[Bug 1373628] Re: console speed on HP Moonshot platforms may vary

[Launchpad Bug Tracker]

This bug was fixed in the package flash-kernel - 3.0~rc.4ubuntu53

---------------
flash-kernel (3.0~rc.4ubuntu53) utopic; urgency=medium

  * Merge in remaining trusty SRU changes:
    * Add U-Boot environment configuration support (LP: #1328597)
    * HP Moonshot Cartridges: Use $baudrate from u-boot environment as
      serial console speed (LP: #1373628)
    * HP Moonshot Cartridges: Enable hardware flow control as required by
      the HP moonshot chassis (LP: #1328280)
    * Enable U-Boot environment support for X-Gene platforms
    * Use filesystem agnostic "load" command instead of assuming ext4
    * Add support for HP ProLiant m800 cartridges (LP: #1326437)
    * Set required boot arguments for HP ProLiant m800 cartridges
      (LP: #1373659)
 -- dann frazier <dannf at ubuntu.com>   Mon, 29 Sep 2014 16:20:15 -0600

** Branch linked: lp:ubuntu/utopic-proposed/flash-kernel

** Changed in: flash-kernel (Ubuntu)
       Status: New => Fix Released

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https://bugs.launchpad.net/bugs/1373628

Title:
  console speed on HP Moonshot platforms may vary

Status in “flash-kernel” package in Ubuntu:
  Fix Released
Status in “flash-kernel” source package in Trusty:
  Fix Committed

Bug description:
  [Impact]
  The serial console on HP Moonshot cartridges is connected to the chassis manager which currently expects data at 9600 baud. We are therefore hardcoding a kernel commandline argument of console=ttyS0,9600n8r. However, it is possible for this baud rate to change in the future. Using the firmware-controlled ${baudrate} setting instead of hardcoding the rate will allow us to adjust to such changes dynamically. Of course, it isn't a full solution (getty needs to be dynamic as well), but is required.
  [Test Case]
  Use test firmware from HP to bump the firmware from 9600 to 115200 and verify that the console output is still visible over the VSP (virtual serial port).
  [Regression Risk]
  It's easy to test that working combinations still work today.

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