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


Channel log from 19 July 2009   (all times are UTC)

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03:22
<ogra>
vagrantc, well, i got it building an image and setting up everything fine, i havent booted any of my arm boards with it yet
03:23
<vagrantc>
ogra: nice.
03:24
<ogra>
the hard part will be to get redboot doung something like PXE or etherboot
03:24
*doing
03:24
<vagrantc>
ogra: i'm working on a less elegant approach myself... just building a chroot and using qemu-system-arm to boot into it
03:25
and then installing ltsp-server and such from there...
03:25
<ogra>
like my build-arm-rootfs script (now called project-rootstock) ?
03:25
<vagrantc>
ah, perhaps.
03:25
<ogra>
thats very very slow
03:26
debootstrap takes about 30-40 min for the second stage in it and hangs silently for a long time processing deps etc
03:26
<vagrantc>
ah.
03:27
<ogra>
thats what got me searching for an alternative and why i did that ugly hacked up qemu-arm-eabi thing :)
03:27
<vagrantc>
i had done some debian-installer armel installs ... they took a long time indeed.
03:27
<ogra>
which is as fast as x86 bootstrapping
03:27
sadly compiling isnt sped up with it ... gcc is still as slow as in qemu-system-arm
03:39
vagrantc, i surely hope we'll see these on the market for $100-$150 soon ;) http://www.blogcdn.com/www.engadget.com/media/2009/01/pegatron-free-029.jpg
03:39
they should be supported out of the box in karmic
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06:11* ogra sighs about the existing beagleboard kernel .deb's ...
06:12
<ogra>
no nbd ... no cramfs :/
06:15
<vagrantc>
ogra: well, after tweaking rootstock ... it seems to be what i was hoping for ... although it hangs at booting qemu-system-arm
06:15
<ogra>
hangs ?
06:16
how exactly, where exactly ?
06:16
<vagrantc>
after kernel boot ... loads the kernel, and then sits there
06:16
<ogra>
did you change the bootoptions or qemu options ?
06:16
<vagrantc>
nope
06:16
<ogra>
it attaches to a serial console which is redirected to a fifo
06:17
you shouldnt even see any kernel messages
06:17* vagrantc tries it again
06:18
<ogra>
if [ "$line" ] && [ ! "$(echo $line|grep 'Uncompressing Linux')" ] && \
06:18
[ ! "$(echo $line|grep 'unknown LCD panel')" ] && \
06:18
[ ! "$(echo $line|grep 'Restarting system')" ];then
06:18
echo ${line} >>$LOG 2>&1
06:18
<vagrantc>
i think i got this one: echo "E: Second stage build in Virtual Machine failed !"
06:18
<ogra>
it strips "Uncompressing Linux" and the subsequent messages
06:19
then your VM has paniced or so
06:19
<vagrantc>
right
06:19
<ogra>
is it using my kernel ?
06:19
or do you use your own
06:21
<vagrantc>
i grabbed debian's kernel...
06:21
i'll try with yours
06:24
the disk modules might be modularized or something
06:32
ogra: do you know which other architectures that do or might support the binfmt-misc thing you're working with for qemu-arm-eabi
06:32
<ogra>
no
06:32
try it out, ppc might
06:32
the prob are the non marching syscalls on different arches
06:32
*matching
06:33
<vagrantc>
powerpc would be handy... as i could more easily get test machines ...
06:34
<ogra>
if there are translation patches the userspace hacks might work the same as with arm
06:34
look in my source package, there is the binfmt_misc stuff to enable the interpreter ...
06:35
and the readme of binfmt-support has a bunch of info how to write postinst/prerm
06:37* ogra curses
06:38
<ogra>
no squashfs, no nbd none of the usb NIC drivers in the beagleboard kernel debs
06:38
do you know if there is a debian beagle kernel deb anywhere ?
06:38
(from debian itself i mean)
06:39
oh, wow !
06:39* ogra didnt know about http://packages.debian.org/sid/xserver-xorg-video-omap3
06:39* vagrantc didn't either
06:44
<ogra>
root@osiris:/# apt-cache search omap3
06:44
xserver-xorg-video-omap3 - X.Org X server -- Omapfb display driver (NEON optimized)
06:44
ah, already in ubuntu
06:44
to bad there is no properly packaged kernel
06:45
grrr
06:45
CONFIG_CRAMFS=m
06:49
<vagrantc>
build-depends on etherboot?
06:50
<ogra>
it carries the whole qemu source patched inline
06:50
<vagrantc>
ah
06:51
<ogra>
so i copied qemus debian/control witout adjustment
06:51
its a real crappy package ...
06:51
good enough for a PPA :)
06:57* vagrantc gives qemu-arm-eabi a whirl
06:57
<ogra>
:)
06:58* ogra goes to find some food
06:58* vagrantc too
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08:14
<vagrantc>
ogra: qemu-arm-eabi worked like a charm!
08:30
man-db doesn't like it ... but whatever
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08:39
<vagrantc>
ogra: to make things extra fun, i've been running qemu-arm-eabi under virtualbox :)
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09:10* vagrantc attempts to build a cross-arch ltsp chroot ...
09:17
<ogra>
heh
09:17
yeah, i saw the man-db moaning here as well
09:31
<vagrantc>
well, ltsp-build-client is mighty slow...
09:35
though i suppose it'd work from ltsp-build-client directly with the build-arm-eabi-chroot script ...
09:40
<ogra>
did you try my debootstrap change ?
09:40
it worked quite well here
09:42
<vagrantc>
ogra: looks like your build-arm-eabi-chroot would work as a drop-in replacement for debootstrap
09:42
rather than re-implementing it in an ltsp-build-client plugin ...
09:42
<ogra>
that too, though --arch would probably break
09:42
there is no check if it is in $@
09:43
not sure what debotstrap does if it gets it twice
09:43
<vagrantc>
bet it works fine...
09:43
<ogra>
QED :)
09:45* vagrantc tests
09:45
<vagrantc>
no complaints yet
09:45
<ogra>
yeah, i just wasnt sure what would happen with two different --arch values, but indeed thats impossible in ltsp-build-client
09:46
it gets the same one twice anyway
09:46
<vagrantc>
well, my clunkier attempt of building a chroot, installing ltsp-server, and running the whole environment from within the armel chroot failed...
09:46* vagrantc will try the simpler method.
09:52
<vagrantc>
ogra: there is *some* possibility that one would build armel on armel ...
09:52
ogra: the plugin doesn't account for that possibility...
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09:55
<vagrantc>
ah, build-arm-eabi-chroot assumes that the second argument will be the install dir... so that doesn't work as a drop-in replacement ...
09:55
but shouldn't be hard.
09:58* vagrantc patches it
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11:35
<vagrantc>
ogra: have you looked at this page: http://wiki.debian.org/QemuUserEmulation
11:35
ogra: basically sounds like a long-unimplemented plan to do what you've done
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11:57
<vagrantc>
ogra: booting a qemu arm LTSP machine!
12:01
going to try and boot someone's openmoko
12:04
<GGD>
!seen warren
12:04
<ltspbot>
GGD: warren was last seen in #ltsp 2 weeks, 3 days, 19 hours, 29 minutes, and 9 seconds ago: <warren> g
12:21
<vagrantc>
well, ldm doesn't start on my qemu-system-arm thin client ...
12:47
x fails to configure ...
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19:08
<Guest42772>
Hi! I set up an ltsp server but I'm getting when I start a virtual diskless client (at the end of the loading process, just before the login screen) I get this error: mount:error mounting Server_IP:/opt/ltsp/i386 on /sysroot as nfs: Input/output error
19:08
Any idea?
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19:11
<Guest42772>
I think there is a problem with mount of nfs but I'm not a Linux expert... (Server is a Fedora 11 x86_64)
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