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SubjectRe: [Bug #14015] pty regressed again, breaking expect and gcc's testsuite
Alan Cox <> writes:

>> So, it will use the 64kb limit at least few paths, and I'm not sure
>> though, non-n_tty path (e.g. ppp) doesn't use tty_write_room() check
>> always. It may not be consistent if we removed pty_space() in pty_write().
> The correct behaviour for most network protocols to overflow is to drop
> packets so the behaviour of not checking was intentional.

I see. I meant, ppp doesn't check (64kb) on write, but post-process(?)
checks (8kb). If there is this situation, I just worried it becomes the
cause of wrong behavior.

OGAWA Hirofumi <>

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