Tuesday Nov 25, 2008

Solaris Thinkpad T61 / T61p Suspend to RAM support

Currently I am running Solaris Nevada 102 build and suspend to RAM and resume works with Thinkpad T61p and T61 laptops. Only problem I faced is with OSS driver, sound stops working after resuming. With the recent "audiohd" driver integration this can be tackled.  If you have freshly installed Solaris Nevada 102 and above then you can skip the OSS removal step and go direct to enabling suspend to RAM support.

1) remove oss driver with "pkgrm oss"

2) touch /reconfigure and then reboot the machine. 

Now Solaris uses "audiohd" driver for sound instead of oss driver.

Enabling Suspend to RAM support:

           Add the below entry to /etc/power.conf

--------

S3-support              enable

---------

Run " /usr/sbin/pmconfig"  to activate it.

To test the Suspend to RAM support run the command " /usr/openwin/bin/sys-suspend" and then select "suspend" option. To resume press power button.

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pradhap

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