*** This bug is a duplicate of bug 1637520 ***
https://bugs.launchpad.net/bugs/1637520
** This bug has been marked a duplicate of bug 1637520
Yakkety update to v4.8.5 stable release
--
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubunt
I built a test kernel with the proposed patch from upstream. The test kernel
can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1627108/upstream/
Can you test this kernel and see if it resolves this bug?
--
You received this bug notification because you are a member of Ubuntu
Bugs,
That's correct, that dump_buggy is without stress running.
--
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1627108
Title:
X1Carbon comes to a crawl during high CPU usage tasks
To manage notifications
>From Upstream:
"> Here is the dump before stress is started:
> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1627108/+attachment/4760437/+files/dump_nonbuggy
This one is ok.
The dump indicates Sched Debug Version: v0.11, 4.8.0-11-generic
#12~lp1627108Commit3d30544Reverted
so this is witho
** Attachment added: "dump_buggy"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1627108/+attachment/4760436/+files/dump_buggy
--
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1627108
Title:
I have attached two dumps. One with the buggy kernel and the other with
the kernel that does not show the lag.
** Attachment added: "dump_nonbuggy"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1627108/+attachment/4760437/+files/dump_nonbuggy
--
You received this bug notification beca
Update and request from upstream:
"I have looked at the dump and there is something very odd for
system.slice task group where the display manager is running.
system.slice->tg_load_avg is around 381697 but tg_load_avg is
normally equal to Sum of system.slice[cpu]->tg_load_avg_contrib
whereas Sum
I tested the kernel tip from your debs and the issue is very much alive.
Here is the requested dump: http://paste.ubuntu.com/23312351/
--
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1627108
Title:
X1
Upstream also requested testing of the following repo:
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git
I built a test kernel with this tree. It can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1627108/upstream/
Can you test this kernel and see if it exhibits the bug or n
The patch author requested that we provide a /proc/sched_debug dump
while the issue is happening. Can you collect that data?
--
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1627108
Title:
X1Carbon co
As notified on on IRC, that is a good kernel.
The issue is easy to reproduce on an X1 Carbon just run `stress -c 4`
and within a few seconds mouse starts to lag and everything becomes
slow.
** Description changed:
My X1Carbon becomes quite laggy, the cursor hangs for a few seconds and
then r
I built a Yakkety test kernel with a revert of commit
3d30544f02120b884bba2a9466c87dba980e3be5. The test kernel can be
downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1627108/
Can you test that kernel and report back if it has the bug or not?
Note with this kernel, you need to install b
The bisect reported this as the first bad commit:
commit 3d30544f02120b884bba2a9466c87dba980e3be5
Author: Peter Zijlstra
Date: Tue Jun 21 14:27:50 2016 +0200
sched/fair: Apply more PELT fixes
--
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscrib
I built the next test kernel, up to the following commit:
7dc603c9028ea5d4354e0e317e8481df99b06d7e
The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1627108/7dc603c9028ea5d4354e0e317e8481df99b06d7e
Can you test that kernel and report back if it has the bug or not? I
w
As reported on IRC, that's a bad kernel.
--
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1627108
Title:
X1Carbon comes to a crawl during high CPU usage tasks
To manage notifications about this bug go
I built the next test kernel, up to the following commit:
3d30544f02120b884bba2a9466c87dba980e3be5
The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1627108/3d30544f02120b884bba2a9466c87dba980e3be5
Can you test that kernel and report back if it has the bug or not? I
w
FTR, I tested #29 which works for Omer, but not for me, so bug 1626436
is not a duplicate.
--
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1627108
Title:
X1Carbon comes to a crawl during high CPU usag
I built the next test kernel, up to the following commit:
ea86cb4b7621e1298a37197005bf0abcc86348d4
The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1627108/ea86cb4b7621e1298a37197005bf0abcc86348d4
Can you test that kernel and report back if it has the bug or not? I
w
Ok, the one is comment 28 is bad, while the one in #29 is Good.
--
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1627108
Title:
X1Carbon comes to a crawl during high CPU usage tasks
To manage notifica
If that kernel is also bad, then the next one is already ready and can
be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1627108/3d89e5478bf550a50c99e93adf659369798263b0/
However, if it is good, I'll have to build the next kernel with a good
result.
--
You received this bug notificatio
I pointed you to the wrong kernel in comment #26. The URL should have
been:
http://kernel.ubuntu.com/~jsalisbury/lp1627108/55e16d30bd99510900caec913c90f53bc2b35cba/
Can you test that kernel?
--
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to U
Thanks, that's a bad kernel.
--
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1627108
Title:
X1Carbon comes to a crawl during high CPU usage tasks
To manage notifications about this bug go to:
https:/
I built the next test kernel, up to the following commit:
55e16d30bd99510900caec913c90f53bc2b35cba
The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1627108/766fd5f6cdaf1d558afba19850493b2603c9625d
Can you test that kernel and report back if it has the bug or not? I
w
That is a bad kernel.
--
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1627108
Title:
X1Carbon comes to a crawl during high CPU usage tasks
To manage notifications about this bug go to:
https://bugs.l
I built the next test kernel, up to the following commit:
766fd5f6cdaf1d558afba19850493b2603c9625d
The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1627108/766fd5f6cdaf1d558afba19850493b2603c9625d
Can you test that kernel and report back if it has the bug or not? I
w
I built the next test kernel, up to the following commit:
3ebfd81f7fb3e81a754e37283b7f38c62244641a
The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1627108/3ebfd81f7fb3e81a754e37283b7f38c62244641a
Can you test that kernel and report back if it has the bug or not? I
w
That's a good kernel build. Seems there are multiple builds in there, so
I tested 201610061038 which is newer.
--
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1627108
Title:
X1Carbon comes to a crawl
I built the next test kernel, up to the following commit:
c86ad14d305d2429c3da19462440bac50c183def
The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1627108
Can you test that kernel and report back if it has the bug or not? I
will build the next test kernel based on y
Hi! That is a bad kernel, i.e. it contains the regression.
--
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1627108
Title:
X1Carbon comes to a crawl during high CPU usage tasks
To manage notifications
I built the next test kernel, up to the following commit:
0f657262d5f99ad86b9a63fb5dcd29036c2ed916
The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1627108
Can you test that kernel and report back if it has the bug or not? I
will build the next test kernel based on y
To add the missing comment, I tried that last kernel last night and that
is a good one as well. I notified Joseph on IRC.
--
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1627108
Title:
X1Carbon comes
I filed bug 1626436 which is similar; I wanted to try
http://kernel.ubuntu.com/~jsalisbury/lp1627108 but that is empty?
--
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1627108
Title:
X1Carbon comes to
I built the next test kernel, up to the following commit:
5048c2af078d5976895d521262a8802ea791f3b0
The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1627108
Can you test that kernel and report back if it has the bug or not? I
will build the next test kernel based on y
Ok, that is a good kernel. My test is `stress -c 4` and it works fine
i.e. system performance does not degrade.
--
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1627108
Title:
X1Carbon comes to a crawl
I built the next test kernel, up to the following commit:
52770c37db2c0ee5585dae2de3d19c8453f1e8dc
The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1627108
Can you test that kernel and report back if it has the bug or not? I
will build the next test kernel based on y
Same results. This build is infected as well.
--
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1627108
Title:
X1Carbon comes to a crawl during high CPU usage tasks
To manage notifications about this b
I built the next test kernel, up to the following commit:
55392c4c06204c8149dc09cf474691f1cc3c
The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1627108
Can you test that kernel and report back if it has the bug or not? I
will build the next test kernel based on y
Tested, the latest kernel build that you provided is bad as well.
--
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1627108
Title:
X1Carbon comes to a crawl during high CPU usage tasks
To manage notifi
I built the next test kernel, up to the following commit:
f7816ad0f878dacd5f0120476f9b836ccf8699ea
The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1627108
Can you test that kernel and report back if it has the bug or not? I
will build the next test kernel based on y
Omer reports the first test kernel is bad on IRC.
--
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1627108
Title:
X1Carbon comes to a crawl during high CPU usage tasks
To manage notifications about th
I started a kernel bisect between v4.7 final and v4.8-rc1. The kernel
bisect will require testing of about 7-10 test kernels.
I built the first test kernel, up to the following commit:
1c88e19b0f6a8471ee50d5062721ba30b8fd4ba9
The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsali
I tried linux 4.8-rc1 and it does have the said regression.
--
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1627108
Title:
X1Carbon comes to a crawl during high CPU usage tasks
To manage notification
Can you give the v4.8-rc1 kernel a try? It can be downloaded from:
http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.8
We can perform a kernel bisect, once we know the last good kernel and
first bad one.
** Changed in: linux (Ubuntu Yakkety)
Assignee: (unassigned) => Joseph Salisbury (jsali
So I tested linux 4.8 final and the regression still exists. On another
note I also tested linux 4.7 and the issue does not exist there.
** Tags added: kernel-bug-exists-upstream
** Changed in: linux (Ubuntu Yakkety)
Status: Incomplete => Confirmed
--
You received this bug notification b
Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v4.8 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 th
Confirming, downgrading to 4.4 fixes the issue.
--
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1627108
Title:
X1Carbon comes to a crawl during high CPU usage tasks
To manage notifications about this
** Tags added: kernel-4.8
** Changed in: linux (Ubuntu)
Importance: Undecided => High
--
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1627108
Title:
X1Carbon comes to a crawl during high CPU usage
47 matches
Mail list logo