** Description changed:
Rebooted my system and at the luks/crypt password entry screen, I was
able to type about half my password when the system locked up and became
unresponsive. Hard poweroff was the only thing that worked. Same
problem in recovery mode at the text prompt for the
Public bug reported:
Rebooted my system and at the luks/crypt password entry screen, I was
able to type about half my password when the system locked up and became
unresponsive. Hard poweroff was the only thing that worked. Same
problem in recovery mode at the text prompt for the crypt
This may be related to this file that I had set up at some point (to
workaround some suspend bluetooth issues?):
$ cat /usr/lib/systemd/system-sleep/bluetooth
#!/bin/sh
case $1 in
pre)
systemctl stop NetworkManager.service
rmmod ath10k_pci ath10k_core ath
btmgmt power off
;;
Public bug reported:
On mantic, after a suspend my network doesn't come up automatically. I
have historically run the following to "reset" networking; not sure what
of it is necessary and what's not, but this brings it up:
$ sudo systemctl stop NetworkManager.service; sudo rmmod ath10k_pci
fwiw, this is fixed in kinetic with its 5.19 kernel
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https://bugs.launchpad.net/bugs/1958620
Title:
[Dell XPS 15 9575] Flickering white/black screen once KMS comes up
This bug is not fixed by 5.15.0-40-generic, and still occurs with that
kernel
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Title:
[Dell XPS 15 9575] Flickering white/black
any plans to address this in jammy? haven't had any movement on the
upstream bug so I assume reverting that one commit is probably the best
option?
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also fwiw, confirmed that starting from tag Ubuntu-5.15.0-25.25 (commit
f4a9abe17854fc753c84a0ba4ac275e715a008f3), reverting commit
6d7a793aabf31d7ba2b16fc13a94ccf0b90e4be0 applies cleanly and fixes the
bug.
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found some other reports that claim i915.fastboot=0 is a workaround, and
can confirm it does work around the issue on jammy's current 5.15
kernel.
https://www.reddit.com/r/pop_os/comments/scqr4n/dell_xps_15_9575_screen_flickering_upon_boot/
https://bugs.archlinux.org/task/72134
** Bug watch added: gitlab.freedesktop.org/drm/intel/-/issues #5534
https://gitlab.freedesktop.org/drm/intel/-/issues/5534
** Also affects: linux via
https://gitlab.freedesktop.org/drm/intel/-/issues/5534
Importance: Unknown
Status: Unknown
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If I didn't get my good/bad confused on the reverse bisection, this
appears to be the commit that fixes it:
5ac860cc52540df8bca27e0bb25b6744df67e8f0 is the first bad commit
commit 5ac860cc52540df8bca27e0bb25b6744df67e8f0
Author: Ville Syrjälä
Date: Thu Mar 3 21:12:06 2022 +0200
drm/i915:
appears to be fixed in drm-tip 2022-03-29 packages
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Title:
[Dell XPS 15 9575] Flickering white/black screen once KMS comes up
Yeah I was confused that the built kernel versions were in the v5.13-rc
range, but according to `git tag --contains
6d7a793aabf31d7ba2b16fc13a94ccf0b90e4be0` (and the list of tags in
https://github.com/torvalds/linux/commit/6d7a793aabf31d7ba2b16fc13a94ccf0b90e4be0)
v5.14-rc1 is the first tag that
after bisection:
6d7a793aabf31d7ba2b16fc13a94ccf0b90e4be0 is the first bad commit
commit 6d7a793aabf31d7ba2b16fc13a94ccf0b90e4be0
Author: José Roberto de Souza
Date: Fri May 14 16:22:45 2021 -0700
drm/i915/display: Allow fastsets when DP_SDP_VSC infoframe do not match
with PSR enabled
Was the Precision 5530 2-in-1 version of this machine ever certified?
don't know if it would have the exact same issue but its the same
chipset.
In the meantime I'm attempting to bisect the mainline kernel to find the
commit that broke this.
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based on previous comment no longer testing with i915.enable_psr=0, but
here's what i've narrowed it down to:
v5.13.19: works
v5.14.0rc2: black screen
looks like the v5.14.0rc1 build failed so can't test that?
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v5.14: black screen
v5.13: black screen with i915.enable_psr=0, works without
went back and tried the initial 5.13.0-35 as well, and it also does the
black screen with i915.enable_psr=0
will try to find the first mainline 5.13 that doesn't work today (or if they
all work).
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both of those exhibit the bug.
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https://bugs.launchpad.net/bugs/1965968
Title:
post jammy update, black/flickering screen on boot
Status in linux package in Ubuntu:
i915.enable_psr=0 did not fix the black screen issue, but did appear to
remove the flickering purple streaks, fwiw.
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Title:
post
acpidump on latest (1.13.0) firmware.
** Attachment added: "1.13.0.acpidump"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1822394/+attachment/5415405/+files/1.13.0.acpidump
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1.2.0 firmware acpidump attached
** Attachment added: "1.2.0.acpidump"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1822394/+attachment/5415318/+files/1.2.0.acpidump
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verified fixed with proposed kernel on dell xps15 2-in-1.
Device: Mesa Intel(R) HD Graphics 630 (KBL GT2) (0x591b)
** Tags removed: verification-needed-focal
** Tags added: verification-done-focal
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** Changed in: linux (Ubuntu)
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1844962
Title:
apparent memory usage regression - not getting
confirmed fixed in 5.3.0-24.26
** Changed in: linux (Ubuntu)
Status: Confirmed => Fix Committed
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Title:
apparent memory
added to the 5.3-stable tree:
https://git.kernel.org/pub/scm/linux/kernel/git/stable/stable-
queue.git/tree/queue-5.3/drm-amdgpu-user-pages-array-memory-leak-
fix.patch
can this get into the next ubuntu kernel as well?
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fwiw, with a 5.3 kernel on eoan and a system-sleep script that does
`btmgmt power off` pre sleep, and `btmgmt power on` post sleep, I
haven't been seeing the lock up issue.
just an occasional instant wake from suspend with the system usable
after that, and able to successfully suspend with
** Tags added: patch-accepted-upstream
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Title:
apparent memory usage regression - not getting freed?
Status in linux package in
in drm-next: https://cgit.freedesktop.org/~agd5f/linux/commit/?h=drm-
next=06f7f57e87d09900a7c3109a357b73521ab40771
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Title:
patch update: https://lists.freedesktop.org/archives/amd-
gfx/2019-October/041187.html (also see review in
https://lists.freedesktop.org/archives/amd-gfx/2019-October/041194.html)
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The patch in https://lists.freedesktop.org/archives/amd-
gfx/2019-October/040850.html appears to fix the issue
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https://bugs.launchpad.net/bugs/1844962
Title:
apparent
https://lists.freedesktop.org/archives/amd-gfx/2019-October/040688.html
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https://bugs.launchpad.net/bugs/1844962
Title:
apparent memory usage regression - not getting
(also, still an issue with 5.3.0-13)
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Title:
apparent memory usage regression - not getting freed?
Status in linux package in
899fbde1464639e3d12eaffdad8481a59b367fcb is the first bad commit
commit 899fbde1464639e3d12eaffdad8481a59b367fcb
Author: Philip Yang
Date: Thu Dec 13 15:35:28 2018 -0500
drm/amdgpu: replace get_user_pages with HMM mirror helpers
Use HMM helper function hmm_vma_fault() to get
seems this gets triggered by the dolphin emulator, but not under disco
kernel 5.0.0-25 with an otherwise eoan system.
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Title:
** Attachment added: ""bad" memory usage"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1844962/+attachment/5290532/+files/Screenshot%20from%202019-09-22%2021-24-40.png
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Public bug reported:
In eoan on a 5.3 kernel, have noticed a few incidents of the system
becoming sluggish/unresponsive, which appears to be caused by low
available memory. top is reporting 13 of 16G are "used", but adding up
the memory reported by top sorted by memory usage appears like it
any chance we can see this in an ubuntu kernel despite the lack of
response on lkml?
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https://bugs.launchpad.net/bugs/1823029
Title:
[Dell XPS 15 9575] Occasionally fails
ok thanks, my 2nd attempt at patching 5.0.0.20.21 with v2 appears to be
working as well as your older build.
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Title:
[Dell XPS 15
fwiw, i tried to build 5.0.0.20.21 with v2 applied, and was able to
reproduce the bug (I may have built it incorrectly though? I git
applied the two patches from a clone of git://git.launchpad.net/~ubuntu-
kernel/ubuntu/+source/linux/+git/disco and then did `fakeroot
debian/rules clean` ;
looks like no responses to v2, anything I can do to help move this
along? could it at least make it into an updated kernel build with
security patches, if not the ubuntu patch set?
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Either way, whatever fix is in the
https://people.canonical.com/~khfeng/lp1823029/ kernel is very effective
if not perfect -- can it be put into the main repo kernels or will I
need to keep kernel packages held for a while?
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>From reading the logs that's what it looks like -- it appears the lid
was closed at 21:48:40 and then suspend was successful at 21:49:10 or
21:49:25, but then the system immediately resumes at 21:49:25, and
doesn't fully recover
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(but unlike the on-suspend lockup, the journal continues to accumulate
some entries -- possible the system wasn't fully locked up but the
display was?)
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Had another failure with similar symptoms (fan on, screen black once
laptop lid opened), but logs look different this time.
** Attachment added: "differentfailure.txt"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1823029/+attachment/5256275/+files/differentfailure.txt
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still looking good after several more sleep cycles today
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Title:
[Dell XPS 15 9575] Occasionally fails to suspend and locks up
initial tests are looking good (4 successful suspends & resumes during
this boot so far). Will keep testing and report back.
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Title:
linux-modules-extra package looks corrupt:
(Reading database ... 367458 files and directories currently installed.)
Preparing to unpack
linux-modules-extra-5.0.0-11-generic_5.0.0-11.12~lp1823029_amd64.deb ...
Unpacking linux-modules-extra-5.0.0-11-generic (5.0.0-11.12~lp1823029) ...
dpkg-deb
Saw same thing with the btmgr commands added to system-sleep script,
attaching kernel log from that boot
** Attachment added: "kernel log with btmgr privacy set during system-sleep
script"
yes, all packages are up to date, and specifically the gnome-bluetooth
package at 3.32.1-1 since april 3rd.
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Title:
[Dell XPS 15
ok, have added those commands to a /lib/systemd/system-sleep script to
have that happen before suspend and will report back if it helps or not.
It appears that with privacy on, my bt mouse doesn't connect anymore, is
that expected?
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here's the bottom of journalctl -b -1 from a boot with
"usbcore.dyndbg=+p" that reproduced the issue (let me know if there's a
better way to get the kernel log you're looking for):
Apr 10 17:31:18 taplop systemd-sleep[8074]: Suspending system...
Apr 10 17:31:18 taplop kernel: PM: suspend entry
** Attachment added: "full kernel log from that boot extracted via: journalctl
-b-1 -k > kern.log"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1823029/+attachment/5254820/+files/kern.log
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downgrading to the 1.2.0 bios on xps 9575 appears to be working properly
(tested 3 reboots with no issues)
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https://bugs.launchpad.net/bugs/1822394
Title:
[Dell BIOSes
Yes, I've seen it on both bionic and cosmic kernels in addition to
disco's
** Summary changed:
- [Dell XPS 15 9757] Occasionally fails to suspend and locks up instead
+ [Dell XPS 15 9575] Occasionally fails to suspend and locks up instead
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trying to boot with the 5.1-rc3 kernel resulted in a black screen that
never asked for my encrypted drive password. I could ctrl+alt+delete to
reboot back to bios/grub, but could not successfully boot the system.
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Public bug reported:
Sometimes when suspending, the suspend process fails, and the machine
becomes unresponsive to any input, has nothing but a black/off display,
and fans kick in and run high (which is actually 'good' for detecting
the issue has happened).
journalctl output from an unsuccessful
fwiw, bug 1797174 captures the behavior from @mario-vukelic's comment
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https://bugs.launchpad.net/bugs/1792813
Title:
iio-sensor-proxy says: "Could not find any supported
ok, i'm going to go with bionic's kernel.
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https://bugs.launchpad.net/bugs/1729010
Title:
USB hub stops working after suspend(s?)
Status in linux package in Ubuntu:
having some trouble with the bisect:
-in order to be able to test this, the built kernel needs to include commit
13cfc732160f7bc7e596128ce34cda361c556966 which allows suspend on this machine
to work
-the bisect is picking commits like 6afafa7799cf6fa3c0efb6887704506d21965ad6
that don't descend
(I have confirmed that building at
13cfc732160f7bc7e596128ce34cda361c556966 does not exhibit the bug, fwiw)
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Title:
USB hub stops
I can, but can't promise an SLA ;)
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Title:
USB hub stops working after suspend(s?)
Status in linux package in Ubuntu:
Confirmed
appears to be gone in 4.15.0-11 as well
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Title:
USB hub stops working after suspend(s?)
Status in linux package in Ubuntu:
i have not yet experienced it in v4.16-rc2
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Title:
USB hub stops working after suspend(s?)
Status in linux package in Ubuntu:
in limited testing so far, v4.16-rc2 appears better
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Title:
USB hub stops working after suspend(s?)
Status in linux package in
USB mass storage devices appear to have the same problem as the hub i
was using, while usb keyboards continue to work ok even when the hub &
mass storage devices fail.
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reproduced the issue on v4.13rc3. both rc1 and rc2 appear to be very
unstable resulting in full graphical lockups. believe I reproduced the
issue on rc2 as well, but hard to tell with the general instability.
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I should probably test a few more suspend cycles, but so far on
4.12.0-11-generic I'm not seeing the issue
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Title:
USB hub stops
It did not occur on previous ubuntu releases, and didn't occur during
the artful dev cycle either. It seems to be on a suspend-by-suspend
basis: after reproducing, another suspend cycle seems to "fix" it at
least some of the time.
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Reproduced on mainline as well.
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
** Tags added: kernel-bug-exists-upstream
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it does reproduce on 4.12.0-13. Not sure exactly what kernel I was
running when it was last working, but will try a few more and report
back after finishing testing mainline for a separate bug
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Reproduced on 4.13.0-12, trying mainline now
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Title:
USB hub stops working after suspend(s?)
Status in linux package in Ubuntu:
Reproduced on v4.14-rc7
** Tags added: kernel-bug-exists-upstream
** Changed in: linux (Ubuntu Artful)
Status: Incomplete => Confirmed
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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its not instantly reproducible so it'll take a while to ensure it's
really gone, but i'll run with my last installed kernel (4.13.0-12) for
a while and see, and then also try the latest mainline 4.14 and report
back
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Public bug reported:
On initial boot, my usb hub works fine, but after a (series of?)
suspends, I stop being able to see devices that are plugged into it.
journalctl output on plugging it in:
Oct 31 07:08:36 spiny kernel: usb 1-1: new high-speed USB device number 21
using xhci_hcd
Oct 31
Public bug reported:
In Artful, since 4.13 kernel, the screen gets super dim after the grub
prompt while displaying the hard drive encryption unlock screen. Soon
after unlocking the hard drive, the screen returns to normal brightness,
but it's hard to even see that the unlock screen is being
Logs not relevant, but I have confirmed that suspend works with a
mainline kernel build that includes the new patch
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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Public bug reported:
The patch applied in
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1587714 is no
longer needed in artful kernels 4.12.0-11.12 and above, as a fix has
made it in upstream 4.12.4+ and 4.13rc1+ kernels.
The new fix is in arch/x86/pci/fixup.c, while the applied patch was
FYI, it looks like a slightly different patch has been accepted into the
mainline 4.13 kernel:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/arch/x86/pci/fixup.c?h=v4.13-rc1=13cfc732160f7bc7e596128ce34cda361c556966
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the workaround works. i haven't tried newer version w/out the
workaround.
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https://bugs.launchpad.net/bugs/1546603
Title:
Bluetooth mouse connects but doesn't work
Public bug reported:
Tried to play a bluray using VLC, and got the following kernel NULL
pointer dereference:
Nov 22 14:22:56 spiny kernel: BUG: unable to handle kernel NULL pointer
dereference at (null)
Nov 22 14:22:56 spiny kernel: IP: []
gen6_ppgtt_insert_entries+0x14d/0x1d0
Verified this fixes the issue on xenial on kernel 4.4.0-37-generic. Do
you still need further verification on other releases?
** Tags removed: verification-needed-xenial
** Tags added: verification-done-xenial
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Updated patch with a Singed-off-by line has been posted to
https://patchwork.kernel.org/patch/9289777/
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https://bugs.launchpad.net/bugs/1587714
Title:
MacBookPro11,4 fails
Public bug reported:
Since the release of the 2015 MacBookPro11,4 (15" retina), it has been
unable to suspend or poweroff on linux. Recently,
https://bugzilla.kernel.org/show_bug.cgi?id=103211 has received a patch
that works to fix these issues. The patch is in comment #172, and is
also
1.18.2 from the x-staging ppa works, thanks Timo!
** Changed in: linux (Ubuntu)
Status: Confirmed => Invalid
** Changed in: xorg-server (Ubuntu)
Status: New => Fix Committed
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I've just downgrade xserver back to 2:1.17.3-2ubuntu4 (and the
input/video drivers to compatible previous versions) and no longer see
this bug on kernel 4.4.0-13-generic
** Also affects: xorg-server (Ubuntu)
Importance: Undecided
Status: New
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Confirmed still occuring on both 4.4.3 and 4.4.4
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https://bugs.launchpad.net/bugs/1555434
Title:
Black screen/system lockup on 4.4.0-11
Status in linux package in Ubuntu:
I've just tested again with 4.4.0-10-generic and 4.4.0-9-generic, and
those kernels are seeing the same issue. Perhaps this is a bug in X,
not the kernel? Let me know if you still want me to test 4.4.3/4.4.4.
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Same thing on v4.5-wily, although when X died it spit me into a text
login console instead of a completely unrecoverable blank screen
** Tags added: kernel-bug-exists-upstream
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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** Attachment added: "journalctrl plugging in on v4.5"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1555434/+attachment/4598822/+files/4.5plug
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** Attachment added: "journalctrl when unplugging monitor"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1555434/+attachment/4598801/+files/unplugfail
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Still seeing this on 4.4.0-12, will test the latest v4.5 kernel next.
attaching journalctl from 2 tests: one unplugging the external monitor,
and one plugging it in. both failed in the same apparent way --
unrecoverable black screen (although when holding the power button down,
the plymouth
** Attachment added: "journalctrl when plugging in monitor"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1555434/+attachment/4598800/+files/pluginfail
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Public bug reported:
https://lists.ubuntu.com/archives/ubuntu-devel-
discuss/2016-March/016281.html references xenial freezing when plugging
in a 2nd monitor on a 2015 macbook pro. I'm seeing similar freezes when
_unplugging_ the 2nd monitor -- the screen turns black and everything is
Public bug reported:
I have a bluetooth mouse that I can get to connect via the gnome
bluetooth settings panel, but even after it's connected it doesn't move
the pointer or register any clicks.
the following shows up in the journal :
$ $ journalctl -b 0 |grep bluetooth
Feb 17 07:18:22 spiny
this is also in the bluetooth (not bluetooth-next) repo:
https://git.kernel.org/cgit/linux/kernel/git/bluetooth/bluetooth.git/commit/?id=22f8e9dbf671a2f36d90d3d8723a2a0c5227fa4b
, would it be possible to include in the wily kernel as a SAUCE patch at
this point?
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Still happens on 4.3 mainline. It's happened on every kernel I've used
on this machine, and feels related to bug #1493989 , though may not be.
** Tags added: kernel-bug-exists-upstream
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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Public bug reported:
Occasionally the screen will blank and all windows move from the
external monitor to the laptop monitor. Relatively immediately
afterward both screens re-enable, but the windows don't move back to the
external monitor.
This usually appears to be triggered by a specific
sudo wpa_cli suspend before suspend still leaves me unable to resume.
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https://bugs.launchpad.net/bugs/1487919
Title:
macbookrpro12,1 fails to suspend
Status in linux
there are not
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https://bugs.launchpad.net/bugs/1487919
Title:
macbookrpro12,1 fails to suspend
Status in linux package in Ubuntu:
Confirmed
Bug description:
I've
there are not
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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https://bugs.launchpad.net/bugs/1487919
Title:
macbookrpro12,1 fails to suspend
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