确认密码正确但SSH连接树莓派提示Permission denied的问题求助

大家好，我现在碰到个头疼的问题：我百分百确定输入的密码是对的，但就是没法通过SSH连接到我的树莓派。下面是我执行的命令和完整的调试输出，希望有大佬能帮我找找问题出在哪。

我执行的SSH命令：

ssh -v pi@192.168.0.30

完整的调试日志：

OpenSSH_7.4p1, OpenSSL 1.0.2k-fips  26 Jan 2017

debug1: Reading configuration data /home/fixik/.ssh/config
debug1: /home/fixik/.ssh/config line 1: Applying options for *
debug1: Reading configuration data /etc/ssh/ssh_config
debug1: /etc/ssh/ssh_config line 58: Applying options for *
debug1: Connecting to 192.168.0.30 [192.168.0.30] port 22.
debug1: Connection established.
debug1: key_load_public: No such file or directory
debug1: identity file /home/fixik/.ssh/id_rsa type -1
debug1: key_load_public: No such file or directory
debug1: identity file /home/fixik/.ssh/id_rsa-cert type -1
debug1: key_load_public: No such file or directory
debug1: identity file /home/fixik/.ssh/id_dsa type -1
debug1: key_load_public: No such file or directory
debug1: identity file /home/fixik/.ssh/id_dsa-cert type -1
debug1: key_load_public: No such file or directory
debug1: identity file /home/fixik/.ssh/id_ecdsa type -1
debug1: key_load_public: No such file or directory
debug1: identity file /home/fixik/.ssh/id_ecdsa-cert type -1
debug1: key_load_public: No such file or directory
debug1: identity file /home/fixik/.ssh/id_ed25519 type -1
debug1: key_load_public: No such file or directory
debug1: identity file /home/fixik/.ssh/id_ed25519-cert type -1
debug1: Enabling compatibility mode for protocol 2.0
debug1: Local version string SSH-2.0-OpenSSH_7.4
debug1: Remote protocol version 2.0, remote software version OpenSSH_7.4p1 Raspbian-10+deb9u4
debug1: match: OpenSSH_7.4p1 Raspbian-10+deb9u4 pat OpenSSH* compat 0x04000000
debug1: Authenticating to 192.168.0.30:22 as 'pi'
debug1: SSH2_MSG_KEXINIT sent
debug1: SSH2_MSG_KEXINIT received
debug1: kex: algorithm: curve25519-sha256
debug1: kex: host key algorithm: ecdsa-sha2-nistp256
debug1: kex: server->client cipher: chacha20-poly1305@openssh.com MAC: <implicit> compression: none
debug1: kex: client->server cipher: chacha20-poly1305@openssh.com MAC: <implicit> compression: none
debug1: kex: curve25519-sha256 need=64 dh_need=64
debug1: kex: curve25519-sha256 need=64 dh_need=64
debug1: expecting SSH2_MSG_KEX_ECDH_REPLY
debug1: Server host key: ecdsa-sha2-nistp256 SHA256:nkw0sJMNMqv4Ps9o5QeDZq7N46LVTU3JW34IgoMeEZo
debug1: Host '192.168.0.30' is known and matches the ECDSA host key.
debug1: Found key in /home/fixik/.ssh/known_hosts:6
debug1: rekey after 134217728 blocks
debug1: SSH2_MSG_NEWKEYS sent
debug1: expecting SSH2_MSG_NEWKEYS
debug1: SSH2_MSG_NEWKEYS received
debug1: rekey after 134217728 blocks
debug1: SSH2_MSG_EXT_INFO received
debug1: kex_input_ext_info: server-sig-algs=<ssh-ed25519,ssh-rsa,ssh-dss,ecdsa-sha2-nistp256,ecdsa-sha2-nistp384,ecdsa-sha2-nistp521>
debug1: SSH2_MSG_SERVICE_ACCEPT received
debug1: Authentications that can continue: publickey,password
debug1: Next authentication method: publickey
debug1: Trying private key: /home/fixik/.ssh/id_rsa
debug1: Trying private key: /home/fixik/.ssh/id_dsa
debug1: Trying private key: /home/fixik/.ssh/id_ecdsa
debug1: Trying private key: /home/fixik/.ssh/id_ed25519
debug1: Next authentication method: password
pi@192.168.0.30's password:
debug1: Authentications that can continue: publickey,password
Permission denied, please try again.
pi@192.168.0.30's password:

我自己初步查了下，网络肯定是通的（连接能正常建立），密码也反复核对过绝对没错，但就是一直跳权限拒绝。有没有朋友遇到过类似情况？或者能从日志里看出什么端倪吗？另外也想请教下，有没有什么常见的排查步骤可以试试？比如是不是树莓派这边的SSH配置有什么限制，或者用户权限的问题？

备注：内容来源于stack exchange，提问作者Gregory