Dell Inspiron 5150 - Suspend to RAM not working... still (part one)

[Dave Woyciesjes]

sktsee wrote:
> On Fri, 12 Feb 2010 14:30:24 -0500, Dave Woyciesjes wrote:
> 
>> Dave Woyciesjes wrote:
>>>      I've had this laptop, upgraded from 8.10 to 9.04, and now to 9.10.
>>> Suspend hasn't worked, oh, since 8.04. Finally getting 'round to fixing
>>> it. Right now, it goes into suspend (from the menu, keyboard combo
>>> doesn't work), but when I hit the power button to resume, I get:
>>>
>>> [  109.218040] pm-op() pci_pm_resume+0x0/0x90 returns -16 [ 
>>> 109.218044] PM: Device 0000:00:00.0 failed to resume: error -16
>>>
> 
> [snip]
> 
>> /etc/X11/xorg.conf
>> Add under the “Device” section:
>> Option “NvAGP” “1"
> 
> this is correct
> 
>> /etc/modprobe.d/blacklist
> 
> I believe this should be blacklist.conf in keeping with new naming 
> conventions.
> 
>> add
>> blacklist intel_agp
>> blacklist agpgart
> 
> You have the intel_agp and agpgart drivers blacklisted, but according to 
> the dmesg output in your other post they're still being loaded:
> 
> [    1.485011] Linux agpgart interface v0.103
> [    1.488551] agpgart-intel 0000:00:00.0: Intel 855GM Chipset
> [    1.570793] ohci1394 0000:02:04.1: PCI INT A -> GSI 16 (level, low) 
> -> IRQ 16
> [    1.604862] agpgart-intel 0000:00:00.0: AGP aperture is 128M @ 
> 0xe0000000
> 
> To confirm, type "lsmod |grep agp" in a terminal. If you see a line 
> similar to the following, then the drivers are still loaded.
> 
> $ lsmod |grep agp
> agpgart                34988  1 intel_agp,nvidia
> 
> Actually, you'll need to load agpgart in order for your nvidia card to 
> use agp (it uses agpgart to check for the presence of another backend 
> before loading), so I would un-blacklist it. It's the intel_agp driver 
> that want to prevent from loading. Unfortunately, simply blacklisting the 
> driver isn't sufficient in karmic. I'm not exactly sure why it keeps 
> loading even though it's blacklisted, but you can work around this by 
> moving intel_agp.ko out of /lib/modules/2.6.31-xx-generic/kernel/drivers/
> char/agp to, say, /root and then run "sudo depmod -a" followed by "sudo 
> update-initramfs -u".
> 
> as root:
> # mv /lib/modules/'uname -r'/kernel/drivers/char/agp/intel-agp.ko /root
> # depmod -a
> # update-initramfs -u
> 
> When you reboot, initrd won't load intel_agp because it isn't in the 
> initrd image anymore, and that leaves the nvidia driver to load its own 
> agp support. You can verify this by typing the previous lsmod comand. 
> Intel_agp should not be present.  In addition, type  "cat /proc/driver/
> nvidia/agp/status" and you should get output like this:
> Status: 	 Enabled
> Driver: 	 NVIDIA
> AGP Rate: 	 4x
> Fast Writes: 	 Disabled
> SBA: 		 Disabled
> 
> Of course, my machine is a desktop and not a laptop, so you may still 
> have more tweaking to do. However, switching to nvidia agp was the only 
> change I had to make in order to get suspend/hibernate working reliably. 
> YMMV.
> 

	Ooops, my fault for not clarifying.... What I typed was what some 
research has suggested to add, but I haven't done yet. That's how I 
confused you. Sorry 'bout that... But the info you provided is useful, 
thanks much...
	Once I _do_ try it out, I'll post the results...

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--- Dave Woyciesjes
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