This bug was fixed in the package linux - 3.19.0-23.24
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linux (3.19.0-23.24) vivid; urgency=low
[ Luis Henriques ]
* Release Tracking Bug
- LP: #1472346
[ Chris J Arges ]
* SAUCE: Don't use atomic read in evlist.c
- LP: #1410673
linux (3.19.0-23.23) vivid;
works great, verified
** Tags removed: verification-needed-vivid
** Tags added: verification-done-vivid
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https://bugs.launchpad.net/bugs/1460674
Title:
[i915_bpo] Rebase driver to
This bug is awaiting verification that the kernel in -proposed solves
the problem. Please test the kernel and update this bug with the
results. If the problem is solved, change the tag 'verification-needed-
vivid' to 'verification-done-vivid'.
If verification is not done by 5 working days from
** Changed in: linux (Ubuntu Vivid)
Status: In Progress = Fix Committed
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https://bugs.launchpad.net/bugs/1460674
Title:
[i915_bpo] Rebase driver to 4.2~pre
To manage
Certification team has completed the testing for assigned platforms.
No regression observed.
For those bug that happen on stock kernel, please refer to bug 1464226
(180 rotation blackout) and bug 1465108 (Blink on VT switching)
** Tags removed: needs-cert-testing
** Tags added:
** Changed in: linux (Ubuntu Vivid)
Status: In Progress = Fix Committed
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Title:
[i915_bpo] Rebase driver to 4.2~pre
To manage
Thanks for the testing.
Moving back to in progress, since the code hasn't been merged yet.
** Changed in: linux (Ubuntu Vivid)
Status: Fix Committed = In Progress
** Changed in: linux (Ubuntu Vivid)
Assignee: Canonical Hardware Certification (canonical-hw-cert) = Timo
Aaltonen
Here is the call trace that I mentioned before, however, it can be reproduced
in stock kernel with graphic-stress test as well.
Therefore I think it's not a regression.
Please refer for the attachment for the dmesg output for both stock kernel and
this BPO kernel.
[ 1748.393952] WARNING: CPU: 0
On 201501-16341 Dell Vostro 3458, an I+N hybrid graphic system
The display will blink / distort after starting the graphics_stress_test,
system will become unusable due to this display issue.
Error message that related to i915 could be found in the dmesg output:
201501-16341 is now being re-tested with Vivid stock image + update, it
looks like the VT switch issue could be reproduced on Vivid.
And I can see the Call trace error as well (not one-by-one compared yet).
Thus I think it's broken in stock kernel already.
The dmesg output for testing on stock
** Changed in: linux (Ubuntu Vivid)
Status: Triaged = In Progress
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Title:
[i915_bpo] Rebase driver to 4.2~pre
To manage notifications
** Description changed:
Upstream i915 code has been feature-frozen for drm-next, and rebasing
i915_bpo to it is fairly simple. We need all the drm_atomic* changes to
date though, in order to avoid oopses loading the driver. Thankfully
- i915_bpo is the only driver that uses them, so there's
-20.20+bpo1
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Title:
[i915_bpo] Rebase driver to 4.2~pre
To manage notifications about this bug go to:
the kernel to be tested is built at
https://launchpad.net/~canonical-hwe-team/+archive/ubuntu/ppa
** Tags added: needs-cert-testing
** Changed in: linux (Ubuntu Vivid)
Assignee: Timo Aaltonen (tjaalton) = Canonical Hardware Certification
(canonical-hw-cert)
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