Better look at syslog: it contains dmesg, and more.

wiki/src/contribute/release_process/test.mdwn

@@ -558,7 +558,7 @@ language.
 * Check that Tails Greeter's "more options" screen displays properly
   on a display with 600 px height.
 * Check that all seems well during init (mostly that all services
-  start without errors), and that dmesg seems ok.
+  start without errors), and that `/var/log/syslog` seems OK.
 * MAT should be able to clean a PDF file, such as:
   <http://examples.itextpdf.com/results/part3/chapter12/pdf_metadata.pdf>
 * Browsing (by hostname) a FTP server on the Internet should be