Tested linux-image-4.15.0-26-generic-4.15.0-26.28 from bionic-proposed,
and with it system boots quickly again (without haveged-workaround in
place). Dell E7440-laptop.
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Thanks for reporting, I was just struck by this bug on 17.04.
For a fix which lasts across reboots, run as normal user:
systemctl --user enable obex
This permanently enables OBEX service for your user sessions.
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I've not seen this problem with mainline kernels 4.10.X or 4.11-rcX.
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Title:
[Intel/drm] stuck on render ring
Status in linux packa
I will test with the mainline kernel for a while and report back if I
still experience this issue.
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Title:
[Intel/drm] stuck on rend
Public bug reported:
GPU hangs and Compiz crashes after resume from suspend.
This has happened rather frequently lately and was not a problem before.
But I cannot identify if there is a recent package update which is to
blame. I am on an updated Ubuntu 16.04 (without -proposed enabled).
GPU cras
Christopher, I think there is an upstream bug report for this problem:
https://bugzilla.kernel.org/show_bug.cgi?id=153241
(I thought my hard drive was dying when these messages suddenly appeared
on a server running Ubuntu 14.04 with 4.4.0-38-kernel.)
** Bug watch added: Linux Kernel Bug Tracker #
Same issue on Dell E7440 with Wily kernel (in my case the HWE-kernel for
Ubuntu 14.04). Keyboard backlight user control is not respected, and it
turns on at various conditions, including boot and screen wake up from
sleep.
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I cannot be 100% certain, but I am reasonably sure this particular
problem has vanished for me after I upgraded to the latest LTS
enablement stack (kernel 3.19 and newer Xorg components from vivid). I
still see some suspend related traces in kernel log, but they are not
the same, and in practice I
I still get lockscreen freezes with suspend and kernel 3.16.0-36-generic
(14.04 hardware enablement kernel).
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Title:
[Dell Latitude
I experience this at least once per day on a Ubuntu 14.04-installation
with LTS hardware enablement upgrade to kernel 3.16 (and newer Xorg
components). Typically, full screen video playback will suddenly freeze
(audio continues to play). At that point I must switch to VT 1, which
takes about a minu
Same issue occured on Ubuntu 14.04 LTS after upgrading kernel to 3.16,
and Xorg (LTS hardware enablement program). Screen was frozen, but I
was able to recover by switching to a VT and restarting X (switching
eventually worked after a long delay). Never any problems of this sort
with the 3.13-kern
Although not upstream, this looks like the Redhat/Fedora bug for the same issue:
https://bugzilla.redhat.com/show_bug.cgi?id=1120901
** Bug watch added: Red Hat Bugzilla #1120901
https://bugzilla.redhat.com/show_bug.cgi?id=1120901
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Actually, I seem to be getting these kernel warnings every time display
comes back from DPMS sleep, and not only resume from suspend.
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https://bugs.launchpad.net/bugs/1384297
Same issue on Dell E7440 (Intel HD 4400 Haswell) running Ubuntu 14.04
with upgraded kernel 3.16 (LTS enablement).
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Title:
After syst
This is still happens with latest kernel 3.13.0-45-generic in Ubuntu
14.04, when no workaround is in place.
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Title:
[Dell Latitude E
oad patterns
again at a later time.
Øyvind
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Title:
Kernel BUG: IP: [] find_get_
Public bug reported:
Trace:
Jan 26 10:54:48 lhs kernel: [172150.595480] BUG: unable to handle kernel paging
request at 000101500050
Jan 26 10:54:48 lhs kernel: [172150.595505] IP: []
find_get_page+0x33/0xa0
Jan 26 10:54:48 lhs kernel: [172150.595525] PGD 89115067 PUD 3aaec4067 PMD 0
Jan 26
I'm getting tired of this "create duplicate reports" stupidity. I'll
unsubscribe now and will provide no more information.
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Title:
[
Christopher, I have the issue in this bug – there is no doubt. Can you
please explain what value there will be in another duplicate bug report
? I shall refrain from comments that are off-topic for *this* bug, like
the keyboard-repeats, which may or may not be related.
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Still a problem with latest BIOS A11 released by Dell a day ago. Just to
keep the bug alive, because it very much is.
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Title:
[Dell
Judging by the IP and call trace, I cannot say that I remember this particular
BUG or anything like it for the kernel in question. (I
usually check for hints in logs after hard crashes like this one.)
There has been one earlier crash with the kernel in question (not
reported), but the call trace
** Summary changed:
- Kernel crash at prune_dcache_sb -> list_lru_walk_node+0xe3/0x160
+ Kernel crash IP: [] list_lru_walk_node+0xe3/0x160
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I know of no way to reproduce the crash.
** Summary changed:
- Kernel crash
+ Kernel crash at prune_dcache_sb
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Title:
Kernel crash
** Attachment added: "Kernel log from crash"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1373839/+attachment/4214664/+files/crash.log
** Description changed:
- Sep 25 11:22:04 lhs kernel: [10475.882643] BUG: unable to handle kernel
paging request at 00010150003c
- Sep 25 11:22:0
System quickly lost responsiveness after crash and required hard reset
by holding power button.
** Summary changed:
- Kernel crash at prune_dcache_sb
+ Kernel crash at prune_dcache_sb -> list_lru_walk_node+0xe3/0x160
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Public bug reported:
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: linux-image-3.13.0-36-generic 3.13.0-36.63
ProcVersionSignature: Ubuntu 3.13.0-36.63-generic 3.13.11.6
Uname: Linux 3.13.0-36-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.4
Architecture: amd64
AudioDevicesInUse:
USER
Lê Kiến Trúc <1301...@bugs.launchpad.net> writes:
> I have the same problem. I will try the work around from Øyvind
> Stegard (oyvinst). The problem is also on Windows so I think this is
> just a work around. Another problem is some time the keypress is
> repeat until I press an
low
themselves to screw it up. I've sent a support request to Dell under
warranty and told them to inform the BIOS team. Can't hurt, though not
really expecting anything but a boiler plate response..
(I tried resetting BIOS by loading defaults, but I still have issues
with repeating
Anyone else experience stuck and repeating keyboard input when sync
issues occur with the touchpad ? It seems to cause bad side effects with
keyboard input here ..
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Latest BIOS (A10) for the E7440 does not help.
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Title:
[Dell Latitude E7440] ALPS touchpad keeps having state reset
Status in “linu
Latest BIOS for the E7440 (A10) does not help.
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Title:
[Dell Latitude E7440] 14.04 Touchpad causing mouse pointer to
spuriously ju
** Tags removed: latest-bios-a08
** Tags added: latest-bios-a10
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Title:
[Dell Latitude E7440] suspend sometimes freezes when lock sc
Console switch workaround is reliable and prevents possible hangs on
suspend when screen locking is enabled.
It's implemented with a simple script in
/etc/pm/sleep.d/99switch_to_vt1:
#!/bin/sh
# Possible workaround for bug:
# https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1301601
#
# Switch
Stalling suspend for a few seconds did not help. Now testing console
switch workaround (switch to VT-1 at suspend, then switch back to VT-7
at resume.). So far this is looking better, and it might be preventing
the hanging lock screen. Need to observe longer for any conclusions.
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I feel certain now that this is somehow connected to lock screen, so I
updated the bug title accordingly. Now on kernel 3.13.0-30-generic with
the problem still present. Currently testing a workaround where suspend
is stalled a few seconds by an /etc/pm/sleep.d script to allow
lockscreen fade anima
** Summary changed:
- [Dell Latitude E7440] suspend failure
+ [Dell Latitude E7440] suspend freezes when lock screen activates
** Summary changed:
- [Dell Latitude E7440] suspend freezes when lock screen activates
+ [Dell Latitude E7440] suspend sometimes freezes when lock screen activates
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ut down the top finger again, without lifting the bottom. The
> cursor shoots back up again.
This as well.
Øyvind
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Hangs do not occur if the lock screen is disabled at suspend. Perhaps
this problem is somehow related to a bad interaction when lock screen is
activating while suspend is kicking in.
(Not having a lock screen at suspend is rather bad for security, so I'd
like to avoid it as a workaround.)
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Diaa Sami <1301...@bugs.launchpad.net> writes:
> Are you talking about hibernation or sleep/s3 ? I have the same laptop
> (E7440 with Kubuntu beta 2 right now), sleep/s3 work reliably but not
> hibernation, I needed a small - but not easy to find out - tweak to make
> hibernation work well.
Actua
Not sure it is related to actual freezing incidents, but I saw this in
kernel log at suspend:
Apr 2 09:46:26 lhs kernel: [ 305.963399] [ cut here ]
Apr 2 09:46:26 lhs kernel: [ 305.963436] WARNING: CPU: 2 PID: 2892 at
/build/buildd/linux-3.13.0/drivers/gpu/drm/i915/in
Just had another freeze at suspend. Display was still on, but frozen
right in the middle of the fade between desktop and lockscreen appearing
before machine should have suspended (same thing as first occurence). So
this bug is really about a failure to suspend, since it actually never
manages to re
Unless I hit the problem again, this bug will likely just fade into
oblivion, as I have no way to reliably reproduce the problem. And that
makes it hard to determine whether a mainline kernel helps or not.
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Scott Hosking <1258...@bugs.launchpad.net> writes:
> Øyvind Stegard, I have been experiencing the same issues to those in #43
> with the same laptop. See here for a report I filed a few months ago:
> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1272624
Thanks, I subscr
Christopher, I would, but I have a hard time understanding why I should
file an obvious duplicate bug report ? I have the same hardware as the
reporter and the same errors. Also, the A08 BIOS is not outdated – there
is nothing more recent available from Dell support.
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Experiencing this exact bug on clean 14.04 install (beta2, kernel 3
.13.0-21-generic) on a Dell E7440 with the latest A08-bios. In fact, the
pointer sometimes goes crazy and spews spurious input events all over
the desktop (including pasting stuff into terminals, etc.). Usually it
just momentaril
Public bug reported:
Closed lid, expecting laptop to suspend, but found it later hot, frozen
and *not* suspended. (Airflow was not the best, since it was in a bag.)
ProblemType: KernelOops
DistroRelease: Ubuntu 14.04
Package: linux-image-3.13.0-21-generic 3.13.0-21.43
ProcVersionSignature: Ubuntu
This bug is really just bug 879790, set status to duplicate or close.
Either way I will not be able to test, as I gave up on using Linux on
the machine due this problem. And now it is obsolete and dusty.
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If anyone else lands here and wonders what the status is in Ubuntu 13.10:
Bug is fixed in kernel 3.11.0-17-generic 3.11.0-17.30 for me. I downloaded and
installed it from the Canonical Kernel team PPA:
https://launchpad.net/~canonical-kernel-team/+archive/ppa
I guess it will appear in -proposed e
For Ubuntu Trusty the bug is invalid.
For Ubuntu 13.10, no, definitely not invalid, and a backport would be
nice. I thought perhaps the extended stable releases 3.11.10.N would be
made available in kernel updates for Ubuntu 13.10 ? If they are, then
this problem will likely disappear, since the m
As mentioned in bug description, the mainline kernel build:
v3.11.10.3-saucy/ 16-Jan-2014 10:53
from http://kernel.ubuntu.com/~kernel-ppa/mainline/ does not have the
problem.
** Tags added: kernel-fixed-upstream-3.11.10.3
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Latest desktop image from http://cdimage.ubuntu.com/daily-live/current/
(using kernel 3.13.0-4-generic) works great – no problems with wifi
speeds (close to 10MiB/s sustained for both tx/rx).
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Public bug reported:
Kernel 3.11.0-15-generic appears to regress iwlwifi performance
significantly.
I get about 400-500KiB/s sustained transfer rate with 3.11.0-15-generic,
while speed is over 7MiB/s with either 3.11.0-12-generic or mainline
kernel v3.11.10.3-saucy (same access point).
This bug
** Description changed:
Kernel 3.11.0-15-generic appears to regress iwlwifi performance
significantly.
I get about 400-500KiB/s sustained transfer rate with 3.11.0-15-generic,
- while with speed is over 7MiB/s with either 3.11.0-12-generic or
- mainline kernel v3.11.10.3-saucy (same acces
With mainline kernel from http://kernel.ubuntu.com/~kernel-
ppa/mainline/v3.11.10.3-saucy/, the iwlwifi transfer speeds are good
again (in both directions).
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I confirm this issue. In my case there is a huge regression in uplink
speed with kernel 3.11.0-15-generic compared to 3.11.0-12-generic (which
is good).
With 3.11.0-15-generic, I only get sustained 400–500KB/s uplink speed
(downlink speed is better though).
With 3.11.0-12-generic the uplink spee
I'd guess patch in bug 1169614 would help in my case (dhclient process).
Any progress on evaluating and possibly including the patch provided in
that bug ?
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In my case it's a dhclient process that likely respawns and prevents
remount to read-only of root fs, due to a lease file opened for writing
under /var/lib/NetworkManager/.. Result is unclean shutdown and recovery
of dirty root file system on next boot.
Attaching lsof output obtained just before c
Still a problem, Ubuntu 13.10, Dell Latitude E6510. Bluetooth led on
this laptop used to behave properly a long time ago, 12.04 and back
IIRC. But it was broken at some point, probably in kernel-land, and has
since been left in a broken state.
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Verified working OK on Ubuntu Saucy (using Live CD to test network
access).
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https://bugs.launchpad.net/bugs/1186932
Title:
Regression: kernel 3.8.0-24 breaks WPA enterpris
Though I guess it would be sufficient to test with a Saucy live desktop
image ? If so, I can do that. Will report back.
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Title:
Regr
I am sorry, I cannot install Saucy on the only machine I can test this
bug on, because it is my work laptop (and work network) and I need a
stable install on it.
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