Laptop power management support

[Santiago Erquicia]

On Thu, 2004-11-11 at 15:57 -0600, Santiago Erquicia wrote:
> On Thu, 2004-11-11 at 21:10 +0000, Paul Sladen wrote:
> > On Thu, 11 Nov 2004, Santiago Erquicia wrote:
> > > On Thu, 2004-11-11 at 20:46 +0000, Matthew Garrett wrote:
> > > > On Thu, 2004-11-11 at 14:24 -0600, Santiago Erquicia wrote:
> > > > 
> > > > > ERROR: Removing 'cmd64x': Device or resource busy
> > > > 
> > > > That's normal - IDE modules aren't removable in 2.6.9
> > > > 
> > > > > EXT3-fs: mounted filesystem with ordered data mode.
> > > > That sounds like it's behaving pretty much as it should do.
> > > I don't know if the problem is there.  Maybe there is something else
> > > going on but it scrolls to quickly for me to stop just after it comes
> > > back to life again.

> After all those ERROR messages, it prints out:
> 
> hda: xxxx sectors (40000 MB) w/1740KiB Cache, CHS=16383/255/63, UDMA(33)
>  /dev/ide/host0/bus0/target0/lun0: p1 p2 < p5 p6 p7 p8>
> 
> After printing this is that stalls for maybe 20 seconds.
> 
> Any idea?
> 

Continuing my debugging .... I booted with both the new and old kernels
and these are their output:

NEW

hda: XXXXXXXXXXX, ATA DISK drive
Using anticipatory io scheduler
ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
hdc: TOSHIBA DVD-ROM DC-R2412, ATAPI CD/DVD-ROM drive
ide1 at 0x170-0x177,0x376 on irq 15
hda: max request size: 128 KiB
hda: xxxx sectors (40000 MB) w/1740KiB Cache, CHS=16383/255/63, UDMA(33)
 /dev/ide/host0/bus0/target0/lun0: p1 p2 < p5 p6 p7 p8>

Here is where it hangs

ERROR: as explained before

EXT3-fs: INFO: recovery required on readonly filesystem
EXT3-fs: write access will be enabled during recovery
kjournald starting.  Commit interval 5 seconds
EXT3-fs: recovery complete
EXT3-fs: mounted filesystem with ordered data mode
 * version 2.86 booting

OLD

hda: XXXXXXXXXXX, ATA DISK drive
Using anticipatory io scheduler
ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
hda: max request size: 128 KiB
hda: xxxx sectors (40000 MB) w/1740KiB Cache, CHS=16383/255/63, UDMA(33)
 /dev/ide/host0/bus0/target0/lun0: p1 p2 < p5 p6 p7 p8>
hdc: TOSHIBA DVD-ROM DC-R2412, ATAPI CD/DVD-ROM drive
ide1 at 0x170-0x177,0x376 on irq 15
kjournald starting.  Commit interval 5 seconds
EXT3-fs: mounted filesystem with ordered data mode
 * version 2.86 booting

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