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                <title>Petter Reinholdtsen - Entries from July 2013</title>
                <description>Entries from July 2013</description>
                <link>http://people.skolelinux.org/pere/blog/</link>

        
        <item>
                <title>Intel SSD 520 Series 180 GB with Lenovo firmware still lock up from sustained writes</title>
                <link>http://people.skolelinux.org/pere/blog/Intel_SSD_520_Series_180_GB_with_Lenovo_firmware_still_lock_up_from_sustained_writes.html</link>        
                <guid isPermaLink="true">http://people.skolelinux.org/pere/blog/Intel_SSD_520_Series_180_GB_with_Lenovo_firmware_still_lock_up_from_sustained_writes.html</guid>
                <pubDate>Wed, 10 Jul 2013 13:30:00 +0200</pubDate>
                <description>&lt;p&gt;A few days ago, I wrote about
&lt;a href=&quot;http://people.skolelinux.org/pere/blog/The_Thinkpad_is_dead__long_live_the_Thinkpad_X230_.html&quot;&gt;the
problems I experienced with my new X230 and its SSD disk&lt;/a&gt;, which
was dying during installation because it is unable to cope with
sustained write.  My supplier is in contact with
&lt;a href=&quot;http://www.lenovo.com/&quot;&gt;Lenovo&lt;/a&gt;, and they wanted to send a
replacement disk to try to fix the problem.  They decided to send an
identical model, so my hopes for a permanent fix was slim.&lt;/p&gt;

&lt;p&gt;Anyway, today I got the replacement disk and tried to install
Debian Edu Wheezy with encrypted disk on it.  The new disk have the
same firmware version as the original.  This time my hope raised
slightly as the installation progressed, as the original disk used to
die after 4-7% of the disk was written to, while this time it kept
going past 10%, 20%, 40% and even past 50%.  But around 60%, the disk
died again and I was back on square one.  I still do not have a new
laptop with a disk I can trust.  I can not live with a disk that might
lock up when I download a new
&lt;a href=&quot;http://www.skolelinux.org/&quot;&gt;Debian Edu / Skolelinux&lt;/a&gt; ISO or
other large files.  I look forward to hearing from my supplier with
the next proposal from Lenovo.&lt;/p&gt;

&lt;p&gt;The original disk is marked Intel SSD 520 Series 180 GB,
11S0C38722Z1ZNME35X1TR, ISN: CVCV321407HB180EGN, SA: G57560302, FW:
LF1i, 29MAY2013, PBA: G39779-300, LBA 351,651,888, LI P/N: 0C38722,
Pb-free 2LI, LC P/N: 16-200366, WWN: 55CD2E40002756C4, Model:
SSDSC2BW180A3L 2.5&quot; 6Gb/s SATA SSD 180G 5V 1A, ASM P/N 0C38732, FRU
P/N 45N8295, P0C38732.&lt;/p&gt;

&lt;p&gt;The replacement disk is marked Intel SSD 520 Series 180 GB,
11S0C38722Z1ZNDE34N0L0, ISN: CVCV315306RK180EGN, SA: G57560-302, FW:
LF1i, 22APR2013, PBA: G39779-300, LBA 351,651,888, LI P/N: 0C38722,
Pb-free 2LI, LC P/N: 16-200366, WWN: 55CD2E40000AB69E, Model:
SSDSC2BW180A3L 2.5&quot; 6Gb/s SATA SSD 180G 5V 1A, ASM P/N 0C38732, FRU
P/N 45N8295, P0C38732.&lt;/p&gt;

&lt;p&gt;The only difference is in the first number (serial number?), ISN,
SA, date and WNPP values.  Mentioning all the details here in case
someone is able to use the information to find a way to identify the
failing disk among working ones (if any such working disk actually
exist).&lt;/p&gt;
</description>
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        <item>
                <title>July 13th: Debian/Ubuntu BSP and Skolelinux/Debian Edu developer gathering in Oslo</title>
                <link>http://people.skolelinux.org/pere/blog/July_13th__Debian_Ubuntu_BSP_and_Skolelinux_Debian_Edu_developer_gathering_in_Oslo.html</link>        
                <guid isPermaLink="true">http://people.skolelinux.org/pere/blog/July_13th__Debian_Ubuntu_BSP_and_Skolelinux_Debian_Edu_developer_gathering_in_Oslo.html</guid>
                <pubDate>Tue, 9 Jul 2013 10:40:00 +0200</pubDate>
                <description>&lt;p&gt;The upcoming Saturday, 2013-07-13, we are organising a combined
Debian Edu developer gathering and Debian and Ubuntu bug squashing
party in Oslo.  It is organised by &lt;a href=&quot;http://www.nuug.no/&quot;&gt;the
member assosiation NUUG&lt;/a&gt; and
&lt;a href=&quot;http://www.skolelinux.org/&quot;&gt;the Debian Edu / Skolelinux
project&lt;/a&gt; together with &lt;a href=&quot;http://bitraf.no/&quot;&gt;the hack space
Bitraf&lt;/a&gt;.&lt;/p&gt;

&lt;p&gt;It starts 10:00 and continue until late evening.  Everyone is
welcome, and there is no fee to participate.  There is on the other
hand limited space, and only room for 30 people.  Please put your name
on &lt;a href=&quot;http://wiki.debian.org/BSP/2013/07/13/no/Oslo&quot;&gt;the event
wiki page&lt;/a&gt; if you plan to join us.&lt;/p&gt;
</description>
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        <item>
                <title>The Thinkpad is dead, long live the Thinkpad X230?</title>
                <link>http://people.skolelinux.org/pere/blog/The_Thinkpad_is_dead__long_live_the_Thinkpad_X230_.html</link>        
                <guid isPermaLink="true">http://people.skolelinux.org/pere/blog/The_Thinkpad_is_dead__long_live_the_Thinkpad_X230_.html</guid>
                <pubDate>Fri, 5 Jul 2013 08:30:00 +0200</pubDate>
                <description>&lt;p&gt;Half a year ago, I reported that I had to find a
&lt;a href=&quot;http://people.skolelinux.org/pere/blog/Thank_you_Thinkpad_X41__for_your_long_and_trustworthy_service.html&quot;&gt;replacement
for my trusty old Thinkpad X41&lt;/a&gt;.  Unfortunately I did not have much
time to spend on it, and it took a while to find a model I believe
will do the job, but two days ago the replacement finally arrived.  I
ended up picking a
&lt;a href=&quot;http://www.linlap.com/lenovo_thinkpad_x230&quot;&gt;Thinkpad X230&lt;/a&gt;
with SSD disk (NZDAJMN).  I first test installed Debian Edu Wheezy as
a roaming workstation, and it seemed to work flawlessly.  But my
second installation with encrypted disk was not as successful.  More
on that below.&lt;/p&gt;

&lt;p&gt;I had a hard time trying to track down a good laptop, as my most
important requirements (robust and with a good keyboard) are never
listed in the feature list.  But I did get good help from the search
feature at &lt;a href=&quot;http://www.prisjakt.no/&quot;&gt;Prisjakt&lt;/a&gt;, which
allowed me to limit the list of interesting laptops based on my other
requirements.  A bit surprising that SSD disk are not disks according
to that search interface, so I had to drop specifying the number of
disks from my search parameters.  I also asked around among friends to
get their impression on keyboards and robustness.&lt;/p&gt;

&lt;p&gt;So the new laptop arrived, and it is quite a lot wider than the
X41.  I am not quite convinced about the keyboard, as it is
significantly wider than my old keyboard, and I have to stretch my
hand a lot more to reach the edges.  But the key response is fairly
good and the individual key shape is fairly easy to handle, so I hope
I will get used to it.  My old X40 was starting to fail, and I really
needed a new laptop now. :)&lt;/p&gt;

&lt;p&gt;Turning off the touch pad was simple.  All it took was a quick
visit to the BIOS during boot it disable it.&lt;/p&gt;

&lt;p&gt;But there is a fatal problem with the laptop.  The 180 GB SSD disk
lock up during load.  And this happen when installing Debian Wheezy
with encrypted disk, while the disk is being filled with random data.
I also tested to install Ubuntu Raring, and it happen there too if I
reenable the code to fill the disk with random data (it is disabled by
default in Ubuntu).  And the bug with is already known.  It was
reported to Debian as &lt;a href=&quot;http://bugs.debian.org/691427&quot;&gt;BTS
report #691427 2012-10-25&lt;/a&gt; (journal commit I/O error on brand-new
Thinkpad T430s ext4 on lvm on SSD).  It is also reported to the Linux
kernel developers as
&lt;a href=&quot;https://bugzilla.kernel.org/show_bug.cgi?id=51861&quot;&gt;Kernel bugzilla
report #51861 2012-12-20&lt;/a&gt; (Intel SSD 520 stops working under load
(SSDSC2BW180A3L in Lenovo ThinkPad T430s)). It is also reported on the
Lenovo forums, both for
&lt;a href=&quot;http://forums.lenovo.com/t5/T400-T500-and-newer-T-series/T430s-Intel-SSD-520-180GB-issue/m-p/1070549&quot;&gt;T430
2012-11-10&lt;/a&gt; and for
&lt;a href=&quot;http://forums.lenovo.com/t5/X-Series-ThinkPad-Laptops/x230-SATA-errors-with-180GB-Intel-520-SSD-under-heavy-write-load/m-p/1068147&quot;&gt;X230
03-20-2013&lt;/a&gt;.  The problem do not only affect installation.  The
reports state that the disk lock up during use if many writes are done
on the disk, so it is much no use to work around the installation
problem and end up with a computer that can lock up at any moment.
There is even a
&lt;a href=&quot;https://git.efficios.com/?p=test-ssd.git&quot;&gt;small C program
available&lt;/a&gt; that will lock up the hard drive after running a few
minutes by writing to a file.&lt;/p&gt;

&lt;p&gt;I&#39;ve contacted my supplier and asked how to handle this, and after
contacting PCHELP Norway (request 01D1FDP) which handle support
requests for Lenovo, his first suggestion was to upgrade the disk
firmware.  Unfortunately there is no newer firmware available from
Lenovo, as my disk already have the most recent one (version LF1i).  I
hope to hear more from him today and hope the problem can be
fixed. :)&lt;/p&gt;
</description>
        </item>
        
        <item>
                <title>The Thinkpad is dead, long live the Thinkpad X230</title>
                <link>http://people.skolelinux.org/pere/blog/The_Thinkpad_is_dead__long_live_the_Thinkpad_X230.html</link>        
                <guid isPermaLink="true">http://people.skolelinux.org/pere/blog/The_Thinkpad_is_dead__long_live_the_Thinkpad_X230.html</guid>
                <pubDate>Thu, 4 Jul 2013 09:20:00 +0200</pubDate>
                <description>&lt;p&gt;Half a year ago, I reported that I had to find a replacement for my
trusty old Thinkpad X41.  Unfortunately I did not have much time to
spend on it, but today the replacement finally arrived.  I ended up
picking a &lt;a href=&quot;http://www.linlap.com/lenovo_thinkpad_x230&quot;&gt;Thinkpad
X230&lt;/a&gt; with SSD disk (NZDAJMN).  I first test installed Debian Edu
Wheezy as a roaming workstation, and it worked flawlessly.  As I write
this, it is installing what I hope will be a more final installation,
with a encrypted hard drive to ensure any dope head stealing it end up
with an expencive door stop.&lt;/p&gt;

&lt;p&gt;I had a hard time trying to track down a good laptop, as my most
important requirements (robust and with a good keyboard) are never
listed in the feature list.  But I did get good help from the search
feature at &lt;ahref=&quot;http://www.prisjakt.no/&quot;&gt;Prisjakt&lt;/a&gt;, which
allowed me to limit the list of interesting laptops based on my other
requirements.  A bit surprising that SSD disk are not disks, so I had
to drop number of disks from my search parameters.&lt;/p&gt;

&lt;p&gt;I am not quite convinced about the keyboard, as it is significantly
wider than my old keyboard, and I have to stretch my hand a lot more
to reach the edges.  But the key response is fairly good and the
individual key shape is fairly easy to handle, so I hope I will get
used to it.  My old X40 was starting to fail, and I really needed a
new laptop now. :)&lt;/p&gt;

&lt;p&gt;I look forward to figuring out how to turn off the touch pad.&lt;/p&gt;
</description>
        </item>
        
        <item>
                <title>Fourth alpha release of Debian Edu/Skolelinux based on Debian Wheezy</title>
                <link>http://people.skolelinux.org/pere/blog/Fourth_alpha_release_of_Debian_Edu_Skolelinux_based_on_Debian_Wheezy.html</link>        
                <guid isPermaLink="true">http://people.skolelinux.org/pere/blog/Fourth_alpha_release_of_Debian_Edu_Skolelinux_based_on_Debian_Wheezy.html</guid>
                <pubDate>Wed, 3 Jul 2013 14:00:00 +0200</pubDate>
                <description>&lt;p&gt;The fourth wheezy based alpha release of Debian Edu was wrapped up
today.  This is the release announcement:&lt;/p&gt;

&lt;p&gt;&lt;strong&gt;New features for Debian Edu 7.1+edu0~alpha3 released
2013-07-03&lt;/strong&gt;&lt;/p&gt;

&lt;p&gt;These are the release notes for for Debian Edu / Skolelinux
7.1+edu0~alpha3, based on Debian with codename &quot;Wheezy&quot;.&lt;/p&gt;

&lt;p&gt;&lt;strong&gt;About Debian Edu and Skolelinux&lt;/strong&gt;&lt;/p&gt;

&lt;p&gt;&lt;a href=&quot;http://www.skolelinux.org/&quot;&gt;Debian Edu, also known as
Skolelinux&lt;/a&gt;, is a Linux distribution based on Debian providing an
out-of-the box environment of a completely configured school
network. Immediately after installation a school server running all
services needed for a school network is set up just waiting for users
and machines being added via GOsa², a comfortable Web-UI. A netbooting
environment is prepared using PXE, so after initial installation of
the main server from CD, DVD or USB stick all other machines can be
installed via the network. The provided school server provides LDAP
database and Kerberos authentication service, centralized home
directories, DHCP server, web proxy and many other services. The
desktop contains
&lt;a href=&quot;http://people.skolelinux.org/pere/blog/Educational_applications_included_in_Debian_Edu___Skolelinux__the_screenshot_collection____.html&quot;&gt;more
than 60 educational software packages&lt;/a&gt; and more are available from
the Debian archive, and schools can choose between KDE, Gnome, LXDE
and Xfce desktop environment.&lt;/p&gt;

&lt;p&gt;This is the fourth test release based on Debian Wheezy. Basically
this is an updated and slightly improved version compared to the
Squeeze release.&lt;/p&gt;

&lt;p&gt;&lt;strong&gt;Software updates&lt;/strong&gt;&lt;/p&gt;
&lt;ul&gt;
  &lt;li&gt;Dropped ispell dictionaries from our default installation.&lt;/li&gt;
  &lt;li&gt;Dropped menu-xdg from the KDE desktop option, to drop the Debian
    submenu.  It was not included with Gnome, LXDE or Xfce, so this
    brings KDE in line with the others.&lt;/li&gt;
  &lt;li&gt;Dropped xdrawchem, xjig and xsok from our default installation as
    they don&#39;t have a desktop menu entry and thus won&#39;t show up in the
    menu now that menu-xdg was removed.&lt;/li&gt;
  &lt;li&gt;Removed the killer system to kill left behind processes on
    multi-user machines, as it was no longer able to understand when a
    X display was in use and killed the processes of the active users
    too.&lt;/li&gt;
  &lt;li&gt;Dropped the golearn (from goplay) package as the debtags in wheezy
    are too few to make the package useful.&lt;/li&gt;
&lt;/ul&gt;
&lt;p&gt;&lt;strong&gt;Other changes&lt;/strong&gt;&lt;/p&gt;
&lt;ul&gt;
  &lt;li&gt;Updated artwork matching http://wiki.debian.org/DebianArt/Themes/Joy
  &lt;li&gt;Multi-arch i386/amd64 USB stick ISO available.&lt;/li&gt;
  &lt;li&gt;Got rid of ispell/wordlist related debconf questions that showed
    up for some language options.&lt;/li&gt;
  &lt;li&gt;Switched to using http.debian.net as APT source by default.&lt;/li&gt;
  &lt;li&gt;Fixed proxy configuration on Main Server installations.&lt;/li&gt;
  &lt;li&gt;Changed LTSP setup to ask dpkg to use force-unsafe-io the same way
    d-i is doing it.&lt;/li&gt;
  &lt;li&gt;Made sure root and user passwords were not left behind in the
    debconf database after installation on Main Server installations.&lt;/li&gt;
  &lt;li&gt;Made Roaming Workstation dynamic setup more robust and added draft
    script setup-ad-client to hook a Roaming Workstation up to a
    Active Directory server instead of a Debian Edu Main Server.&lt;/li&gt;
  &lt;li&gt;Update system to install needed firmware packages during
    installation, to work properly in Wheezy.&lt;/li&gt;
  &lt;li&gt;Update system to handle hardware quirks (debian-edu-hwsetup).&lt;/li&gt;
  &lt;li&gt;Corrected PXE installation setup to properly pass selected desktop
    and keymap settings to PXE installation clients.&lt;/li&gt;
  &lt;li&gt;LTSP diskless workstations use sshfs by default, allowing them to
    work without adding them to DNS and NIS netgroups for NFS access.&lt;/li&gt;
&lt;/ul&gt;
&lt;p&gt;&lt;strong&gt;Known issues&lt;/strong&gt;&lt;/p&gt;
&lt;ul&gt;
  &lt;li&gt;No mass import of user account data in GOsa (ldif or csv)
    available yet (698840).&lt;/li&gt;
  &lt;li&gt;Artwork not enabled for all desktops.&lt;/li&gt;
&lt;/ul&gt;
&lt;p&gt;&lt;strong&gt;Where to get it&lt;/strong&gt;&lt;/p&gt;

&lt;p&gt;To download the multiarch netinstall CD release you can use&lt;/p&gt;
&lt;ul&gt;
  &lt;li&gt;&lt;a href=&quot;ftp://ftp.skolelinux.org/skolelinux-cd/wheezy/debian-edu-7.1+edu0~a3-CD.iso&quot;&gt;ftp://ftp.skolelinux.org/skolelinux-cd/wheezy/debian-edu-7.1+edu0~a3-CD.iso&lt;/a&gt;&lt;/li&gt;
  &lt;li&gt;&lt;a href=&quot;http://ftp.skolelinux.org/skolelinux-cd/wheezy/debian-edu-7.1+edu0~a3-CD.iso&quot;&gt;http://ftp.skolelinux.org/skolelinux-cd/wheezy/debian-edu-7.1+edu0~a3-CD.iso&lt;/a&gt;&lt;/li&gt;
  &lt;li&gt;rsync -avzP ftp.skolelinux.org::skolelinux-cd/wheezy/debian-edu-7.1+edu0~a3-CD.iso .&lt;/li&gt;
&lt;/ul&gt;

&lt;p&gt;The MD5SUM of this image is: 2b161a99d2a848c376d8d04e3854e30c
&lt;br&gt;The SHA1SUM of this image is: 498922e9c508c0a7ee9dbe1dfe5bf830d779c3c8&lt;/p&gt;

&lt;p&gt;To download the multiarch USB stick ISO release you can use&lt;/p&gt;
&lt;ul&gt;
  &lt;li&gt;&lt;a href=&quot;ftp://ftp.skolelinux.org/skolelinux-cd/wheezy/debian-edu-7.1+edu0~a3-USB.iso&quot;&gt;ftp://ftp.skolelinux.org/skolelinux-cd/wheezy/debian-edu-7.1+edu0~a3-USB.iso&lt;/a&gt;&lt;/li&gt;
  &lt;li&gt;&lt;a href=&quot;http://ftp.skolelinux.org/skolelinux-cd/wheezy/debian-edu-7.1+edu0~a3-USB.iso&quot;&gt;http://ftp.skolelinux.org/skolelinux-cd/wheezy/debian-edu-7.1+edu0~a3-USB.iso&lt;/a&gt;&lt;/li&gt;
  &lt;li&gt;rsync -avzP ftp.skolelinux.org::skolelinux-cd/wheezy/debian-edu-7.1+edu0~a3-USB.iso .&lt;/li&gt;
&lt;/ul&gt;

&lt;p&gt;The MD5SUM of this image is: 25e808e403a4c15dbef1d13c37d572ac
&lt;br&gt;The SHA1SUM of this image is: 15ecfc93eb6b4f453b7eb0bc04b6a279262d9721&lt;/p&gt;

&lt;p&gt;&lt;strong&gt;How to report bugs&lt;/strong&gt;&lt;/p&gt;

&lt;p&gt;&lt;a href=&quot;http://wiki.debian.org/DebianEdu/HowTo/ReportBugs&quot;&gt;http://wiki.debian.org/DebianEdu/HowTo/ReportBugs&lt;/a&gt;&lt;/p&gt;
</description>
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