** Changed in: xorg-server
Status: Confirmed => Fix Released
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https://bugs.launchpad.net/bugs/635523
Title:
Xephyr crashed with SIGSEGV
To manage notifications
Sebastian Heinlein, this bug was reported a while ago and there hasn't
been any activity in it recently. We were wondering if this is still an
issue? If so, could you please test for this with the latest development
release of Ubuntu? ISO images are available from
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https://bugs.freedesktop.org/show_bug.cgi?id=32765.
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Seeing this problem in Natty. Ajax's patch works for me, although
needing the following modifications in Natty due to the KdScreenInfo
data structure definition changing -
screen-fb[0].depth
screen-fb[0].bitsPerPixel
should be:
screen-fb.depth
screen-fb.bitsPerPixel
Xephyr would not launch
** Changed in: xorg-server (Ubuntu)
Status: New = Triaged
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https://bugs.launchpad.net/bugs/635523
Title:
Xephyr crashed with SIGSEGV
** Changed in: xorg-server
Importance: Unknown = Medium
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https://bugs.launchpad.net/bugs/635523
Title:
Xephyr crashed with SIGSEGV
** Changed in: xorg-server
Status: Unknown = Confirmed
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https://bugs.launchpad.net/bugs/635523
Title:
Xephyr crashed with SIGSEGV
The segfault occurs because Xephyr's attempt to bgfill its client-facing
root window writes past the end of the window's image data buffer.
The write fails because Xephyr's hostx_screen_init() function is
requesting an image data buffer which is too small.
The image data buffer is too small
Bug reported upstream:
https://bugs.freedesktop.org/show_bug.cgi?id=32765
** Bug watch added: freedesktop.org Bugzilla #32765
http://bugs.freedesktop.org/show_bug.cgi?id=32765
** Also affects: xorg-server via
http://bugs.freedesktop.org/show_bug.cgi?id=32765
Importance: Unknown
This bug is really ticking me off because it completely breaks sugar-
emulator. Therefore, in the interests of helping to get it fixed, here's
a simplified test case, a better stack trace, a core dump, and materials
for building a -dbg package for xserver-xephyr.
** Attachment added: analysis
** Visibility changed to: Public
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Xephyr crashed with SIGSEGV
https://bugs.launchpad.net/bugs/635523
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