Bug#658778: pm-suspend does not enter suspend and hangs system on Asus U35JC

[Jonathan Nieder <jrnieder@gmail.com>]

reassign 656062 src:linux-2.6 3.1.8-2
reassign 658778 src:linux-2.6 3.2.2-1
merge 656062 658778
affects 656062 + pm-utils
quit

Hi,

David Banks wrote:

> On an Asus U35JC, using pm-suspend does not cause the laptop to enter a
> suspended state.  The system drops to the console with a blinking cursor, but
> that's all.  The system fans continue to spin, as if CPU activity were high, and
> all relevant LEDs remain as before.  Attempting to resume does nothing, and the
> system is totally hung.
>
> In order to get suspend to work I had to use the following script in
> /etc/pm/sleep.d, found at at <http://robbyx.net/blog/?p=190>:
>
>   #!/bin/sh
>
>   BUSES="0000:00:1a.0 0000:00:1d.0"
>
>   case "${1}" in
>       hibernate|suspend)
>           # Switch USB buses off
>           for bus in $BUSES; do
>               echo -n $bus | tee /sys/bus/pci/drivers/ehci_hcd/unbind
[...]
> The hardcoded $BUSES worked for my hardware.  I don't know if this is really a
> bug, or if it should be reported against this package or the kernel package, but
> maybe this information will help someone.  For the record, pm-hibernate had the
> same issue that it would not shut down the system, but when booting up again
> after hard poweroff it would resume from hibernation without any problem.

Thanks.  Let's call it a kernel bug, even though it's more likely a BIOS
bug.

What kernel, BIOS version, etc do you use?  Please attach output from
"reportbug --template linux-image-$(uname -r)".

Thanks,
Jonathan