IRC chat logs for #ltsp on irc.freenode.net (webchat)


Channel log from 6 April 2008   (all times are UTC)

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03:42
<alkisg>
Hi guys. On my laptop which acts as an ltsp server (ubuntu hardy), if I press Fn+Left arrow key to turn down the screen brightness, a (software) popup window is displayed that shows the brightness. The problem is that the LTSP clients also see this window!!! Any clues on where to report this bug? (or how to fix it?)
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04:58
<johnny>
fun.. x keeps crashing :(
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07:23
<petre>
morning all
07:28
<StevenR>
afternoon :)
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08:35
<petre>
warren, do you have the link to that list of outstanding bugs for ltsp on f9
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08:36
<petre>
the one discussed on March 28
08:39
<makghosh>
warren, unfortunately i got some urgent work (which popped out of nowhere)...so i have won't be physically there in the meeting as scheduled :(....i will follow the logs as soon as i am back
08:40
and till now no complains about the setups :)
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09:04
<warren>
petre: everything is linke d from the home page
09:04
nothing new to discuss this week.
09:04
except I had the idea for the Live K12LTPS server image
09:04
<Q-FUNK>
ogra_cmpc: seems that -geode just entered unstable at debian. now, we just need to sync it.
09:05
<warren>
I haven't had time to make it work yet. Fedora 9 is approaching final freeze on Tuesday and I've been hammering out bugs.
09:05
petre: makghosh: if you folks have any questions please feel free to ask.
09:05
<petre>
how big is the live cd?
09:06
or rather image?
09:06
<warren>
petre: I will try to make it fit on a 1GB memory stick
09:07
petre: this means the best way to use it is if you have a 2GB stick
09:07
<petre>
which is <$20 nowadays
09:07
<warren>
well, speed matters
09:08
<petre>
right, but that's just a crap shoot; do they list their speed on the packaging anywhere?
09:09
<warren>
petre: most don't
09:10
<petre>
are most sticks USB 2.0 spec or 1.x? That could account for speed differences
09:11
<warren>
petre: all the sticks I tested claim 2.0
09:11
petre: but internally they are slow
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09:13
<laga>
my 512M stick does 18MB/s according to hdparm, i don't think that's too slow
09:13
<petre>
I've finally got ltsp-vmclient running; no sound though--is that because of pulse-audio-on-client bug or is it just not functional under qemu?
09:14
<warren>
ogra_cmpc: I'm tagging ldm-2.0.2 soon
09:14
petre: likely both
09:15
<petre>
laga, that might be a good documentation point:
09:15
<laga>
(i don't know what you're trying to accompilish here, though)
09:16
<petre>
"For the USB live image, you will want a fast stick. Test yours with hdparm, try to get one that is greater than <some number> for best performance."
09:16
booting LTSP server from USB stick.
09:16
<warren>
oh, I hadn't thought of hdparm
09:16
I tested mine with only file copies =)
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09:17
<laga>
petre: when i bought the usb drive for my bedroom media centre, i just looked at the back of the package and there was a speed rating, similar to those found on CD drives. 150x was good enough for me :)
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09:18
<petre>
since the alternative will be running from DVD, yeah, 150x ought to be enough for anybody
09:18
(famous last words) ;-)
09:18
<laga>
heh. :)
09:18
i also found out that lilo doesn't like the stick to be switched to read-only mode. ;)
09:21
<petre>
laga, what parameters did you use w/hdparm to find read speed?
09:21
<laga>
petre: sudo hdparm -tT /dev/sdb
09:22
Timing cached reads roughly equals to the speed of your RAM, Timing buffered disk reads is the speed of your block device
09:23
<petre>
the Verbatim stick I carry in my pocket reports 13.3MB/sec
09:24
<laga>
some companies also make very fast sticks
09:25
"SanDisk Extreme® Ducati Edition USB Flash Drive" - um, ok. that might be overkill :)
09:27
<petre>
warren, what does hdparm report on whatever 'fast' USB stick you're using?
09:27
<laga>
i think the "readyboot" logo might also be a hint wrt drive speed
09:28
err, readyboost
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09:29
<laga>
wikipedia about readyboost: "The device must be capable of 2.5 MB/s read speeds for 4 KB random reads spread uniformly across the entire device and 1.75 MB/s write speeds for 512 KB random writes spread uniformly across the device"
09:30
i'm not sure if that's a good indicator then
09:30
<petre>
duh, just noticed the bug tracker link on the wiki main page
09:31
<laga>
petre: here are some numbers: http://www.techcrater.com/2007/04/05/readyboost-flash-memory-speed-list
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09:34
<warren>
petre: I personally don't have a fast USB stick
09:34
petre: my fastest is only 4MB/sec
09:34
<petre>
laga, the fastest thumb drive listed is 8MB/sec, but I think the page was last updated a year ago
09:34
<laga>
petre: oops.
09:35
<petre>
warren, are you just booting from the image locate on your hard disk?
09:36
<warren>
petre: no
09:38* petre is confused.
09:38
<petre>
are you just thinking in academic terms of the performance of booting from USB stick vs. DVD?
09:39
<laga>
flash memory has the advantage of very low seek times
09:39
<warren>
laga: except lots of flash memory was cheaply made and has slow throughput
09:39
<laga>
yup.
09:40
just got my other thumb drive, it does 22.7MB/s according to hdparm
09:40
<warren>
write?
09:40
<petre>
but it *is* writeable, whereas DVD-RW is more cumbersome
09:40
<warren>
read is typically faster than write
09:40
write is the speed that I care about
09:40
<laga>
warren: no, read. writing is typically read_speed/2
09:43
<petre>
bbiab...
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09:57
<petre>
warren, I'm going to tackle ltsp-server-initialize, since I know more about shell scripting than pulseaudio
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09:59
<petre>
with that bit of foreshadowing out of the way, should ltsp-server.conf point LTSP_DEV at ltspbr0 instead of eth0?
10:01
<cyberorg>
petre have a look at kiwi-ltsp-functions.sh here https://forgesvn1.novell.com/viewsvn/kiwi-ltsp/trunk/kiwi-ltsp/ltsp/suse-11.0/kiwi-ltsp-functions.sh?revision=131&view=markup
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10:41
<vagrantc>
i've got to test my patches to have both ltspfsd and cdpinger started from udev ...
10:42
no sense starting ltspfsd if no devices exist.
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11:22
<sck->
11:22
Hello, someone has had problems with kde + localdev? Not to create the link of media on the desktop?
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11:24
<sck->
Curious and that the same system interface with the media gnome appears on the desktop and when mounted in kde she has not mount on the desktop so the link /media/USER someone could me of a hint?
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12:23
<johnny>
hi
12:24
uggh.. i start Xorg -configure is a fail in my vbox :(
12:27
and my real laptop.. it doesn't find the pxe default config.. :(
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12:56
<johnny>
any dev about?
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13:14
<johnny>
i'm so close :(
13:19
<laga>
johnny: just ask a question?
13:24
<johnny>
laga, now if only i could provde more details of why i'm stuck :)
13:24
<vagrantc>
well, start explaining the situation ...
13:24
<johnny>
i'm getting there, that was just some whining, cuz i almost had it working :)
13:25
<vagrantc>
heh
13:26
<johnny>
start-stop-daemon just started whining at me out of the blue "/usr/share/ltsp/screen_session is a script and should be started, stopped, or signalled with --exec /bin/sh /usr/share/ltsp/screen_session or you should specific a pidfile or process name
13:26
"
13:27
it started and failed before.. so i wonder what i did to it :)
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13:35
<slipttees>
hey
13:36
johnny: ping
13:36
<johnny>
pong
13:36
<slipttees>
vagrantc: ping
13:36
<johnny>
why are you pinging?
13:36
<slipttees>
i have bit problem with ltsp5 man
13:36
you can help me ?
13:36
<johnny>
oh.. don't ping people personally for help
13:36
that's bad ettiquette
13:37
that's not cool at all
13:37
<slipttees>
johnny: i kown
13:37
<johnny>
then why did you do it
13:37
<slipttees>
but none respoding :-(
13:37
<johnny>
i haven't seen a question
13:37
only me whining about random occurances in the universe
13:38
<slipttees>
question in other day
13:38
<laga>
the other day?
13:38
it's 20:37 in this part of the world
13:38* vagrantc is too tired to think
13:38
<slipttees>
ups :-(
13:39
well, ltsp5 in kde don't show me icon localdev in desktop
13:39
<johnny>
there's a patch
13:39
<vagrantc>
tomorrow, i spend 7 or so hours in one of those inconceivable airborn cans.
13:39
<johnny>
your distro should include the fix in the next release
13:40
slipttees, so next release it should be ready
13:40
<slipttees>
localdev mount media in /home/user but Wont create link in thinclient desktop
13:40
<vagrantc>
well, the patch isn't in a state where i would recommend enabling it by default.
13:41
<johnny>
slipttees, problem known.. fix will come as soon as it is feasible then :)
13:41
<vagrantc>
it puts junk on the GNOME desktops
13:41
<slipttees>
kde ?
13:41
<vagrantc>
the most recent upload to debian includes an example hook to add icons on the kde desktop.
13:42
<slipttees>
compiling ldmount lines mount /home/$user to /home/$user/Desktop
13:42
<vagrantc>
see /usr/share/doc/ltspfs/examples/
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13:43
<slipttees>
ok, i try again, see a later johnny sorry for all
13:45* slipttees away
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13:53
<johnny>
how can i test ldminfod ?
13:54
<slipttees>
?
14:04
<johnny>
oh.. it was just xinetd.conf.. now it succeeds
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14:10
<johnny>
ok.. so.. i get a log file from ldm
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14:16
<slipttees>
howto burning cd/dvd in thinclient ?
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14:18
<slipttees>
possible burning cd/dvd in thinclient ?
14:26
<johnny>
i imagine so
14:26
but i don't know anything about it
14:26
i'm still getting my setup working
14:26
dberkholz, hey!
14:26
progress progress :)
14:26
dberkholz, http://rafb.net/p/b2ljim48.html
14:26
altho as you can see ..it keeps recycling
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14:37
<dberkholz>
johnny: awesome
14:38
<johnny>
i'm not sure what the deal is :(
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15:31
<johnny>
assertions :( BUT WHY!
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15:34* johnny compiles gdb in the chroot
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16:18
<MattyOv>
hi all - I had a really annoying problem which I solved the other day at home with some help from here - and now I am off at the place I am installing stuff I left the notes b ehind - AHHH. It is basically a problem with my clients hanging. Can anoyone help with some pointers
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16:20
<johnny>
dberkholz, you around?
16:22
<dberkholz>
johnny: just on my way out, i'll bbiab
16:22
<johnny>
oh :(
16:23
<dberkholz>
johnny: if you post something in the meanwhile, i can take a look and see if i have any ideas
16:23
just going to pick up food
16:23
<johnny>
i need gdb help
16:23
<dberkholz>
http://www.gentoo.org/proj/en/qa/backtraces.xml might
16:23
or google for gdb basics, gdb howto, etc
16:23
anyway bbiab
16:24
<MattyOv>
my ltsp clients hang at the 'negotiation: size=143500KB' phase
16:24
any ideas? (please) ;)
16:25
Before I think it was something to do with X not starting - but I am not so sure now :S
16:28
I have changed th color depth but I think that might not be enough
16:33
Does anyone have any advice on how to troubleshoot the problem - is there some logs I can look at for example (my thin clients are hanging at the negotiation: phase)
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19:27
<lns>
Is there any such thing as a peer-to-peer LTSP cluster type setup (requiring no server) ?
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19:35
<infinitiguy>
Can anyone help me with a LTSP chroot issue?
19:35
I had some localdev problems in the ubuntu ltsp-server-standalone package.. but otherwise had thin client working...
19:36
and followed debug info from this location... https://wiki.ubuntu.com/DebugLocalDev
19:37
After setting the chroot root passwrd and doing ltsp-update-image the client now gets a permission denied for configure-x.sh
19:37
??
19:46
<lns>
infinitiguy, well obviously it's something done with the customization of the default chroot image..it's a matter of figuring that out.
19:46
if the clients were booting before the mod
19:47
<infinitiguy>
yes they were
19:48
i thnk maybe there's an issue with $ARCH recognition in a script...
19:48
<lns>
i'm not sure (i don't delve TOO deep into scripts, unless it's obvious)
19:49
<infinitiguy>
only because I saw an arch error in /etc/ltsp/dhcp.conf pointing to /opt/ltps/i386 instead of /opt/ltsp/amd64
19:49
and during the ltsp-update-image.. i got a message about not finding /opt/ltsp/386..
19:51
but it still finished its update... however the client runs into a /etc/rc2.r/S20ltsp-client-core: 162: /usr/lib/ltsp/configure-x.sh: Permission Denied
19:51
during the client boot sequence
19:51
and i see a login prompt.. but the root - passwd i set gives me a user account expired error
19:52
and that's ll i can get
19:52
ll=all
20:03
<lns>
infinitiguy, are your thin clients i386?
20:04
<infinitiguy>
the will run emt64
20:04
and i386
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20:04
<infinitiguy>
but the thing is that they worked before the chroot /opt/ltsp/amd64 # passwd
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20:05
<infinitiguy>
so i doubt if its a 64 bit kernel issue...
20:07
<lns>
when you built the amd64 chroot, did you specify --arch amd64 in ltsp-update-image ?
20:09
<infinitiguy>
no.. it was built by ubuntu ltsp-server-standalone v5.0.040~bzr...
20:10
ohh. but for the update image..
20:10
hmmm
20:10
let me try that, because i did that one manually
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20:13
<infinitiguy>
ok i did get a chroot message "chroot: cannot change root directory to /opt/ltsp/i386: No such file or directory exists
20:13
and it continues to builf the update
20:14
as before
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20:14
<infinitiguy>
then.... the client has the permission denied issue again...
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20:20
<infinitiguy>
i wonder if i should delete the /opt/ltsp directory and reinstall the standalone server to try again?
20:21
ls
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22:32
<johnny>
hi
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23:24
<johnny>
hey..
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