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Bug #6

closed
IC

channel test fails on a Samsung DDR3L 8G memory with IVB processor

Bug #6: channel test fails on a Samsung DDR3L 8G memory with IVB processor

Added by Iru Cai about 10 years ago. Updated over 9 years ago.

Status:
Closed
Priority:
Normal
Assignee:
-
Category:
-
Target version:
-
Start date:
11/20/2015
Due date:
% Done:

0%

Estimated time:
Affected versions:
Needs backport to:
Affected hardware:
Affected OS:

Description

I'm using coreboot with a lenovo T420 laptop. I build coreboot as follows:

  1. checkout to a commit
  2. apply these patches:
  1. build coreboot

I found the latest git code causes a channel test failure on Samsung 8G DDR3L M471B1G73DB0-YK0 with i7-3720QM(QS version) processor, it works fine if I do one of the following changes:

  1. use i5-2520M processor
  2. use a 1.5V DDR3 8G memory or a Samsung 4G DDR3L module M471B5173QH0-YK0

I did a git bisect and the first bad commit is 9f1fbb9a3002e8d74d53d7973bd1c7e3d4879238.

Files

Download all files
ehci.log (2.79 KB) ehci.log log from EHCI debug port Iru Cai, 11/20/2015 04:06 AM
ehci_normal.log (79.3 KB) ehci_normal.log EHCI log after reverse patching that commit and use the Samsung 8G DDR3L Iru Cai, 11/21/2015 02:47 AM
config (16.2 KB) config my coreboot config Iru Cai, 11/21/2015 02:47 AM
faillog.tar.xz (26.2 KB) faillog.tar.xz verbose log on channel test fail Iru Cai, 11/23/2015 04:11 AM
normallog.tar.xz (23.1 KB) normallog.tar.xz verbose log on successful boots after a reverse patching Iru Cai, 11/23/2015 04:11 AM
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