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Suspend to RAM on Thinkpad T43 with Ubuntu Hoary
- To: lug-l@xxxxxxx
- Subject: Suspend to RAM on Thinkpad T43 with Ubuntu Hoary
- From: Jacob Fugal <jpfugal@xxxxxxx>
- Date: Wed, 27 Jul 2005 22:07:09 -0400
Hello,
I've reinstalled Ubuntu Hoary twice on my Thinkpad T43 to try and get
suspend to RAM working. I followed instructions on
http://www.columbia.edu/~em36/ubuntuhoarythinkpadt42.html
which is almost identical to
http://aaltonen.us/archive/2005/03/02/ubuntu-linux-on-the-ibm-thinkpad-t42/
which both say the same thing.
1. Edit /etc/default/acpi-support and uncomment the ACPI_SLEEP=true line.
2. Edit the /boot/grub/menu.lst and add to the #kopt line to be
#kopt=root=/dev/hda1 resume=/dev/hda5 ro pci=noacpi acpi_sleep=s3_bios
Sure enough the laptop goes to sleep just fine. However when it wakes
up, the screen is either black, or has green rectangle characters all
over the screen, and the hard drive light is stuck on. I have no idea
how to debug something like this. I don't think any log file would be
helpful as it seems the hard drive does not come online after awakening.
* Is my filesystem corrupted on awakening?
* Is my xwindows display state not returning correcetly?
The part that bugs me the most is this was working before I tried Debian
on this laptop. (I gave up on Debian as the 2.6 kernel won't install
(the whole boot: linux26 thing), and won't boot because of a kernel
panic (tried to kill init).) I can't remember what I did to make it
work. Any tips how to debug or fix this?
Jacob Fugal
jpfugal@xxxxxxx