<div dir="ltr"><div class="gmail_extra"><br><div class="gmail_quote">2013/9/2 walt <span dir="ltr">&lt;<a href="mailto:w41ter@gmail.com" target="_blank">w41ter@gmail.com</a>&gt;</span><br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">

On 09/02/2013 09:15 AM, <a href="mailto:meino.cramer@gmx.de">meino.cramer@gmx.de</a> wrote:<br>
&gt; The rootfs and $HOME of my embedded system is stored<br>
&gt; on a 16GB SD-card (about 5GB used, rest free). The FS<br>
&gt; is ext4.<br>
&gt;<br>
&gt; Since the system hangs for unknown reasons several times<br>
<br>
Does it hang at a predictable point, like during boot, or poweroff?<br>
<br>
I know almost nothing about SD cards (yet).  Do they develop bad<br>
blocks like other storage media?  I notice fsck.ext4 has a -c flag<br>
to check for bad blocks.<br>
<br>
</blockquote></div><br></div><div class="gmail_extra">Sorry if this is obvious, but did you try to boot using, for example, a live CD?  Gentoo&#39;s live CD comes with a handful set of tools for quite a good range of file systems, including ext4<br>

<br></div><div class="gmail_extra">Good luck<br>Francisco<br></div></div>