On a side note:

Actually the network drop is a known issue with intel wireless N cards. I'm on 
mobile at the moment so unable to find bug but there is a known workaround to 
this, so long as you can put up with wireless G speeds only. 

Find the driver, or module, by using iwconfig - in my case I know I have the 
module iwlwifi.

To disable wireless N to see if it fixes problem, type these into a terminal 
window:

sudo rmmod iwlwifi (or whatever module is confit spits out)
sudo modprobe iwlwifi 11n_disable=1

What I have done is made myself a simple bash script with those two lines so 
that when I connect to an N network I can disable it and run at G speeds 
without failure. 

Hope this helps,

Scott

Sent from my iPhone

On 19/09/2012, at 11:21 PM, Adam Dingle <[email protected]> wrote:

> 
> 
> On Wed, Sep 19, 2012 at 5:56 AM, Farrukh Najmi <[email protected]> wrote:
> 
> Hi Guys, 
> 
> I had upgraded to Shotwell 0.12.3 as a part of upgrade to Ubuntu 12.04. Later 
> I ran into network drop problems in Ubuntu 12.04 and 11.10 that drove my 
> productivity to near zero. So I reverted back to Ubuntu 11.04 and Shotwell 
> 0.11.6. 
> 
> Now when I run shotwell I get: 
> 
> "Your photo library is not compatible with this version of Shotwell. It 
> appears it was created by Shotwell 0.12.3 (schema 15). This version is 0.11.6 
> (schema 14). Please use the latest version of Shotwell." 
> 
> Is there a way to build latest shotwell on Ubuntu 11.04?
> 
> Not easily.  Shotwell 0.12 depends on libraries found only in Ubuntu 11.10 
> and higher.  Similarly, the upcoming Shotwell 0.13 (or the pre-release 
> 0.12.90) depends on libraries found only in Ubuntu 12.04 and higher.
> 
> By reverting back to an older Ubuntu you may not be able to run the latest 
> versions of lots of useful programs.  Instead, you could try upgrading to the 
> development version of Ubuntu 12.10 (Quantal Quetzal).  I've been running it 
> every day for months now with few problems.  If the network drop problems are 
> still occurring there, you could file a bug report with Ubuntu.
> 
> adam
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