link to patch submitted in June:
https://patchwork.kernel.org/patch/973182/
** Also affects: oem-priority/oneiric
Importance: Undecided
Status: New
** Summary changed:
- [lucid][maverick][i915] Lenovo U160 Intel i7 620UM blank screen
+ [i915] Lenovo U160 Intel i7 620UM blank screen
It appears this has been sorted out recently without the use of
lvds_use_ssc=0:
https://patchwork.kernel.org/patch/973142/
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Title:
It seems theres been a bit a bit more activity after the revert of
448f53a1ede54eb854d036abf . Would anyone mind testing the latest
3.0-rc6 build to confirm if this issue is still present (without using
lvds_use_ssc=0) ?
http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.0-rc6-oneiric/
Cheers,
It seems theres been a bit a bit more activity after the revert of
448f53a1ede54eb854d036abf . Would anyone mind testing the latest
3.0-rc6 build to confirm if this issue is still present (without using
lvds_use_ssc=0) ?
http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.0-rc6-oneiric/
Cheers,
** Changed in: oem-priority
Assignee: (unassigned) = Canonical Platform QA Team
(canonical-platform-qa)
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Title:
[lucid][maverick][i915]
#99 and #100 work for me, too, with the default kernel of Natty
(2.6.38-8-generic #42-Ubuntu). It solved my problem of the display
staying black with full backlight after closing and opening the lid
(no standby, etc.). Thanks!
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Any chance a fix will be included in an update someday?
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Title:
[lucid][maverick][i915] Lenovo U160 Intel i7 620UM blank screen
To manage
One more detail, I've found it cleaner and better to add the
lvds_use_ssc=0 option to the appropriate options line in the
appropriate /etc/modprobe.d file to get resume working reliably.
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FYI, I have a U160 and I've finally gotten it working using the
i915.lvds_use_ssc=0 undocumented kernel boot argument. This makes it
work for me under a number of different 2.6.39 kernels. Thanks to Chris
Wilson for adding this, here's hoping google leads others to this
option.
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same problem with my lenovo u160 2.6.38-9-generic-pae #43-Ubuntu
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Title:
[lucid][maverick][i915] Lenovo U160 Intel i7 620UM blank screen
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I just installed the 2.6.39-rc6 from kernel.org and guess what: Black
screen after Boot :(
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Title:
[lucid][maverick][i915] Lenovo U160 Intel i7
Ubuntu 11.04 Natty Narwhal has the 2.6.38 kernel, so it includes the patch I
mentioned in comment #93. This patch is also mentioned in comment 2 at
https://bugs.freedesktop.org/show_bug.cgi?id=32748
I'm not sure if Natty includes the later patch mentioned in comments 3 and 4 at
I just received my Lenovo IdeaPad U160 i5 and I installed Ubuntu 11.04 on it.
Me experience:
1. The grafik works out of the box with the intel driver
2. I have trouble changing the monitor settings via the Ubuntu Controll Center.
After changing the settings, the screen stays black. Even after
** Changed in: linux
Status: Unknown = Invalid
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[lucid][maverick][i915] Lenovo U160 Intel i7 620UM blank screen
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Ww. What a bug.
I'm joining the gang typing this on a U160 5400 we'd love to run Ubuntu
on.
Would it help any to have some Chinese from Lenovo itself participate?
I'm thinking of inviting them to see all this trouble and effort people
are taking. Vendors really should work closer with
** Changed in: linux
Importance: Unknown = Critical
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[lucid][maverick][i915] Lenovo U160 Intel i7 620UM blank screen
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** Changed in: linux
Status: Confirmed = Unknown
** Changed in: linux
Importance: Critical = Unknown
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Title:
[lucid][maverick][i915]
Kernel 2.6.38-rc1 contains the following workaround for this problem:
commit a76150302d6e7ebc43e1a1ddaee7fd51db8da3b3
Author: Chris Wilson
Date: Wed Jan 12 17:04:08 2011 +
drm/i915: Add a module option to override the use of SSC
In order to workaround the issue with LVDS not
Bad news, this fix had to be reverted - see
https://bugs.freedesktop.org/show_bug.cgi?id=32748
** Bug watch added: freedesktop.org Bugzilla #32748
http://bugs.freedesktop.org/show_bug.cgi?id=32748
** Changed in: linux (Ubuntu)
Status: Fix Committed = Confirmed
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I confirm that 2.6.37-rc8 works on my Lenovo U160 with an U5400.
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[lucid][maverick][i915] Lenovo U160 Intel i7 620UM blank screen
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The abovementioned patch has been included upstream in kernel
2.6.37-rc8, and also cc'd to the stable kernel series for review. From
the changelog:
commit 448f53a1ede54eb854d036abf54573281412d650
Author: Chris Wilson
Date: Tue Dec 14 20:06:20 2010 +
drm/i915/bios: Reverse order of
This bug has been fixed by Chris Wilson. You either need to follow
https://bugs.freedesktop.org/show_bug.cgi?id=31596 and compile yourself
a kernel from the drm-intel-fixes repo, or you just wait until the fix
is merged into the main tree.
** Bug watch added: freedesktop.org Bugzilla #31596
Latest drm-intel-fixes solves the problem for my i5 U160! Big hug to
Chris Wilson and happy holidays to all the hard-working übergeeks making
our lives better every day!
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** Bug watch added: Red Hat Bugzilla #596557
https://bugzilla.redhat.com/show_bug.cgi?id=596557
** Also affects: fedora via
https://bugzilla.redhat.com/show_bug.cgi?id=596557
Importance: Unknown
Status: Unknown
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Ok, i compiled a fixed Kernel and tried it.
The U160 is running like charme.
Thx to Chris Wilson for this Christmas present.
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@Christian: Thank you so much for this hint!
And Chris for the patch!!
A few minutes ago I finished compiling a patched kernel (standard Ubuntu 10.10
2.6.35.8 kernel .conf plus just this patch here) and guess what: WORKS!
Only needed to change the Driver section in /etc/X11/xorg.conf back from
I am experiencing this bug here on my U160 with an i3 U3400 CPU. Everything as
described here.
The bug occurs under 10.04 and 10.10, which I both tested.
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I have a U160 with a 8086:0046 chip and Xorg reports the display as EDID
vendor AUO, prod id 12380.
Tried running 2.6.37-rc5, which as far as I understand is up-to-date
with intel-drm. Problem persists.
If I boot without nomodeset the machine boots with the screen lit, but
black. Also, it does
Who can i donate money for this? :S
I was linux only for years but wanted this great little device. Now i
face the same problems as you, but i am not willing to use VESA or
something non accelerated... well, i thought, it will be fixed in some
months. :(
I have the i7 version of the u160, the
Does anyone have a workaround to make the vesa driver show the resolution
1366x768 ? I remember once there was a package called 915resolution
for ubuntu 6.0 which added widescreen resolutions for the intel chip,
but this package does not exist anymore.
You're probably talking about
** Tags added: kj-triage
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** Changed in: oem-priority
Status: New = Confirmed
** Changed in: oem-priority
Importance: Undecided = Medium
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https://bugs.launchpad.net/bugs/608907
You received this bug notification because you are a member of
I have the same problem on a Lenovo U160 core i3 and also confirm that the
patches which work for the X201 which has a similar problem does not work on
the U160.
I can boot lucid and maverick with the option i915.modeset=0 .
Does anyone have a workaround to make the vesa driver show the
A related bug:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/600453
See also
https://bugs.freedesktop.org/show_bug.cgi?id=29278
** Bug watch added: freedesktop.org Bugzilla #29278
http://bugs.freedesktop.org/show_bug.cgi?id=29278
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[lucid][maverick][i915] Lenovo U160 Intel i7
Hi,
I tried to make a startup without loading the vesafb without success.
I attached the dmesg.
Is there any other idea for blocking the vesafb?
cu
Sascha
** Attachment added: dmesg - try no vesafb.txt
Is there any other idea for blocking the vesafb?
Yes. I learned that parts of the kernel can be deactivated by feeding
incorrect parameters to non-existing modules :-)
See https://bugs.freedesktop.org/show_bug.cgi?id=29647 and the
attachment dmesg.sodoff.
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I have followed the bug-report 29647 at freedesktop.org and tried it
with the non.existing parameters.
You can see it inside the dmesg in the attachment of post #27.
[0.00] Command line: BOOT_IMAGE=/boot/vmlinuz-2.6.36-020636rc2-generic
root=UUID=7c27cd01-d23e-4fd2-afb1-445ef72f3d0e ro
Can someone post the output of lspci -vvnn ?
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Nevermind it is in the duplicate bug 610369...
http://launchpadlibrarian.net/52576714/Lspci.txt
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Hi, here is the lspci-vvnn with the new Mainline 2.6.36rc2.
** Attachment added: lspci.txt
https://bugs.launchpad.net/ubuntu/+bug/608907/+attachment/1513472/+files/lspci.txt
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You
... and also a new dmesg with drm.debug=0xe from Mainline 2.6.36rc2
** Attachment added: dmesg.txt
https://bugs.launchpad.net/ubuntu/+bug/608907/+attachment/1513474/+files/dmesg.txt
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You
Can you describe the problem in more detail by any chance? Is the screen
black for the entire boot process? Does the backlight come on with a
black screen or does the display completely turn off after the bios
screen?
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[lucid][maverick][i915] Lenovo U160 Intel i7 620UM blank screen
@Robert
The issue as with bug 554569 is that the screen is not being properly
cut on by the i915 driver. So the backlight is on..but no graphics are coming
to the screen at all.
We have seen this issue with other displays as well in the past
with the i915 driver. This may just
** Summary changed:
- [lucid][i915] Lenovo U160 Intel i7 620UM blank screen
+ [lucid][maverick][i915] Lenovo U160 Intel i7 620UM blank screen
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