My problem may have been different; closing the lid was not a workaround
in my case. However, I was able to get sleep working with the following
changes:
Changing /etc/default/acpi-support as follows:
-- change to SAVE_VBE_STATE = false
-- change to POST_VIDEO = false
Creating /etc/hal/fdi/information/lenovo.fdi with the following
contents:
<?xml version="1.0" encoding="ISO-8859-1"?> <!-- -*- SGML -*- -->
<deviceinfo version="0.2">
<device>
<match key="system.hardware.vendor" string="LENOVO">
<merge key="power_management.quirk.s3_bios" type="bool">false</merge>
</match>
</device>
</deviceinfo>
This information was from the following links:
http://www.thinkwiki.org/wiki/Installing_Ubuntu_8.04_(Hardy_Heron)_on_a_ThinkPad_T61#Suspend_with_Nv140m
http://www.thinkwiki.org/wiki/Installing_Ubuntu_7.10_(Gutsy_Gibbon)_on_a_ThinkPad_T61#How_to_Suspend_with_nVidia_140m.2F570m
The second link also talks about fixing wireless after multiple
suspends, and changes to hibernation settings. I haven't tested any of
that. YMMV.
--
T61 Hangs on Sleep
https://bugs.launchpad.net/bugs/202413
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