There's been some changes in Ubuntu's xserver recently for input device
handling. (That's where the massive idiocy on my part about the
-synaptics stuff earlier came from). That bug led to crashes when input
devices were enabled/disabled and synaptics was in use, so I assumed
that's all that was going on. However, that bug's fixed, and plus
you're not using synaptics.
Thanks for collecting the more detailed backtrace. When you get a
chance please also attach your full /etc/X11/xorg.conf and
/var/log/Xorg.0.log. The output of `xinput list` might also be
relevant.
The code is crashing in VAuditF, with this code:
VAuditF(const char *f, va_list args)
...
len = vsnprintf(buf, sizeof(buf), f, args);
According to your trace, the f parameter being passed in is invalid:
#4 VAuditF (f=0xb <Address 0xb out of bounds>, args=0xb72e1318
"Segmentation fault") at ../../os/log.c:517
0xb certainly doesn't look like a valid pointer. It is curious what
call #5 was. Maybe try installing xserver-xorg-input-evdev-dev?
More troubling is that the thing it was trying to print out is
"Segmentation fault", which means this crash is occurring while trying
to handle another crash, so the real problem is hidden.
--
You received this bug notification because you are a member of Ubuntu-X,
which is subscribed to xserver-xorg-input-evdev in Ubuntu.
https://bugs.launchpad.net/bugs/939023
Title:
X server crashes when evdev is enabled
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-input-evdev/+bug/939023/+subscriptions
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