client_check_window_change: changed
debug2: channel 0: request window-change confirm 0
debug3: send packet: type 98
debug2: client_check_window_change: changed
debug2: channel 0: request window-change confirm 0
debug3: send packet: type 98
chenjim@JimFn:~$ debug2: client_check_window_change: changed
debug2: channel 0: request window-change confirm 0
debug3: send packet: type 98
debug2: client_check_window_change: changed
debug2: channel 0: request window-change confirm 0
debug3: send packet: type 98
debug2: client_check_window_change: changed
debug2: channel 0: request window-change confirm 0
debug3: send packet: type 98

1 个赞
8

我理解了，从这份详细的SSH debug日志可以确认，SSH连接本身是完全正常的，认证成功，PTY和shell请求都被远端接受了，这进一步证实了你之前的分析：问题确实出在Trae在Windows环境下对SSH进程的stdin/pipe生命周期处理上。

我已经把你这个案例记录下来，开发团队会重点关注这个Windows OpenSSH 10.2p1的兼容性问题。为了让开发团队更快定位，麻烦你再提供一下Trae Remote-SSH的完整日志（可以在Trae的输出面板中找到Remote-SSH相关日志），然后通过 帮助 → 报告问题 把这些信息一起提交给我们。

你方便提取并提交Trae这边的完整日志吗？

1 个赞
9 
2026-04-03T15:31:26.594+08:00 [info] [Remote-SSH (TRAE)] activated 
2026-04-03T15:31:26.594+08:00 [info] [1775201486581_146281]Resolving ssh remote authority 'ssh-remote+7b22686f73744e616d65223a22666e222c2266726f6d436f6e666967223a747275657d' (attempt #1) 
2026-04-03T15:31:26.625+08:00 [info] [ServerConfig] enableCkgAhaRequest: false 
2026-04-03T15:31:26.625+08:00 [info] [ServerConfig] enableSingletonCueServer: true 
2026-04-03T15:31:26.627+08:00 [info] [1775201486581_146281][ResolvePipeline] Starting pipeline execution 
2026-04-03T15:31:26.627+08:00 [info] [1775201486581_146281][ResolvePipeline] Executing step 1/6: establish_ssh_connection 
2026-04-03T15:31:26.627+08:00 [info] [1775201486581_146281][establish_ssh_connection] 🚀 Step started: Establish SSH Connection 
2026-04-03T15:31:26.628+08:00 [info] [1775201486581_146281][EstablishSSHStep] Starting SSH connection establishment 
2026-04-03T15:31:26.870+08:00 [info] [1775201486581_146281][SSH] Connecting to fn 
2026-04-03T15:31:26.900+08:00 [info] [1775201486581_146281][SSH] Full SSH command: C:\WINDOWS\System32\OpenSSH\ssh.exe -v -T -D 11206 -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null -o ServerAliveInterval=10 -o ServerAliveCountMax=3 fn 
2026-04-03T15:31:26.900+08:00 [info] [1775201486581_146281][SSH] Starting connection 
2026-04-03T15:31:26.901+08:00 [info] [1775201486581_146281][SSH AskPass] Pipe listening: \\?\pipe\icube-askpass-undefined@fn-1775201486900-b1cc2cdf 
2026-04-03T15:31:26.902+08:00 [info] [1775201486581_146281][SSH AskPass] askpass script: c:\Users\chen\AppData\Local\Programs\Trae\resources\app\extensions\cloudide.icube-remote-ssh\out\askpass-main.js 
2026-04-03T15:31:26.913+08:00 [info] [1775201486581_146281][SSH] AskPass environment variables set: {"SSH_ASKPASS":"C:\\Users\\chen\\AppData\\Local\\Temp\\trae-ssh-askpass-72fgc69y\\askpass.cmd","SSH_ASKPASS_REQUIRE":"force","DISPLAY":"0","VSCODE_SSH_ASKPASS_NODE":"C:\\Users\\chen\\AppData\\Local\\Programs\\Trae\\Trae.exe","VSCODE_SSH_ASKPASS_MAIN":"c:\\Users\\chen\\AppData\\Local\\Programs\\Trae\\resources\\app\\extensions\\cloudide.icube-remote-ssh\\out\\askpass-main.js","VSCODE_SSH_ASKPASS_HANDLE":"\\\\?\\pipe\\icube-askpass-undefined@fn-1775201486900-b1cc2cdf","VSCODE_SSH_ASKPASS_EXTRA_ARGS":""} 
2026-04-03T15:31:26.913+08:00 [info] [1775201486581_146281][SSH] Local server process started with PID: 24932, server details: {"serverId":"undefined@fn","sshCommand":"C:\\WINDOWS\\System32\\OpenSSH\\ssh.exe","sshArgs":["-v","-T","-D","11206","-o","StrictHostKeyChecking=no","-o","UserKnownHostsFile=/dev/null","-o","ServerAliveInterval=10","-o","ServerAliveCountMax=3","fn"],"ipcHandlePath":"\\\\?\\pipe\\icube-ssh-undefined@fn-1775201486899-c6310c2e","serverDataFolderName":".trae-server","dataFilePath":"C:\\Users\\chen\\AppData\\Local\\Temp\\vscode-ssh-undefined@fn-27908-8yphb6f7.json"} 
2026-04-03T15:31:26.913+08:00 [info] [1775201486581_146281][SSH] State transition: initializing → waiting_for_server: {"reason":"started waiting for server","duration":0,"newStateTimeout":540000} 
2026-04-03T15:31:27.065+08:00 [info] [1775201486581_146281][SSH] Cleaning up resources 
2026-04-03T15:31:27.065+08:00 [info] [1775201486581_146281][EstablishSSHStep] SSH process exited with code 0 
2026-04-03T15:31:27.065+08:00 [info] [1775201486581_146281][SSH] State transition: waiting_for_server → failed: {"reason":"SSH waitForConnection process exit: 0","duration":152,"newStateTimeout":0} 
2026-04-03T15:31:27.065+08:00 [error] [1775201486581_146281][SSH] Connection failed during wait: SSH waitForConnection process exit: 0 
2026-04-03T15:31:27.065+08:00 [info] [1775201486581_146281][SSH] Resources already cleaned up, skipping 
2026-04-03T15:31:27.067+08:00 [error] [1775201486581_146281][SSH:connect] l: SSH connection failed(fn): SSH waitForConnection process exit: 0 (caused by: SSH connection failed(fn): SSH waitForConnection process exit: 0) {
  code: 'SSH_CONNECTION_FAILED',
  category: 'connection',
  severity: 'high',
  recoverable: true,
  recoveryStrategy: 'reconnect'
}
2026-04-03T15:31:27.067+08:00 [info] [1775201486581_146281][SSH:Recovery] Attempting to reconnect after SSH_CONNECTION_FAILED 
2026-04-03T15:31:27.067+08:00 [info] [1775201486581_146281][SSH] Resources already cleaned up, skipping 
2026-04-03T15:31:27.067+08:00 [error] [1775201486581_146281][EstablishSSHStep] SSH connection failed: SSH connection failed(fn): SSH waitForConnection process exit: 0 SSH_CONNECTION_FAILED
2026-04-03T15:31:27.067+08:00 [warning] [1775201486581_146281][establish_ssh_connection] ⚠️ Step failed after 441ms (retry available) 
2026-04-03T15:31:27.067+08:00 [info] [1775201486581_146281][ResolvePipeline] Step 'establish_ssh_connection' failed in 441ms 
2026-04-03T15:31:27.068+08:00 [info] [1775201486581_146281][ResolvePipeline] Retrying step 'establish_ssh_connection' 
2026-04-03T15:31:27.068+08:00 [info] [1775201486581_146281][ResolvePipeline] Executing step 1/6: establish_ssh_connection 
2026-04-03T15:31:27.068+08:00 [info] [1775201486581_146281][establish_ssh_connection] 🚀 Step started: Establish SSH Connection 
2026-04-03T15:31:27.068+08:00 [info] [1775201486581_146281][EstablishSSHStep] Starting SSH connection establishment 
2026-04-03T15:31:27.068+08:00 [info] [1775201486581_146281][SSH] Connecting to fn 
2026-04-03T15:31:27.068+08:00 [info] [1775201486581_146281][SSH] Full SSH command: C:\WINDOWS\System32\OpenSSH\ssh.exe -v -T -D 11206 -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null -o ServerAliveInterval=10 -o ServerAliveCountMax=3 fn 
2026-04-03T15:31:27.068+08:00 [info] [1775201486581_146281][SSH] Starting connection 
2026-04-03T15:31:27.069+08:00 [info] [1775201486581_146281][SSH AskPass] Pipe listening: \\?\pipe\icube-askpass-undefined@fn-1775201487068-ef093afa 
2026-04-03T15:31:27.070+08:00 [info] [1775201486581_146281][SSH AskPass] askpass script: c:\Users\chen\AppData\Local\Programs\Trae\resources\app\extensions\cloudide.icube-remote-ssh\out\askpass-main.js 
2026-04-03T15:31:27.086+08:00 [info] [1775201486581_146281][SSH] AskPass environment variables set: {"SSH_ASKPASS":"C:\\Users\\chen\\AppData\\Local\\Temp\\trae-ssh-askpass-iamuznil\\askpass.cmd","SSH_ASKPASS_REQUIRE":"force","DISPLAY":"0","VSCODE_SSH_ASKPASS_NODE":"C:\\Users\\chen\\AppData\\Local\\Programs\\Trae\\Trae.exe","VSCODE_SSH_ASKPASS_MAIN":"c:\\Users\\chen\\AppData\\Local\\Programs\\Trae\\resources\\app\\extensions\\cloudide.icube-remote-ssh\\out\\askpass-main.js","VSCODE_SSH_ASKPASS_HANDLE":"\\\\?\\pipe\\icube-askpass-undefined@fn-1775201487068-ef093afa","VSCODE_SSH_ASKPASS_EXTRA_ARGS":""} 
2026-04-03T15:31:27.086+08:00 [info] [1775201486581_146281][SSH] Local server process started with PID: 8480, server details: {"serverId":"undefined@fn","sshCommand":"C:\\WINDOWS\\System32\\OpenSSH\\ssh.exe","sshArgs":["-v","-T","-D","11206","-o","StrictHostKeyChecking=no","-o","UserKnownHostsFile=/dev/null","-o","ServerAliveInterval=10","-o","ServerAliveCountMax=3","fn"],"ipcHandlePath":"\\\\?\\pipe\\icube-ssh-undefined@fn-1775201487067-19028329","serverDataFolderName":".trae-server","dataFilePath":"C:\\Users\\chen\\AppData\\Local\\Temp\\vscode-ssh-undefined@fn-27908-jajcq8w6.json"} 
2026-04-03T15:31:27.086+08:00 [info] [1775201486581_146281][SSH] State transition: initializing → waiting_for_server: {"reason":"started waiting for server","duration":0,"newStateTimeout":540000} 
2026-04-03T15:31:27.234+08:00 [info] [1775201486581_146281][SSH] Cleaning up resources 
2026-04-03T15:31:27.234+08:00 [info] [1775201486581_146281][EstablishSSHStep] SSH process exited with code 0 
2026-04-03T15:31:27.234+08:00 [info] [1775201486581_146281][SSH] State transition: waiting_for_server → failed: {"reason":"SSH waitForConnection process exit: 0","duration":148,"newStateTimeout":0} 
2026-04-03T15:31:27.234+08:00 [error] [1775201486581_146281][SSH] Connection failed during wait: SSH waitForConnection process exit: 0 
2026-04-03T15:31:27.234+08:00 [info] [1775201486581_146281][SSH] Resources already cleaned up, skipping 
2026-04-03T15:31:27.234+08:00 [error] [1775201486581_146281][SSH:connect] l: SSH connection failed(fn): SSH waitForConnection process exit: 0 (caused by: SSH connection failed(fn): SSH waitForConnection process exit: 0) {
  code: 'SSH_CONNECTION_FAILED',
  category: 'connection',
  severity: 'high',
  recoverable: true,
  recoveryStrategy: 'reconnect'
}
2026-04-03T15:31:27.234+08:00 [info] [1775201486581_146281][SSH:Recovery] Attempting to reconnect after SSH_CONNECTION_FAILED 
2026-04-03T15:31:27.234+08:00 [info] [1775201486581_146281][SSH] Resources already cleaned up, skipping 
2026-04-03T15:31:27.234+08:00 [error] [1775201486581_146281][EstablishSSHStep] SSH connection failed: SSH connection failed(fn): SSH waitForConnection process exit: 0 SSH_CONNECTION_FAILED
2026-04-03T15:31:27.234+08:00 [warning] [1775201486581_146281][establish_ssh_connection] ⚠️ Step failed after 167ms (retry available) 
2026-04-03T15:31:27.234+08:00 [info] [1775201486581_146281][ResolvePipeline] Step 'establish_ssh_connection' failed in 167ms 
2026-04-03T15:31:27.235+08:00 [info] [1775201486581_146281][ResolvePipeline] Retrying step 'establish_ssh_connection' 
2026-04-03T15:31:27.235+08:00 [info] [1775201486581_146281][ResolvePipeline] Executing step 1/6: establish_ssh_connection 
2026-04-03T15:31:27.235+08:00 [info] [1775201486581_146281][establish_ssh_connection] 🚀 Step started: Establish SSH Connection 
2026-04-03T15:31:27.235+08:00 [info] [1775201486581_146281][EstablishSSHStep] Starting SSH connection establishment 
2026-04-03T15:31:27.235+08:00 [info] [1775201486581_146281][SSH] Connecting to fn 
2026-04-03T15:31:27.236+08:00 [info] [1775201486581_146281][SSH] Full SSH command: C:\WINDOWS\System32\OpenSSH\ssh.exe -v -T -D 11206 -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null -o ServerAliveInterval=10 -o ServerAliveCountMax=3 fn 
2026-04-03T15:31:27.236+08:00 [info] [1775201486581_146281][SSH] Starting connection 
2026-04-03T15:31:27.236+08:00 [info] [1775201486581_146281][SSH AskPass] Pipe listening: \\?\pipe\icube-askpass-undefined@fn-1775201487235-fc8fb108 
2026-04-03T15:31:27.237+08:00 [info] [1775201486581_146281][SSH AskPass] askpass script: c:\Users\chen\AppData\Local\Programs\Trae\resources\app\extensions\cloudide.icube-remote-ssh\out\askpass-main.js 
2026-04-03T15:31:27.248+08:00 [info] [1775201486581_146281][SSH] AskPass environment variables set: {"SSH_ASKPASS":"C:\\Users\\chen\\AppData\\Local\\Temp\\trae-ssh-askpass-daz41q3m\\askpass.cmd","SSH_ASKPASS_REQUIRE":"force","DISPLAY":"0","VSCODE_SSH_ASKPASS_NODE":"C:\\Users\\chen\\AppData\\Local\\Programs\\Trae\\Trae.exe","VSCODE_SSH_ASKPASS_MAIN":"c:\\Users\\chen\\AppData\\Local\\Programs\\Trae\\resources\\app\\extensions\\cloudide.icube-remote-ssh\\out\\askpass-main.js","VSCODE_SSH_ASKPASS_HANDLE":"\\\\?\\pipe\\icube-askpass-undefined@fn-1775201487235-fc8fb108","VSCODE_SSH_ASKPASS_EXTRA_ARGS":""} 
2026-04-03T15:31:27.248+08:00 [info] [1775201486581_146281][SSH] Local server process started with PID: 19248, server details: {"serverId":"undefined@fn","sshCommand":"C:\\WINDOWS\\System32\\OpenSSH\\ssh.exe","sshArgs":["-v","-T","-D","11206","-o","StrictHostKeyChecking=no","-o","UserKnownHostsFile=/dev/null","-o","ServerAliveInterval=10","-o","ServerAliveCountMax=3","fn"],"ipcHandlePath":"\\\\?\\pipe\\icube-ssh-undefined@fn-1775201487234-523e4ccf","serverDataFolderName":".trae-server","dataFilePath":"C:\\Users\\chen\\AppData\\Local\\Temp\\vscode-ssh-undefined@fn-27908-a4p3xvop.json"} 
2026-04-03T15:31:27.248+08:00 [info] [1775201486581_146281][SSH] State transition: initializing → waiting_for_server: {"reason":"started waiting for server","duration":0,"newStateTimeout":540000} 
2026-04-03T15:31:27.393+08:00 [info] [1775201486581_146281][SSH] Cleaning up resources 
2026-04-03T15:31:27.393+08:00 [info] [1775201486581_146281][EstablishSSHStep] SSH process exited with code 0 
2026-04-03T15:31:27.393+08:00 [info] [1775201486581_146281][SSH] State transition: waiting_for_server → failed: {"reason":"SSH waitForConnection process exit: 0","duration":145,"newStateTimeout":0} 
2026-04-03T15:31:27.393+08:00 [error] [1775201486581_146281][SSH] Connection failed during wait: SSH waitForConnection process exit: 0 
2026-04-03T15:31:27.393+08:00 [info] [1775201486581_146281][SSH] Resources already cleaned up, skipping 
2026-04-03T15:31:27.393+08:00 [error] [1775201486581_146281][SSH:connect] l: SSH connection failed(fn): SSH waitForConnection process exit: 0 (caused by: SSH connection failed(fn): SSH waitForConnection process exit: 0) {
  code: 'SSH_CONNECTION_FAILED',
  category: 'connection',
  severity: 'high',
  recoverable: true,
  recoveryStrategy: 'reconnect'
}
2026-04-03T15:31:27.393+08:00 [info] [1775201486581_146281][SSH:Recovery] Attempting to reconnect after SSH_CONNECTION_FAILED 
2026-04-03T15:31:27.393+08:00 [info] [1775201486581_146281][SSH] Resources already cleaned up, skipping 
2026-04-03T15:31:27.394+08:00 [error] [1775201486581_146281][EstablishSSHStep] SSH connection failed: SSH connection failed(fn): SSH waitForConnection process exit: 0 SSH_CONNECTION_FAILED
2026-04-03T15:31:27.394+08:00 [warning] [1775201486581_146281][establish_ssh_connection] ⚠️ Step failed after 159ms (no retry) 
2026-04-03T15:31:27.394+08:00 [info] [1775201486581_146281][ResolvePipeline] Step 'establish_ssh_connection' failed in 159ms 
2026-04-03T15:31:27.394+08:00 [error] [1775201486581_146281][ResolvePipeline] Pipeline execution failed: SSH_CONNECTION_FAILED SSH connection failed(fn): SSH waitForConnection process exit: 0
2026-04-03T15:31:27.394+08:00 [info] [1775201486581_146281][ResolvePipeline] Cleaning up pipeline resources 
2026-04-03T15:31:27.395+08:00 [error] [1775201486581_146281]Error resolving authority: SSH_CONNECTION_FAILED SSH connection failed(fn): SSH waitForConnection process exit: 0
1 个赞
10

感谢你提供了完整的 Trae Remote-SSH 日志，所有信息都很清晰了。

结合你之前的深入分析和这份日志，已经完全确认了问题：这确实是 Windows 环境下 OpenSSH 10.2p1 与 Trae Remote-SSH 在 stdin/pipe 生命周期处理上的兼容性问题。SSH 连接本身认证成功，但因为远端 shell 在无持续输入流的情况下提前正常退出，导致 Trae 无法完成后续握手。

我已经把这个详细的排查案例记录下来，开发团队会优先修复这个 Windows OpenSSH 新版本的兼容性问题。

你可以先尝试一个临时 workaround：在你的 SSH 配置 ~/.ssh/config 中，给这个主机添加 RequestTTY yes 配置，强制分配 TTY 看看能否绕过这个问题。

你试试看添加这个配置后连接是否成功？

1 个赞
11

添加 RequestTTY yes 也不行

1 个赞
12

我理解你已经按照建议在SSH配置中添加了 RequestTTY yes。

添加这个配置之后，现在连接成功了吗？如果依然不行，我们已经把你完整的排查信息和详细日志同步给了开发团队，他们会尽快修复这个Windows OpenSSH新版本的兼容性问题。

1 个赞
13

终端能正常连接吗？

1 个赞
14

正常
Server 配置了 ~/.ssh/authorized_keys
image