Public bug reported:
I just upgraded a netbook system from 12.10 to 13.04, which reports
version 3.8.0 for vinagre. Because the netbook screen is small
(1024x600), I turn on "scaling" using the button which is labelled "Fits
the remote screen into current window size". Once scaling is turned on,
screen updates start messing up, particularly updates to the top bar,
which tend to be drawn about a dozen pixels too low and about two dozen
too far to the right. When switching applications between, say firefox
and vinagre, when I return to vinagre, I find vinagre has an entire
screen update drawn in this shifted position, which then gets partially
updated in the correct position as I drag the mouse pointer across the
screen, except for the top bar which continues to get drawn out of
place.
When I turn scaling off, the display updates correctly, but of course
there are scrolling bars that need to manipulated to see then entire
remote screen. I get correct results when using remmina, including for
scaled displays.
This bug is new to 13.04 - I didn't have this problem in 12.10. The
system uses no proprietary display drivers (such as the NVidia or ATI
drivers for which Xdamage handling has been a problem in the past) - the
netbook has the Intel 945GSE graphics controller.
Here's the output from lspci:
00:00.0 Host bridge: Intel Corporation Mobile 945GSE Express Memory Controller
Hub (rev 03)
00:02.0 VGA compatible controller: Intel Corporation Mobile 945GSE Express
Integrated Graphics Controller (rev 03)
00:02.1 Display controller: Intel Corporation Mobile 945GM/GMS/GME, 943/940GML
Express Integrated Graphics Controller (rev 03)
00:1b.0 Audio device: Intel Corporation NM10/ICH7 Family High Definition Audio
Controller (rev 02)
00:1c.0 PCI bridge: Intel Corporation NM10/ICH7 Family PCI Express Port 1 (rev
02)
00:1c.1 PCI bridge: Intel Corporation NM10/ICH7 Family PCI Express Port 2 (rev
02)
00:1c.2 PCI bridge: Intel Corporation NM10/ICH7 Family PCI Express Port 3 (rev
02)
00:1d.0 USB controller: Intel Corporation NM10/ICH7 Family USB UHCI Controller
#1 (rev 02)
00:1d.1 USB controller: Intel Corporation NM10/ICH7 Family USB UHCI Controller
#2 (rev 02)
00:1d.2 USB controller: Intel Corporation NM10/ICH7 Family USB UHCI Controller
#3 (rev 02)
00:1d.3 USB controller: Intel Corporation NM10/ICH7 Family USB UHCI Controller
#4 (rev 02)
00:1d.7 USB controller: Intel Corporation NM10/ICH7 Family USB2 EHCI Controller
(rev 02)
00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev e2)
00:1f.0 ISA bridge: Intel Corporation 82801GBM (ICH7-M) LPC Interface Bridge
(rev 02)
00:1f.1 IDE interface: Intel Corporation 82801G (ICH7 Family) IDE Controller
(rev 02)
00:1f.2 SATA controller: Intel Corporation 82801GBM/GHM (ICH7-M Family) SATA
Controller [AHCI mode] (rev 02)
00:1f.3 SMBus: Intel Corporation NM10/ICH7 Family SMBus Controller (rev 02)
01:00.0 Ethernet controller: Atheros Communications Inc. AR242x / AR542x
Wireless Network Adapter (PCI-Express) (rev 01)
03:00.0 Ethernet controller: Qualcomm Atheros AR8132 Fast Ethernet (rev c0)
Here's the output from xdpyinfo:
name of display: :0
version number: 11.0
vendor string: The X.Org Foundation
vendor release number: 11303000
X.Org version: 1.13.3
maximum request size: 16777212 bytes
motion buffer size: 256
bitmap unit, bit order, padding: 32, LSBFirst, 32
image byte order: LSBFirst
number of supported pixmap formats: 7
supported pixmap formats:
depth 1, bits_per_pixel 1, scanline_pad 32
depth 4, bits_per_pixel 8, scanline_pad 32
depth 8, bits_per_pixel 8, scanline_pad 32
depth 15, bits_per_pixel 16, scanline_pad 32
depth 16, bits_per_pixel 16, scanline_pad 32
depth 24, bits_per_pixel 32, scanline_pad 32
depth 32, bits_per_pixel 32, scanline_pad 32
keycode range: minimum 8, maximum 255
focus: window 0x4600006, revert to Parent
number of extensions: 28
BIG-REQUESTS
Composite
DAMAGE
DOUBLE-BUFFER
DPMS
DRI2
GLX
Generic Event Extension
MIT-SCREEN-SAVER
MIT-SHM
RANDR
RECORD
RENDER
SECURITY
SGI-GLX
SHAPE
SYNC
X-Resource
XC-MISC
XFIXES
XFree86-DGA
XFree86-VidModeExtension
XINERAMA
XInputExtension
XKEYBOARD
XTEST
XVideo
XVideo-MotionCompensation
default screen number: 0
number of screens: 1
screen #0:
dimensions: 1024x600 pixels (270x158 millimeters)
resolution: 96x96 dots per inch
depths (7): 24, 1, 4, 8, 15, 16, 32
root window id: 0x7f
depth of root window: 24 planes
number of colormaps: minimum 1, maximum 1
default colormap: 0x22
default number of colormap cells: 256
preallocated pixels: black 0, white 16777215
options: backing-store NO, save-unders NO
largest cursor: 64x64
current input event mask: 0x7bc03f
KeyPressMask KeyReleaseMask ButtonPressMask
ButtonReleaseMask EnterWindowMask LeaveWindowMask
KeymapStateMask ExposureMask VisibilityChangeMask
StructureNotifyMask SubstructureNotifyMask SubstructureRedirectMask
FocusChangeMask PropertyChangeMask
number of visuals: 12
default visual id: 0x20
visual:
visual id: 0x20
class: TrueColor
depth: 24 planes
available colormap entries: 256 per subfield
red, green, blue masks: 0xff0000, 0xff00, 0xff
significant bits in color specification: 8 bits
visual:
visual id: 0x21
class: DirectColor
depth: 24 planes
available colormap entries: 256 per subfield
red, green, blue masks: 0xff0000, 0xff00, 0xff
significant bits in color specification: 8 bits
visual:
visual id: 0x75
class: TrueColor
depth: 24 planes
available colormap entries: 256 per subfield
red, green, blue masks: 0xff0000, 0xff00, 0xff
significant bits in color specification: 8 bits
visual:
visual id: 0x76
class: TrueColor
depth: 24 planes
available colormap entries: 256 per subfield
red, green, blue masks: 0xff0000, 0xff00, 0xff
significant bits in color specification: 8 bits
visual:
visual id: 0x77
class: TrueColor
depth: 24 planes
available colormap entries: 256 per subfield
red, green, blue masks: 0xff0000, 0xff00, 0xff
significant bits in color specification: 8 bits
visual:
visual id: 0x78
class: TrueColor
depth: 24 planes
available colormap entries: 256 per subfield
red, green, blue masks: 0xff0000, 0xff00, 0xff
significant bits in color specification: 8 bits
visual:
visual id: 0x79
class: DirectColor
depth: 24 planes
available colormap entries: 256 per subfield
red, green, blue masks: 0xff0000, 0xff00, 0xff
significant bits in color specification: 8 bits
visual:
visual id: 0x7a
class: DirectColor
depth: 24 planes
available colormap entries: 256 per subfield
red, green, blue masks: 0xff0000, 0xff00, 0xff
significant bits in color specification: 8 bits
visual:
visual id: 0x7b
class: DirectColor
depth: 24 planes
available colormap entries: 256 per subfield
red, green, blue masks: 0xff0000, 0xff00, 0xff
significant bits in color specification: 8 bits
visual:
visual id: 0x7c
class: DirectColor
depth: 24 planes
available colormap entries: 256 per subfield
red, green, blue masks: 0xff0000, 0xff00, 0xff
significant bits in color specification: 8 bits
visual:
visual id: 0x7d
class: DirectColor
depth: 24 planes
available colormap entries: 256 per subfield
red, green, blue masks: 0xff0000, 0xff00, 0xff
significant bits in color specification: 8 bits
visual:
visual id: 0x5c
class: TrueColor
depth: 32 planes
available colormap entries: 256 per subfield
red, green, blue masks: 0xff0000, 0xff00, 0xff
significant bits in color specification: 8 bits
lsb_release -rd:
Description: Ubuntu 13.04
Release: 13.04
apt-cache policy vinagre:
vinagre:
Installed: 3.8.0-1
Candidate: 3.8.0-1
Version table:
*** 3.8.0-1 0
500 http://archive.ubuntu.com/ubuntu/ raring/universe i386 Packages
100 /var/lib/dpkg/status
** Affects: vinagre (Ubuntu)
Importance: Undecided
Status: New
** Tags: 13.04 regression
** Attachment added: "Screen shot showing "double vision" from shifted updates
when using scaling."
https://bugs.launchpad.net/bugs/1173403/+attachment/3655403/+files/Screenshot%20from%202013-04-26%2015%3A30%3A57.png
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https://bugs.launchpad.net/bugs/1173403
Title:
screen remote screen update errors when scaling turned on - new bug
for 13.04
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