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[Branch,~linaro-validation/lava-dispatcher/trunk] Rev 554: update sdmux documentation with real issue found regarding ADB

Message ID 20130207190812.22136.64321.launchpad@ackee.canonical.com
State Accepted
Headers show

Commit Message

Andy Doan Feb. 7, 2013, 7:08 p.m. UTC 
------------------------------------------------------------
revno: 554
committer: Andy Doan <andy.doan@linaro.org>
branch nick: lava-dispatcher
timestamp: Thu 2013-02-07 13:06:58 -0600
message:
  update sdmux documentation with real issue found regarding ADB
modified:
  doc/sdmux.rst


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Patch

=== modified file 'doc/sdmux.rst'
--- doc/sdmux.rst	2013-01-04 19:26:51 +0000
+++ doc/sdmux.rst	2013-02-07 19:06:58 +0000
@@ -73,17 +73,10 @@ 
   power_on_cmd = /usr/local/bin/pdu_power.sh 1 1
   power_off_cmd = /usr/local/bin/pdu_power.sh 1 0
 
-About Kernel Versions
----------------------
-
-Testing of the sdmux code was done on Ubuntu Precise (12.04.1 LTS). As January
-2013, some newer kernels are demonstrating bugs when toggling the sdmux on/off
-from the host using the sdmux.sh script. Here's a list of what's currently
-known:
-
- * 3.2.0-31 - Works
- * 3.2.0-32 - Looks like it will work. Target boots, so its reading partition 1.
-   However, it can't mount the root partition. This likely implies that the host
-   is still supplying some amount of current to the USB port.
- * 3.2.0-34 - Not working at all. sdmux.sh can turn off the port, but not turn
-   it back on.
+About ADB
+---------
+
+An issue has been discovered but not yet resolved upstream with ADB. The
+way the ADB daemon runs on the host prevents the sdmux.sh script from
+properly managing the device. Details and the proposed fix can be found
+here: https://android-review.googlesource.com/#/c/50011/