Kernel Panic - Not Syncing After Ubuntu Upgrade, Update

Ubuntu Desktop 11.04 started from Live CD with Install window open (Photo credit: Wikipedia)

Kernel panic - not syncing! I upgraded to Ubuntu 16.04, and that is what I got.

After being away from my blogs for so long a time, building my own website, and letting it go after a year, I am back to Blogger.com.

Since my last blog, it was about 2 years already, I think more than. And I have forgotten what my e-mail was. I mean, there is one e-mail that I always use, as much as I can remember. But I tried to log in using that account, and it was not!

I tried my second best candidate, and even that one, it was not!

Searched a bit on how to find out who the blog owner is, found some things, like looking at the profile, etc. Didn't work for me.

Finally, I had to log-in with the account that I knew I always use, and checked out the settings, and I saw another e-mail account, and to my surprise! I mean, I can't believe, and I doubted, that I am using that e-mail in my blogs.

Nothing would be lost, so I tried, and what do you know? That was the correct e-mail account!

And I had to put this in writing, the error I encountered when I updated Ubuntu Linux to 16.04. That was the reason why I was anxious to start blogging again.

Kernel panic - not syncing... and some other texts.

Problem: 

After upgrading Ubuntu Linux to 16.04, I can't boot up Ubuntu Linux. Grub shows, but after selecting Ubuntu, OS stops at that line: Kernel panic - not syncing....

Solution(s):

1. boot-repair - this was the first thing I did. Using a Live CD/USD of the same distro, I booted up my laptop to Ubuntu, and issued below commands line-by-line:

sudo apt-add-repository ppa:yannubuntu/boot-repair

sudo apt-get update

sudo apt-get install -y boot-repair

boot-repair

There is a good graphical article here in help.ubuntu.com: Boot-Repair. 

That fixed Grub, and Ubuntu is able to boot up properly again. But Windows is now not showing in Grub! So I searched for possible fixes.

2. bootrec /rebuildbcd. That was the suggested fix, which requires botting up with a Windows installation CD/USD. And that was required to be run in a command prompt environment.

At first, it was not a success. Further searches, I got the idea that I need to mount Windows drive, which I unmounted when I tried to install 16.04 over my 15.04 version.

3. mount Windows partition. I booted up to Ubuntu Live CD/USB, opened up disks from terminal, click-select Windows partition, flicked the switch to mount, then remove hibernate file by adding in mount option: ,remove_hiberfile.

Then I ran grub repair utility. Still didn't see Windows in the Grub list.

4. boot-repair. I ran it a second time, and I saw that it is already seen as one of the OSes. I completed the repair.

As I was able to boot up Ubuntu Linux and Windows, I did 2 cycles of booting up Windows and Ubuntu Linux without touching anything yet. Once I am confident that Grub is properly working again, I did the last step of customization.

5. Grub Customizer. I removed Windows 8, moved up and down Ubuntu, Advanced Ubuntu Options and Windows according to my liking, and I am back.

I am posting up this article from Ubuntu Linux 16.04 distro. I hope it helps me in the future, if the opportunity comes, and I hope that it helps somebody else who face the same problem.

Till then!

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Samsung puts its money on LED

REVIEW SAMSUNG B7000 Full-HD LED TV

Enjoy higher contrast and enhanced efficiency on this media-friendly television set

Hedirman Supian, hedirman@mediacorp.com.sg

FLAT-PANEL television sets are becoming a commodity, no thanks to sliding prices. But how can manufacturers differentiate their products to lure the picky consumer? Well, electronics giant Samsung has gone the extra mile this time with its new series of LED-based full high-definition television sets.

Divided into three lines (the 8000, 7000 and 6000), the series employs light-emitting diodes (LEDs), instead of conventional cold cathode fluorescent lamps (CCFLs), for backlighting. LED technology makes the sets slimmer, increases the screen contrast and enhances energy efficiency.

The 40-inch model from the B7000 series appears amazingly svelte, looking thinner than the 3cm it actually measures at its thickest point. The only drawback was that it took quite a shove for some of the thicker cables to be plugged in, as the ports are positioned in such a manner that they are almost flush with the back surface.

Samsung has categorised the product’s interactive and content features under what it calls Medi@2.0, which includes Internet@TV, Content Library, USB 2.0 Movie and DLNA Wireless. Like its recent predecessor, the B7000 incorporates a range of pre-loaded content dubbed the Content Library. It includes a picture gallery, games, as well as cooking and fitness programmes.

You can download new content online and delete content you no longer need. USB 2.0 lets you hook up USB-based storage to view JPEG images, listen to MP3s, or watch movies. Its DNLA Wireless feature lets you access media on other DNLA-compatible devices, like the Sony PlayStation 3, mobile phones and computers. We loved the built-in YouTube feature because it provided a wealth of easily-accessible content. The movies on the online video-sharing site loaded fast and looked great even on the 40-inch TV.

With the TV being so reliant on networking and Internet connectivity for so many of its interactive features and content, we like the fact that Samsung is bundling a free wireless USB dongle with each set.

In terms of performance, the TV offered a marked difference in contrast, allowing you to see textures and details in dark scenes. While the display brightness was way above average, we noticed some over exposure in brightly-lit conditions and had to tone down the settings. Fast-moving action scenes weren’t as smooth as expected when it came to movies at 1080p resolution. There was slight fuzziness, but it was a non-issue over time when we started playing action games at 1080p using a PlayStation 3. The TV also ran much cooler than other sets we’ve reviewed before.

Apart from the long remote that allows for total control of the B7000, you get a mini-remote that lets you adjust the volume and switch channels. This was a nice touch, but with the plethora of cable boxes and other home theatre equipment hooked up to the TV, you’ll be better off with the full-featured remote, which also has a nifty backlight that allows you to use it in the dark.

The Samsung B7000 series ($5,399) shows that there’s still much room for improvement for TVs when it comes to bundling it with content and Internet connectivity. The added YouTube feature is a first for a TV and the device’s media-friendly features certainly make it easy for you to access content without the hassle of hooking it up to a computer or media centre.

From TODAY, Tech; Friday, 15-May-2009

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