[Bug 1586539] Re: Major screen flickering in Chromium and Google Chrome

[Jacob Doherty]

The Xorg team people believe they have resolved this now:

https://bugs.freedesktop.org/show_bug.cgi?id=94987


commit 7aa6ca61ee5546d74b76610894924cdb0d4a1af0
Author: Chris Wilson 
Date:   Mon Nov 7 16:52:04 2016 +

drm/i915: Mark CPU cache as dirty when used for rendering

No idea of the release / version this has been resolved in though - and
guessing the Ubuntu 16.04 packages won't be carrying the very latest
commits and releases.

Any chance the Ubuntu package maintainers can reach out to their
upstream to discuss and look at including?

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Title:
  Major screen flickering in Chromium and Google Chrome

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[Bug 1653295] Re: [Acer Chromebook 11 C730] Chromium and Chrome flickering

[Jacob Doherty]

Yes it definitely is the same issue as described in that bug - I feel
Christopher above requested that a new issue was created to track the
specific hardware separately.

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Title:
  [Acer Chromebook 11 C730] Chromium and Chrome flickering

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[Bug 1653295] Re: [Acer Chromebook 11 C730] Chromium and Chrome flickering

[Jacob Doherty]

Just to clarify, the bug is only reproducible within the chroot running
Ubuntu and the stable linux version of Chrome (not on the native
ChromeOS).

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  [Acer Chromebook 11 C730] Chromium and Chrome flickering

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[Bug 1599459] Re: cannot bootstrap from repositories without InRelease files when --debian-installer set

[Jacob Doherty]

I believe we may be striking this bug using crouton and running Ubuntu in a 
chroot.
See: https://github.com/dnschneid/crouton/issues/2966

For us it's likely upstream as crouton uses the latest debootstrap
release (not the ubuntu package) but guessing both are affected and
hoping the ubuntu package maintainers might be able to verify and raise
with their upstream.

The symptoms users are reporting are that the InRelease file does not
exist for precise/trusty, it will re-try several times and then stop -
seemingly not checking for a Release file.


** Bug watch added: github.com/dnschneid/crouton/issues #2966
   https://github.com/dnschneid/crouton/issues/2966

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[Bug 1586539] Re: Major screen flickering in Chromium and Google Chrome

[Jacob Doherty]

One thing I found during troubleshooting - for my hardware at least the
fix in #8:

Section "Device"
   Identifier "Intel Graphics"
   Driver "intel"
   Option "AccelMethod" "sna"
   Option "TearFree" "true"
   Option "DRI" "3"
EndSection

For me adding the Option "DRI" "3 line caused Chrome to begin locking up
when right clicking on pages (the menu would begin to display then
Chrome would freeze requiring it to be killed - I think it was also
causing issues with Xorg / Unity as the desktop itself would not be
responsive at the time.

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  Major screen flickering in Chromium and Google Chrome

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[Bug 1653295] Re: Chromium and Chrome flickering

[Jacob Doherty]

Hi Christopher,

Thanks for taking a look into this issue - I've completed some
troubleshooting based on your suggestions and have some more information
that I hope is useful.

I'm running a Chromebook using crouton to run Ubuntu in a chroot.

1. Unfortunately I'm not able to install anything other than a stable
LTS on the hardware that exhibits the issue.

2. Removing the xserver-xorg-video-intel package and the conf file
appears to have either resolved the issue or decreased it to the point
where it is not currently noticeable. I've been running it for a day or
so - will update if the issue occurs again.

3. Using UXA appeared to decrease the frequency of the issue similar to
the above - however overall performance did suffer with rendering of
pages slower, and I believe worse performance in Unity.

4. The issue has occurred across all the Chrome releases I've installed on this 
hardware (around the last two months) and occurs with the latest stable Chrome 
release as well.
It was present with both xenial 16.04 and 16.04.1 releases.

5. It's an Acer Chromebook 11 - C730

6. Due to running on a Chromebook I'm not able to recompile the kernel -
however the issue has occurred across multiple stable ChromeOS releases
(from the last two months since this hardware has been running).

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Title:
  Chromium and Chrome flickering

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[Bug 1653295] [NEW] Chromium and Chrome flickering (SNA Xorg issues)

[Jacob Doherty]

Public bug reported:

This is additional debug information as requested for this bug:

https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-
intel/+bug/1586539


Ubuntu 16.04.1 (xenial)
Chrome 55.0.2883.87
Kernel: 3.10.18

X.Org X Server 1.18.4
xorg-server 2:1.18.4-0ubuntu0.2
Current version of pixman: 0.33.6

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: xorg 1:7.7+13ubuntu3
Uname: Linux 3.10.18 x86_64
.tmp.unity_support_test.0:
 
ApportVersion: 2.20.1-0ubuntu2.4
Architecture: amd64
CompizPlugins: No value set for 
`/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: compiz
CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0'
CompositorUnredirectFSW: true
Date: Sat Dec 31 11:19:59 2016
DistUpgraded: Fresh install
DistroCodename: xenial
DistroVariant: ubuntu
ExtraDebuggingInterest: Yes
GraphicsCard:
 Intel Corporation Atom Processor Z36xxx/Z37xxx Series Graphics & Display 
[8086:0f31] (rev 0e) (prog-if 00 [VGA controller])
   Subsystem: Intel Corporation Atom Processor Z36xxx/Z37xxx Series Graphics & 
Display [8086:0f31]
Lsusb:
 Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
 Bus 001 Device 004: ID 8087:07dc Intel Corp. 
 Bus 001 Device 007: ID 04f2:b490 Chicony Electronics Co., Ltd 
 Bus 001 Device 002: ID 046d:c534 Logitech, Inc. Unifying Receiver
 Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: GOOGLE Gnawty
ProcEnviron:
 TERM=xterm-256color
 PATH=(custom, no user)
 LANG=en_NZ.UTF-8
 SHELL=/bin/bash
ProcKernelCmdLine: cros_secure console= loglevel=7 init=/sbin/init cros_secure 
oops=panic panic=-1 root=/dev/dm-0 rootwait ro dm_verity.error_behavior=3 
dm_verity.max_bios=-1 dm_verity.dev_wait=1 dm="1 vroot none ro 1,0 2539520 
verity payload=PARTUUID=f32d8bfa-395b-d240-bbf7-eb409533babd/PARTNROFF=1 
hashtree=PARTUUID=f32d8bfa-395b-d240-bbf7-eb409533babd/PARTNROFF=1 
hashstart=2539520 alg=sha1 
root_hexdigest=5fb151de5f21d1172e6c0f68e3f1f582c083a5cd 
salt=4ce7adaeb24ff98d94fb9bff36a65ac39b743a9ecca5390ad010972810c5697a" noinitrd 
vt.global_cursor_default=0 kern_guid=f32d8bfa-395b-d240-bbf7-eb409533babd 
add_efi_memmap boot=local noresume noswap i915.modeset=1 tpm_tis.force=1 
tpm_tis.interrupts=0 nmi_watchdog=panic,lapic
SourcePackage: xorg
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 08/16/2015
dmi.bios.vendor: coreboot
dmi.bios.version: Google_Gnawty.5216.239.34
dmi.chassis.type: 3
dmi.chassis.vendor: GOOGLE
dmi.modalias: 
dmi:bvncoreboot:bvrGoogle_Gnawty.5216.239.34:bd08/16/2015:svnGOOGLE:pnGnawty:pvr1.0:cvnGOOGLE:ct3:cvr:
dmi.product.name: Gnawty
dmi.product.version: 1.0
dmi.sys.vendor: GOOGLE
version.compiz: compiz 1:0.9.12.2+16.04.20160823-0ubuntu1
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.67-1ubuntu0.16.04.2
version.libgl1-mesa-dri: libgl1-mesa-dri 11.2.0-1ubuntu2.2
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 11.2.0-1ubuntu2.2
version.xserver-xorg-core: xserver-xorg-core 2:1.18.4-0ubuntu0.2
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.10.1-1ubuntu2
version.xserver-xorg-video-ati: xserver-xorg-video-ati N/A
version.xserver-xorg-video-intel: xserver-xorg-video-intel 
2:2.99.917+git20160325-1ubuntu1.2
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau N/A

** Affects: xorg (Ubuntu)
 Importance: Undecided
 Status: New


** Tags: amd64 apport-bug compiz-0.9 ubuntu xenial

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Title:
  Chromium and Chrome flickering (SNA Xorg issues)

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[Bug 1586539] Re: Major screen flickering in Chromium and Google Chrome

[Jacob Doherty]

Just some updated information that I hope is useful. This issue is still 
occurring.
I understand it may be fixed going forward from 16.10 but I know 16.04 LTS will 
be around for a long time! 

Any chance Ubuntu Xorg package maintainers can reach out to their
upstream?

See these bugs for more info as well:
Chromium Bug here: https://bugs.chromium.org/p/chromium/issues/detail?id=606152
Freedesktop Bug here: https://bugs.freedesktop.org/show_bug.cgi?id=94987

I can replicate with:

Ubuntu 16.04.1 (xenial)
Chrome 55.0.2883.87
Kernel: 3.10.18

X.Org X Server 1.18.4
xorg-server 2:1.18.4-0ubuntu0.2 
Current version of pixman: 0.33.6

MESA info:

Extended renderer info (GLX_MESA_query_renderer):
Vendor: Intel Open Source Technology Center (0x8086)
Device: Mesa DRI Intel(R) Bay Trail  (0xf31)
Version: 11.2.0
Accelerated: yes
Video memory: 1536MB
Unified memory: yes
Preferred profile: core (0x1)
Max core profile version: 3.3
Max compat profile version: 3.0
Max GLES1 profile version: 1.1
Max GLES[23] profile version: 3.0


Related package information:

http://pastebin.com/6A5ebWTJ


Video information:

 *-display   
   description: VGA compatible controller
   product: Atom Processor Z36xxx/Z37xxx Series Graphics & Display
   vendor: Intel Corporation
   physical id: 2
   bus info: pci@:00:02.0
   version: 0e
   width: 32 bits
   clock: 33MHz
   capabilities: pm msi vga_controller bus_master cap_list rom
   configuration: driver=i915 latency=0
   resources: irq:104 memory:d000-d03f memory:c000-cfff 
ioport:1000(size=8)

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Title:
  Major screen flickering in Chromium and Google Chrome

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[Bug 1599459] Re: cannot bootstrap from repositories without InRelease files when --debian-installer set

[Jacob Doherty]

** Bug watch added: Debian Bug tracker #829725
   http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=829725

** Also affects: debootstrap (Debian) via
   http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=829725
   Importance: Unknown
   Status: Unknown

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  cannot bootstrap from repositories without InRelease files when
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