[Bug 1235231] Re: plymouth loses output to /dev/console (such as ci-info: messages)

Scott Moser smoser at ubuntu.com
Mon Oct 7 13:37:39 UTC 2013


** Description changed:

  During early boot, plymouth captures writes to /dev/console.  As I
  understand it, it is supposed to re-play that content later.  Whether or
  not it intends to is not the issue.  In our cloud-images (and in other
  cases) users may write data to /dev/console that needs to be seen on the
  other side (ie a serial logger or 'get-console-ouptput' api call).
  
  See the attached 'my-logger.conf' for an upstart job that simply writes
  data early in boot to /dev/console.  Sometimes data "lost" is available
  in /var/log/boot.log, but sometimes it doesn't even seem to make it
- there.
+ there.  bug 682831 has an attachment 'myhack-init' that does a similar
+ thing but starts outputting by replacing /sbin/init and then calling
+ /sbin/init itself.
  
  Related bugs:
-  * bug 682831:  lost console output early in boot 
+  * bug 682831:  lost console output early in boot
  
  == Original bug report ==
  On precise cloud images, I get a console output line like this:
  
  ci-info: eth0  : 1 192.168.122.204 255.255.255.0   52:54:00:7f:d8:ca^M
  
  On saucy cloud images, this is missing.

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https://bugs.launchpad.net/bugs/1235231

Title:
  plymouth loses output to /dev/console (such as ci-info: messages)

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