[lkml]   [2008]   [Apr]   [6]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
Patch in this message
SubjectRe: Suspend on Lenovo 3000 V200 - Linux 2.6.25rc8
On Sunday, 6 of April 2008, Nick Nobody wrote:
> Hello,


> I'm trying to get suspend working properly on my Lenovo 3000 V200. I'm
> using Linux 2.6.25rc8 and the latest xf86-video-intel. Before I was
> using kernel-, xorg-x11-drv-i810-2.1.1-8.fc8 and
> suspend worked perfectly.
> The laptop will go to sleep properly but it doesn't seem to enjoy
> waking up. When it starts up it will either display a black screen and
> remain frozen or I will end up at a virtual term login prompt but when
> I put in my username it never prompts me for my password.
> The only way to get suspend working reasonably well is to first
> hibernate and then suspend. After a hibernation suspend seems to work
> fine :S
> I'm a real noob when it comes to figuring out these sort of things, so
> any pointers on things I could try would be much appreciated.
> Here's what s2ram has to say about my hardware:
> Machine is unknown.
> This machine can be identified by:
> sys_vendor = "LENOVO"
> sys_product = "07642CU"
> sys_version = "LENOVO3000 V200"
> bios_version = "65ET32WW (1.06 )"
> Here's the output of dmidecode:

Can you try to run "echo mem > /sys/power/state" instead of s2ram and see
if the symptoms are the same?

Also, please try reverting commit 7c0ea45be4f114d85ee35caeead8e1660699c46f
(reproduced below for conveninence) and see if that helps.


commit 7c0ea45be4f114d85ee35caeead8e1660699c46f
Author: Zhao Yakui <>
Date: Tue Mar 11 16:56:47 2008 +0800

ACPI: Ignore _BQC object when registering backlight device

According to acpi spec , the objects of _BCL and _BCM are required if
integrated LCD is present and supports brightness level .The _BQC is
the optional object. So the _BQC object is ignored when the backlight device
is registered in ACPI video driver.

Signed-off-by: Zhao Yakui <>
Signed-off-by: Zhang Rui <>
Signed-off-by: Len Brown <>

diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c
index 12cce69..ace958c 100644
--- a/drivers/acpi/video.c
+++ b/drivers/acpi/video.c
@@ -713,7 +713,7 @@ static void acpi_video_device_find_cap(struct acpi_video_device *device)


- if (device->cap._BCL && device->cap._BCM && device->cap._BQC && max_level > 0){
+ if (device->cap._BCL && device->cap._BCM && max_level > 0) {
int result;
static int count = 0;
char *name;

 \ /
  Last update: 2008-04-06 22:25    [W:0.058 / U:0.864 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site