I couldn't make the commit bisect work yet.
But I've realized one thing and I think it's an important one and maybe
a workaround for this issue: I booted up the laptop with no HDMI cable
connected to the HDMI output and I've tried to execute the xrandr
command and the HDMI output was there. So,
I've tried, but that I couldn't boot into that kernel. That option is
not available in the boot menu.
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Title:
HDMI output gone after completing
I thought that information was in the information reports i've already
uploaded before, but this is the version number again:
Linux 3.16.0-49-generic #65~14.04.1-Ubuntu SMP Wed Sep 9 10:03:23 UTC
2015 x86_64 x86_64 x86_64 GNU/Linux
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I'm not 100% sure, but i think it must be this one:
linux-image-3.16.0-30-generic
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Title:
HDMI output gone after completing ubuntu updates
To
Hi Cristopher:
1) If I go to "System Settings > Software & Updates > Ubuntu Software"
and I check the "Propietary drivers for devices (restricted)" option,
then, in the "Additional Drivers" tab, three options show up:
- Using X.Org X Server - AMD/ATI display driver wrapper from
No, i can't see any option in the BIOS to disable AMD card.
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Title:
HDMI output gone after completing ubuntu updates
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Yes, I tried that but it didn't work.
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HDMI output gone after completing ubuntu updates
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Hi again, Christopher,
I've just tested that the issue is still there in the lastest upstream
kernel version, so I've updated the bug report as requested. Thanks
again for your help.
** Tags added: kernel-bug-exists-upstream kernel-bug-exists-
upstream-4.3-rc1
** Changed in: linux (Ubuntu)
Hi Christopher,
Sorry, I didn't know how to post a bug here. I've posted a bug report
and suscribed you to it: https://bugs.launchpad.net/ubuntu/+source
/linux-lts-utopic/+bug/1496697
Thanks a lot for your help!.
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Public bug reported:
Hi,
I've Ubuntu 14.04 LTS installed on a Toshiba Satellite laptop (it has an
integrated Intel video card and an AMD Radeon video card). After
installation I was using an external monitor screen connected to the
laptop through the HDMI laptop's output. Everything worked fine
apport information
** Attachment added: "BootDmesg.txt"
https://bugs.launchpad.net/bugs/1496697/+attachment/4466764/+files/BootDmesg.txt
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apport information
** Attachment added: "Lspci.txt"
https://bugs.launchpad.net/bugs/1496697/+attachment/4466768/+files/Lspci.txt
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apport information
** Attachment added: "Lsusb.txt"
https://bugs.launchpad.net/bugs/1496697/+attachment/4466769/+files/Lsusb.txt
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apport information
** Attachment added: "IwConfig.txt"
https://bugs.launchpad.net/bugs/1496697/+attachment/4466767/+files/IwConfig.txt
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apport information
** Attachment added: "ProcCpuinfo.txt"
https://bugs.launchpad.net/bugs/1496697/+attachment/4466770/+files/ProcCpuinfo.txt
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apport information
** Attachment added: "PulseList.txt"
https://bugs.launchpad.net/bugs/1496697/+attachment/4466774/+files/PulseList.txt
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Hi Christopher,
I've just executed that command. Thanks for your help!.
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HDMI output gone after completing ubuntu updates
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apport information
** Attachment added: "ProcInterrupts.txt"
https://bugs.launchpad.net/bugs/1496697/+attachment/4466772/+files/ProcInterrupts.txt
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apport information
** Tags added: apport-collected
** Description changed:
Hi,
I've Ubuntu 14.04 LTS installed on a Toshiba Satellite laptop (it has an
integrated Intel video card and an AMD Radeon video card). After
installation I was using an external monitor screen connected to
apport information
** Attachment added: "ProcEnviron.txt"
https://bugs.launchpad.net/bugs/1496697/+attachment/4466771/+files/ProcEnviron.txt
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apport information
** Attachment added: "UdevDb.txt"
https://bugs.launchpad.net/bugs/1496697/+attachment/4466776/+files/UdevDb.txt
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apport information
** Attachment added: "RfKill.txt"
https://bugs.launchpad.net/bugs/1496697/+attachment/4466775/+files/RfKill.txt
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** Attachment added: "CRDA.txt"
https://bugs.launchpad.net/bugs/1496697/+attachment/4466765/+files/CRDA.txt
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Title:
HDMI
apport information
** Attachment added: "UdevLog.txt"
https://bugs.launchpad.net/bugs/1496697/+attachment/4466777/+files/UdevLog.txt
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apport information
** Attachment added: "ProcModules.txt"
https://bugs.launchpad.net/bugs/1496697/+attachment/4466773/+files/ProcModules.txt
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apport information
** Attachment added: "WifiSyslog.txt"
https://bugs.launchpad.net/bugs/1496697/+attachment/4466778/+files/WifiSyslog.txt
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apport information
** Attachment added: "CurrentDmesg.txt"
https://bugs.launchpad.net/bugs/1496697/+attachment/4466766/+files/CurrentDmesg.txt
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I have the same problem with Ubuntu 14.04 and a Toshiba Satellite
laptop. The HDMI output just disappeared from the xrandr command's
output after updating Ubuntu.
Here it is the xrandr output:
Screen 0: minimum 8 x 8, current 1366 x 768, maximum 32767 x 32767
eDP1 connected primary 1366x768+0+0
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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Title:
HDMI no longer available
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More related information (in case it could help):
uname -a
... 3.16.0-49-generic #65~14.04.1-Ubuntu SMP Wed Sep 9 10:03:23 UTC 2015 x86_64
x86_64 x86_64 GNU/Linux
lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description:Ubuntu 14.04.3 LTS
Release:14.04
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