IRC chat logs for #ltsp on irc.libera.chat (webchat)
Channel log from 9 July 2010 (all times are UTC)
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| 03:13 | <nosedrum> hi everybody !
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| 03:13 | i have a problem on a production ltsp server
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| 03:13 | all clients when have => "Error: Ioctl/1.1a failed: Bad file descriptor"
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| 03:13 | at boot
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| 03:14 | my ltsp image isn't good ?
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| 03:17 | nobody have a idea ?
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| 03:19 | <dobber> have you tried to rebuild it ?
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| 03:19 | <nosedrum> i have done a ltsp-update-image -a i386
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| 03:19 | as usual
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| 03:20 | have to test a "update-initramfs -u" and "ltsp-update-kernels" ?????
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| 03:22 | <dobber> try ltsp-update-kernels
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| 03:23 | <nosedrum> root@ltsp_a90:/home/admindsi# ltsp-update-kernels
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| 03:23 | Updating /var/lib/tftpboot directories for chroot: /opt/ltsp/i386
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| 03:23 | root@ltsp_a90:/home/admindsi#
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| 03:24 | <nosedrum> i reboot a thin client too see....
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| 03:25 | <nosedrum> the same error message...
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| 03:28 | <nosedrum> Error: Ioctl/1.1a failed: Bad file descriptor
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| 03:28 | can i found more information in logs ????
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| 03:28 | i found nothing ...
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| 03:46 | <nosedrum> I can't solve my issue
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| 03:46 | all my thin clients boots result in a :
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| 03:46 | Error: Ioctl/1.1a failed: Bad file descriptor
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| 03:47 | <nosedrum> I don't understand why
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| 03:55 | Error: Ioctl/1.1a failed: Bad file descriptor
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| 03:55 | anybody have experience why that ?
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| 03:55 | <Appiah> does it just stop there?
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| 03:56 | LTSP5 or 4?
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| 03:56 | <nosedrum> 5
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| 03:56 | Negociation: ...
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| 03:56 | Kernel call returned: Broken pipe Reconnecting
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| 03:56 | Negociation: ..
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| 03:56 | Error: Ioctl/1.1a failed: Bad file descriptor
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| 03:56 | login:
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| 03:56 | <Appiah> Ubuntu?
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| 03:56 | <nosedrum> that's all
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| 03:56 | ubuntu 9.
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| 03:56 | 04
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| 03:57 | it's a production site who works since 1 year perfectly
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| 03:57 | i don't understand
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| 03:58 | what "Error: Ioctl/1.1a failed: Bad file descriptor" really mean ?
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| 03:58 | <Appiah> post your lts.conf please
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| 03:59 | <nosedrum> # Global defaults for all clients
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| 03:59 | # if you refer to the local server, just use the
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| 03:59 | # "server" keyword as value
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| 03:59 | # see lts_parameters.txt for valid values
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| 03:59 | ################
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| 03:59 | [default]
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| 03:59 | LOCALDEV=True
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| 03:59 | SOUND=True
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| 03:59 | NBD_SWAP=True
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| 03:59 | <Appiah> PASTEBIn
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| 03:59 | <nosedrum> SYSLOG_HOST=server
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| 03:59 | <Appiah> please
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| 03:59 | setop
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| 03:59 | <nosedrum> XKBLAYOUT=fr
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| 03:59 | LDM_DEBUG=True
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| 03:59 | <Appiah> stop*
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| 03:59 | <nosedrum> LOCAL_APPS=True
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| 03:59 | #Bug #347957 https://bugs.launchpad.net/ubuntu/+source/ltsp/+bug/347957
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| 03:59 | | |
| 03:59 | SEARCH_DOMAIN = ayme.fr
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| 03:59 | DNS_SERVER = 192.168.254.29
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| 03:59 | <Appiah> ...
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| 03:59 | <nosedrum> RCFILE_01 = /etc/init.d/chmod-resolv.sh
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| 03:59 | CONFIGURE_X = True
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| 03:59 | X_CONF = /etc/X11/xorg.conf
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| 03:59 | ###############
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| 03:59 | #configuration par poste d'agence IP / LOGIN / PASSWORD
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| 03:59 | ###############
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| 03:59 | [p2_a90]
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| 03:59 | LDM_USER_ALLOW=p2,admindsi
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| 03:59 | PRINTER_0_DEVICE=/dev/ttyS0
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| 03:59 | PRINTER_0_SPEED=9600
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| 03:59 | PRINTER_0_PARITY=N
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| 03:59 | <Appiah> hello?
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| 04:00 | <nosedrum> X_MODE_0=1024x768
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| 04:00 | [p3_a90]
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| 04:00 | LDM_USER_ALLOW=p3,admindsi
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| 04:00 | X_MODE_0=1024x768
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| 04:00 | [p4_a90]
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| 04:00 | LDM_USER_ALLOW=p4,admindsi
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| 04:00 | X_MODE_0=1024x768
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| 04:00 | [p5_a90]
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| 04:00 | LDM_USER_ALLOW=p5,admindsi
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| 04:00 | X_MODE_0=1024x768
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| 04:00 | [p6_a90]
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| 04:00 | LDM_USER_ALLOW=p6,admindsi
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| 04:00 | X_MODE_0=1024x768
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| 04:00 | [p7_a90]
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| 04:00 | <Appiah> oh god..
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| 04:00 | <nosedrum> LDM_USER_ALLOW=p7,admindsi
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| 04:00 | X_MODE_0=1024x768
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| 04:00 | [p8_a90]
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| 04:00 | LDM_USER_ALLOW=p8,admindsi
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| 04:00 | X_MODE_0=1024x768
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| 04:00 | [p9_a90]
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| 04:00 | LDM_USER_ALLOW=p9,admindsi
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| 04:00 | X_MODE_0=1024x768
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| 04:00 | sorry
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| 04:00 | http://pastebin.com/mXgqNPiM
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| 04:01 | what ?
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| 04:01 | <Appiah> try setting the NBD_SWAP=True to False
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| 04:01 | and see if it changes anything
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| 04:01 | <nosedrum> ok i test now
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| 04:04 | <nosedrum> exactly the same
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| 04:04 | <nosedrum> the only one mofication before working and not working it's:
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| 04:04 | chroot /opt/ltsp/i386
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| 04:04 | apt-get install firefox
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| 04:05 | ltsp-update-image -a i386
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| 04:05 | for local execution of firefox on client
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| 04:22 | <Appiah> try to disable localapps in lts.conf and try again
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| 04:22 | if you still get the same I have no idea
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| 04:41 | <nosedrum> ok my boot is ok
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| 04:41 | but now i can't log in ubuntu
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| 04:41 | user/pass is sure
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| 04:42 | gdm say "password verification, please wait"
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| 04:42 | and after 2-3 try a message says "no respond from server" and client reboot...
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| 04:43 | <zeitsofa> hello. what can be wrong if can't burn cd's with usb dvd burner on the thinclient? the device always enable as normal dvd device but not as burner.
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| 04:43 | <Appiah> you cant
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| 04:43 | <zeitsofa> nosedrum: youhave to update ssh-keys
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| 04:43 | Appiah: why not?
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| 04:43 | <Appiah> no cd/dvd burn support
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| 04:43 | has been like that for long
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| 04:43 | <nosedrum> ok i try
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| 04:44 | ltsp-update-sshkeys done not message directly to prompt
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| 04:44 | normal ?
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| 04:45 | need a client reboot ?
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| 04:45 | <Appiah> yes
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| 04:45 | <nosedrum> yes for normal and reboot ?
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| 04:45 | :D
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| 04:46 | <Appiah> sudo ltsp-update-sshkeys
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| 04:46 | then reboot the thin client
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| 04:46 | <nosedrum> i'm root
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| 04:46 | <zeitsofa> then without sudo ;p
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| 04:47 | <nosedrum> and no message in output of ltsp-update-sshkeys
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| 04:47 | normal ?
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| 04:47 | give me the prompt immediatly
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| 04:48 | <zeitsofa> yes so its fine
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| 04:48 | <nosedrum> the issue not resolved
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| 04:48 | same login failure
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| 04:51 | <nosedrum> ok resolved
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| 04:54 | <zeitsofa> :)
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| 07:18 | <zeitsofa> Appiah: u mean i cant brun cd's on thinclient. it isn't true. i can do taht. you have to install hal in chroot /opt/ltsp/i386 and e.g. k3b. i can't burn with brasero but k3b works for me.
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| 07:19 | <Appiah> I see
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| 07:19 | then thats info is old about not being able to use cdburners on thinclients for writing
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| 08:48 | <Blinny> Hello - I'm having trouble with network booting a new atom-based thin client. It has a r8169 in it. When removing quiet/splash, the last message is about the eth0 hardware address, mtu, and then 'r8169: eth0: link up' -- nothing afterwards. I'm fairly sure it's not a ldm issue because I have screen_07=shell. This is on a vanilla ubuntu hardy.
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| 08:48 | Are xservers loaded from the chroot, and if so should I do an update of the chroot? It's been probably 8 months since I updated it. The server itself is all up to date with patches/updates.
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| 08:59 | There's an xserver-core update. I'll apply chroot updates and see if this helps.
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| 09:00 | My gut says a NIC problem though - I've plugged into a 100M port and get the same issue (though slightly slower;)
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| 09:04 | Strange. Same problem, slightly different order. Now some USB lines occur after an 'r8169: eth0: link down' message.
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| 09:08 | Hmm. Maybe it's a memory timing issue. The board has the timings auto-detected all kinds of wrong.
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| 09:08 | Or maybe not. Now it won't display. hehe
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| 09:17 | OK. BIOS reset and I'm back to square 1.
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| 09:30 | <sweetpi> Blinny: do you get a black screen after all that?
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| 09:32 | <Blinny> sweetpi: No, text stays on the screen.
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| 09:32 | (This is with quiet/splash removed) -- If I keep quiet/splash in there, then I get the blinking cursor after the splash.
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| 09:33 | The more I scratch my head, the more I feel that it's not xserver related.
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| 09:33 | <sweetpi> check server logs, or maybe try break=premount and see if you can talk to the server manually
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| 09:34 | <Blinny> Where do I 'break=premount'?
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| 09:34 | <sweetpi> kernel options
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| 09:35 | <Blinny> OK - I get my busybox shell.
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| 09:36 | <sweetpi> now see if you can talk to the server
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| 09:37 | gtg bbl
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| 09:38 | <Blinny> Anyone know what s/he meant by 'talk to the server'? There's no ping, I can't ifconfig eth0 up, .... ?
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| 09:58 | <dobber> is there telnet ?
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| 09:58 | you can telnet IP:nbd port
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| 09:59 | also, where did you get your atom clients ?
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| 10:04 | <Blinny> I got them from newegg - a batch of 5 so I'm hoping I can get these to work!
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| 10:11 | No, no telnet
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| 10:11 | I don't have any experience with busybox. It looks like there are a lot more features in the newer versions.
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| 10:13 | <Blinny> Gadi: You have any experience with booting cranky atom clients on hardy?
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| 10:23 | <_UsUrPeR_> Blinny: ping?
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| 10:33 | <Blinny> No ping available.
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| 10:35 | I've never understood how a NIC could work to get the kernel via tftp, then dia halfway through boot.
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| 10:35 | At least, that's what I think is happening.
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| 10:37 | <Blinny> Are there any other tools I can use to try to find out what is going on?
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| 10:37 | (besides removing quiet/splash and break=premount)
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| 10:38 | I don't get any log entries on the server other than DHCP, but I recall ogra saying that had something to do with my lts.conf variables.
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| 10:59 | <_UsUrPeR_> Blinny: sorry. I was just making sure you were there. Are you using a switch between your client and the ltsp server? Also, are you using the LTSP server for DHCP, or are you using another device?
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| 13:07 | <Blinny> Oh
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| 13:07 | <Blinny> Heh
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| 13:07 | _UsUrPeR_: pong!
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| 13:07 | <_UsUrPeR_> Blinny, there you are
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| 13:07 | <Blinny> _UsUrPeR_: Sorry. Lunch. Yeah, there's a switch. The server is 2-NIC'd and DHCP.
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| 13:08 | <_UsUrPeR_> does the switch have spanning tree/portfast capabilities?
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| 13:10 | <Blinny> I'm guessing not. I'm looking through the web interface and don't see any STP
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| 13:10 | <_UsUrPeR_> as a test, try another switch. A dumber switch :)
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| 13:11 | <Blinny> Yah I did. Same thing.
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| 13:11 | It was an older 100M switch I plugged into, and got the same deal.
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| 13:11 | <_UsUrPeR_> or just directly connect them The problems you're having with the up/down seem to parallel an experience I had with a cisco switch
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| 13:13 | <Blinny> Hrmmm.
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| 13:15 | <_UsUrPeR_> it may help to get the last transmissions via wireshark
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| 13:15 | <Blinny> Right on
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| 13:16 | <_UsUrPeR_> what brand are the clients?
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| 13:16 | <Blinny> It's connecting to the NBD server
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| 13:17 | They're home-brewed atom boards
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| 13:17 | D510MOhttp://www.intel.com/products/desktop/motherboards/D510MO/D510MO-overview.htm
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| 13:18 | I didn't find anything negative about them when I googled, but maybe I missed something, or they're just too new.
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| 13:21 | Woah. Using gPXE (etherboot) I get to a shell.
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| 13:22 | <Blinny> and LDM
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| 13:23 | Now why the hell would that happen.
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| 13:26 | That's definitely the difference.
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| 13:26 | gpxe works well. PXE does not.
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| 13:27 | Wireshark shows tftp data packets and ACKs as the last few hundred packets.
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| 13:28 | And, I've found a thread that says "The intel support told me, even if gpxe is selectable, it is not supported" -- which is why the boot process looks like PXE and not etherboot
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| 13:29 | <_UsUrPeR_> the gpxe/pxe issue is weird.
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| 13:30 | <Blinny> Yeah.
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| 13:32 | I think I'll give this what-for on Monday.
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| 13:32 | Thanks _UsUrPeR_. Cheers mate.
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| 15:12 | <grantk> hello all
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| 15:16 | I was having trouble logging into a few new servers, I copied them from another working server I have, ran ltsp-update-sshkeys , ltsp-update-kernels and ltsp-update-image after changing their ip and assigning a new hostname. I however still see errors in the ldm log on the clients that the authenticity of the host can't be established, do I need to remove the ssh keys to get this to work properly?
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| 15:17 | ohh yeah, I only have this issue if I try and log onto a host that is listed in the host chooser and I did not connect to that hosts dhcp server to load up the image
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| 15:19 | I think I just found what I need on the mailing list, sorry will try exporting those keys
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| 15:38 | can anyone tell me if it is the host's rsa public key that needs to go in the known_hosts file for ldm load balancing?
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| 15:51 | <vagrantc> grantk: you'll need the public ssh keys for all hosts you want to connect to.
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| 15:52 | <grantk> vagrant, I keep getting myself a little closer, since last message I have ran ltsp-update-sshkeys --export ssh_known_hosts.hostname
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| 15:53 | then copied that file to /opt/ltsp/i386/etc/ssh and ran ltsp-update-sshkeys and ltsp-update-image. Reboot the client and get the same errors.
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| 15:53 | Is there another way to publish them?
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| 15:54 | <vagrantc> that ought to do it...
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| 15:54 | <grantk> hmm, ok
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| 15:54 | :q
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| 15:55 | woops, wrong window
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| 15:55 | <vagrantc> !release
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| 15:55 | <ltspbot`> vagrantc: "release" :: please mention the linux distro and release you're using :)
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| 15:55 | <vagrantc> grantk: ^^ ?
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| 15:56 | <grantk> !release
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| 15:56 | <ltspbot`> grantk: "release" :: please mention the linux distro and release you're using :)
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| 15:56 | <grantk> ubuntu 10.04 ltsp 5
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| 16:06 | <grantk> so would this be pretty much the same as entering the chroot environment, ssh into the other server, accept the key, rebuild the image and go on your way?
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| 16:09 | and yes, that worked for me
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