Wolfson modified Noobs raspbian zipped img  Cannot unzip new download

I am experiencing the same problem. I have downloaded http://downloads.element14.com/wolfson/wolfson_3.10_master.zip onto two different computer systems, and on both systems get the following error message when using unzip to unpack the file:

sh-4.2$ unzip wolfson_3.10_master.zip

Archive:  wolfson_3.10_master.zip

warning [wolfson_3.10_master.zip]:  418149653 extra bytes at beginning or within zipfile

  (attempting to process anyway)

error [wolfson_3.10_master.zip]:  start of central directory not found;

  zipfile corrupt.

  (please check that you have transferred or created the zipfile in the

  appropriate BINARY mode and that you have compiled UnZip properly)

Has anyone unzipped this file succesfully? Which version of unzip or other archive program did you use?

Thanks,

Geordie

I've not tried it on the file you mention, but on other zip files occasionally Windows in-built unzipping capability fails.

WinZip comes with nags and bloatware, and is really not recommended either.

7-zip has never failed for me. It may be worth a try.

On Linux I just use built-in unzip CLI utility.

In both cases I used unzip on the command line. I also unzipped it with "The Unarchiver" on MacOS 10.7.4. That didn't work either. Unfortunately I don't have a Windows installation so I can't try 7-zip...

Please make the md5 checksum for this file available.

Thank you

Patrick

I have kept my original download, but I have downloaded the zip file again to compare them.

I'm running WinXP with Cygwin.

My old download from Feb 26 and today's are identical.

$ ls -ltr *wolfson*zip
-rwx------+ 1 ragnar Ingen 4713117059 Feb 26 12:16 wolfson_3.10_master.zip
-rwx------+ 1 ragnar Ingen 4713117059 Mar 17 21:12 new_wolfson_3.10_master.zip
$ md5sum wolfson_3.10_master.zip new_wolfson_3.10_master.zip
72d091a9b43e47a5b7b85432ec15611c *wolfson_3.10_master.zip
72d091a9b43e47a5b7b85432ec15611c *new_wolfson_3.10_master.zip

WinZip complains - "Archive is greater than 4 gigabytes."

WinRAR complains - "! ... wolfson_3.10_master.zip: Either multipart or corrupt ZIP archive"

Command line unzip complains - "warning [wolfson_3.10_master.zip]: 418149653 extra bytes at beginning or within zipfile...error [wolfson_3.10_master.zip]: start of central directory not found;...

7-zip works, it extracts the image OK.

There are Linux and OSX versions of 7-zip available at http://www.7-zip.org/download.html

--

Ragnar

Hi Ragnar,

The first time I downloaded the file and uzipped it, I used my LInux box, and I had no problems,  I think, (not sure)  I have rebuilt the Linux system in the meantime, (which I do quite often),  and moved from pure Debian to a  Mint  distro.

Unfortunately, I cannot remember whether the Deb system had any 'special' unzippers installed, or how I unzipped it the first time.

I know that with the current system,  I cannot use the standard cli unzip,  or the gui un-archiver, (I don't know whether that is a wrapper for the standard unzip).

I will try your recommendation later.

thanks

regards

Patrick

At least in the Ubuntu and Raspbian repositories, there are 7-zip packages available.

p7zip - 7z file archiver with high compression ratio

p7zip-full - 7z and 7za file archivers with high compression ratio

--

Ragnar

I successfully unzipped the file on MacOS using Keka ( Keka - the free Mac OS X file archiver ).
Ben.

Sadly, 7-zip on macos 10.7.4 fails to open the file as well. "Keka" fails with the following error:

Extraction of wolfson_3.10_master.zip failed

Error code 2 using "p7zip"

Fatal error

In the absence of any customer support whatsoever from Element14/Newark and Wolfson Microelectronics I guess I'll just try downloading the next macos version of 7-zip from http://www.7-zip.org/download.html

This product - the audio card -  sure is Mickey Mouse! Can it be that the it requires windows in order to work? It would have been helpful if they had said that up front.

I just want to use the card that I paid them good money for.

Thanks, Ragnar and Benjamin

I'm having the same problem. The download process shows that the image file is supposed to be 4.4gb yet only 480mb is all that's downloaded. Is this correct?