I have similar troubles with restart-after-hibernate -- what pm-* and
acpi seem to call "thaw" behavior.
I have a media unmount script in /etc/pm/sleep.d/00_* that uses the logger
shell command to
add /var/log/messages entries about the parameters passed to the script and
other details
found along the way. I see the following parameter strings:
"suspend" ..... following a suspend-to-ram request
"resume" ...... following a restart from suspend-to-ram
"hibernate" ... following a suspend-to-disk request
"thaw" .......... following a restart from suspend-to-disk
I have to essentially identical (hardware and software) laptops --
Lenovo Thinkpad X61-tablet 7764CTO. Both laptops "suspend" and "resume"
reliably. Both laptops appear to "hibernate" reliably. One laptop will
"thaw" correctly. The other laptop does not "thaw" under any
circumstances. At present, I do not understand why. Since my logger
entries do not appear, I can only presume that the failing system does a
cold-start instead of a restart-from-hibernate.
For what its worth, I added /etc/pm/config.d/unload_modules to remove
"iwlagn" and "usb_storage" during any suspend-to-* processing in
addition to my media unmount script.
** Attachment added: "media unmount script for use during suspend-to-*
processing"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/571422/+attachment/1783627/+files/00_fixSDcard.sh
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https://bugs.launchpad.net/bugs/571422
Title:
[LUCID] suspend/resume issue on Dell Inspiron 1464/1564/1764
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