The corruption will happen when only one monitor is connected. However,
it appears that in order for the corruption to start happening, I must
have had the HDMI monitor connected previously.
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I think that I have found that this issue is related to using a 2nd
monitor.
Sequence 1 (I am not sure if this causes the display corruption), but
its related to sequence 2:
1. 2nd monitor is not detected when plugged into hdmi (its own issue)
2. I click the "gear" in the top right, then "Display
The problem persists with kernel linux-image-3.0.0-13-generic, with full
version of 3.0.0-13.21+kamal~fix~stuck~backlight2.
The problem can also sometimes be manifested by disconnecting the HDMI
secondary display. Sometimes the event does not trigger the resolution
change, so I open display proper
Public bug reported:
About 40% of the time after resuming my machine, my display shows a
corruption with a black/white flashing screen. The mouse cursor appears
normally. Switching to a vtty and then back to X fixes the issue 100% of
the time. Here is a video showing the issue:
http://www.youtube.
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https://bugs.launchpad.net/bugs/881779
Title:
Dell Studio 15 Display Corruption After Resume
To manage notifications about this bug go to:
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The supplied patch does resolve the issue for me when the screensaver
activates automatically.
The issue persists when running "xset s activate".
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Kamal,
I have confirmed all of your findings so far, including:
1. by disabling dpms (xset -dpms) the screensaver does not turn off the
backlight, and the screen does not get "stuck".
2. (1) does not resolve the issue when caused by running "xset s activate"
3. Your, 1st, method of passing the l
** Tags removed: needs-upstream-testing
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Title:
Display Hang With acpi_backlight=vendor
To manage notifications about this bug go to:
https://bug
> You should be able to run this sequence from a terminal window on your
> external monitor (or while logged in to the laptop
> from another machine) -- it will reflect and affect the laptop display
> brightness. When the laptop screen is stuck in its dark
> state after resume, does the 'brightne
$ uname -a
Linux ironhide 3.1.0-0301rc9-generic #201110050905 SMP Wed Oct 5 09:15:03 UTC
2011 x86_64 x86_64 x86_64 GNU/Linux
$ cat /proc/cmdline
BOOT_IMAGE=/vmlinuz-3.1.0-0301rc9-generic root=/dev/mapper/ironhide-root ro
quiet splash vt.handoff=7
$ xset s activate
Result: same as 3.1.0-999-gen
$ uname -a
Linux ironhide 3.1.0-999-generic #201110040905 SMP Tue Oct 4 09:10:44 UTC 2011
x86_64 x86_64 x86_64 GNU/Linux
$ cat /proc/cmdline
BOOT_IMAGE=/vmlinuz-3.1.0-999-generic root=/dev/mapper/ironhide-root ro quiet
splash vt.handoff=7
$ xset s activate
Result: without acpi_backlight=vendor
$ uname -a
Linux ironhide 3.1.0-999-generic #201110040905 SMP Tue Oct 4 09:10:44 UTC 2011
x86_64 x86_64 x86_64 GNU/Linux
$ cat /proc/cmdline
BOOT_IMAGE=/vmlinuz-3.1.0-999-generic root=/dev/mapper/ironhide-root ro quiet
splash acpi_backlight=vendor vt.handoff=7
$ xset s activate
Result: display
$ uname -a
Linux ironhide 3.1.0-0301rc9-generic #201110050905 SMP Wed Oct 5 09:15:03 UTC
2011 x86_64 x86_64 x86_64 GNU/Linux
$ cat /proc/cmdline
BOOT_IMAGE=/vmlinuz-3.1.0-0301rc9-generic root=/dev/mapper/ironhide-root ro
quiet splash acpi_backlight=vendor vt.handoff=7
$ xset s activate
Result:
I have done a bit more testing with the same kernel (while
acpi_backlight=vendor is enabled).
I can reliably reproduce the issue by running:
xset s activate
Before runnning that command the following worked without issue:
vbetool dpms off; sleep 2; vbetool dpms on
But after running xset s activa
Updating with some questions from Kamal Mostafa and my answers:
> In the report, please make a note of which backlight interfaces appear
> when you run "ls /sys/class/backlight" when you do *not* boot with
> acpi_backlight=vendor, and also when you *do*.
Without acpi_backlight=vendor:
* acpi_vide
Public bug reported:
I have been using Kamal Mostafa's kernels for my Dell Studio 15 for a
few releases. Now, in oneiric, the brightness can not be changed unless
I add acpi_backlight=vendor to the kernel command line. The brightness
adjustment works fine when I make this change.
However, when I
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Title:
Display Hang With acpi_backlight=vendor
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug
Using 2.6.38-11-generic #48+kamal~mjgbacklight5-Ubuntu, on a Studio
1558, the backlight keys work (I see the notification), but the
backlight levels are no longer changing.
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Yeah, I don't want to keep bugging you either, but 2.6.38-11 #48 kernel
from proposed is currently overriding the latest backlight fix kernel
(2.6.38-11 #47)
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Any news on when the #46 kernel will be built?
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Title:
Screen brightness control fails on Dell Studio 1558
To manage notifications about this bug
Here is a copy of a .desktop file that you can use and put in
~/.local/share/applications as a workaround, name the file whatever you
want, for me it is mailto.desktop. mailto, for me, is a script in
~/bin/mailto
[Desktop Entry]
Encoding=UTF-8
Name=mailto
Exec=mailto %u
Terminal=false
X-MultipleAr
David,
Thanks for the help. After doing that, I have the following results after
setting pulse input connnector to:
Analog Microphone -> 100 volume on alsa "Mic", 0 volume on "Internal Mic" (the
mic still pics up some sound at a low level though)
Internal Microphone -> 100 volume on alsa "Intern
David,
I have the following VREF options, none of them got the mic working:
* HIZ
* 50
* GND
* 80
* 100 (when I select this, it reverts to HIZ)
I do have two alsa inputs "Input Source" and "Input Source 1". The
working mic ("Internal Mic 1") does not work if I set that as the source
on "Input Sou
David,
That PPA does not have natty packages so I can't try it. Do you have any other
suggestions?
Thanks,
Joshua
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Title:
[Dell Studio 1558] Not
David,
I do have three mic inputs. One on the top of the monitor, one below the
touchpad and one 1/4" input. The only mic that I have ever confirmed
works is the one above the monitor.
Alsamixer shows two tunables, "Input Mixer" and "Input Mixer 1". Each of those
items have the following values
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Title:
Not Able to Select Correct Microphone Input
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Public bug reported:
Binary package hint: pulseaudio
Using alsamixer, I can select "Input Mic 1" on my Intel sound card
(snd_hda_intel) using alsamixer, but pulse does not see it. Pulse does
see "Analog Microphone" (selects alsa "Mic"), "Internal Microphone"
(selects alsa "Internal Mic") and "Ana
** Patch added: "add support for multiple dns search domains to
update-resolv-conf"
https://bugs.launchpad.net/bugs/714358/+attachment/1835038/+files/update-resolv-conf.diff
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https:/
Public bug reported:
Binary package hint: openvpn
The /etc/openvpn/update-resolv-conf script does not support multiple DNS
search domains. The attached patch fixes the issue.
ProblemType: Bug
DistroRelease: Ubuntu 10.10
Package: openvpn 2.1.0-3ubuntu1
ProcVersionSignature: Ubuntu 2.6.35-25.44+ka
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