[Expired for linux (Ubuntu) because there has been no activity for 60
days.]
** Changed in: linux (Ubuntu)
Status: Incomplete => Expired
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https://bugs.launchpad.net/bugs/1268669
Roland Dreier, as per http://support.lenovo.com/us/en/products/Laptops-
and-netbooks/ThinkPad-T-Series-laptops/ThinkPad-T440p?beta=false an
update to your computer's buggy and outdated BIOS is available (2.36).
If you update to this following
https://help.ubuntu.com/community/BIOSUpdate does it
I tried to install Ubuntu 14.04 and Ubuntu gnome 14.04.1 on my T440p with the
newest
bios update 2.25 - no change.
I can install ubuntu using nomodeset, but installing nvidia or
bumblebeedrivers doesn't work at all. The Computer doesn't recognise the
graphic card GT 730M.
Lenovo hasn't fixed
A can confirm this problem with latest bios 2.22 ... any help?
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https://bugs.launchpad.net/bugs/1268669
Title:
Lenovo T440p (Haswell/NVidia optimus gfx) flaky unless I blacklist
This is a known issue, investigated at https://github.com/Bumblebee-
Project/bbswitch/issues/78 under the title Memory/data corruption /
crash on Lenovo T440p (GT 730M).
abbradar suggests that Working workarounds are either downgrading bios
to 1.14 (solves the problem completely) or using
This issue appears to be an upstream bug, since you tested the latest
upstream kernel. Would it be possible for you to open an upstream bug
report[0]? That will allow the upstream Developers to examine the issue,
and may provide a quicker resolution to the bug.
Please follow the instructions on
Actually I was wrong about lspci working with the upstream kernel. It
looks like I got lucky once, but the next time I tried it with upstream
3.13-rc8 the system hung just like it does with the Ubuntu kernel.
So the upstream kernel behavior looks to be pretty much the same as the
Ubuntu kernel.
I tried this with the latest upstream kernel (3.13-rc8) plus the patch
https://bugs.freedesktop.org/attachment.cgi?id=91164 to Intel graphics
displayport handling (needed to make my monitor connected to my docking
station work). If I get rid of the blacklist nouveau with this
kernel, suspend is
Does this issue not happen with prior releases or kernel versions?
Also, would it be possible for you to test the latest upstream kernel?
Refer to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the
latest v3.13 kernel[0].
If this bug is fixed in the mainline kernel, please add the
