Bug 42771 - Acer Aspire 1830T frequently loses synchronization with EC
Summary: Acer Aspire 1830T frequently loses synchronization with EC
Status: CLOSED INSUFFICIENT_DATA
Alias: None
Product: ACPI
Classification: Unclassified
Component: EC (show other bugs)
Hardware: All Linux
: P1 normal
Assignee: Lan Tianyu
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2012-02-14 16:13 UTC by Andi Kleen
Modified: 2013-04-22 03:26 UTC (History)
3 users (show)

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Kernel Version:
Subsystem:
Regression: No
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Description Andi Kleen 2012-02-14 16:13:39 UTC 
Manufacturer: Acer
 Product Name: Aspire 1830T
 Version: V1.20

After some problems and instrumenting the EC driver I found it frequently loses synchronization when talking to the EC. Fixed with
https://lkml.org/lkml/2012/2/6/193
http://lkml.indiana.edu/hypermail/linux/kernel/1202.0/02656.html
Comment 1 Andi Kleen 2012-08-30 19:57:40 UTC 
The code fix broke some other systems, so it needs a better patch.
The problem is still there in mainline
Comment 2 Aaron Lu 2013-02-28 02:39:17 UTC 
Hi Andi,

What's the status of this problem, is there any progress or plan? Thanks.
Comment 3 Lan Tianyu 2013-04-02 08:28:12 UTC 
HI Andi:
        Do you have suggestion to fix this bug?
Comment 4 Lan Tianyu 2013-04-22 03:26:14 UTC 
Since no response and no other related bugs reported, mark this insufficient_data. Please feel free reopen if there is more info.
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