Bug 42771

Summary:	Acer Aspire 1830T frequently loses synchronization with EC
Product:	ACPI	Reporter:	Andi Kleen (andi-bz)
Component:	EC	Assignee:	Lan Tianyu (tianyu.lan)
Status:	CLOSED INSUFFICIENT_DATA
Severity:	normal	CC:	aaron.lu, alan, tianyu.lan
Priority:	P1
Hardware:	All
OS:	Linux
Kernel Version:		Subsystem:
Regression:	No	Bisected commit-id:

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.