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author | https://me.yahoo.com/a/g3Ccalpj0NhN566pHbUl6i9QF0QEkrhlfPM-#b1c14 <diana@web> | 2015-02-16 20:08:03 +0100 |
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committer | GNU Hurd web pages engine <web-hurd@gnu.org> | 2015-02-16 20:08:03 +0100 |
commit | 95878586ec7611791f4001a4ee17abf943fae3c1 (patch) | |
tree | 847cf658ab3c3208a296202194b16a6550b243cf /open_issues/hurd_init.mdwn | |
parent | 8063426bf7848411b0ef3626d57be8cb4826715e (diff) | |
download | web-95878586ec7611791f4001a4ee17abf943fae3c1.tar.gz web-95878586ec7611791f4001a4ee17abf943fae3c1.tar.bz2 web-95878586ec7611791f4001a4ee17abf943fae3c1.zip |
rename open_issues.mdwn to service_solahart_jakarta_selatan__082122541663.mdwn
Diffstat (limited to 'open_issues/hurd_init.mdwn')
-rw-r--r-- | open_issues/hurd_init.mdwn | 224 |
1 files changed, 0 insertions, 224 deletions
diff --git a/open_issues/hurd_init.mdwn b/open_issues/hurd_init.mdwn deleted file mode 100644 index cc06935c..00000000 --- a/open_issues/hurd_init.mdwn +++ /dev/null @@ -1,224 +0,0 @@ -[[!meta copyright="Copyright © 2013 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_hurd]] - - -# [[!message-id "20130625154749.17799.36923@thinkbox.jade-hamburg.de"]] - - -## IRC, freenode, #hurd, 2013-07-22 - - <teythoon> ok, so back to the drawing board for the next big issue, the - potential proc and init merge - <teythoon> Roland had some harsh words for that proposal, but noone else - raised concerns - <youpi> noone else does not mean much - <youpi> I guess only Roland actually understands the matter - <youpi> so I'd tend to believe him - <teythoon> even though, his criticism was so superficial, he could at least - be a bit more specific... - <braunr> i agree that the argument, being simply based on vague principle, - isn't very convincing - <teythoon> so, what should I do? - <braunr> you can either keep them separate, or fight with roland - <teythoon> common braunr, I need a little more guidance in these kind of - social issues - <teythoon> a statement like this is of little use ;) - <braunr> that's the best i can give you - <teythoon> :/ - <braunr> i have one patch "fixing" HZ on the hurd, and i even get to fight - about it - <teythoon> I understand Roland has been around forever and keeps an eye on - stuff - <teythoon> but could/would he block a patch for hurd if e.g. youpi would - accept it - <teythoon> i.e. how much control has he in practice? - <teythoon> me fighting with him over a patch is of little value for anyone - and I don't care to do so - <braunr> not much i suppose now - <braunr> but we also have to agree with the change - <braunr> with *real* arguments - <braunr> (well, if it was up to me, i'd even merge exec with proc so ..) - <teythoon> ok, so I whip up a patch to see how it goes in practice and - present it so we could talk about the issue with something to look at - first - <braunr> although maybe not ;p - <braunr> you'll hit the same reaction - <teythoon> from Roland? - <braunr> yes - <braunr> and youpi said he tends to trust what roland says - <braunr> so let's discuss the pros and cons a bit more - <teythoon> yes, but I'd honor his concerns if they were properly - presented. just telling me to hack on linux instead even though I think I - have demonstrated that I do want to work on Hurd is so childish in my - eyes that I do not consider that a valid argument at the moment - <teythoon> sure, shoot - <braunr> well, functionally, they're unrelated - <teythoon> head -n1 init/init.c - <teythoon> /* Start and maintain hurd core servers and system run state - <youpi> and thus it makes sense to make them separate, even if it does not - seem to bring anything useful now - <youpi> history has shown that it makes a bed for nice things later - <braunr> teythoon: that's not what proc is about - <teythoon> braunr: I know - <teythoon> braunr: that's what init is about in its own words ;) - <youpi> teythoon: also, "simplifying the code" is not necessarily an - argument that would be considered - <youpi> depending on the simplification - <youpi> linux made it all simple by using a monolithic kernel :) - <youpi> separating concerns is complex - <youpi> but in the end it usually pays off on the Hurd - <youpi> personally, I'd be fine with Guillem's solution, and renumbering - init's pid in Debian - <youpi> there's a pending question from Roland actually: what information - is exchanged between init and proc in the end? - <youpi> that's actually the point of the discussion: is that information - really big or not - <teythoon> I'm sorry, you lost me, where did he ask that question? - <pinotree> $ git grep proc_getmsgport | egrep '[0-9]' ← /hurd/init as pid 1 - is hardcoded in few places - <youpi> teythoon: he didn't ask it this way, but that's the question I had - to be able to answer his - <youpi> Date: Mon, 15 Jul 2013 10:36:35 -0700 (PDT) - <youpi> > That's not what he said. He said there is a lot of information - <youpi> > propagated from init to proc, and thus the separation is - questionable. - <youpi> Are you talking about bootstrap, or what? - <youpi> as I haven't investigated much, I couldn't answer this - <youpi> pinotree: right. We could patch these in Debian - <teythoon> youpi: so, shall I refresh, test and refine Guillems patch and - resend it? - <youpi> it's probably an easier way - <teythoon> ok, I start by doing that - - -## IRC, freenode, #hurd, 2013-07-25 - - <teythoon> pinotree: btw, there are two /sbin/init processes even with my - hacked up init/proc variant where /sbin/init gets to be pid 1 - <pinotree> never seen that - <pinotree> what are their parents? - <teythoon> pinotree: well, pid 1 is /sbin/init now, pid 13 or something has - the parent 1 - <teythoon> looks like init forks or something - <pinotree> i guess your sysvinit is compiled without INITDEBUG? - <pinotree> nothing in syslog either? - <teythoon> pinotree: it's compiled like the sysvinit shipped with debian - <pinotree> teythoon: do you have custom additions in inittab? - <teythoon> pinotree: a terminal for my serial console - <teythoon> *getty - <pinotree> are the getty started correctly for you, btw? - <teythoon> pinotree: yes - <pinotree> interesting - <pinotree> teythoon: back then, they were costantly respawning, with hurd's - getty's failing to start when exec'ed by (sysv)init - <pinotree> wonder what changed - <teythoon> pinotree: cool, magically went away then :) - - -## IRC, freenode, #hurd, 2013-07-29 - - <teythoon> youpi: I need some feedback on the not freezing translators - issue, more specifically whether I understood you correctly in your mail - from wednesday (20130724131552.GG9576@type.bordeaux.inria.fr) - <teythoon> oh yeah, and I had some questions yesterday too, about rpctrace - and dead-name notifications, specifically why /hurd/init is not receiving - any for the root translator and the exec server - <braunr> teythoon: more details please - <teythoon> ok, so /hurd/init is registering for dead name notifications for - essential tasks - <teythoon> the rootfs and exec both register as essential tasks at init and - init requests successfully dead name notifications for them - <teythoon> if you e.g. kill the auth server, /hurd/init will notice and - crash the system - <teythoon> if you kill exec or the rootfs, /hurd/init does not get notified - <teythoon> I verified this with gdb and an subhurd - <teythoon> I'm puzzled by this, as the kernel is the one who sends the - notifications, right? - <braunr> yes - <braunr> teythoon: where is the problem ? - <teythoon> and it is not that the system is not sending any messages, it - is, I see the msgcount increase over time - <teythoon> braunr: dunno, as far as I can tell the kernel does not deliver - the notification for rootfs and exec - <braunr> oh - <teythoon> those are the two processes loaded by grub, maybe they are - different somehow - <braunr> is that affecting your work ? - <teythoon> no, not directly, I strayed around at the weekend, trying to - think of cool stuff hurd could do - <teythoon> youpi: I need some feedback on the not freezing translators - issue, more specifically whether I understood you correctly in your mail - from wednesday (20130724131552.GG9576@type.bordeaux.inria.fr) - <youpi> teythoon: ok, now I'm available for the not-freezing-translators - thing :) - - -## IRC, freenode, #hurd, 2013-08-05 - - <teythoon> youpi: I'm in the process of producing a unified - sysvinit-as-pid1 and please-dont-kill-important-processes patch series - <teythoon> youpi: there is one issue with changing /hurd/inits pid, libcs - reboot() also assumes that it has the pid 1 - <youpi> argl - <youpi> that's bad, because it's then an ABI, not just an internal thing - <teythoon> hardcoding the pid is the worst way of getting a handle of any - server :/ - <teythoon> I've been thinking to make it explicit by binding it to - /servers/startup or something - <youpi> that would be more hurdish than using a pid, yes - <teythoon> yes, and not only does it break the abi, but in a bad way - too. if the libc is updated before the hurd, the shutdown sequence is - broken in a way that the translators aren't synced :/ - <teythoon> youpi: as a workaround, we could make reboot() signal both pid 1 - and 2 - <youpi> at worse pid 1 shouldn't get harmed by receiving a startup_reboot - RPC indeed - <teythoon> yes - - -## IRC, freenode, #hurd, 2013-08-16 - - <teythoon> grml, the procfs hardcodes the kernels pid :/ - <teythoon> there's always one more thing to fix... - <teythoon> uh, and we made pids.h a private header, so no nice constant for - the procfs translator :/ - <teythoon> server lookup by hardcoding the pid should be banned... - - -## IRC, freenode, #hurd, 2013-09-16 - - <teythoon> youpi: I'm thinking about splitting /hurd/init into /hurd/init - and /hurd/startup - <teythoon> that way, you could also merge the init as pid1 patches - <teythoon> that should be doable within the week - <youpi> that would probably be better received by Roland than merging init - into proc :) - <teythoon> yes, I suppose so :D - <youpi> perhaps you should start the discussion on the list about it - already, with just a sketch of which would do what - <teythoon> ok - <teythoon> fwiw I like the name startup b/c it speaks the startup protocol - <braunr> teythoon: +1 startup - - -## IRC, freenode, #hurd, 2013-09-23 - - <teythoon> I've been hacking on init/startup, I've looked into cleaning it - up - - -## IRC, freenode, #hurd, 2013-10-07 - - <teythoon> braunr: btw, what do you think of my /hurd/startup proposal? - <braunr> i haven't read it in detail yet - <braunr> it's about separating init right ? - <teythoon> yes |