Gentoo Archives: gentoo-user

From: Thomas Kahle <tom111@×××.de>
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] Power Drain during Suspend to Disk
Date: Fri, 08 Feb 2008 07:21:23
Message-Id: 47AC0327.6080109@gmx.de
In Reply to: Re: [gentoo-user] Power Drain during Suspend to Disk by Iain Buchanan
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4 >> Hi all
5 >> for some time now, maybe since I updated to Kernel 2.6.23, I experience
6 >> power drain during suspend to disk (yes, you read correctly DISK).
7 >> I'm using an IBM Thinkpad X30 and the problem is recent. I assume that
8 >> its some kernel option keeping the ethernet alive for wake on lan, or
9 >> something like that.
10 >> Has anyone experienced this, and/or knows kernel options that can be
11 >> responsible for that ?
12 >
13 > A laptop I assume?!
14
15 Yes, right.
16
17 > Are you sure you don't have the same drain when powering off? in my
18 > experience, WOL is always a bios setting - did you look there?
19 Yes I'm sure, I disconnect the power after everything shut down
20 properly. And, it is time dependent. 1 or 2 Percent per hour.
21
22 > What happens if you suspend to disk, then take the battery out for a few
23 > minutes or more - can you resume? (put it back in of course)
24 Yes it does come back. I have to see if there it is eating battery after
25 putting it back in. Probably not, I think just something is not turned
26 of when going to sleep...
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Replies

Subject Author
Re: [gentoo-user] Power Drain during Suspend to Disk Iain Buchanan <iaindb@××××××××××××.au>