#12909 NORM Not Tri: red flashing power light after installing 13.2.5 on XO-4

Zarro Boogs per Child bugtracker at laptop.org
Tue Jul 21 01:10:50 EDT 2015

#12909: red flashing power light after installing 13.2.5 on XO-4
            Reporter:  jvonau        |          Owner:  Quozl
                Type:  defect        |         Status:  new
            Priority:  normal        |      Milestone:  Not Triaged
           Component:  ofw - open    |        Version:  not specified
  firmware                           |       Keywords:
          Resolution:                |       Blocking:
          Blocked By:                |  Action Needed:  never set
Deployments affected:                |
            Verified:  0             |

Comment (by Quozl):

 Thanks for the reply.

 Regarding which firmware version may work:
 * support for NiMH battery module was
 cl4-mmp3/commit/?id=aeff6adea26543463ba30ff10038632b5ae76705 removed] late
 * the change was released in EC firmware
 [http://wiki.laptop.org/go/EC_4.0_Firmware#Ver:_7_0.5.01 0.5.01],
 * the change was embedded in Open Firmware
 [http://wiki.laptop.org/go/OLPC_Firmware_q7b41 q7b41] for single-core
 builds (such as
 * the change was embedded in all versions of Open Firmware in the Q7C
 series for dual-core builds (such as
 [http://wiki.laptop.org/go/Release_notes/13.2.3 13.2.3] and
 [http://wiki.laptop.org/go/Release_notes/13.2.5 13.2.5]),
 * so there was no firmware available which is both compatible with dual-
 core builds and with NiMH battery module, sorry, so one is below:

 Remedial firmware instructions:
 * download [http://dev.laptop.org/~quozl/q7c05ec.rom q7c05ec.rom] to a USB
 * attach external power and LiFePO4 battery for the duration of
 * wait for green battery indicator,
 * insert the USB drive,
 * at the ok prompt, type:
 ok flash u:\q7c05ec.rom
 * after the restart, at the ok prompt, type:
 ok flash-ec rom:ecimage.bin
 * after the restart, check startup banner to see EC firmware is 0.4.12.
 * attach a tag to the unit to remind you that further firmware upgrades
 will be blocked,

 Regarding making a note; changes have been made to these Wiki pages:
 13.2.2] for Volunteer Support Impacts,
 * [http://wiki.laptop.org/go/EC_4.0_Firmware#Ver:_7_0.5.01 EC firmware for
 XO-4 laptops] for release 0.5.01.

Ticket URL: <http://dev.laptop.org/ticket/12909#comment:6>
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