*** This bug is a duplicate of bug 189260 ***
https://bugs.launchpad.net/bugs/189260
Hi there,
on lenovo W500 with lenny+backports I have the same bug
(screen blancks but u can recover it by hibernating or restarting system).
This happens by using
echo -n mem /sys/power/state
and by
*** This bug is a duplicate of bug 189260 ***
https://bugs.launchpad.net/bugs/189260
** This bug has been marked a duplicate of bug 189260
Backlight doesn't turn on after resume
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Gutsy Tribe 5: Backlight does not come back on after resuming from suspend
Here is my dmesg.
The bit mentioned on the wiki page doesn't seem to be there.
Everything about the resume works except for the backlight not turning
back on.
Sound, wireless etc are all fine once I've switched tty and back again.
** Attachment added: dmesg.txt
Same problem here on an R61 X3100 up to date Hardy system.
Neither if these 2 fixes works.
I can get the backlight to work using the terminal switch method though.
Perhaps some work around with xbacklight might be in order?
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Gutsy Tribe 5: Backlight does not come back on after resuming from
For those still experiencing this issue, care to attach your dmesg
output after a failed suspend/resume cycle as outlined in:
https://wiki.ubuntu.com/DebuggingKernelSuspend . Thanks.
** Changed in: linux (Ubuntu)
Status: Confirmed = Incomplete
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Gutsy Tribe 5: Backlight does not come
I'm experiencing same problem here on a Toshiba Tecra M2, but my screen
comes back with the login dialog if a close the lid and open it again.
uname -a
Linux alfonso-laptop 2.6.24-7-generic #1 SMP Thu Feb 7 01:29:58 UTC 2008 i686
GNU/Linux
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Gutsy Tribe 5: Backlight does not come back on
Setting to confirmed because this issue is definitely still present
post-alpha2.
** Changed in: linux (Ubuntu)
Status: Incomplete = Confirmed
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Gutsy Tribe 5: Backlight does not come back on after resuming from suspend
https://bugs.launchpad.net/bugs/134391
You received this bug
I reported similar symptoms in bug 189260. I have not tried the s3_bios
workaround yet.
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Gutsy Tribe 5: Backlight does not come back on after resuming from suspend
https://bugs.launchpad.net/bugs/134391
You received this bug notification because you are a member of Ubuntu
Bugs, which is the
** Tags removed: hardy-alpha2
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Gutsy Tribe 5: Backlight does not come back on after resuming from suspend
https://bugs.launchpad.net/bugs/134391
You received this bug notification because you are a member of Ubuntu
Bugs, which is the bug contact for Ubuntu.
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ubuntu-bugs mailing list
I tried Hardy alpha 2 with the same results. It seemed to suspend
alright, but resuming it resulted in a blank screen (but the system
responded to ctrl-alt-delete by restarting and ejecting the cd).
On the plus side, the ubuntu splash screen now works, wohoo!
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Gutsy Tribe 5: Backlight does
Hardy Heron Alpha2 was recently released. It contains an updated
version of the kernel. You can download and try the new Hardy Heron
Alpha2 release from http://cdimage.ubuntu.com/releases/hardy/alpha-2/ .
You should be able to then test the new kernel via the LiveCD. If you
can, please verify
Hi All,
Just a first few things . . . Phil, care to open a new bug report? It
looks like you have a different system than the original bug reporter.
We prefer to have bug reports target a specific issue on a specific set
of hardware. We can duplicate reports later on if necessary. Thanks!
I'm opened a new task against the actively developed kernel. However,
because of the workaround mentioned, I'm closing the report against
linux-source-2.6.22 as it does not meet the criteria for a stable
release update. You can learn more about the stable release update
process at
Thank you for taking the time to report this bug and helping to make
Ubuntu better. This bug did not have a package associated with it,
which is important for ensuring that it gets looked at by the proper
developers. You can learn more about finding the right package at
I'm also seeing this on Hardy with 64-bit kernel 2.6.24-2.4 on a
Thinkpad X61s.
Neither the acpi_sleep nor the POST_VIDEO suggestions work for me, but I
can get the backlight back by switching to another VT (e.g. with
Ctrl+Alt+F6) and then back.
** Also affects: linux (Ubuntu)
Importance:
With the latest updates, suspend now works for me, except:
1. The wireless network doesn't work (probably an iwl4965 related bug)
2. I had to change POST_VIDEO to false in /etc/default/acpi-support
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Gutsy Tribe 5: Backlight does not come back on after resuming from suspend
Resuming from suspend still results in a blank screen for me unless I
add the acpi_sleep line.
Elias, what did the POST_VIDEO change do? (why did you make that
change?)
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Gutsy Tribe 5: Backlight does not come back on after resuming from suspend
https://bugs.launchpad.net/bugs/134391
You
Without POST_VIDEO=false in acpi-support, the screen would briefly show
a blinking cursor and then go blank when resuming. I guess the
acpi_sleep trick is an alternative workaround, but I didn't get around
to try it, since POST_VIDEO worked for me.
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Gutsy Tribe 5: Backlight does not come back
Suspend doesn't work for me, even using the acpi_sleep workaround. I'm
on a Thinkpad t61 with the NVIDIA QUADRO NVS 140M (latest nvidia binary
blob drivers), so I guess the original submitter has the intel x3100
variant.
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Gutsy Tribe 5: Backlight does not come back on after resuming from
Yes, that is correct. I have the Intel graphics.
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Gutsy Tribe 5: Backlight does not come back on after resuming from suspend
https://bugs.launchpad.net/bugs/134391
You received this bug notification because you are a member of Ubuntu
Bugs, which is the bug contact for Ubuntu.
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ubuntu-bugs
And here's the solution to this problem: Edit /boot/grub/menu.lst,
adding acpi_sleep=s3_bios (no quotes) to the first kernel entry.
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Gutsy Tribe 5: Backlight does not come back on after resuming from suspend
https://bugs.launchpad.net/bugs/134391
You received this bug notification because you
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