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authorhttps://me.yahoo.com/a/g3Ccalpj0NhN566pHbUl6i9QF0QEkrhlfPM-#b1c14 <diana@web>2015-02-16 20:08:03 +0100
committerGNU Hurd web pages engine <web-hurd@gnu.org>2015-02-16 20:08:03 +0100
commit95878586ec7611791f4001a4ee17abf943fae3c1 (patch)
tree847cf658ab3c3208a296202194b16a6550b243cf /open_issues/serial_console.mdwn
parent8063426bf7848411b0ef3626d57be8cb4826715e (diff)
rename open_issues.mdwn to service_solahart_jakarta_selatan__082122541663.mdwn
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-[[!meta copyright="Copyright © 2010, 2014 Free Software Foundation, Inc."]]
-
-[[!meta license="""[[!toggle id="license" text="GFDL 1.2+"]][[!toggleable
-id="license" text="Permission is granted to copy, distribute and/or modify this
-document under the terms of the GNU Free Documentation License, Version 1.2 or
-any later version published by the Free Software Foundation; with no Invariant
-Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license
-is included in the section entitled [[GNU Free Documentation
-License|/fdl]]."]]"""]]
-
-[[!tag open_issue_documentation]]
-
-
-# IRC, freenode, #hurdfr, 2010-09-20
-
- <youpi> tu peux compiler ton gnumach pour qu'il utilise la console série, et tu
- mets le port série sur la console qemu
- <youpi> -AC_DEFINE([RCLINE], [-1], [com port for the remote console])
- <youpi> +AC_DEFINE([RCLINE], [0], [com port for the remote console])
- <youpi> dans i386/configfrag.ac
- <manuel> grumpf, peu pratique :)
- <youpi> ben après t'auras accès vraiment à ton gnumach
- <youpi> messages de noyau etc.
- <manuel> oui c'est sûr, mais j'ai aucune idée de comment je configure qemu &
- co, ça va être sportif encore
- <youpi> -serial vc
- <manuel> je lance pas moi-même le qemu, donc j'imagine qqch comme -serial
- tcp::qqch,server
- <youpi> ben t'as pas accès à la console alors ?
- <youpi> mais sinon via tcp ça devrait aller oui
- <manuel> si, via telnet
- <manuel> youpi: et après, tu fais comment pour envoyer le c-a-D toi ?
- <manuel> (question sans doute bête)
- <youpi> c'est un code différent via com1 iirc
- <manuel> mmmmmmmmmhhhhhh
- <youpi> (c'est pas bête: c-a-d c'est pas vraiment défini pour un port série)
- <manuel> tu sais où je peux le trouver ?
- <youpi> ah tiens non yena pas
- <youpi> mais bon spa dur à ajouter
- <manuel> bcp trop compliqué pour moi
- <youpi> dans i386/i386at/com.c, à la première ligne ttyinput()
- <youpi> tu compares c à ce que tu veux
- <youpi> et dans ce cas tu appelles kdb_kintr
- <youpi> (sans paramètre)
- <youpi> mais sinon ya pas vraiment besoin d'appeller explicitement le
- débuggueur hein
- <manuel> ah ?
- <youpi> dès que tu mets debug_all_traps à 1 dans traps.c, il sera invoqué lors
- du segv
- <manuel> ok
- <youpi> pour xen j'ai mis £ comme raccourcis
- <manuel> ça me paraît plus simple dans ce cas
- <youpi> clin d'œil à la société anglaise :)
-
-
-# IRC, freenode, #hurd, 2014-02-20
-
- <gg0> 04:06:45< gg0> ok a configuration that works w/o patching anything is
- 9600 7S1 [ 7bits - parity Space - 1 stopbit ]
- <gg0> 04:07:57< gg0> it displays correctly gnumach, ext2fs and following
- outputs
- <gg0> 04:28:05< gg0> youpi: instead if you want a patch, this one makes
- gnumach default to 8N1. someone should still implement serial line
- settings for ext2fs though
- <gg0> seems something broke it later
- <gg0> or it never worked on real hardware
- <braunr> we definitely want it to work with 8N1
- <gg0> never had problems with _virtual_ serial consoles
- <gg0> never = during last 2 years = since
- http://git.savannah.gnu.org/gitweb/?p=hurd/gnumach.git;a=commitdiff;h=2a603e88f86bee88e013c2451eacf076fbcaed81
- <gg0> but i don't think i was on real hardware at that time
-
-
-## IRC, freenode, #hurd, 2014-02-21
-
- <gg0> yeah, i have one rebuilt trying to fix serial console (already give
- up)
- <teythoon> what were you trying to fix ?
- <gg0> i didn't fix anything but it's been useful somehow :)
- <gg0> this one http://paste.debian.net/plain/83292
- <gg0> initial messages from mach/hurd outputs like there was no line feed
- <gg0> each line overwrites previous one
- <gg0> then ext2fs outputs garbage
- <gg0> then openrc start outputting fine
- <gg0> minicom 9600 8N1
- <teythoon> this is from a real machine ?
- <gg0> yep real machine
- <teythoon> nice :)
- <gg0> i fixed last line, last garbage, by switching c: from 38400 to 9600
- in inittab
- <teythoon> i've a vt510 terminal connected to my hurd box, and i started to
- make the serial setting in gnumach more configurable
- <gg0> and disabling T0
- <teythoon> didn't finish it though
- <gg0> physical vt510 connected to virtual hurd box?
- <teythoon> no, it's a real box as well
- <gg0> good. and does it behave as described/pasted above?
- <teythoon> currently i do not put the mach console on the serial line
- <teythoon> b/c it has a fixed baud rate of 9600
- <teythoon> and both grub and the getty are configured at a higher speed
- <teythoon> hence my desire to improve gnumachs serial port setup
- <gg0> i don't care much about speed. such no-line-feed behavior is quite
- annoying though
- <gg0> i thought it was related to CRMOD which afaiu should translate cr to
- cr-lf, but i was surely missing something
- <gg0> (annoying till one does ^A-A to make minicom add line feeds itself)