Author: alexander
Date: 2007-05-12 06:05:39 -0600 (Sat, 12 May 2007)
New Revision: 1890
Modified:
trunk/doc/README
Log:
Documented a better solution for ACPI-related hibernation problem
Modified: trunk/doc/README
===================================================================
--- trunk/doc/README 2007-05-11 09:59:05 UTC (rev 1889)
+++ trunk/doc/README 2007-05-12 12:05:39 UTC (rev 1890)
@@ -272,9 +272,6 @@
I.e., the complete boot line may look as:
linux LANG=ru_RU.UTF-8 TZ=Asia/Yekaterinburg resume=/dev/hda2
- On some systems, hibernation refuses to work if ACPI is enabled. You
- can disable ACPI by adding "acpi=off" to the kernel arguments.
-
Alternatively, once the system is running, you can activate hibernation by
echoing the major and minor numbers of the partition to /sys/power/resume as
such:
@@ -304,6 +301,19 @@
(even read-only, because there is no true read-only mount on journaled
filesystems)!
+ On some systems, hibernation refuses to work due to a broken ACPI
+ implementation, with the following message in "dmesg | tail" output:
+
+ acpi_pm_prepare does not support 4
+
+ Possible solutions:
+
+ a) run the following command before hibernating the computer:
+
+ echo shutdown >/sys/power/disk
+
+ b) disable ACPI completely by adding "acpi=off" to the kernel arguments.
+
7) The computer will save its state to your swap partition and power down.
This CD will remain in the drive.
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