Ah, 3.13.0-29-generic, I'll see if this bug has been around in previous
upstream versions now I've got an easy reproducer.
** Also affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Changed in: fwts
Assignee: (unassigned) = Colin King (colin-king)
** Changed in: linux
Public bug reported:
Intel-pstate should be enabled as it has improved in stability over the
past several kernel releases and does promise some excellent performance
+ power gains.
It would be also be *very* helpful if thermald is also installed for x86
platforms when intel-pstate is enabled to
The underlying issue was that this was booting in CSM mode and the
x2apic wasn't being configured correctly causing an SMP boot to hang.
We solved this issue by using the EFI grub loader to avoid booting in
CSM mode.
1. add /boot/efi /etc/fstab
2. install grub-efi
running grub-install
This can also be avoided by install with the standard desktop image
using EFI install mode rather than installing with the mac desktop ISO
image.
** Changed in: linux (Ubuntu)
Status: Incomplete = Won't Fix
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Public bug reported:
Can't install to nvme. fails on server because driver is not in d-i and
can't be loaded. Tested on today's server ISO
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: linux-image-3.13.0-23-generic 3.13.0-23.45 [modified:
boot/vmlinuz-3.13.0-23-generic]
xnox suggests the fix is:
diff --git a/debian.master/d-i/modules/block-modules
b/debian.master/d-i/modules/block-modules
index 546c900..3019387 100644
--- a/debian.master/d-i/modules/block-modules
+++ b/debian.master/d-i/modules/block-modules
@@ -17,6 +17,7 @@ hpsa ?
kbic ?
ktti ?
nbd ?
+nvme
** Changed in: linux (Ubuntu)
Status: Incomplete = Won't Fix
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Title:
HP EliteBook 6930p: scaling_max_freq is less than
@Brendan, I will close this bug in a short while as it has not been
updated for nearly 3 months
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Title:
HP EliteBook 6930p:
I wonder if suspend is being triggered twice. How are you suspending
the machine?
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Title:
Have to login twice after suspending
I've reverted commit 25cb36334e92312684f5cc18bfcf1eb96eb00485 and put
test kernel packages in:
http://kernel.ubuntu.com/~cking/lp-1294729
Do you mind testing the appropriate 32 or 64 bit kernels and letting me
know if this resolves the issue for you?
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@Len, do you mind just double checking you are running that installed
version, using uname -a
** Changed in: linux (Ubuntu)
Assignee: (unassigned) = Colin King (colin-king)
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Can you attach /etc/pulse/daemon.conf to the bug report. We're seeing
audio buffer overruns, so it would be useful to see what the pulse audio
settings are.
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thermald is the defacto solution to this in Trusty+, I've added a
Wikipage to describe how to install and configure this daemon:
https://wiki.ubuntu.com/Kernel/PowerManagement/ThermalIssues
I think this addresses the bug, so I'm going to close it.
** Changed in: linux (Ubuntu)
Status:
On 07/03/14 10:23, James Hunt wrote:
Hi Colin - thanks, yes running thermald has improved the situation
immensely! I do still very occasionally see overheats, although they are
extremely rare now and I suspect may be more related to my fans needing
a clean :-)
One can tweak the default
Assignee: Colin King (colin-king)
Status: In Progress
** Changed in: kerneloops (Ubuntu)
Importance: Undecided = Low
** Changed in: kerneloops (Ubuntu)
Status: New = In Progress
** Changed in: kerneloops (Ubuntu)
Assignee: (unassigned) = Colin King (colin-king
Assignee: Colin King (colin-king)
Status: In Progress
** Changed in: kerneloops (Ubuntu)
Status: New = In Progress
** Changed in: kerneloops (Ubuntu)
Assignee: (unassigned) = Colin King (colin-king)
** Changed in: kerneloops (Ubuntu)
Importance: Undecided = Medium
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Created attachment 93360
tarball of dmesg output and Xorg.0.log
Attached is dmesg.log and Xorg.0.log tarball using today's drm-intel-
nightly. S3 resume still results in a blank screen.
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One can use a thermald helper script to set the CPU Max temperature on
your machine.
Attached is the script, one has to specify the max temp in milli degrees
C, so for 80 degress C, enter 8, example:
sudo ./thermald_set_pref.sh
[sudo] password for king:
thermald preference
0 :
This is a warning that the BIOS has implemented OSI(Linux) and the
kernel ignores this, and reports this message. It can be ignored. From
drivers/acpi/osl.c, the comment states:
* From pre-history through Linux-2.6.22,
* Linux responded TRUE upon a BIOS OSI(Linux) query.
*
* Unfortunately,
Hmm, I'm not sure why you need to unload the thinkpad acpi driver.
Can you force fan control mode with
options thinkpad_acpi fan_control=1
in a /etc/modprobe.d/ .conf file and this will configure the driver at
boot time.
I also suggest enabling the intel-pstate driver. Ubuntu currently has
@James, I've now packaged up thermald for Trusty, which will do auto
throttling if the CPU is too hot. Perhaps you can give that a spin.
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Today's mainline kernel (top commit
85ce70fdf48aa290b4845311c2dd815d7f8d1fa5)
[ 241.352344] INFO: task systemd-udevd:381 blocked for more than 120 seconds.
[ 241.352420] Tainted: PF O 3.13.0-3-generic #18-Ubuntu
[ 241.352474] echo 0 /proc/sys/kernel/hung_task_timeout_secs
I tried today's drm-intel-nightly and all I get is a black screen,
spinning CPU and I can't ssh in to see what's happening.
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Title:
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
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
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
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
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
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
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
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
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.
Thanks for the update Alan.
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Title:
[Lenovo ThinkPad X220 4287] overheats a lot.
Status in “linux” package in Ubuntu:
Invalid
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
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:
Brendand, did the ignore_ppc workaround help?
** Changed in: linux (Ubuntu)
Status: In Progress = Incomplete
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Title:
HP
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
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:
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
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 issue.
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
** 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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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
** 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
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
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
@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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I've added a considerable amount of debug into the suspend path in the
kernel.
1. Edit /etc/default/grub and set:
GRUB_CMDLINE_LINUX_DEFAULT=loglevel=7 no_console_suspend
2. Download and install the kernel .debs from:
http://kernel.ubuntu.com/~cking/lp-1228406/v1/
3. Reboot
4. Switch to
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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** Summary changed:
- ecryptfs currupts files over 4GB size on i686
+ ecryptfs corrupts files over 4GB size on i686
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Title:
Tyler, the attached diff helps me read/write files over 4GB. I think
some of the changes may be redundant, so I'm checking to see what is the
minimal set of changes required.
** Patch added: 32-bit-fixes.diff
Tyler, reduced it down to a one line fix. Tested with a 0.5GB, 2GB, 4GB,
8GB, 32GB test file with a sanity check on each byte. Patch attached
below. Not yet tested with ecryptfs tests, but it looks like the root
issue.
** Patch added: potential fix
** Changed in: linux (Ubuntu)
Status: In Progress = Fix Committed
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Title:
ext4 random block I/O write performance regression
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
[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
Martin: tested this fix and it definitely stops the messages. Thanks!
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Title:
omapfb module floods system with udev events on
@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
@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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Does kernel parameter acpi_sleep=sci_force_enable help in any way?
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Title:
[LENOVO 3249CTO] suspend/resume failure
Status in
Ignore that comment, this bit is already forced on suspend nowadays.
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Title:
[LENOVO 3249CTO] suspend/resume failure
Status in
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
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
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
@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
** Changed in: linux (Ubuntu)
Assignee: (unassigned) = Colin King (colin-king)
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Title:
[LENOVO 3249CTO] suspend/resume failure
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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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
*** 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)
.
** 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/pm-config
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 King
DiagonalArg, please file a new bug as you have different hardware and
kernel, thanks
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https://bugs.launchpad.net/bugs/75626
Title:
spurious 8259 interrupt disabled IRQ
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