Conversation with #inferno at Wed Mar 25 21:36:52 2009 on powerman-asdf@irc.freenode.net (irc) (21:58:32) andguent left the room (quit: "Leaving"). (22:02:34) andguent [n=andre@p4FF6780A.dip.t-dialin.net] entered the room. (22:05:19) mjl-: does anyone know what the new forse branch in inferno-os is? (22:09:12) mjl-: darn, i'm starting to speculate here. need to get distraction :P (22:49:37) gdiaz_ios [n=none@253.182.221.87.dynamic.jazztel.es] entered the room. (22:50:33) gdiaz_ios: inferno svn does not like alt combinations in mac osx like when i tipoe {} (22:50:44) gdiaz_ios: *typ (22:50:55) gdiaz_ios: XD type i meant (23:08:19) ooooo [i=none@201.80.224.34] entered the room. (23:09:30) anothy_x [n=a@c-24-0-240-88.hsd1.nj.comcast.net] entered the room. (23:23:27) bdheeman left the room. (23:52:52) tombohannon left the room (quit: ). (00:00:05) anothy_x left the room (quit: Read error: 110 (Connection timed out)). 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(16:47:56) C-Keen left the room (quit: bartol.freenode.net irc.freenode.net). (16:47:57) sqweek left the room (quit: bartol.freenode.net irc.freenode.net). (16:47:57) uriel left the room (quit: bartol.freenode.net irc.freenode.net). (16:54:15) C-Keen [i=ckeen@pestilenz.org] entered the room. (16:56:25) uriel_ [n=uriel@li43-28.members.linode.com] entered the room. (17:36:42) sqweek [n=none@124-169-243-123.dyn.iinet.net.au] entered the room. (17:39:54) mennis [n=mennis@adsl-068-016-104-079.sip.asm.bellsouth.net] entered the room. (17:44:56) anothy_x [n=a@c-68-38-23-239.hsd1.nj.comcast.net] entered the room. (17:46:03) mennis: I'm having a problem with my init: [Dhcpclient] Broken: "trap: fault read " I've posted it at: http://pastie.org/427763. (17:47:57) mennis: I wonder if somehow the dhcp module is falling out of scope too soon or something like that. This init used to work before I reorganized it. (17:49:57) mjl-: mennis: your check of load of Dhclient is fishy (17:50:07) mjl-: dhcpclient = load Dhcpclient Dhcpclient->PATH; (17:50:07) mjl-: if(dhcpclient == nil) (17:50:07) mjl-: { (17:50:09) mjl-: sys->sprint("Failed:\n\tcan't load dhcpclient:\n\t%r"); (17:50:09) mjl-: } else dhcpclient->init(); (17:50:15) mjl-: sys->sprint returns a string (17:50:36) anothy_x left the room (quit: "Leaving."). (17:50:39) mjl-: so, on failure, you'll create a string that isn't used. then continue (without a dhcpclient->init() (17:51:43) mennis: Oh hmm. That's interesting, I'll fix that, but the dhcp client is working and soed pull and address. (17:54:13) mjl-: can't you skip the dhcp, load the shell, then dhcp manually and see where it fails? (17:54:18) mjl-: or does it not fail in that case? (17:56:31) mennis: Yeah, I'll give that a shot, I haven't tried that yet. (17:57:07) gualteri left the room (quit: "leaving"). (17:57:19) mjl-: otherwise, just go back to the original, and keep changing & testing till it fails... (17:57:22) mjl-: time-consuming though (17:59:21) mennis: It's weird 'cause the dhcpclient doesn't do anything after it gets an address yet it breaks after it is done. (18:00:18) mjl-: oh, that is weird indeed (18:01:29) mennis: Wait maybe if (i>0) is the issue there is not ether1 and he tries to dhcp on it. Hmm (18:06:13) andguent [n=andre@p4FF6770D.dip.t-dialin.net] entered the room. (18:11:19) aguent left the room (quit: Read error: 60 (Operation timed out)). (18:21:34) mennis: AH that _was_ the problem. I reworked that loop and posted it back to the same pastie if you want to see it. (18:24:46) mjl-: it's the little things that matter... (18:24:49) mjl-: ;) (18:24:55) mennis: ;) (19:58:23) tombohannon left the room (quit: ). (20:00:11) tombohannon [n=tombohan@adsl-068-016-104-079.sip.asm.bellsouth.net] entered the room. 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(12:48:50) gdiaz_ios: mjl- ircfs only works if debug is on (-d to irfcfs) if not, it does not respond. . .have you seen that behaviour? what i'm missing? (12:51:34) mjl-: hmm, haven't seen it. let me try (12:51:41) mjl-: i think i always run with -d (12:52:03) mjl-: btw, when connecting, all styx/9p ops will block until either there is a connection or it failed. (12:52:22) mjl-: this can be annoying when the remote server is checking/stalling your connection, which is quite common on irc (12:52:28) mjl-: that's something i need to fix (12:52:32) mjl-: but let me check on the other thing (12:53:06) gdiaz_ios: i waited quite a bit, but just putting -d make it works. . or seems so (12:54:11) mjl-: that would be very strange. i just checked and -d is really only used for writing to stderr. but let me try if i can reproduce (12:54:36) mjl1 [n=none@82-171-55-43.ip.telfort.nl] entered the room. (12:54:56) mjl1: without -d! (12:55:57) gdiaz_ios: hum, i tried three times, could it be i'm still sleepy?. . . . (12:58:23) andguent left the room (quit: Connection reset by peer). (12:59:20) soul9: gdiaz_ios, or hg pull -u? (12:59:54) andguent [n=andre@p4FF64F63.dip.t-dialin.net] entered the room. (13:01:11) mjl-: gdiaz_ios: this is what i did: (13:01:13) mjl-: emu -c0 (13:01:13) mjl-: ndb/cs (13:01:13) mjl-: mount -A {ircfs -n mjl1 -a net!irc.freenode.net!6667 freenode} /mnt/irc (13:01:13) mjl-: echo reconnect >/mnt/irc/ctl (13:01:13) mjl-: echo 'join #inferno' >/mnt/irc/ctl (13:01:14) mjl-: cd /mnt/irc/1 (13:01:16) mjl-: cat >data (13:01:18) mjl-: without -d! (13:02:19) gdiaz_ios: hum, i use svc/net, and mount {ircfs feenode} /mnt/irc/freenode, and then wm/irc /mnt/irc/freenode (13:04:36) C-Keen left the room (quit: bartol.freenode.net irc.freenode.net). (13:04:36) te left the room (quit: bartol.freenode.net irc.freenode.net). (13:05:12) mjl-: are those the exact commands? (13:05:16) mjl-: mount would need -A i think (13:05:22) C-Keen [i=ckeen@pestilenz.org] entered the room. (13:05:22) te [i=tao@gateway/shell/blinkenshell.org/x-6c35d7f46b3ae2df] entered the room. (13:05:28) soul9: mjl-, why? (13:05:40) mjl-: i think it would do inferno authentication otherwise (13:05:46) mjl-: or is that skipped for {}'s? (13:06:41) mjl-: -A (13:06:41) mjl-: For mount only. Do not authenticate the connection to the server before proceeding with mount. Otherwise the connection is authenticated by security-auth(2). (13:06:58) soul9: i never really used the -A iirc (13:07:13) mjl1 left the room (quit: "gone"). (13:07:52) soul9: i have this mount {ircfs -l /usr/johnny/irclog/freenode -a net!irc.freenode.net!6667 -n soul9 freenode} /mnt/irc/freenode (13:08:20) mjl-: yeah, seems to work (13:09:08) gdiaz_ios: i think so (13:09:15) mjl-: ok, mount(1) doesn't do auth when it's a {} command (13:10:20) soul9: though i don't use ircfs now :-( (13:10:32) soul9: inferno doesn't like my gcc/glibc/xorg+xcb (13:10:37) soul9: :-(( (13:10:52) mjl-: hmm, that sucks (13:11:03) mjl-: i did see a commit in inferno-os mentioning xcb, i think (13:11:07) soul9: hm (13:11:09) mjl-: but perhaps that didn't solve it (13:11:10) soul9: lemme see (13:11:35) soul9: maybe it's the gcc/glibc problem then (13:11:42) soul9: some mounts make emu fail (13:12:45) mjl-: r377 and r378 might have been about xcb (13:13:05) soul9: hmmm, that's pretty recent (13:13:07) mjl-: at least they are about x11 stuff (13:13:11) soul9: i'll update and see (13:13:12) mjl-: 6 days ago, the latest (13:13:13) soul9: thanks (13:17:41) mjl-: np (13:17:46) mjl-: hope it works (13:17:51) soul9: yeah, rebuilt (13:17:58) mjl-: this thread on wrt54gl on the inferno mailing list is good (13:18:07) mjl-: i happen to have two wrt54gl's that i also wanted to run linux on (13:18:12) mjl-: i knew there was a port (13:18:19) mjl-: but it seems too easy not to try (13:18:27) mjl-: just need to find replacement access points though (13:18:31) soul9: wrt54gl runs linux by default (13:18:55) mjl-: but can you make it run your own programs? (13:19:04) soul9: yes, with openwrt (13:19:14) soul9: well, not on the default dlink install, no (13:19:32) soul9: they use their own crappy vulnerable version of linux instead of working with the community (13:19:35) mjl-: yeah, so i just need to put openwrt on it (13:19:36) mjl-: :D (13:19:40) soul9: yea (13:19:45) mjl-: weren't the openwrt things vulnerable too? (13:20:04) mjl-: i read some link (from slashdot) a few days ago about a botnet running on access points/routers (13:20:11) soul9: didn't you hear? there's a new botnet made up of exploited linux-based home routers (13:20:13) mjl-: i think they mentioned wrt, but perhaps not openwrt (13:20:14) soul9: yeah (13:20:24) soul9: no, i don't think wrt is vulnerable (13:20:33) soul9: the proprietary linuxes the put on are vulnerable (13:20:42) soul9: at least that's what i have been told (13:21:20) mjl-: funny (13:21:30) mjl-: you'ld expect them to put up new firmware then... (13:21:43) soul9: well, the other way around would have surprised me more, i have to say (13:21:47) soul9: heh, yeah (13:22:08) tombohannon [n=tombohan@h117.255.18.98.static.ip.windstream.net] entered the room. (13:22:12) soul9: finished building, now for a quick test (13:23:56) soul9: mjl-, can you quickly link me your main inferno page please? (13:24:00) soul9: i always forget it (13:24:09) mjl-: hmm, with ircfs on it? (13:24:13) soul9: this time i'll add it to 9souldier.org/links though :-) (13:24:16) soul9: yes, the repo page (13:24:24) mjl-: www.ueber.net/code/ is the overview (13:24:30) mjl-: and www.ueber.net/code/r/ircfs is for ircfs (13:24:32) soul9: ok, yep, thanks (13:25:01) mjl-: the name is feeling lamer every day i use it. but well, chose it too long ago to replace (13:25:06) mjl-: domain name (13:25:19) mjl-: soul9: have you used openwrt by any chance? (13:25:40) mjl-: just arranged that i'll have a wrt54gl at my dispolsal after this weekend (13:25:49) soul9: mjl-, yes, i have (13:26:03) soul9: i use dd-wrt nowadays, though i have no time to sysadmin my router too :-) (13:26:14) mjl-: ☺ (13:26:23) mjl-: dd-wrt is different/better/newer/older? (13:26:28) soul9: damned linux/unix, if i had the same number of plan9 machines everything would be so much darn easier :-( (13:26:29) mjl-: what would you recommendt ot ry? (13:26:34) soul9: well (13:26:45) soul9: you can't really run your own programs on it :-( (13:26:56) soul9: and no real ssh access, no shell (13:27:16) soul9: but it gives you a nice graphical interface, and it's very configurable (13:27:19) soul9: and very complete (13:27:30) soul9: s,graphical,web (13:27:30) mjl-: ok (13:27:32) soul9: ;-) (13:27:34) mjl-: ;) (13:27:44) mjl-: then that won't work to run inferno (13:27:52) soul9: you run inferno on arm? (13:27:57) soul9: i want to run inferno on arm (13:27:59) soul9: :-) (13:28:03) soul9: on my cellphone (13:28:40) mjl-: what os does your phone run? (13:29:07) soul9: linux (13:29:22) soul9: it's openmoko, so i can run any of a number of os's (13:29:58) mjl-: well, there is already an arm port for linux i think? (13:30:34) mjl-: and wasn't someone already working on some code to make it work on the openmoko? (13:32:20) gualteri: mjl-, yes, inferno-openmoko on google code iirc (13:33:20) tombohannon left the room (quit: ). (13:36:41) soul9: doesn't seem to work though (13:38:39) C-Keen: the wrt54gl is a mips machine (13:38:51) C-Keen: (little endian) (13:38:57) soul9: aah (13:39:20) mjl-: yeah, just noticed the spim dirs in rmiller's .tgz's (13:42:02) C-Keen: I also would be interested if someone has experience in running inferno on mips (13:43:04) C-Keen: if I get some more time I will return to build an emu for linux mipsel (13:43:09) C-Keen: next step native (13:43:16) mjl-: C-Keen: didn't you have one of those lemote laptops? (13:43:28) C-Keen: mjl-: yep (13:44:08) C-Keen: Also I will donor beer if someone writes a pdf renderer for inferno (13:44:15) C-Keen: s,donor,donate, (13:45:05) mjl-: C-Keen: i have code that parsers the structure of a pdf file (13:45:09) mjl-: doesn't render though (13:45:17) mjl-: i did almost get decent conversion to text (13:45:30) mjl-: (i planned on making a tool to index articles from pdf) (13:45:46) C-Keen: mjl-: oh nice (13:46:26) C-Keen: mjl-: unfortunately plan9 somewhat chickend out by porting ghostscript (13:46:50) mjl-: yeah (13:46:56) mjl-: i'll see if i can put the pdf code online (13:47:02) mjl-: first have to inspect the state it is in (13:48:19) C-Keen: mjl-: that'd be great. (14:07:31) megaboz [i=none@201.80.224.34] entered the room. (14:08:13) KillerX [n=anant@gentoo/developer/KillerX] entered the room. (14:14:19) gdiaz_ios: pdf is hell, every modern pdf "printer" out there uses compression, and other external tools, which are out of the scope of pdf. . .so you will need more than just bein able to parse pdf, but to support quite a few other libs (14:15:00) mjl-: the compression is not the problem (14:15:10) mjl-: it's normal deflate (14:15:13) mjl-: well, almost (14:15:23) mjl-: they have a few other funky encodings though (14:16:16) mjl-: and i already encountered some invalid pdf's that other pdf readers did parse. so there is some amount of web-style "we'll accept anything that looks like it might contain some valid bits of the format" (14:18:42) C-Keen: heh (14:31:04) gdiaz_ios: 1.6 specc? afair there were a couple of compress options plus the ones of your choice, embeding things to access repositories and a lot of stuff (14:31:18) gdiaz_ios: off to eat :") (14:32:18) mjl-: heh, i was only just beginning. i can easily believe pdf allows for that (14:32:26) mjl-: they do javascript in pdf nowadays (14:32:28) mjl-: so all bets are off (14:32:44) mjl-: i just found pdf/walk, a tk app to navigate through the structure of a pdf file (14:33:00) mjl-: (a pdf file consists of a bunch of strings, dicts, lists, and references to those) (14:34:25) C-Keen: and embedded fonts... (14:34:50) newmanbe: Compiled PostScript. (14:34:54) mjl-: yeah, those are annoying (14:35:03) mjl-: when you want to do text conversion :) (14:35:17) mjl-: also, some pdf's rearrange the charset (14:35:30) mjl-: and i didn't implement that for the pdf/text i had so far. so you get bogus output (14:35:43) tombohannon [n=tombohan@adsl-068-016-104-079.sip.asm.bellsouth.net] entered the room. (14:36:09) mjl-: text in pdf isn't very nice in general of course. (14:36:19) C-Keen: oh well it is not turing complete at least (14:36:41) mjl-: i think (la)tex would position approx each character, e.g. by .002 points to left/right since previous character. (14:36:56) mjl-: the code seems in reasonable state. (14:37:01) mjl-: i'm going to put it online in a minute. (14:37:07) C-Keen: \o/ (14:49:03) mjl-: http://www.ueber.net/code/r/pdfread (14:50:50) C-Keen: thanks a lot (14:51:05) mjl-: have fun :) (14:51:22) mjl-: i just tested the pdf/text, it seems to output debug stuff in the text too. but well, it isn't generally useful anyway (14:51:49) mjl-: in pdf/walk, just click on text that has objref: in it (14:52:22) mjl-: then it'll open it. clicking on any element of the "address bar" will open up that part. (14:56:28) C-Keen: ah nice (14:58:11) mjl-: http://www.ueber.net/who/mjl/tmp/pdfwalk0.png (14:58:43) mjl-: the lower text area shows some instructions for drawing (14:59:06) mjl-: the middle text area shows the current decoded pdfobject (14:59:15) mjl-: above that is the address bar (14:59:28) mjl-: and i don't remember what the upper text area is for :) (15:00:52) mjl-: ah, that's a bookmark thing. you can press remember to make save the url, and later click on it (15:02:25) mjl-: in my defence, it's only 436 lines of limbo ;) (15:09:38) caerwyn [n=chatzill@c-76-119-5-71.hsd1.ma.comcast.net] entered the room. (15:25:20) m_m left the room (quit: Remote closed the connection). (15:34:08) tombohannon left the room (quit: ). (15:35:26) tombohannon [n=tombohan@adsl-068-016-104-079.sip.asm.bellsouth.net] entered the room. (15:55:38) KillerX left the room (quit: ). (15:56:23) KillerX [n=anant@gentoo/developer/KillerX] entered the room. (16:00:12) gualteri left the room (quit: "'out'"). (16:13:19) gdiaz_ios: i did once a pdf2txt tool, but after i saw how different were the verious pdf versions, i decided to stop :) (16:36:24) stu8ball_ is now known as stu8ball (16:41:25) mennis [n=mennis@adsl-068-016-104-079.sip.asm.bellsouth.net] entered the room. (16:42:02) newmanbe left the room (quit: "Leaving"). (16:59:57) bdheeman [n=bdheeman@122.173.27.235] entered the room. (17:04:22) mjl-: gdiaz_ios: i don't think the various pdf versions are annoying for to-text conversion (17:04:55) mjl-: afaik, the new versions add more esoteric features that you don't really need, or otherwise don't break the compatibility with the earlier versions too much (17:05:47) mjl-: C-Keen: if you are thinking of writing pdf-reading code, a tool that reads a pdf file and writes out the same pdf file but with all compressed objects uncompressed would be nice (17:06:29) mjl-: a pdf reader for inferno was on the gsoc2007 list of ideas... would it be worthwhile for this years gsoc? 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