PuTTY bug ext-data-at-start

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summary: "unexpected packet type 95" with VShell 2.1.5
class: bug: This is clearly an actual problem we want fixed.
present-in: 0.53b
fixed-in: 2004-11-28 (0.58) (0.59) (0.60) (0.61) (0.62) (0.63) (0.64)

We've had one report of the error Unexpected response to shell/command request: packet type 95 when connecting to VShell 2.1.5 with PSCP.

Packet type 95 is SSH2_MSG_CHANNEL_EXTENDED_DATA. Perhaps this is VShell complaining on stderr about a nonexistent SFTP server subsystem, or similar?

This seems likely to have the same root cause as `portfwd-at-start': brittle code at connection startup.

Ref. <5.2.1.1.2.20030706150354.00b4e718@localhost>

SGT, 2004-11-27: I've rearchitected the SSH back end somewhat, so that it's now a hybrid of coroutine-based sequential code and random dispatch-table handling of incoming packets. This ought to solve this problem, although I'm unable to immediately test it.

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(last revision of this bug record was at 2004-11-29 08:18:27 +0000)