*** This bug is a duplicate of bug 777212 ***
https://bugs.launchpad.net/bugs/777212
** This bug has been marked a duplicate of bug 777212
[Lenovo L420] System boots to garbled display
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Timo -- both those options allows the system to suspend
** Changed in: linux (Ubuntu Natty)
Status: Incomplete = Confirmed
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Title:
From bug 777212:
what if you add 'GRUB_GFXPAYLOAD_LINUX=text' to /etc/default/grub (run
update-grub to update the actual config) and reboot, does it change
anything?
Could you also try the latest mainline kernels from
http://kernel.ubuntu.com/~kernel-ppa/mainline/; (it was reported that
@Marc, debugging this is not going to be easy. Can I get access to this
machine somehow?
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Title:
[Lenovo L420] System unable to resume from
Using the steps from here:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/777212/ allows the
system to suspend normally.
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Title:
[Lenovo
Assigning Timo to see why forcing KMS seems to sort things out here on
the L420
** Changed in: linux (Ubuntu)
Assignee: Chris Van Hoof (vanhoof) = Timo Aaltonen (tjaalton)
** Changed in: linux (Ubuntu Natty)
Assignee: Colin King (colin-king) = Timo Aaltonen (tjaalton)
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** Changed in: linux (Ubuntu Natty)
Assignee: Marc Legris (maaarc) = Chris Van Hoof (vanhoof)
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Title:
[Lenovo L420] System unable to resume
** Changed in: linux (Ubuntu Natty)
Assignee: Chris Van Hoof (vanhoof) = Colin King (colin-king)
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Title:
[Lenovo L420] System unable to
Chris -- Updating to 1.07 does not fix any of the system errors for the
L420
** Changed in: linux (Ubuntu Natty)
Status: Incomplete = Confirmed
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@Seth -- removing all the tpm modules does not allow the system to
resume normally.
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Title:
[Lenovo L420] System unable to resume from suspend
Marc -- What BIOS revision is your L420 presently on, I'm curious to see
what changes may have been made in later releases
** Changed in: linux (Ubuntu Natty)
Assignee: Chris Van Hoof (vanhoof) = Marc Legris (maaarc)
** Changed in: linux (Ubuntu Natty)
Status: Confirmed = Incomplete
Chris -- Version is 8GET26WW (1.05)
** Changed in: linux (Ubuntu Natty)
Status: Incomplete = Confirmed
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Title:
[Lenovo L420] System
Marc -- Might be worth investigating an update to 1.07 as it seems like
the most substantial update so far:
http://download.lenovo.com/ibmdl/pub/pc/pccbbs/mobiles/8guj03uc.txt
** Changed in: linux (Ubuntu Natty)
Status: Confirmed = Incomplete
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** Attachment added: lsmod.txt
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/754712/+attachment/2159818/+files/lsmod.txt
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Title:
** Changed in: linux (Ubuntu Natty)
Assignee: Marc Legris (maaarc) = Chris Van Hoof (vanhoof)
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Title:
[Lenovo L420] System unable to resume
Does removing all the tpm modules before suspending help?
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Title:
[Lenovo L420] System unable to resume from suspend
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@Chris --output shows the following:
block
pnp
** Changed in: linux (Ubuntu Natty)
Status: Incomplete = Confirmed
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Title:
[Lenovo L420]
@Marc, thanks. Can you also provide the output of lsmod from this
machine?
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Title:
[Lenovo L420] System unable to resume from suspend
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@Helge, that's definitely a different problem. Please open a new bug if
you cannot find any existing bug matching your symptoms. apport-bug
should be fine for opening the new bug.
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Hi Marc -- Please see Seth's updates in Comment #21
Regards,
Chris
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Title:
[Lenovo L420] System unable to resume from suspend
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** Changed in: linux (Ubuntu Natty)
Status: New = Incomplete
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Title:
[Lenovo L420] System unable to resume from suspend
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I am sometimes having a similar symptom yet possibly different bug on my
ThinkPad X200 with Intel 4500GMA graphics.
Once in a while, when the system resumes from suspend, the screen will
be blank with only the cursor showing. It seems that the desktop is
still somewhat responsive; even though I
Hi,
cat /sys/power/pm_trace_dev_match
gives only:
block
This is all. I built my own kernel with acpi debuging on. I will attach dmesg
maybe you will see an interesting line.
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** Attachment added: dmesg with acpi and pm debugging on
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/754712/+attachment/2143271/+files/dmesg.tar.gz
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@HwRhymes: The bios certainly could be to blame, but resume hangs are
extremely hardware specific, so unless the commentor on the freedesktop
bug you linked to had an identical machine it's hard to say whether or
not it's the same problem.
@Marc: Something is getting stored in the resume trace
I have the same bug after a fresh install in a Lenovo v360.
when resuming after suspend, I can even hear the music of a video I was
watching, but I am not able to see anything.
on dmseg I find this:
2.322986] i2c-core: driver [adp5520] using legacy suspend method
[2.322988] i2c-core:
@Mariano: Yours sounds like a different bug then, as Marc reported that
his system is completely unresponsive after trying to resume. In your
case it sounds like the system resumes but something goes wrong with the
graphics. Please run 'ubuntu-bug linux' in a terminal to open a new bug
for your
Hello Guys,
I have the same problem with my Lenovo U160 Ideapad. Tried to unload all
video modules before suspend. Added a file in /etc/pm/config.d with the
following content:
SUSPEND_MODULES=video i2c_algo_bit drm drm_kms_helper i915 videodev
uvcvideo
But no success, same after resume screen
This might give hints on what to do about it:
https://bugs.freedesktop.org/show_bug.cgi?id=35462
Supposedly, it is related to a faulty BIOS.
** Bug watch added: freedesktop.org Bugzilla #35462
http://bugs.freedesktop.org/show_bug.cgi?id=35462
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@Seth
System does not respond to ssh when resuming from suspend. I did see the
magic number and hash matches in desg.
Keep in mind this system is also affected by: Bug #777212
** Attachment added: dmesg.txt
@Chris
Updating to 2.6.38-9 does not fix the resume issue.
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Title:
[Lenovo L420] System unable to resume from suspend
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@marc -- Can you verify with the latest natty -proposed kernel? There
have been a few fixes in this area, and given that this is using
standard sandybridge UMA graphics, it should suspend properly.
Cheers,
Chris
** Changed in: linux (Ubuntu Natty)
Assignee: Manoj Iyer (manjo) = Marc Legris
I am also experiencing this issue on an ASUS laptop, the U43JC. When I
suspend, the screen goes blank and the machine becomes unresponsive to
anything except a long-press on my power button.
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Same problem with ASUS UL30A
I can see and move the cursor, but the screen is blank. My laptop's
brightness keys, as well as capslock all work. I cannot ctrl+alt+f1 to
a console though.
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Same problem with Lenovo T410, expecially when I have a secondary
display connected.
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Title:
[Lenovo L420] System unable to resume from suspend
assigning to Manjo as vanhoof is away
** Changed in: linux (Ubuntu Natty)
Assignee: Chris Van Hoof (vanhoof) = Victor Tuson Palau (vtuson)
** Changed in: linux (Ubuntu Natty)
Assignee: Victor Tuson Palau (vtuson) = Manoj Iyer (manjo)
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Also make sure you have latest BIOS
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Title:
[Lenovo L420] System unable to resume from suspend
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milestoned for Natty updates.
~JFo
** Changed in: linux (Ubuntu Natty)
Milestone: None = natty-updates
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Title:
[Lenovo L420] System unable
Assigning back to Vanhoof
** Changed in: linux (Ubuntu Natty)
Assignee: Marc Legris (maaarc) = Chris Van Hoof (vanhoof)
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Title:
[Lenovo
@Marc:
Have you done any tests to see whether the machine is hung when this
happens or the screen just isn't coming on? For instance, have you tried
pinging the machine on the network when it is in this state?
If the machine is still alive, I'd suggest using ssh to log into the
machine while it
Marc - can you retest with beta2 plz
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Title:
[Lenovo L420] System unable to resume from suspend
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Updated with the latest packages, issue is still present.
** Changed in: linux (Ubuntu Natty)
Status: Incomplete = Confirmed
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Title:
This system uses an Intel graphics chip and thus uses KMS, so pm-utils
does not and should not apply any quirks. Moving to kernel.
** Package changed: pm-utils (Ubuntu Natty) = linux (Ubuntu Natty)
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Please confirm on the 2.6.38-8 kernel available in -updates
** Changed in: pm-utils (Ubuntu Natty)
Assignee: Chris Van Hoof (vanhoof) = Marc Legris (maaarc)
** Changed in: pm-utils (Ubuntu Natty)
Status: New = Incomplete
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Title:
[Lenovo L420] System unable to resume from suspend
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** Attachment added: lspci.txt
https://bugs.launchpad.net/ubuntu/+source/pm-utils/+bug/754712/+attachment/2000693/+files/lspci.txt
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Title:
** Attachment added: dmesg.txt
https://bugs.launchpad.net/ubuntu/+source/pm-utils/+bug/754712/+attachment/2000694/+files/dmesg.txt
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Title:
** Also affects: pm-utils (Ubuntu Natty)
Importance: Undecided
Status: New
** Changed in: pm-utils (Ubuntu Natty)
Assignee: (unassigned) = Chris Van Hoof (vanhoof)
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** Changed in: pm-utils (Ubuntu Natty)
Importance: Undecided = High
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Title:
[Lenovo L420] System unable to resume from suspend
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