[ltp] 2.6.15-rc5 T43 suspend to ram

[obi]

On Tue, Dec 13, 2005 at 07:51:04PM +0000, Alastair McKinley wrote:
> Hi everyone,
> 
> I am trying to get 2.6.15-rc5 working and I'm having some problems with
> suspend to ram.
> 
> I am using the patch for 2.6.15-rc4 from here:
> 
> http://www.thinkwiki.org/wiki/Problems_with_SATA_and_Linux
> 
> It applies cleanly and the kernel complies and boots fine.
> However when I try to suspend to ram, the laptop wakes up again straight
> away.  Suspend to ram works fine with 2.6.14.2.
> 
> Here is the error:
> 
> Dec 13 19:45:04 localhost kernel: Stopping tasks:
> =============================================================================================================|Dec 13 19:45:04 localhost kernel: hci_usb 4-1:1.1: no suspend?
> Dec 13 19:45:04 localhost kernel: hci_usb 4-1:1.0: no suspend?
> Dec 13 19:45:04 localhost kernel: Could not suspend device 4-1: error
> -16
> Dec 13 19:45:04 localhost kernel: Some devices failed to suspend
> Dec 13 19:45:04 localhost kernel: Restarting tasks... done
> 
> 
> Has anyone else come across this?

I did, and for me was some usb devices that prevented to suspend. I added 
	modprobe -r uhci_hcd 
	modprobe -r ehci_hcd
to my sleep scriopt (and the equivalent modprobe upen resume) and had no
problem since.

cheers
graziano

> 
> 
> Best regards,
> 
> Alastair
> 
> -- 
> The linux-thinkpad mailing list home page is at:
> http://mailman.linux-thinkpad.org/mailman/listinfo/linux-thinkpad
> 

-- 
+-----------------------+--------------------------+
| Graziano Obertelli    | CS Dept. Rm 102          |
| graziano@cs.ucsb.edu  | University of California |
| (805) 893-5212        | Santa Barbara, CA 93106  |
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