mtd/html/faq jffs2.xml,1.5,1.6
Artem Bityutskiy
dedekind at infradead.org
Wed Sep 21 07:14:38 EDT 2005
Update of /home/cvs/mtd/html/faq
In directory phoenix.infradead.org:/tmp/cvs-serv7945
Modified Files:
jffs2.xml
Log Message:
Add one more entry to the FAQ - CRC error messages
Index: jffs2.xml
===================================================================
RCS file: /home/cvs/mtd/html/faq/jffs2.xml,v
retrieving revision 1.5
retrieving revision 1.6
diff -u -r1.5 -r1.6
--- jffs2.xml 15 Mar 2005 15:48:26 -0000 1.5
+++ jffs2.xml 21 Sep 2005 11:14:35 -0000 1.6
@@ -29,6 +29,16 @@
indicate that the garbage collector has nothing to do. This is more likely to be seen for filesystems which
have few files or no activity.</p>
+<code>Name CRC failed on node at 0x00b620c8: Read 0x640c8ca3, calculated 0x795111fe </code><br />
+or similar message about CRC failures. If you have ever done unclean reboots -
+this is harmless. This just means that the unclean reboot happened (1) during
+data write or write buffer sync or (2) while GC was working or (3) while
+the writebuffer contained some data and was not yet synced before the unclean
+reboot happened. In them first and the third cases, you just loose the very last
+data you have written, in the second case you loose nothing. The wrong nodes
+will eventually be recycled by Garbage Collector and the massages will go
+(but they may leave quite long).
+
<h3>I cannot loop mount a JFFS2 image</h3>
<p>JFFS2 images can not be loop mounted. The only way to manipulate them is by copying them into
a mtdram device and mounting the device with JFFS2<br />
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