Date: Wed, 15 Nov 1995 17:56:22 +0200 (EET) From: "Andrew V. Stesin" <stesin@elvisti.kiev.ua> To: tateoka@pdcd.ilab.toshiba.co.jp (Masamichi Tateoka) Cc: hackers@freebsd.org Subject: Re: Is TTYHOG too small? (Re: STARTECH ...550CP chips are Ok for me. ) Message-ID: <199511151556.RAA17559@office.elvisti.kiev.ua> In-Reply-To: <199511150828.RAA03853@pdcd-mail.pdcd.ilab.toshiba.co.jp> from "Masamichi Tateoka" at Nov 15, 95 05:28:10 pm
next in thread | previous in thread | raw e-mail | index | archive | help
Hello Masamichi, I'm forvarding your message to hackers@freebsd.org mailing list, 'cause I have about nothing to comment on the issue myself (it's above my today's competence, sorry ); maybe somebody more knowlegeable will comment? As for me, I've noticed UUCP 'i' protocol mailfunction on big packets, too; but in my case it was 2048 bytes packet, and 1024 byte packets worked Ok, so I relaxed. Seems that your situation was actively discussed a while ago with no specific conclusions; I think you could discover something important. # Dear, Andrew. # # I found a solution to my problem with UUCP i protocol. # It's not in the sio.c but tty.h. # # after 2.0.5, clist size limited by c_cbmax. # and c_cbmax's value from TTYHOG in tty.h. # but flow control refer to t_hiwat from TTYMAXHIWAT. # and TTYHOG < TTYMAXHIWAT. # # I think It cause unusual flow control ( by no more clist ). # # Last night, I increased TTYHOG to 4096 in 2.1.0-951104-SNAP and # recompiled my kernel. # I tryed UUCP communication, and uucico completed i protocol transfer. # # I don't make clear that TTYHOG > TTYMAXHIWAT is a sufficient condition or # TTYHOG size is impotant. ( I wanted to sleep last night. ;-) # But I expected you to make clear immediately you see it. # So, I mail you now. # # Masamichi Tateoka # tateoka@pdcd.ilab.toshiba.co.jp # tateoka@yasai.forus.or.jp (HOME) # -- With best regards -- Andrew Stesin. +380 (44) 2760188 +380 (44) 2713457 +380 (44) 2713560 An undocumented feature is a coding error.
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?199511151556.RAA17559>