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Topic: Torsmo & dsl-3.4.6, Some good news and...

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Juanito

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Joined: Sep. 2005

Posted: Nov. 10 2007,10:21

I just loaded dsl-3.4.6 on my laptop - the good news is that the swapfile bug seems to have been cured in torsmo-0.18.

Strangely, on battery power the time remaining readout seems fine, but on ac power, the readout says "unknown 196%" whereas it should read "AC".

Note that on the unmodified torsmo-0.18, the readout is correct if I use John's ram swapfile thingy.

^thehatsrule^ Offline

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Posted: Nov. 10 2007,23:27

So you are saying that it says "AC" with the unmodified torsmo-0.18 only if you use the swapfile trick ?

The Battery entry is usually empty for me... so I didn't notice anything different (I use desktops only - just checked 0.17 as well but only on DSL 4.0).

How was the unmodified torsmo-0.18 compiled? All I did was configure at the defaults.

Perhaps the files in /proc/acpi/battery or apm etc. are different than when you used the unmodified one?

Juanito

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Joined: Sep. 2005

Posted: Nov. 11 2007,03:40

Quote

So you are saying that it says "AC" with the unmodified torsmo-0.18 only if you use the swapfile trick ?

- if I don't use the swapfile trick, the display doesn't appear at all...

Quote

How was the unmodified torsmo-0.18 compiled?

- I don't know, I was using the version that came with earlier versions of dsl-3.4.x

Quote

Perhaps the files in /proc/acpi/battery or apm etc. are different than when you used the unmodified one?

- no, still the same files.

^thehatsrule^ Offline

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Posted: Nov. 11 2007,03:54

Quote

- if I don't use the swapfile trick, the display doesn't appear at all...

Of course...

Quote

- I don't know, I was using the version that came with earlier versions of dsl-3.4.x

Would it be possible to test that one again (maybe copy the binary over)? I guess we can only ask andrewb (I think he compiled that one).

I just checked the battery state on DSL 3.2 and it appears to be blank as well... just tried 3.4.6 and it shows AC.
It probably needs the battery files to have an entry.

Was your unknown % readout on a fresh system boot with the AC adapter plugged in?

In the acpi part of the 0.18 source, it looks like its last test case checks for either unknown and outputs a number, or AC. I could add something to check if that number is less than or equal to 100, or get rid of it the unknown part entirely (looks like an addition in 0.18).

From these initial conclusions, perhaps the battery line should be removed if there would be a blank entry - but it isn't anything bad.

Juanito

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Posts: 1601
Joined: Sep. 2005

Posted: Nov. 11 2007,14:35

Quote

Would it be possible to test that one again (maybe copy the binary over)?

- I copied the torsmo executable over from 3.4.3 to replace the one in 3.4.6:

On a desktop it shows "Battery: AC"
On a laptop it shows "Battery: Unknown 196%" [after activating a ram swapfile]

Note that is booting with a fully charged laptop plugged into the mains.

When I unplugged the laptop and let it run down a little, the display on battery looked to make sense. When I plugged it back into the mains I got:

"Battery: charging 87%"
"Battery: "7m 14s" [a few seconds after the display above]
"Battery: Unknown 196%" [when fully charged again]

I loaded torsmo-0.17 and "Battery: Unknown 196%" changes to "AC" or "charging" after letting the battery run down and plugging it in again.

Note also, when charging:

Code Sample

$ cat /proc/acpi/battery/BAT0/state
present: yes
capacity state: ok
charging state: charging
present rate: 6340 mW
remaining capacity: 20280 mWh
present voltage: 12680 mV
Note also, when charging:

and when charged

Code Sample

present: yes
capacity state: ok
charging state: unknown
present rate: unknown
remaining capacity: 42000 mWh
present voltage: 12427 mV

But:

Code Sample

$ cat /proc/acpi/battery/BAT0/info
present: yes
design capacity: 42000 mWh
last full capacity: 21410 mWh
battery technology: rechargeable
design voltage: 11100 mV
design capacity warning: 4200 mWh
design capacity low: 1272 mWh
capacity granularity 1: 420 mWh
capacity granularity 2: 420 mWh
model number: DELL 0006T0
serial number: 404
battery type: LION
OEM info: Sanyo

I believe the design/brand new capacity of the battery is 42000 mWh but now, after 3 years wear, it only ever manages 21410 mWh and 21420 * 196% = 42000...

This would seem to indicate that torsmo-0.18 it trying to show the time left to charge but gets lost when the battery becomes fully charged?

Note that earlier versions of cpufreqd (which takes a variety of actions based on the % battery charge) used to show a similar problem which was fixed in later versions.

7 replies since Nov. 10 2007,10:21

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