Package: wdm
Version: 1.28-3.1
Severity: important
To be specific, /usr/bin/wdmLogin segfaults.
See symptoms described in this bugreport against xserver-xorg:
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=547143#15
...and especially this bit:
> It's only when I use wdm that everything goes haywire. My first ten
> tries go like this:
> * wdmLogin seems happy then segfaults halfway through launching a
> session, spewing some really strange syslog messages.
> * Works perfectly.
> * Works perfectly.
> * An amusing failure mode where my attempt to enter a username
> results in it doing that "shaking the box to indicate a
> wrong password" thing that gets more and more frenzied until
> it crashes.
> * Works except that it doesn't recognise the Enter key. Useless.
> Where's my goddamn Ctrl-Alt-Backspace?!
> * Works perfectly.
> * Works perfectly.
> * Segfaults on the middle letter of my username.
> * Logs me in rather slowly, but otherwise works.
> * Works perfectly.
Syslog is full of this sort of stuff:
Sep 17 19:16:12 xan wdm: (EE) MGA(0): [drm] Could not boot-strap DMA (-16)
Sep 17 19:16:12 xan wdm: SELinux: Disabled on system, not enabling in X server
Sep 17 19:16:14 xan wdm: (EE) XKB: No components provided for device Virtual
core keyboard
Sep 17 19:16:14 xan wdm: /etc/X11/wdm/Xresources_0: 1:
/etc/X11/wdm/Xresources_0: Permission denied
Sep 17 19:16:14 xan wdm: /etc/X11/wdm/Xresources_0: 2: Syntax error: newline
unexpected
Sep 17 19:16:14 xan wdm: Cannot open config file. Using builtin defaults
Sep 17 19:16:14 xan wdm: wdmLogin warning: WINGs: could not load widget images
file: could not open file
Sep 17 19:16:17 xan kernel: wdmLogin[4810]: segfault at 33 ip b7f9ac43 sp
bfb4c53c error 4 in libX11.so.6.2.0[b7f0e000+118000]
Sep 17 19:16:17 xan xan : Greet: guarenteed_read error, UNMANAGE DISPLAY
Sep 17 19:16:17 xan xan : Greet: pipe read error with /usr/bin/wdmLogin
(xan is the hostname - I've no idea what's going on with the "xan
xan" messages talking about wdmLogin.)
This is a clean install of wdm with no config changes. The failures
occur less often (but still occasionally) when no special options
have been set in xorg.conf; and they don't occur at all with xdm or
startx. Just to be sure it wasn't my graphics drivers that were the
problem I switched out the Matrox Marvel in favour of an antique
S3ViRGE "graphic decelerator" card (and booted a standard Debian
kernel), but still:
Sep 17 20:18:11 xan xan : Greet: guarenteed_read error, UNMANAGE DISPLAY
Sep 17 20:18:11 xan kernel: [ 912.292884] wdmLogin[3826]: segfault at 33 ip
b7ee8c43 sp bfa5455c error 4 in libX11.so.6.2.0[b7e5c000+118000]
Sep 17 20:18:11 xan xan : Greet: pipe read error with /usr/bin/wdmLogin
(Further information is unlikely to be available for a while since
I'm retiring this machine.)
-- System Information:
Debian Release: squeeze/sid
APT prefers testing
APT policy: (500, 'testing'), (50, 'unstable')
Architecture: i386 (i586)
Kernel: Linux 2.6.30.custom
Locale: LANG=en_GB.UTF-8, LC_CTYPE=en_GB.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Versions of packages wdm depends on:
ii debconf [debconf-2.0] 1.5.27 Debian configuration management sy
ii libc6 2.9-25 GNU C Library: Shared libraries
ii libfontconfig1 2.6.0-4 generic font configuration library
ii libice6 2:1.0.5-1 X11 Inter-Client Exchange library
ii libpam-modules 1.0.1-10 Pluggable Authentication Modules f
ii libpam-runtime 1.0.1-10 Runtime support for the PAM librar
ii libpam0g 1.0.1-10 Pluggable Authentication Modules l
ii libsm6 2:1.1.1-1 X11 Session Management library
ii libwraster3 0.92.0-8.1 Shared libraries of Window Maker r
ii libx11-6 2:1.2.2-1 X11 client-side library
ii libxau6 1:1.0.4-2 X11 authorisation library
ii libxdmcp6 1:1.0.2-3 X11 Display Manager Control Protoc
ii libxext6 2:1.0.4-1 X11 miscellaneous extension librar
ii libxft2 2.1.13-3 FreeType-based font drawing librar
ii libxinerama1 2:1.0.3-2 X11 Xinerama extension library
ii libxmu6 2:1.0.4-2 X11 miscellaneous utility library
ii psmisc 22.8-1 utilities that use the proc file s
ii x11-apps 7.4+2 X applications
ii x11-common 1:7.4+4 X Window System (X.Org) infrastruc
ii x11-xserver-utils 7.4+2 X server utilities
ii xutils 1:7.4+4 X Window System utility programs m
wdm recommends no packages.
Versions of packages wdm suggests:
ii xfonts-base 1:1.0.0-6 standard fonts for X
-- debconf information:
* shared/default-x-display-manager: wdm
wdm/daemon_name: /usr/bin/wdm
--
JBR
Ankh kak! (Ancient Egyptian blessing)
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