This bug was fixed in the package linux - 4.15.0-29.31
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linux (4.15.0-29.31) bionic; urgency=medium
* linux: 4.15.0-29.31 -proposed tracker (LP: #1782173)
* [SRU Bionic][Cosmic] kernel panic in ipmi_ssif at msg_done_handler
(LP: #116)
- ipmi_ssif: Fix kernel panic
This bug was fixed in the package linux - 4.13.0-46.51
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linux (4.13.0-46.51) artful; urgency=medium
* linux: 4.13.0-46.51 -proposed tracker (LP: #1776333)
* register on binfmt_misc may overflow and crash the system (LP: #1775856)
- fs/binfmt_misc.c: do not allow offset
This bug was fixed in the package linux - 4.15.0-24.26
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linux (4.15.0-24.26) bionic; urgency=medium
* linux: 4.15.0-24.26 -proposed tracker (LP: #1776338)
* Bionic update: upstream stable patchset 2018-06-06 (LP: #1775483)
- drm: bridge: dw-hdmi: Fix overflow workaround
** Changed in: linux (Ubuntu)
Status: In Progress => Fix Committed
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https://bugs.launchpad.net/bugs/1773520
Title:
After update to 4.13-43 Intel Graphics are Laggy
** Tags removed: performing-bisect
** Tags added: bisect-done reverse-bisect-done
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https://bugs.launchpad.net/bugs/1773520
Title:
After update to 4.13-43 Intel Graphics
The same cause was referenced in these reports:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1773993
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1773581
Kernel 4.15.0-24 fixed the issue on Bionic and Xenial. The fix also
available in the kernel 4.18-rc1
Indeed, the issue has been fixed in kernel version 4.15.0-24.26. Great
job! :)
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https://bugs.launchpad.net/bugs/1773520
Title:
After update to 4.13-43 Intel Graphics are
Both tags changed as have already tested in posts #23 and #24
Regards
James
** Tags removed: verification-needed-artful verification-needed-bionic
** Tags added: verification-done-artful verification-done-bionic
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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-
bionic' to 'verification-done-bionic'. If the problem still exists,
change the tag
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-
artful' to 'verification-done-artful'. If the problem still exists,
change the tag
** Changed in: linux (Ubuntu Artful)
Status: In Progress => Fix Committed
** Changed in: linux (Ubuntu Bionic)
Status: In Progress => Fix Committed
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SRU request submitted for Artful:
https://lists.ubuntu.com/archives/kernel-team/2018-June/092906.html
Bionic SRU request:
https://lists.ubuntu.com/archives/kernel-team/2018-June/092908.html
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** No longer affects: linux (Ubuntu Cosmic)
** Description changed:
+ == SRU Justification ==
+ The bug reporter states that after update to Kernel 4.13-43 the intel
+ graphics seem to really lag - especially noticeable in apps which are
+ using vsync, which, at least on his system, locks to
Just to update, have tested the 4.15 kernel as well and that is also
working well and doesn't show the 40fps lag/slowdown issue
Regards
James
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Hi Joseph
Linux hp-green 4.13.0-45-generic #51~lp1773520 SMP Wed May 30 17:15:11
UTC 2018 x86_64 x86_64 x86_64 GNU/Linux
Just tried that one and it fixes the issue, I haven't had a chance to
test the second yet, but will try later tonight hopefully
Regards
James
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You received this bug
I built Artful and Bionic test kernels with a revert of commit dc911f5bd8aa.
The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1773520
Can you test this kernel and see if it resolves this bug?
Note about installing test kernels:
• If the test kernel is prior to
** Also affects: linux (Ubuntu Bionic)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Cosmic)
Importance: Medium
Status: Confirmed
** Also affects: linux (Ubuntu Artful)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu Bionic)
I've added kernel-fixed-upstream tag - though note that it's not the
head but the drm-tip branch which has the working kernel
Linux hp-green 4.17.0-994-generic #201805290201 SMP Tue May 29 02:03:37
UTC 2018 x86_64 x86_64 x86_64 GNU/Linux
** Changed in: linux (Ubuntu)
Status: Incomplete
Hi Joseph,
Kernel 4.17-rc7 still has the same issue, been digging though and have
found a possible cause
(Ignore the name of the bug...)
https://bugs.freedesktop.org/show_bug.cgi?id=103497
This came from the following post on a Manjaro forum
Also possible candidate for the patch:
https://cgit.freedesktop.org/drm-tip/commit/?id=d93fa1b47b8fcd149b5091f18385304f402a8e15
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Please disregard the first question. The bug description explains the
last good kernel and first bad one.
** Tags added: performing-bisect
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Did this issue start happening after an update/upgrade? Was there a
prior kernel version where you were not having this particular problem?
Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v4.17
The above is collected with the newer kernel which is showing the odd
behaviour
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https://bugs.launchpad.net/bugs/1773520
Title:
After update to 4.13-43 Intel Graphics are
apport information
** Tags added: apport-collected xenial
** Description changed:
After update to Kernel 4.13-43 the intel graphics seem to really lag -
especially noticeable in apps which are using vsync, which, at least on
my system, locks to 40fps unlike the previous kernel I have
** Package changed: ubuntu => linux (Ubuntu)
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https://bugs.launchpad.net/bugs/1773520
Title:
After update to 4.13-43 Intel Graphics are Laggy
Status in linux package in
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