@Davide for the future click on the yellow pen marker by Tags at the
bottom of the description. I have added the tag.
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
** Tags added: kernel-bug-exists-upstream
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Present on Utopic release candidate. Kernel 3.16.0-23 64 bit.
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Title:
Touchpad not working and not recognized
Status in “linux” pa
As noted in duplicate bug #1372967 a workaround appears to be to add boot
options
i8042.notimeout i8042.nomux
According to that report, however, this is only temporary, though it is working
ok fo me so far.
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Sorry for the delay. I'm testing with 3.18-rc1 and will report back
shortly.
Given the amount of time that elapsed, I also see that 3.18-rc2 is out.
I don't want to conflate issues, but, I did try to load rc2 as well and
can't do any testing, as I'm unable to boot the kernel. It seems that
someth
Problem still exists in 3.18-rc1. Seems to be more agressive - I got a
bunch of the sync error messages immediately after turning on the
driver; they would have kept going if I didn't re-disable it (psmouse
proto=exps):
[ 56.283673] input: DualPoint Stick as
/devices/platform/i8042/serio1/input
** Project changed: launchpad => linux (Ubuntu)
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Title:
radeon fence failure reduces screen resolution
Status in “linux” package in
** Project changed: launchpad => linux (Ubuntu)
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Title:
SD Card Reader Problems
Status in linux package in Ubuntu:
New
Bug descr
Public bug reported:
Since update to Vivid, laptop does not suspend on lid close if an external
monitor is connected. The external monitor blanks briefly and then resumes.
It suspends ok using the menu and does suspend on lid close if the external
monitor is not connected.
On Utopic it suspende
Bug still present in kernel 4.0-rc1-vivid
** Tags removed: apport-bug
** Tags added: apport kernel-bug-exists-upstream-bug
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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Is this definitely a kernel problem? The same thing happened a few
Ubuntu versions ago and then I thought it was due to a decision in
upstream gnome somewhere that a laptop with external monitor should not
suspend when lid is closed, but that eventually got reverted, either
upstream or in Ubuntu,
@Sander under what circumstances are you seeing that? I see a similar
message running stock Vivid on Fujitsu A544, but only if I close the lid
(for suspend) immediately after booting. It does not suspend
immediately, but if lid is left down it does suspend a couple of minutes
later and the page_f
** Project changed: launchpad => linux (Ubuntu)
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Title:
can't power off when shutting down
Status in linux package in Ubuntu:
New
Public bug reported:
When running vivid booted with systemd kernel, shutdown consistently
takes around 90 seconds. With the normal kernel it is about 15 seconds.
In the log, shutdown started (from the cog) at 13:50:20, Mar 6th. The
purple Ubuntu screen with dots appears after a few seconds and
** Package changed: ubuntu => linux (Ubuntu)
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Title:
[16.10 FEAT] Update ipr driver to latest level for POWER
Status in linux packa
We're seeing rather similar symptoms on Launchpad builders after
upgrading the guests from wily to xenial (console-log not very
informative, e.g. https://pastebin.canonical.com/160898/plain/; build
output appears hung; I can't tell for sure that it's the same thing,
this is just a guess). These ar
vm nvidia_modeset nvidia
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: amd64
CurrentDesktop: Unity
Date: Sat Jul 16 08:30:51 2016
HotplugNewDevices: /dev/sdd1 /dev/sdd
HotplugNewMounts: /dev/sdd1 /media/colin/Seagate\040Expansion\040Drive
fuseblk
rw,nosuid,nodev,relatime,user_id=0,group_
@dannf, this bug seems to be *worse* in xenial than in wily, so I don't
think backporting a change from xenial to wily is going to help matters?
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My pro 5 Ubuntu has the same problem
With. S10 HD. sound is good,no other functions work.
With. S11 HD. Like s10 hd.
With RK 300 no sound but micro phone. Works
ota 11 and 12
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untu 4.4.0-31.50-generic 4.4.13
Uname: Linux 4.4.0-31-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: amd64
AudioDevicesInUse:
USERPID ACCESS COMMAND
/dev/snd/controlC1: colin 3591 F pulseaudio
/dev/snd/controlC0: colin 3591 F pulseaudio
Cu
itecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: colin 3591 F pulseaudio
/dev/snd/controlC0: colin 3591 F pulseaudio
CurrentDesktop: GNOME
Date: Wed Aug 3 21:51:47 2016
HibernationDevice: RESUME=UUID=1875834b-d1ff-4b97-a9b8-4
** Project changed: launchpad => linux (Ubuntu)
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Title:
sound doesn't work - ubnt 16.04.1, asus laptop, snd-hda-intel
Status in lin
eric 4.4.0-31.50 [modified:
boot/vmlinuz-4.4.0-31-generic]
ProcVersionSignature: Ubuntu 4.4.0-31.50-generic 4.4.13
Uname: Linux 4.4.0-31-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: colin 3
software.
From: Abhay
Sent: Friday, November 18, 2016 12:45 PM
To: johnstone.co...@gmail.com
Subject: [Bug 1609601] Re: i2c_hid: probe of i2c-ELAN0732:00 failed with
error-61
Hi Colin,
were you able to get the touchscreen working ?
I am also having the exact same laptop model.
with the latest
** Project changed: launchpad => linux (Ubuntu)
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Title:
[AMD]Power-off/reboot stalls = no tty on Kernel 4.9.0.x
Status in linux pac
** Project changed: ubuntu-ubuntu-server => linux (Ubuntu)
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Title:
OOM in guest Ubuntu with inflated balloon
Status in linux packag
** Project changed: launchpad => linux (Ubuntu)
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Title:
Broken hardware buttons on Dell XPS 12-9Q33
Status in linux package in Ubun
** Project changed: launchpad => linux (Ubuntu)
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Title:
Traffic Shaping under kernel 4.4
Status in linux package in Ubuntu:
Incom
The kernel running on the builders is a custom fork at the moment, which
isn't a good long-term situation, so please don't mark the kernel task
here as Fix Released.
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** Project changed: launchpad => linux (Ubuntu)
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Title:
Xrandr gamma and brightness problem on 4.4.0-34 kernel
Status in linux pac
** Project changed: launchpad => linux (Ubuntu)
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Title:
Kernel 4.4.0-34 caused Redshift/Flux/brightness-controller etc. to
stop wo
** Project changed: launchpad => linux (Ubuntu)
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Title:
Wi-Fi signal strength very low beside router, gets lower on moving 2-3
met
0-31-generic]
ProcVersionSignature: Ubuntu 4.4.0-31.50-generic 4.4.13
Uname: Linux 4.4.0-31-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: amd64
AudioDevicesInUse:
USERPID ACCESS COMMAND
/dev/snd/controlC1: colin 3591 F pulseaudio
/dev/snd/contro
t/vmlinuz-4.4.0-31-generic]
ProcVersionSignature: Ubuntu 4.4.0-31.50-generic 4.4.13
Uname: Linux 4.4.0-31-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: colin 3591 F pulseaudio
/de
DiagonalArg, please file a new bug as you have different hardware and
kernel, thanks
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Title:
spurious 8259 interrupt disabled IRQ
Sta
I am running Linux Mint and an Iphone 5 7.0.3, I have the same problems
as the original poster.
My iPhone works fine with my Mac and Widnows 7, but I can not get rid of
the Trust command no matter how many times I hit trust. I am thinking of
switching over to XFCE, but doubt I will see any differe
I wonder if the issue is because you have a different wireless card and
this is causing the firmware some issues when coming up from a clean
start on resume.
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ot
4. Switch to console #1
5. login
6. run:
sudo pm-suspend
Note down the last kernel messages you see. If the screen blanks and
the machine turns off before you see any messages, I will add some
delays to printk() when suspend in invoked and re-spin a new kernel.
Colin
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@Steve, as per discussion on IRC, you mentioned that this bug may be due
to just buggy H/W. Do you want to keep this bug open?
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Title
It would be interesting to see what the firmware is doing, so a dump of
the ACPI tables would be useful:
sudo fwts --dump
and attach just the acpidump.log to the bug report
** Changed in: linux (Ubuntu)
Importance: Undecided => Medium
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So, the ACPI _PSS object returns the number of supported CPU frequencies
and this test sets the CPU(s) to each frequency and checks the
performance of each frequency. The amount of compute possible "bogo
cycles" in a fixed amount of time should scale accordingly. In this
machine's case, it has t
Fine by me - FFe ack.
However, since you're making it "Architecture: any", you probably ought
to make sure that it does something vaguely sensible on powerpc (even if
that's just to bail out with a suitable error), or else "Architecture:
amd64 armhf i386".
** Changed in: cpu-checker (Ubuntu)
The verification of this Stable Release Update has completed
successfully and the package has now been released to -updates.
Subsequently, the Ubuntu Stable Release Updates Team is being
unsubscribed and will not receive messages about this bug report. In
the event that you encounter a regression
There are some BIOS issues in your machine:
[0.728941] ACPI Exception: AE_AML_PACKAGE_LIMIT, Index (0x0006)
is beyond end of object (20121018/exoparg2-418)
[0.728946] ACPI Error: Method parse/execution failed [\_TZ_.GETP] (Node
880139a31cf8), AE_AML_PACKAGE_LIMIT (2012101
You may like to try out the following kernel parameters
thermal.crt=-1
thermal.off=1
and see what that does.
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Title:
scaling_max_
OK, now I am confused. That's not what I expected.
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Title:
scaling_max_freq is less than highest frequencies in
scaling_available_
Can you try the following:
Edit /etc/default/grub (you need to do this using root privilege) and
change
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash"
to
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash processor.ignore_ppc=1"
and then run:
sudo update-grub
and reboot. Maybe this will work around the iss
Brendand, did the ignore_ppc workaround help?
** Changed in: linux (Ubuntu)
Status: In Progress => Incomplete
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Title:
HP Eli
Either load the machine and check to see the scaling frequencies by
hand, or run:
sudo fwts cpufreq
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Title:
HP EliteBook 6930p: sca
So it seems some CPU scaling works on CPU0, but not on CPU1. What are
the values of
/sys/devices/system/cpu/cpu0/cpufreq/scaling_available_frequencies
and
/sys/devices/system/cpu/cpu1/cpufreq/scaling_available_frequencies
with the ignore_ppc=1 setting?
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Since pastebin data can get reaped after a while, the info that's useful
is as follows:
CPU 0: 4 CPU frequency steps supported.
Frequency | Relative Speed | Bogo loops
---++---
2.58 GHz | 100.0 %| 74603
2.58 GHz | 93.6 %| 69857
1.65 G
Thanks for the update Alan.
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Title:
[Lenovo ThinkPad X220 4287] overheats a lot.
Status in “linux” package in Ubuntu:
Invalid
Bu
Christopher, this is no longer giving me a problem as bug 806032 has
been fixed. However I have checked with Trusty (kernel 3.12.0-7 32 bit)
and the problem described here does still exist. The bug is therefore
not invalid, but from my point of view it does not need fixing. I don't
know what the
The _PCL error in \_SB_.PCI0.SBRG.ADP1._PCL is because _PCL below
returns _SB which is not a package:
Device (ADP1)
{
Name (_HID, "ACPI0003") // _HID: Hardware ID
Method (_PSR, 0, NotSerialized) // _PSR: Power Source
{
Return (P
So enabling this consumes an extra sizeof(atomic_t) bytes per inode.
Instrumenting the kernel with it enabled we see:
* To boot a system:
0.113 MB allocated + 23 x 4K slabs in iint_cache, total: 0.203 MB
consumed for ~1288 cached file entries.
* Install kernel + headers:
0.401 MB allocated +
I've tracked this down to 2 patches that trigger this issue:
1. 24576d23976746cb52e7700c4cadbf4bc1bc3472
drm/i915: enable VT switchless resume v3
This commit stops the screen from turning back on. Without the patch the
screen resumes back to on, however it is filled with random vertical lines.
OK, that's interesting to know. I know for sure that HP aren't doing any
BIOS updates on that unit (as I worked on enabling it several years
ago).
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Chris, unfortunately that patch does not fix the random vertical lines.
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Title:
HP Mini 1000 fails to resume from suspend
Status in
Created attachment 90886
3.9.0, no reverts, before S3
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Title:
HP Mini 1000 fails to resume from suspend
Status in The Linux Kernel:
Created attachment 90890
3.9.0, reverted commit fa55583, built at head b5644d0, after s3
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Title:
HP Mini 1000 fails to resume from s
Created attachment 90887
3.9.0, no reverts, after S3
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Title:
HP Mini 1000 fails to resume from suspend
Status in The Linux Kernel:
I ran intel_reg_dumper, but I am seeing:
Gen2/3 Ranges are not supported. Please use unsafe access.
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Title:
HP Mini 1000 fails to r
Attached are the requested register dumps. Could not resume on the
revert of fa55583, so no "after S3" results for that. Apoligies it took
so long, had issues getting build of the latest intel-gpu-tools sorted
(other dependancy issues).
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Created attachment 90873
dmesg log
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Title:
HP Mini 1000 fails to resume from suspend
Status in The Linux Kernel:
Confirmed
Status
Created attachment 90888
3.9.0, reverted commit fa55583, before s3
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Title:
HP Mini 1000 fails to resume from suspend
Status in The
Created attachment 90889
3.9.0, reverted commit fa55583, built at head b5644d0, before s3
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Title:
HP Mini 1000 fails to resume from
..although I discovered today that the machine later blanks the screen
after several of idle and then unblanks it in a fully working state. Not
sure if that is a helpful data point to consider.
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so I believe xrandr is sorting this out, running it manually:
king@hpmini:~$ xrandr --output LVDS1 --off
king@hpmini:~$ xrandr --output LVDS1 --auto
seems to get rid of the vertical lines.
"If you try 3.12/3.13 do we get any more warnings about inconsistent hw state?"
.. I can test with 3.13 lat
This bug has been fixed, the 13.10 kernel should support this device
without a workaround. Anyone still seeing a problem should report a new
bug.
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** Changed in: linux (Ubuntu)
Status: Incomplete => In Progress
** Changed in: linux (Ubuntu)
Importance: Undecided => Medium
** Changed in: linux (Ubuntu)
Assignee: (unassigned) => Colin King (colin-king)
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That's useful to know, seems like fwts did discover an issue then ;-)
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Title:
Medium Errors when running cpufreq test in fwts
Statu
I can reproduce this, I will bisect the kernel and figure out what's
broken. May take a while to do.
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Title:
HP Mini 1000 fails to r
Hello Andy, or anyone else affected,
Accepted apt into precise-proposed. The package will build now and be
available at
http://launchpad.net/ubuntu/+source/apt/0.8.16~exp12ubuntu10.16 in a few
hours, and then in the -proposed repository.
Please help us by testing this new package. See
https://wi
I've installed the -proposed kernel and ran 10 iterations of a block
write soak test using stress-ng and measured the duration to perform
20 I/O operations:
3.11.0-13-generic #20-Ubuntu : 127.6 seconds
3.11.0-14-generic #21-Ubuntu (-proposed): 78.5 seconds
so the proposed kernel does radic
This is proving to be a bit tricky, commit
fa55583797d12b10928a1813f3dcf066637caf5e causes a regression on the i915
driver on resume causing screen corruption, making it hard to see resume
failures on the console. I've now figured out between which two points
the resume hangs, but I need to now re
** Changed in: linux (Ubuntu)
Status: New => In Progress
** Changed in: linux (Ubuntu)
Importance: Undecided => Medium
** Changed in: linux (Ubuntu)
Assignee: (unassigned) => Colin King (colin-king)
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.
** Affects: linux (Ubuntu)
Importance: Medium
Assignee: Colin King (colin-king)
Status: In Progress
** Attachment added: "LibreOffice file containing test results - old config vs
fixed config"
https://bugs.launchpad.net/bugs/1233681/+attachment/3853414/+files
Public bug reported:
Exercising the NVMe driver I'm observing a load of messages: process_cq
did something
Informative, no, helpful, not really. Upstream commit
bc57a0f7a44cfcf3e9873f6c6b8dcecdca486b1f fixes this issue.
** Affects: linux (Ubuntu)
Importance: Low
Assignee: Colin
*** This bug is a duplicate of bug 1233681 ***
https://bugs.launchpad.net/bugs/1233681
** This bug has been marked a duplicate of bug 1233681
context switching on 3.11 kernel costing CPU and power
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I've correlated this with wakeup activity in compiz. This issue seems to
have been resolved around 12th June 2013 and we've not seen any more of
these peak in wakeups since. So I'm going to mark this as fixed
released, I'm not sure what got fixed though.
** Changed in: linux (Ubuntu Saucy)
** Package changed: linux-signed (Ubuntu) => shim-signed (Ubuntu)
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Title:
UEFI shim verification against microsoft-uefica-pub
Attached is the requested log.
** Attachment added: "bug-1234743.log.gz"
https://bugs.launchpad.net/ubuntu/+source/upstart/+bug/1234743/+attachment/3859201/+files/bug-1234743.log.gz
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Thanks James, I will look into what the driver is doing.
** Changed in: linux (Ubuntu)
Assignee: (unassigned) => Colin King (colin-king)
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After some digging I've found the following:
1. commit a4e449e8a08e727b8160cb4e4a0367c447148d2f enables
drivers/video/omap2/omapfb/omapfb-main.c to send VSYNC uevents on each
vsync.
2. hwcomposer.omap4.so handles this VSYNC event, and inspecting
/proc/$pid/maps it appears this is used by surface
Enabling Mir with VSYNC disabled in the omapfb driver leaves me in a
state with just a blank screen. I can login via adb shell, so I need to
debug this a bit deeper.
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dmidecode really ought to print this message to stderr, not stdout (at
least when the -s option is in use, indicating a desire for machine-
readable output; there might be backward-compatibility concerns with
changing it in general). That would be much less fragile than trying to
parse this out in
Interesting idea, but (a) it's currently in universe and would need MIR
paperwork, (b) I'm not at all comfortable with the fact that it's
basically a copy of dmidecode, so we'd need to make sure changes to
dmidecode were reflected in python-dmidecode.
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** Changed in: linux (Ubuntu)
Assignee: (unassigned) => Colin King (colin-king)
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Title:
[LENOVO 3249CTO] suspend/res
Steve, just to factor out some of the pm-utils complexity can you boot
into 3.11.0-4 and switch to a console and try:
echo mem | sudo tee /sys/power/state
and see if that works.
Failing that, do you have any earlier kernels to try this out on to see
if they work or fail?
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isn't that's kind of what we concluded back in comment #11?
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Title:
omapfb module floods system with udev events on samsung galaxy n
I believe the library /vendor/lib/hw/hwcomposer.omap4.so depends on
these VSYNCs, I'm unsure how the plumbing works between the kernel and
this library - is this proprietary code?
The kernel just shoves these VSYNC uevents outs for the
hwcompiser.omap4.so to handle. I am of the current understandi
@Dmitrijs,
Today's image is far better, see the attached data for mediaplayer-
app, unity8 and init when playing an mp4. You will see that init is now
far less loaded and not being saturated by events and hence not context
switching like crazy.
** Attachment added: "health-check analysis of m
Does kernel parameter "acpi_sleep=sci_force_enable" help in any way?
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https://bugs.launchpad.net/bugs/1228406
Title:
[LENOVO 3249CTO] suspend/resume failure
Status in “li
Ignore that comment, this bit is already forced on suspend nowadays.
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https://bugs.launchpad.net/bugs/1228406
Title:
[LENOVO 3249CTO] suspend/resume failure
Status in “lin
One thing to try is to reset to factory defaults on the firmware and
boot (to see if it still works!). Then shutdown, remove AC and battery
and wait 5 or so minutes to ensure everything like the Embedded
Controller is completely off and then plug in the battery and AC and see
if suspend/resume is a
@Steve, perhaps you can confirm if 3.11.1-031101 solves the problem. If
so, I can start to track down any potential fixes we're missing.
packages in: http://kernel.ubuntu.com/~kernel-
ppa/mainline/v3.11.3-saucy/
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@Martin, output from "udevadm monitor --kernel -e"
KERNEL[71.872711] change /devices/platform/omapfb (platform)
ACTION=change
DEVPATH=/devices/platform/omapfb
DRIVER=omapfb
MODALIAS=platform:omapfb
SEQNUM=4650
SUBSYSTEM=platform
VSYNC=71872436527
KERNEL[71.889678] change /devices/platform/oma
Martin: tested this fix and it definitely stops the messages. Thanks!
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https://bugs.launchpad.net/bugs/1234743
Title:
omapfb module floods system with udev events on samsu
[Test case]
1. Install the updated package on an x86 system.
2. Reboot.
3. Confirm that the machine boots successfully.
Check on Lenovo x220. Works OK. Passed.
4. Install the updated package on a non-maguro arm system.
5. Reboot.
6. Confirm that the machine boots successfully.
Checked on LG Nexu
~10-20% faster than the non-fixed
kernel.
** Affects: linux (Ubuntu)
Importance: Medium
Assignee: Colin King (colin-king)
Status: In Progress
** Changed in: linux (Ubuntu)
Status: New => In Progress
** Changed in: linux (Ubuntu)
Importance: Undecided => Medium
**
** Changed in: linux (Ubuntu)
Status: In Progress => Fix Committed
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https://bugs.launchpad.net/bugs/1242812
Title:
ext4 random block I/O write performance regression
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