I guess that's not necessary any more. I got an update today with Kernel
3.19.0-26 and it works now.
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Title:
No sound on ThinkPad docking
Daniel Saier, this bug report is being closed due to your last comment
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1443888/comments/21
regarding this being fixed with an update. For future reference you can
manage the status of your own bugs by clicking on the current status in
the yellow
Daniel Saier, the next step is to fully reverse commit bisect from
kernel 4.2-rc4 to 4.2-rc5 in order to identify the last bad commit,
followed immediately by the first good one. Once this commit has been
identified, then it may be reviewed as a candidate for backporting into
your release. Could
I tried 4.2-rc5 now, and it works!
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Title:
No sound on ThinkPad docking station
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Daniel Saier, how about 4.2-rc3?
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Title:
No sound on ThinkPad docking station
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Daniel Saier, could you please test the latest mainline kernel (4.2-rc4)
and advise to the results?
** Changed in: linux (Ubuntu)
Status: Fix Released = Incomplete
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I just tried to do that, but it doesn't boot and I have no idea how to
fix that.
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Title:
No sound on ThinkPad docking station
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Unfortunately, this still doesn't work. I have Kernel 3.19.0-23 now,
which should be newer than the one with the fix, right? The problem is
still the same, though.
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Fix has been released in Vivid kernel 3.19.0-18.18.
** Changed in: linux (Ubuntu)
Status: Fix Committed = Fix Released
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Title:
No sound
Fix is now in Vivid-proposed kernel 3.19.0-17.17.
** Changed in: linux (Ubuntu)
Status: Incomplete = Fix Committed
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Title:
No sound on
Had the same problem with a T440s...
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Title:
No sound on ThinkPad docking station
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This would not be Fix Committed as outlined in
https://wiki.ubuntu.com/Bugs/Status .
** Changed in: linux (Ubuntu)
Status: Fix Committed = Incomplete
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This might be fixed in the upstream 3.19.5 kernel by this commit:
commit 3b9416495eb97b1471fab75c6586d8074a9d238c
Author: Sebastian Wicki
Date: Mon Mar 23 17:23:11 2015 +0100
ALSA: hda - Add dock support for Thinkpad T450s (17aa:5036)
commit 80b311d3118842eb681397233faa0d588df13f92
** Tags removed: bios-outdated-1.12
** Tags added: latest-bios-1.12
** Changed in: linux (Ubuntu)
Status: Confirmed = Triaged
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Title:
No
Update to 1.12 is done. No changes to the sound.
Same issue.
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Title:
No sound on ThinkPad docking station
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Updating the BIOS doesn't change anything for me either.
I also tried the upstream kernel, still has the same problem.
** Tags added: kernel-bug-exists-upstream
** Changed in: linux (Ubuntu)
Status: Incomplete = Confirmed
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When I executed it for the other bug, it said:
JBET47WW (1.12 )
03/10/2015
Now it doesn't work anymore. Probably because of the new kernel. The
output is:
/dev/mem: No such file or directory
** Changed in: linux (Ubuntu)
Status: Incomplete = Confirmed
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Daniel Saier, could you please provide the output of the following terminal
command:
sudo dmidecode -s bios-version sudo dmidecode -s bios-release-date
** Changed in: linux (Ubuntu)
Status: Confirmed = Incomplete
** Tags added: kernel-bug-exists-upstream-4.0
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See also (same issue)
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1440329
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Title:
No sound on ThinkPad docking station
To manage
** Description changed:
I have a Thinkpad T450s. The sound works normally unless it is plugged
in to the docking station (a ThinkPad Ultra Dock). In that case the
- internal speakers get disabled correctly, but the output of the docking
- station does not work. Speakers which are plugged in
Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v4.0 kernel[0].
If this bug is fixed in the mainline kernel, please add the following
tag 'kernel-fixed-upstream'.
If the mainline kernel does not fix
There is a new BIOS Update available
http://support.lenovo.com/us/en/products/laptops-and-netbooks/thinkpad-t
-series-laptops/thinkpad-t450s
I will try this today.
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** Tags added: bios-outdated-1.12
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Title:
No sound on ThinkPad docking station
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