Package: xpra
Version: 0.12.3+dfsg-1
Severity: important
The current version of xpra looks rather broken to me. Trying to raise a window
yields to an unrecoverable error. Symptoms are that the first window is
displayed,
causing xpra to crash, and further windows remain black when they exist already,
or aren't displayed anymore at all, when they do not exist yet. The server
remains
stale, accepts connections but no windows are shown.
To reproduce, do on the server side (connect a client after the start):
$ xpra start :1
$ DISPLAY=:1 xmessage 'foo' // works, but causes the crash
Warning: Cannot convert string "vlines2" to type Pixmap
$ DISPLAY=:1 xmessage 'foo' // never shown
from the log:
2014-04-24 10:36:11,636 Handshake complete; enabling connection
2014-04-24 10:36:11,641 Python/Gtk2 Linux client version 0.12.3 connected from
'snowball' as 'arno' ('arno')
2014-04-24 10:36:11,642 client supplied an mmap_file: /tmp/xpra.16EDpx.mmap but
we cannot find it
2014-04-24 10:36:11,643 using h264 as primary encoding, also available: vp8,
rgb24, rgb32
2014-04-24 10:36:11,643 client root window size is 1600x900 with 1 displays:
2014-04-24 10:36:11,643 ':0.0' (423x238 mm) workarea: 1600x850
2014-04-24 10:36:11,643 LVDS1 (310x174 mm)
2014-04-24 10:36:11,645 server virtual display now set to 1600x900
2014-04-24 10:36:11,646 setting key repeat rate from client: 300ms delay / 20ms
interval
2014-04-24 10:36:11,647 setting keymap: rules=evdev, model=thinkpad60,
layout=de,us
The XKEYBOARD keymap compiler (xkbcomp) reports:
> Warning: Type "ONE_LEVEL" has 1 levels, but <RALT> has 2 symbols
> Ignoring extra symbols
Errors from xkbcomp are not fatal to the X server
2014-04-24 10:36:11,669 setting full keymap definition from client via xkbcomp
[swscaler @ 0x7f141c005380] 0x54 -> 0x54 is invalid scaling dimension
2014-04-24 10:36:16,431 setup_pipeline failed for (44, codec_spec(swscale),
'RGB', codec_spec(x264))
Traceback (most recent call last):
File "/usr/lib/python2.7/dist-packages/xpra/server/window_video_source.py",
line 1051, in setup_pipeline
enc_width, enc_height, enc_in_format, csc_speed)
File "colorspace_converter.pyx", line 316, in
xpra.codecs.csc_swscale.colorspace_converter.ColorspaceConverter.init_context
(xpra/codecs/csc_swscale/colorspace_converter.c:4321)
AssertionError: sws_getContext returned NULL
The problem seems to be specific to the H.264 codec (which is the default).
Starting the client with
$ xpra attach --encoding=vp8 ...
seems to workaround the problem, however. That being said using VP8 fills the
log
with:
2014-04-24 10:42:51,594 error processing damage data: BUG: no encoder not found
for rgb
Traceback (most recent call last):
File "/usr/lib/python2.7/dist-packages/xpra/server/source.py", line 1578, in
data_to_packet
encode_and_queue()
File "/usr/lib/python2.7/dist-packages/xpra/server/window_source.py", line
890, in make_data_packet_cb
packet = self.make_data_packet(*data)
File "/usr/lib/python2.7/dist-packages/xpra/server/window_source.py", line
1109, in make_data_packet
raise Exception("BUG: no encoder not found for %s" % coding)
Exception: BUG: no encoder not found for rgb
... though that seems harmless.
-- System Information:
Debian Release: jessie/sid
APT prefers unstable
APT policy: (500, 'unstable')
Architecture: amd64 (x86_64)
Foreign Architectures: i386
Kernel: Linux 3.13-1-amd64 (SMP w/4 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Versions of packages xpra depends on:
ii libavcodec54 6:9.11-3+b2
ii libavutil52 10:2.1.3-dmo1
ii libc6 2.18-4
ii libgtk2.0-0 2.24.23-1
ii libswscale2 10:2.1.3-dmo1
ii libvpx1 1.3.0-2
ii libx11-6 2:1.6.2-1
ii libx264-142 2:0.142.2389+git956c8d8-4
ii libxcomposite1 1:0.4.4-1
ii libxdamage1 1:1.1.4-1
ii libxext6 2:1.3.2-1
ii libxfixes3 1:5.0.1-1
ii libxrandr2 2:1.4.2-1
ii libxtst6 2:1.2.2-1
ii python 2.7.5-5
ii python-gtk2 2.24.0-3+b1
ii x11-xserver-utils 7.7+2
ii xserver-xorg-input-void 1:1.4.0-1+b3
ii xserver-xorg-video-dummy 1:0.3.7-1+b2
Versions of packages xpra recommends:
ii openssh-client 1:6.6p1-3
ii python-avahi 0.6.31-4
ii python-gtkglext1 1.1.0-9.1
ii python-imaging 2.3.0-2
ii python-netifaces 0.8-3+b1
ii python-webm 0.2.2-3
ii ssh-askpass 1:1.2.4.1-9
Versions of packages xpra suggests:
ii gstreamer0.10-plugins-bad 0.10.23-7.2
ii gstreamer0.10-plugins-good 0.10.31-3+nmu2
ii openssh-server 1:6.6p1-3
pn pulseaudio <none>
pn pulseaudio-utils <none>
ii python-dbus 1.2.0-2+b2
pn python-gst0.10 <none>
pn python-pyopencl <none>
-- no debconf information
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