laptop-mode disabled in kernel?

O. Sinclair o.sinclair at
Wed Jul 12 06:36:20 UTC 2006

Hi James,
thanks for the insight and no - I am not able to hack ext3 without
considerable learning curve. So what I will likely do is to go ext2 instead
since the XP extension actually see ext3 as ext2.

another newbie question (well I used unix in the early 90's, pre graphical
interface); is there any gain in having a separate boot partition contra /
and if so, how big should one make it?

cheers and thanx,

On 11/07/06, James Gray <james at> wrote:
> Hash: SHA1
> O. Sinclair wrote:
> > James,
> > you certainly gave me something to think about. Am planning to convert
> > an XP laptop to dualboot XP/Kubuntu with a mutual data-partition my
> > documents/home. And I had planned to do the data partition Ext3 and use
> > an EXT2IFS to get XP to read the partition instead of fiddling with
> > having Kubuntu mount NTFS rw correctly. And no, I do not want to make it
> > FAT32 thank you.
> I'm inclined to agree with you about the FAT32 idea.  I've never liked
> the idea particularly.  As for sharing your Linux partitions with
> Windows using native Linux file systems - you could always use ext2.
> The only difference between ext2 and ext3 is the latter is a journaling
> file system.  Unless you really need the journal, you don't have to have
> it; ext2 DOES allow your drives to go to sleep.
> Until a few more file system drivers are ported to win32 (like xfs,
> reiferfs, jfs, etc) your only alternatives in this situation are ext2 or
> FAT32.  Obviously FAT32 isn't an option and ext3 will eat your battery
> for breakfast.
> > But if that means that the laptops battery life gets seriously affected
> > (and it should if the disk never stops) then I have to think of another
> > way. Is there no way of disabling this and does the "laptop-mode" not
> > correct this problem?
> Not that I know of.  I guess you could hack the ext3 kernel code, but
> that's exceedingly ugly.
> - -- James
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