15 Aug '07 - 152 W - + 6 - 4 Linux Power Management

I must admit, Linux Power Management is Fuckin' Pathetic.

On a Dell XPS M1210 Laptop with a 6 Cell battery, I get a shitty 15 mins of power backup compared to 2 hrs on Microsoft Windows XP.

And woo, On my IBM T43 running Microsoft Windows XP, I watched a full movie on battery, and it still survived.

The Linux running laptop had no sound enabled.

Yes, Yes Yes!!! As many would say

• I wouldn't have rolled out a kernel optimized for my machine
• I should have run a lightweight window manager like FVWM (not KDE)
• I should have not used binary only drivers
• And many more reasons...........

But hey, Microsoft Windows XP has that too:

• It was playing a full movie under VLC (2+ hrs)
• It used the laptop's in-built speakers
• It had the antivirus software and others running.

 Linux still is way behind for laptop usage     . Probably because we don’t have a free laptop for general public yet :(

आशीष शुक्ल (URL) - 15 August '07 - 19:13

While that is true to some extent, it isn’t 100% correct.

The current kernel’s core infrastructures are more focused to Enterprise Servers.
The closed drivers play a big role in draining out the battery (ipw3945, nVIDIA) but core subsystems also are no good. Take USB for example, it isn’t very Power Management capable. Drains out a lot of power.

And also the kernel alone is not at fault. The userspace place an equivalent role.
While many might say that KDE (Or GNOME) are bloated and shouldn’t be used for a laptop, it is the only bloat that works properly for the mass.

Ritesh Raj Sarraf (URL) - 16 August '07 - 01:10

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