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Author Topic: Ubuntu 8.10 (Intrepid) for XO  (Read 558766 times)

#330 Re: Ubuntu 8.10 (Intrepid) for XO

Walter Neff
Commenter

Posts: 6


January 09, 2009, 07:20:38 AM

Quote
I do not really know but it might have to do with the USB keyboard again. Screen saver does not have "hot corners" or anything else and should not kick in like that. Does it happen when the keyboard is not connected? Also (though an unlikely reason) you may want to eliminate one of the two menu entries of the screen saver http://www.olpcnews.com/forum/index.php?topic=4053.msg28118#msg28118.
About the delay/refusal of the screen saver to kick in, It could be that aggressive suspend also stops screen saver from kicking in. See whet happens without aggressive-suspend.

Thank you for all the help, mavrothal. The screen saver problem seems completely unrelated to the USB keyboard, as the same thing happens whether or not the USB keyboard is plugged in. But maybe it is related to the power-saving mode -- which I'll have to turn off anyhow because of the keyboard problem -- or the two menu entries. I'll try the first fix, then the second if it doesn't work. Thanks again for the help.

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#331 Re: Ubuntu 8.10 (Intrepid) for XO

teapot
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Posts: 662



WWW
January 10, 2009, 02:32:43 AM

1) When I have a USB keyboard plugged in, no matter what program I'm typing into -- OpenOffice, Firefox, whatever -- the OLPC will eventually stop receiving my input, especially if I stop typing for a couple seconds.

Power management script does not detect input devices' activity unless it's built-in keyboard or trackpad. This will be fixed in the next scripts update (along with multiple processes started from that script that were supposed to detect input activity but ended up doing nothing).
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#332 Re: Ubuntu 8.10 (Intrepid) for XO

Walter Neff
Commenter

Posts: 6


January 10, 2009, 07:17:29 AM

Power management script does not detect input devices' activity unless it's built-in keyboard or trackpad. This will be fixed in the next scripts update (along with multiple processes started from that script that were supposed to detect input activity but ended up doing nothing).

Thanks, teapot! I'll keep watching this forum to see when the new script is available, then turn power-management back on. The power management is fantastic -- I can't believe how many hours the OLPC can last without being plugged in -- but I can't do any serious typing on the OLPC's own keyboard.
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#333 Re: Ubuntu 8.10 (Intrepid) for XO Miro

skroner
Commenter

Posts: 7


January 10, 2009, 01:51:50 PM

I just installed Miro  http://www.getmiro.com/

sudo apt-get install miro

I have to admit that it runs fairly well on the OLPC
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#334 Re: Ubuntu 8.10 (Intrepid) for XO

mavrothal
Administrator
OLPC News Forum Expert
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Posts: 1289


January 13, 2009, 12:41:16 AM

So.... the big question is:...(drums...)
what is teapot "cooking" for the past couple of weeks? ;-D
He's been awfully quite on every front....
Is he on vacation?... : O
The populous wants to know :-)
(OK... I'm just curious...)
Logged

XO-1: Is never going to run Flash, but is certainly flashy!
(If you want Flash, get an XO-1.5 running OLPC 11.2.0 or XOpup Grin )

#335 Re: Ubuntu 8.10 (Intrepid) for XO

nowfocus
New

Posts: 1


January 13, 2009, 03:56:55 PM

Removed for redundancy
« Last Edit: January 13, 2009, 04:34:46 PM by nowfocus » Logged

#336 Re: Ubuntu 8.10 (Intrepid) for XO

Tess
New

Posts: 2


January 14, 2009, 10:11:22 AM

Teapot - thanks so much for this line by line.

Make the partition table:
echo -e ',,L,*\n\n\n' | sfdisk /dev/mmcblk0

I receive the following error:
sfdisk: ERROR: sector 0 does not have an msdos signature
/dev/mmcblk0: unrecognized partition table type
Old Situation:
No partitions found
trailing junk after number

I have a PNY Optima SD 2GB - the first one I tried I did not format on my XP machine, the second I did. Error same for both cards.

Am continuing to hunt for answers - would appreciate the boost.
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#337 Re: Ubuntu 8.10 (Intrepid) NEXT

Tess
New

Posts: 2


January 14, 2009, 12:08:19 PM

I found some extra steps, and after a few tries, am now further than previously stated.

Please forgive my repeat of an earlier problem. This is my first ever discussion group and I am a bit unfamiliar with the terrain.

I worked and worked and am now further in my installation of Intrepid. (Yay)

Partition created!

Upon re-reading partition; I get "If you created or changed a DOS partition, then use dd(1) to zero the first 512 bytes:  dd if=/dev/zero of=/dev/foo7 bs=512 count=1 (see fdisk (Cool)

I did open fdisk - ACK! and panicked accordingly. Am I creating a DOS partition?
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#338 Re: Ubuntu 8.10 (Intrepid) for XO

mavrothal
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OLPC News Forum Expert
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Posts: 1289


January 14, 2009, 12:56:29 PM

Tess, follow the instructions EXACTLY (incluing the order of events) as described in Teapot's original post.
The whole thing is done on the XO under Sugar. Just have the OLPCFiles-intrepid-20081130.tar.bz2 file (the downloaded torrent file) in USB stick and your SDcard.
Should work OK.
If not try another brand new card (not PNY) directly out of the box.
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XO-1: Is never going to run Flash, but is certainly flashy!
(If you want Flash, get an XO-1.5 running OLPC 11.2.0 or XOpup Grin )

#339 Re: Ubuntu 8.10 (Intrepid) for XO

Noob-Bob
Commenter

Posts: 15


January 14, 2009, 01:36:45 PM

Hi folks,

I posted this problem in the OpenOffice thread, but am having the same problem when installing or updating just about anything so thought to cross post here.  I am using Synaptic and get the following error message, either when installing, or even when removing a package.

Setting up sun-java6.doc (6-10-Oubuntu2) …
This package is an installer package, it does not actually contain the JDK documentation.  You will need to go download one of the archives:
   jdk-6-doc.zip   jdk-6-doc-ja.zip
(Choose the non-update version if this is the first installation).
Please visit
   http://java.sun.com/javase/downloads/
now and download.  The file should be owned by root.root and be copied to /tmp

Press return to try again,, no & return to abort/"

I did "no <<" twice
Got the following in a pop-up box.

"Abort installation of JDK documentation
Dpkg:  error processing sun-java6-doc )—configure):
E: sun-java6-doc: subprocess post-installation script returned error exit status 1"

So, I tried just removing and installing  java-common via Synaptic and got the same message.
I checked the Java SE URL listed, and found a bunch of info related to Java for M$ Windows.  Searching for jdk-6-doc.zip lead to a 165 MB download, again, all the release notes related to M$ Windows.  Searching for jdk-6-doc-ja.zip found nothing. 

It is hard to believe I need a huge documentation package when the main Java-Common was less than 100 MB.  If I do need it, I'd appreciate some tips on getting it to the right place, and "owned by root.root". 

So, am I getting wrapped around a non-issue?  Java-Common shows in Synaptic as being installed, without any broken packages? 

Thanks for your help!

Other than some issues caused by the user part of the UI (grin), Intrepid and these instructions have been great.  Almost everything worked right out of the box, and the most common applications we all "need" are built in.

Bob
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#340 Re: Ubuntu 8.10 (Intrepid) for XO

teapot
OLPC News Forum Expert
****
Posts: 662



WWW
January 14, 2009, 09:17:55 PM

So.... the big question is:...(drums...)
what is teapot "cooking" for the past couple of weeks? ;-D
He's been awfully quite on every front....
Is he on vacation?... : O
The populous wants to know :-)
(OK... I'm just curious...)

I am not on vacation -- I was very busy at my regular work, so I had less time was available for everything else. I am working on better power management support (more USB keyboard/mice compatibility, less ugliness in scripts), Ubuntu-packaged kernel, installer script and better boot script.
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#341 Re: Ubuntu 8.10 (Intrepid) for XO

pkohn
Commenter

Posts: 8


January 15, 2009, 02:33:30 PM

Make the partition table:
echo -e ',,L,*\n\n\n' | sfdisk /dev/mmcblk0

I receive the following error:
sfdisk: ERROR: sector 0 does not have an msdos signature
/dev/mmcblk0: unrecognized partition table type
Old Situation:
No partitions found
trailing junk after number


I'm getting this too, since my install crashed halfway through. I had foolishly left the machine running on battery when it crashed ..

I'm currently trying to re format my lovely new SD card using a Panasonic formatting utility (on XP), having discovered a) that formatting to FAT32 on XP doesn't help and b) I've been unable to follow the FAT32 formatting on the XO instructions using 'dosfstools'.

I wonder if this will work this time ... I've done my head in three nights this week already!
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#342 Re: Ubuntu 8.10 (Intrepid) for XO- video from the webcam

mavrothal
Administrator
OLPC News Forum Expert
*****
Posts: 1289


January 15, 2009, 02:52:42 PM

I gave another try to wxcam 1.0.3 installing from the deb package http://sourceforge.net/project/showfiles.php?group_id=200261&package_id=237741&release_id=649807
Works fine with a few caveats.
Restart your XO after installation, or will freeze the XO on first launch.
Remove Cheese, if you have it installed or any other camera-controlling app (skype is OK if video is disabled) and any orphan dependencies left behind after that.
In Settings-> Preferences set frame format to “YUYV” and driver to “video4linux2”
To make audio work in xvid video mode, make sure the audio device in Settings-> Preferences->Video is /dev/.static/dev/dsp (the default is missing the final “dsp”)
To change fame size to any other than the 640x480 default setting, you must manually edit, with your favorite text editor, the .wxcam file in the home directory (does not work through Settings-> Preferences)
With no other application running I could record 5-6fps 640x480 video and 11-12fps 320x240 video with sound, which is not bad.
The only problem is that playback is faster than the recording! 2x to be precise!. Maybe some more settings fiddling is needed or  Teapot's hand...
« Last Edit: January 15, 2009, 03:42:32 PM by mavrothal » Logged

XO-1: Is never going to run Flash, but is certainly flashy!
(If you want Flash, get an XO-1.5 running OLPC 11.2.0 or XOpup Grin )

#343 Re: Ubuntu 8.10 (Intrepid) for XO- video from the webcam

teapot
OLPC News Forum Expert
****
Posts: 662



WWW
January 15, 2009, 07:17:06 PM

With no other application running I could record 5-6fps 640x480 video and 11-12fps 320x240 video with sound, which is not bad.
The only problem is that playback is faster than the recording! 2x to be precise!. Maybe some more settings fiddling is needed or  Teapot's hand...

I know about that problem -- it happens because of the method wxcam uses to estimate frame rate that it can achieve, so I have to change that.
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#344 Re: Ubuntu 8.10 (Intrepid) NEXT

teapot
OLPC News Forum Expert
****
Posts: 662



WWW
January 15, 2009, 07:23:07 PM

I found some extra steps, and after a few tries, am now further than previously stated.

Please forgive my repeat of an earlier problem. This is my first ever discussion group and I am a bit unfamiliar with the terrain.

I worked and worked and am now further in my installation of Intrepid. (Yay)

Partition created!

Upon re-reading partition; I get "If you created or changed a DOS partition, then use dd(1) to zero the first 512 bytes:  dd if=/dev/zero of=/dev/foo7 bs=512 count=1 (see fdisk (Cool)

I did open fdisk - ACK! and panicked accordingly. Am I creating a DOS partition?


No, it is supposed to be a Linux partition, and the next step is to create a filesystem on it, so it will be updated anyway.

The whole procedure (from "dd" to "mke2fs") is made specifically to erase everything that potentially can mess up the MBR, partitions or filesystems' superblocks, so bootloader will only see one bootable filesystem on the first partition.
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