Qandeel, I agree that you shouldn't get a kernel panic with apt-get update. 
I am using the same image as you, but roscore runs fine. Do you have any peripherals connected? Like USB keyboard? How are you accessing the terminal?

Let me know,

Adam

On Wed, May 29, 2013 at 1:06 PM, Qandeel Sajid <sajid.qandeel@gmail.com> wrote:
It's not connected to the internet but I think it should have just given me a small error instead of a kernel panic. 

Considering what Florian mentioned, I used fsck before I booted into it and the results showed that the file system was fine. After the kernel panic, the file systems were corrupted and I used fsck to fix them. However, when I tried to boot it again after the kernel panic, it would either output junk or stop somewhere at the start of the autoboot process and I had to reinstall the image.

No, I didn't do anything before the sudo apt-get update. Also, in another one of my test runs, the file system error happened automatically without me typing in any command. l

After I download the image I tried to run ros using 
$ cd ~/ros
$ . ./setup.sh
$ roscore
A kernel panic occurs when I do . ./setup.sh and only outputs Kernel panic - not syncing: Attempted to kill init! exitcode=0x000000.

I'm using a 32GB sd card and the image only 8GB of it. The rest is free space. Should the image be resized to fill the whole card? If so, how? I tried using just an 8GB card and booting in to it results in either junk or no autoboot. 

I'm pretty new to hardware so it is possible that I'm forgetting to initialize something or just doing something silly, but I made sure to follow the instruction on the Gumstix website so I'm not sure what that something is. 

Thanks for the help,
Qandeel


On Wed, May 29, 2013 at 10:04 AM, adam <adam@gumstix.com> wrote:
Hi Qandeel, 

Can you check your network connection? Try 

    $ ping www.google.com

It looks like your connection isn't live. 

As per the kernel panic, I am not sure what's causing it. Like Florian mentioned, you may have a corrupted file system. 
Right now I am running the same image on my Overo + Tobi setup, and haven't experienced a kernel panic. Are you doing anything else before running apt-get update? 

Thanks and let me know!

Adam


On Tue, May 28, 2013 at 4:14 PM, Qandeel Sajid [via Gumstix] <[hidden email]> wrote:
I'm using a Gumstix with the Overo Stagecoach Board on Ubuntu 12.04 (though virtualbox). 
This time I tried to do a simple "sudo apt-get update" and I got another kernel panic with the error:

root@linaro-alip:~/ros# sudo apt-get update
Err http://ports.ubuntu.com precise InRelease
 
Err http://ppa.launchpad.net precise InRelease
 
Err http://ppa.launchpad.net precise Release.gpg
  Temporary failure resolving 'ppa.launchpad.net'
Err http://ports.ubuntu.com precise Release.gpg
  Temporary failure resolving 'ports.ubuntu.com'
[  594.931762] EXT3-fs error (device mmcblk0p2): ext3_free_blocks_sb: bit already cleared for block 298023
[  594.946044] init: Caught segmentation fault, core dumped
[  594.952636] Aborting journal on device mmcblk0p2.
[  594.960968] EXT3-fs (mmcblk0p2): error: remounting filesystem read-only
[  594.972717] Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b
[  594.972717]




On Tue, May 28, 2013 at 3:37 PM, Adam Lee <[hidden email]> wrote:
Hi Qandeel, can you share some details, such as your hardware setup and the output of kernel panic?

Thanks!

Adam

On Tue, May 28, 2013 at 10:52 AM, Qandeel Sajid <[hidden email]> wrote:
I downloaded the pre-built image of Linaro with ROS from the Gumstix website and then when I try to use ros and run roscore, it runs in to a kernel panic and then hangs.
I don't understand why or how to stop it.

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View this message in context: Re: Pre-built Linaro with ROS image runs into a kernel panic
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