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Old 08-08-2006, 01:35 AM   #1
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Registered: Apr 2004
Location: china
Posts: 2

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Unhappy [Help!]Laptop can not suspend to ram

My Laptop can not suspend to ram correctly.

1.I download kernel- from and install on my Laptop,built with ACPI,APM
and Suspend support.

2.I modified /boot/grub/menu.lst with "reseum=/dev/hda2" appened to kernel line

3.I restart computer and my laptop can suspend to disk.But Suspend to memory work incorrectly

I use this command to check!
$cat /sys/power/state
mem disk

According to the line,It means "suspend to memory" was supported

when I make my laptop suspend to memoy,the following things happened

1.when suspent to mem,I try wake it up,but the screen can not wake up
2.when I try to wake it up,it restart!

Help! Please ,any body!

Hardware List of my laptop
Brand Hasee A180S
Vendor Paradise Shenzhen ,China
km400 chipset
AMD 1800+ cpu
S3 IGP Graphic Driver
Old 08-11-2006, 01:26 AM   #2
Senior Member
Registered: Jul 2003
Location: Indiana
Distribution: Suse 6.0+, Mandrake 5.0-10.0, Redhat 6.0-9.0, Gentoo 1.2+, Gnoppix, Knoppix, Sabayon, Ubuntu 5.04+
Posts: 1,811

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If it doesnt resume from sleep, don't use sleep. Simple as that. It doesnt say "experimental" on the feature list for nothing!
Old 08-20-2006, 01:21 AM   #3
Registered: Oct 2005
Distribution: Slackware 11
Posts: 45

Rep: Reputation: 15
Try passing the acpi_sleep=s3_bios as a kernel parameter during boot-up. This fixed the Suspend to RAM problem in a laptop showing the same symptoms.
Old 08-20-2006, 01:29 AM   #4
Registered: Oct 2005
Location: Australia
Distribution: slackware 12.1
Posts: 753

Rep: Reputation: 32
if nothing works out for you, you might find this link useful:
How to suspend and hibernate a laptop under Linux


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