For #5's log, the fault happened in the following code snippet of
kernel/sched/cputime.c:
for_each_thread(tsk, t) {
ffcd3dc0: f9445760ldr x0, [x27,#2216]
ffcd3dc4: f8410c03ldr x3, [x0,#16]!
ffcd3dc8: f90037a3
** Changed in: linux (Ubuntu)
Status: In Progress = Fix Committed
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Title:
Please ship dm-service-time in multipath-modules
My latest report was that latest builds with patches are much more
stable but are also not a complete fix for the problem. It is still
there and occurs randomly. The error message is not changed. I have no
real indication what causes the read-only state. During the latest RO
state I noticed there
** Package changed: ubuntu = linux (Ubuntu)
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Title:
Some workloads experience more measurement variation with
*** This bug is a duplicate of bug 1283129 ***
https://bugs.launchpad.net/bugs/1283129
I am experiencing this issue every time I boot shortly after logging in
(~7 min). I'm on a physical intel machine, not a VM, running 14.04.2
LTS, kernel 3.13.0-53-generic
BUT I've also experienced this
You have been subscribed to a public bug:
== Comment: #0 - Peter W. Wong wpe...@us.ibm.com - 2015-04-15 21:30:31 ==
---Problem Description---
Many workloads experience wide measurement variation, more with
scaling_governor=performance than ondemand.
Contact Information = wpe...@us.ibm.com,
@JJ The current version of kvalo's tree seems to be under development at the
moment. The kernel compiles but the ath10k driver cannot be loaded.
The previous version - based on 4.1-rc7 kernel - works without any major
issues.
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Robert Schlabbach, did you test the patch to confirm it fixes the
problem?
** Changed in: linux (Ubuntu)
Status: Confirmed = Incomplete
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Sure, you may take look at the file attached.
** Attachment added: dmesg.txt
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1454160/+attachment/4422947/+files/dmesg.txt
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** Changed in: kernel-sru-workflow/package-testing
Status: Confirmed = Fix Released
** Changed in: kernel-sru-workflow/verification-testing
Status: In Progress = Fix Released
** Tags added: qa-testing-passed
** Changed in: kernel-sru-workflow/regression-testing
Status:
** Changed in: linux-ec2 (Ubuntu)
Status: Fix Released = Confirmed
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https://bugs.launchpad.net/bugs/889012
Title:
CPU time incorrect in 10.04
Status in
The patch is in linux-next.
https://git.kernel.org/cgit/linux/kernel/git/next/linux-
next.git/commit/drivers/platform/x86/ideapad-
laptop.c?id=4fa9dabcffc8e16601307d3d56b58c68d9716ba4
** Changed in: linux-lts-utopic (Ubuntu)
Assignee: (unassigned) = Pilot6 (hanipouspilot)
** Changed in:
BTW, about the sata read timeout issue, I have run fio to verify sata disk
read/randread/write/randwrite, and looks
it works fine
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Michael Greene, it will help immensely if you filed a new report via a terminal:
ubuntu-bug linux
Please feel free to subscribe me to it.
** Summary changed:
- Display is heavily distorted after kernel upgrades
+ 8086:0152 [Dell OptiPlex 9010] Display is heavily distorted after kernel
upgrades
Étienne BERSAC, the latest mainline kernel is 4.1.1 (not 4.1-rc2).
** Changed in: linux (Ubuntu)
Status: Confirmed = Incomplete
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@arty
You also need to look at blacklists in /etc/modprobe.d. There was a bug
report where ath3k had been blacklisted by something and BT firmware did
not load.
Does
lsmod | grep ath3k
show anything?
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Hi guys,
Ive changed the status to fix released by mistake. Can you please revert
it back to confirmed ?
** Changed in: linux-ec2 (Ubuntu)
Status: Confirmed = Fix Released
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Thomas Andersen, could you please test the latest kernel 4.1.1 and
advise to the results?
** Changed in: linux (Ubuntu)
Status: Confirmed = Incomplete
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Hardware Certification have begun testing this -proposed kernel.
** Changed in: kernel-sru-workflow/certification-testing
Status: Confirmed = In Progress
** Changed in: kernel-sru-workflow/certification-testing
Assignee: Canonical Hardware Certification (canonical-hw-cert) = Po-Hsu
Samuel Bushi, the next step is to fully reverse commit bisect from
kernel 3.13 to 4.1 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 you
** Tags added: latest-bios
** Changed in: linux (Ubuntu)
Status: Confirmed = Incomplete
** Summary changed:
- MacBook Pro Suspend Issues
+ [MacBookPro11,1] Suspend doesn't work most of the time
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Output of 'cat /proc/acpi/wakeup wakeup' attached.
** Attachment added: wakeup
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1454160/+attachment/4422948/+files/wakeup
** Changed in: linux (Ubuntu)
Status: Incomplete = Confirmed
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Ballooning works. Hot Add has issues.
The original issue as reported has been resolved.
Initially, memory is successfully hot added to the VM. As demand
continues to increase,
no additional memory is hot added. Eventually a hung task message is
logged in syslog.
The call trace shows
This bug affects me too! Same behavior. You should consider that this is a DATA
LOSS bug, just because every time the pc freezes I lost all my work not yet
saved. So the importance should be set to high. By the way a bug that causes a
system freeze can't be considered low importance just
** Description changed:
This bug is for tracking the 3.13.0-57.95~precise1 upload package. This
bug will contain status and testing results related to that upload.
For an explanation of the tasks and the associated workflow see:
https://wiki.ubuntu.com/Kernel/kernel-sru-workflow
Hi Kamal,
I've sent a request to the 3.19 stable upstream maintainer, Kamal
Mostafa, and requested the inclusion of these two patches in the
upstream kernel.
I've also sent an SRU request for inclusion in Vivid.
Thanks!
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The last question was for both 3.16 and 3.19.
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Title:
Some workloads experience more measurement variation with
You have been subscribed to a public bug:
Problem Description
=
perf trace sleep 1 command is not giving any output
---uname output---
Linux alp15 3.19.0-20-generic #20~14.04.1-Ubuntu SMP Sat May 30 00:14:50 UTC
2015 ppc64le ppc64le ppc64le GNU/Linux
Machine Type = P8
Hi,
Is 78eaa10f027cf69f9bd409e64eaff902172b2327 alone sufficient to solve this
issue, or are any other patches required? Thanks,
--chris
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Curiously, bug probably affects only car bluetooth devices.
My HarmanKardon BT Headset (with telephony) and my Garmin CAR GPS (with
telephony via BT) pairing fine with Aquaris 4.5...
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Ok, I'm checking it in.
It triggers today too after less than 15min. We have summer heat. It's 30°C
here near the Mac.
Thank you very much for your attention ! :)
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** Package changed: ubuntu = linux (Ubuntu)
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Title:
perf trace sleep 1 command is not giving any output
Status in linux package in
** Also affects: linux (Ubuntu Vivid)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Utopic)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu)
Status: New = Confirmed
** Changed in: linux (Ubuntu Utopic)
Status: New = In Progress
Public bug reported:
I have a Lenovo Y50-70 with Intel Wifi 3160
I can associate and authenticate with my wifi router but I have been
unable to send/receive data using 802.11n 2.4Ghz on Ubuntu 14.04.2.
Trying to ping the router IP address just times out.
I guessed this might be fixed in the
This bug is missing log files that will aid in diagnosing the problem.
From a terminal window please run:
apport-collect 1470647
and then change the status of the bug to 'Confirmed'.
If, due to the nature of the issue you have encountered, you are unable
to run this command, please add a
Promote-to-proposed is Fix Released, but some packages for this update
aren't published in Launchpad, on -proposed pocket:
linux 4.0.0-4.6
** Changed in: kernel-development-workflow/promote-to-proposed
Status: New = Incomplete
** Description changed:
This bug is for tracking the
Hmm, scratch that - the failure reappears again even with this feature
disabled in bios. But apparently it only happens with usb3 hard drives.
I'm completely puzzled.
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Thanks. From the fs log (fs/process_dump.12751):
16:17:43 open(/dev/sdb, O_RDONLY|O_SYNC) = 4
16:17:43 lseek(4, 0, SEEK_SET) = 0
16:17:43 read(4,
\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0..., 512) =
512
16:17:43 read(4, LABELONE\1\0\0\0\0\0\0\0]V\332\353
** Changed in: grub2 (Ubuntu)
Status: New = Triaged
** Changed in: linux (Ubuntu)
Status: Incomplete = Invalid
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Title:
Steve, here is the output with the -t flags:
ubuntu@pullman-01:~$ sudo strace -t -o process_dump -ff /usr/sbin/grub-probe
--device /dev/sda1 --target=fs
sudo: unable to resolve host pullman-01
ext2
ubuntu@pullman-01:~$ sudo strace -t -o process_dump -ff /usr/sbin/grub-probe
--device /dev/sda1
** Branch linked: lp:~ubuntu-branches/ubuntu/vivid/wireless-regdb/vivid-
proposed
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https://bugs.launchpad.net/bugs/1284093
Title:
Please update regulations to
Error message that happens when this bug occurs:
[154272.293488] sd 2:0:0:0: [storvsc] Sense Key : Unit Attention [current]
[154272.293508] sd 2:0:0:0: [storvsc] Add. Sense: Changed operating definition
[154272.293665] sd 2:0:0:0: Warning! Received an indication that the operating
parameters on
@Frederik Bosch Can you post what kernel version you are currently
using?
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Title:
[Hyper-V] Ubuntu 14.04.2 LTS Generation 2 SCSI
Hello Nate, or anyone else affected,
Accepted wireless-regdb into vivid-proposed. The package will build now
and be available at https://launchpad.net/ubuntu/+source/wireless-
regdb/2014.11.18-1ubuntu1~ubuntu15.04.1 in a few hours, and then in the
-proposed repository.
Please help us by testing
** Package changed: ubuntu = linux (Ubuntu)
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Title:
[FEAT Ubuntu 15.10]: EPOW, DPO support for PowerNV platform
Status in linux
You have been subscribed to a public bug:
This feature adds support for FSP EPOW (Early Power Off Warning) and DPO
(Delayed Power Off) events for PowerNV platform. Small description of these
events follows as below:
On FSP based POWER systems EPOW events are generated to notify about
Hardware Certification have begun testing this -proposed kernel.
** Changed in: kernel-sru-workflow/certification-testing
Status: Confirmed = In Progress
** Changed in: kernel-sru-workflow/certification-testing
Assignee: Canonical Hardware Certification (canonical-hw-cert) = Po-Hsu
Solution is :
sudo touch /etc/pm/sleep.d/wakenet.sh
sudo chmod +x /etc/pm/sleep.d/wakenet.sh
sudo gedit /etc/pm/sleep.d/wakenet.sh
Insert the following lines:
#!/bin/bash
case $1 in
thaw|resume)
nmcli nm sleep false
pkill -f wpa_supplicant
;;
*)
;;
esac
exit $?
And then save and exit.
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[Expired for linux (Ubuntu) because there has been no activity for 60
days.]
** Changed in: linux (Ubuntu)
Status: Incomplete = Expired
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[Expired for linux (Ubuntu) because there has been no activity for 60
days.]
** Changed in: linux (Ubuntu)
Status: Incomplete = Expired
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in dmesg:
[Thu Jul 2 06:30:28 2015] [ cut here ]
[Thu Jul 2 06:30:28 2015] WARNING: CPU: 1 PID: 1939 at
/build/buildd/linux-lts-utopic-3.16.0/kernel/watchdog.c:265
watchdog_overflow_callback+0x9c/0xd0()
[Thu Jul 2 06:30:28 2015] Watchdog detected hard LOCKUP on cpu 1
If you don't have time to read what I wrote, or if something I wrote is
not clear, just say so and I will understand. Let's not get caught in
the endless Confirmed/Incomplete circle.
I'll summarise what I said before, to make it easier to digest:
You asked me to bisect between 3.13.0.18.38 and
Public bug reported:
I am using qemu, kvm, pci-stub and sometimes got this message in dmesg.
The system looks like the work, no reboots and crashes.
But how bad is it?
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: linux-image-3.16.0-41-generic 3.16.0-41.57~14.04.1
ProcVersionSignature:
** Changed in: linux (Ubuntu)
Status: Triaged = Incomplete
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https://bugs.launchpad.net/bugs/1469859
Title:
HP ProLiant m400: NULL pointer dereference PC is at
@Joseph, I swear I thought I responded to this bug, sorry for the delay.
We have finished testing the Trusty kernel you posted at
http://kernel.ubuntu.com/~jsalisbury/lp1445195/trusty, and confirmed
performance is better.
Thanks!
Steve
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** Changed in: kernel-development-workflow/prepare-package
Status: New = Fix Released
** Changed in: kernel-development-workflow/prepare-package
Assignee: Canonical Kernel Team (canonical-kernel-team) = Andy Whitcroft
(apw)
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Hello Joseph,
Thanks a lot for the update.
Related to earlier releases. I don't think that this bug affected
earlier releases. because we saw it just in kernel 3.19 (Ubuntu 15.04).
Thanks,
Kamal
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Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: linux (Ubuntu)
Status: New = Confirmed
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https://bugs.launchpad.net/bugs/1470233
Given 'stress-ng --all 64' is quite heavy and system-wide stress, and
thousands of tasks are created for
running lots of stress concurrently which may touch most areas of kernel, the
triggered issue is quite difficult
to reproduce, so please add the detailed log information for further
*** This bug is a duplicate of bug 1470233 ***
https://bugs.launchpad.net/bugs/1470233
** This bug has been marked a duplicate of bug 1470233
linux: 4.0.0-4.6 -proposed tracker
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