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author | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2015-02-18 00:58:35 +0100 |
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committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2015-02-18 00:58:35 +0100 |
commit | 49a086299e047b18280457b654790ef4a2e5abfa (patch) | |
tree | c2b29e0734d560ce4f58c6945390650b5cac8a1b /open_issues/serial_console.mdwn | |
parent | e2b3602ea241cd0f6bc3db88bf055bee459028b6 (diff) | |
download | web-49a086299e047b18280457b654790ef4a2e5abfa.tar.gz web-49a086299e047b18280457b654790ef4a2e5abfa.tar.bz2 web-49a086299e047b18280457b654790ef4a2e5abfa.zip |
Revert "rename open_issues.mdwn to service_solahart_jakarta_selatan__082122541663.mdwn"
This reverts commit 95878586ec7611791f4001a4ee17abf943fae3c1.
Diffstat (limited to 'open_issues/serial_console.mdwn')
-rw-r--r-- | open_issues/serial_console.mdwn | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/open_issues/serial_console.mdwn b/open_issues/serial_console.mdwn new file mode 100644 index 00000000..827fd211 --- /dev/null +++ b/open_issues/serial_console.mdwn @@ -0,0 +1,106 @@ +[[!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) |