[ltp] 2.6.15-rc5 T43 suspend to ram

[Jiang Qian]

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 didn't encounter this but you may want to unload usb related modules 
first before you suspend and reload them afterwards. Check out some 
hints from
http://thinkwiki.org/wiki/How_to_make_ACPI_work
Good luck.
Jiang
> 
> 
> Best regards,
> 
> Alastair
> 
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