+1 confirm.
Adding "intel_iommu=off" to grub fixes the flickering for me!
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https://bugs.launchpad.net/bugs/1958191
Title:
[i915] Screen flickering in Ubuntu 22.04 (until i
EDIT: "nouveau.modeset=0" no spaces.
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https://bugs.launchpad.net/bugs/1757445
Title:
Suspend does not always resume
Status in linux package in Ubuntu:
Confirmed
Status i
I noticed the existence of this error during the boot: "nouveau : 01: 00.0:
bus: MMIO read of FAULT at 612004 [IBUS]".
So I decided to search and found a suggestion to include the following
parameter in the kernel command line "nouveau.modeset = 0". So I decided to
test it and immed
I have been testing the Kernel 4.16.0 for two days, so far suspend and resume
has been working without hanging
However, whenever I suspend and resume, at least once, when I try to shut down
the system hangs and only accepts REISUB or forced shutdown.
Besides that, I lost the functionality of urea
Please disregard comment # 7, I celebrated too early. After some time the
problem returned.
I am currently testing the 4.16 kernel (0). In a few days I will post some
results.
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After some tests I discovered that, in my case, the locking is related to
wireless. By disabling the wireless network the problem disappears, it suspends
and returns normally.
So, as a test, I deactivated the power saving, as suggested in the link
"https://gist.github.com/jcberthon/ea8cfe2789989
Same fault with Dell Inspiron 5557. On resume it takes about 4 seconds
and then the lock screen appears, when trying to unlock it accepts four
to five digits and then hangs completely (nor REISUB works). The only
option is manually power off.
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Finally after upgrading today to Ubuntu Kernel 4.4.0-28.47, equivalent
to Mainline Kernel 4.4.13, suspend/resume works out of the box, no
special kernel parameters nor rc.local commands needed.
ATI discrete graphics starts DinOff but can be used when desired.
DRI_PRIME=1 glxinfo | grep "OpenGL re
Finally after upgrading today to Ubuntu Kernel 4.4.0-28.47, equivalent
to Mainline Kernel 4.4.13, suspend/resume works out of the box, no
special kernel parameters nor rc.local commands needed.
ATI discrete graphics starts DinOff but can be used when desired.
DRI_PRIME=1 glxinfo | grep "OpenGL re
Testing longer I also noticed that using "radeon.modeset = 0" as an
option to the kernel does not disable the radeon video card, but only
disables access to it, which remains energized, consuming more battery,
warming over the computer and activating the fan.
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Testing longer I also noticed that using "radeon.modeset = 0" as an
option to the kernel does not disable the radeon video card, but only
disables access to it, which remains energized, consuming more battery,
warming over the computer and activating the fan.
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That workaround really works, I also have tested, and can confirm for
the Inspiron 15R 5537.
However this completely disables the Radeon video card and the
vgaswitcheroo... "/sys/kernel/debug/vgaswitcheroo/switch: File or
directory not found." So you can not use the dgpu for 3D applications
and/or
That workaround really works, I also have tested, and can confirm for
the Inspiron 15R 5537.
However this completely disables the Radeon video card and the
vgaswitcheroo... "/sys/kernel/debug/vgaswitcheroo/switch: File or
directory not found." So you can not use the dgpu for 3D applications
and/or
I give up! People do not want to fix this BUG.
Now I understand the reason for title change and requests to make a report for
each hardware, it is simply to spread various reports, reduce the number of
people affected and not fixate on any of them.
Probably what causes failure is a change which
Ismail, I can do that, but I believe it will not be useful. It seems to
me that the fault is being introduced in the switchover process from
Mainline kernel to Ubuntu Kernel and affects many different hardwares.I
am sure that once the problem is solved it will be solved for most of
the affected har
I've tested Mainline Kernels (Xenial) 4.4.8, 4.4.9, 4.4.10, 4.4.11,
4.4.12 and 4.4.13, all these works flawlessly suspend and resume a lot
os times with no errors. Mainline (Xenial) 4.4.8 works but lasts too
much time to suspend.
None of the Kernels in Ubuntu Xenial Repository worked.
Dell Inspir
Done,
Thank you Ismail!
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https://bugs.launchpad.net/bugs/1566302
Title:
Ubuntu 16.04: Suspend freezes the system after upgrade to linux image
4.4.0-16
Status in linux p
Currently tested with LTS mainline kernels 4.4.9, 4.4.10 and 4.4.11.
They all work with the ATI Radeon disabled with the command "echo" OFF "> / sys
/ kernel / debug / vgaswitcheroo / switch" on "/etc/rc.local" file.
Dell 15R Inpiron 5537.
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Looks like there is a duplicate:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1574125
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Title:
Ubuntu 16.04: Suspend freezes
Strange raphael, I also have a Dell Inspiron 5537 and all works with Mainline
Kernel 4.4.9. I can suspend and hibernate lots of times with no problem!?!?
I think is related to ati radeon graphis card! I don't need it so I turn it off
in /etc/rc.local with the command "echo "OFF" >
/sys/kernel/de
Installing recent Kernel 4.4.9 also resolves the issue. Suspend and Hibernate
works.
Dell Inspiron 15R 5537.
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Title:
Ubuntu 16.04:
Forgive me because I made a big mess, in fact I own a Dell Vostro, but
it is not 3555 but 5537. Anyway may be that the previous comment helps
...
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After observing a lot I noticed that alongside with the intermittent
failure also had an error message "PM: Device 00:06 failed to resume:
error -19" that always appeared for a second before hibernate/suspend.
Furthermore sometimes the desktop have returned and whenever I moved the mouse
(touchpa
Sorry, I celebrated too soon. Today I had disconnections again. Returning to
the "brcmsmac" driver. It seems that the wpa-supplicant and the wl driver does
not like each other...
When disconnects there is a system tray message that says the wpa-supplicant
lost authentication.
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After last kernel update (3.13.0-30-generic) I installed again the
proprietary driver (wl), but this time using a terminal: "sudo apt-get
install kernel-source-bcmwl" and there are already two days the wireless
network does not drop.
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Two days ago I uninstalled the Broadcom (bcmwl-kernel-source package) driver
and since then using "open source" driver (brcmsmac) the wireless network no
longer drop.
So it seems that this confirms, at least in the case of Broadcom, that the
failure is in the driver.
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My suspicions were wrong, I installed and tested the WICD and the same symptoms
occurred, with the difference that the WICD automatically reconnected without
asking me the password for the wireless network.
I'll try to make some more tests, maybe compile the driver downloaded directly
from Broa
I have the same symptom, but with Broadcom wireless card and fresh
install of Kubuntu. Tried also Mint 17, same behavior.
ivan@cerebro:~$ uname -a
Linux cerebro 3.13.0-27-generic #50-Ubuntu SMP Thu May 15 18:06:16 UTC 2014
x86_64 x86_64 x86_64 GNU/Linux
ivan@cerebro:~$ cat /proc/version
Linux ve
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