Unfortunately the stack trace is invalid - perhaps the crash is in the tegra driver and so symbols aren't being shown because it is proprietary closed source code.
The Xorg.0.log.old has one hint:
[ 1219.331] (WW) TEGRA(0): LVDS-1: Error querying display modes: No such device.
[ 1362.827] (WW) TEGRA(0): LVDS-1: Error querying display modes: No such device.
[ 1575.289] (EE)
[ 1575.291] (EE) Backtrace:
[ 1575.296] (EE)
[ 1575.296] (EE) Segmentation fault at address 0x70
[ 1575.298]
Fatal server error:
[ 1575.298] Caught signal 11 (Segmentation fault). Server aborting
Unfortunately the stack trace is invalid - perhaps the crash is in the tegra driver and so symbols aren't being shown because it is proprietary closed source code.
The Xorg.0.log.old has one hint:
[ 1219.331] (WW) TEGRA(0): LVDS-1: Error querying display modes: No such device.
[ 1362.827] (WW) TEGRA(0): LVDS-1: Error querying display modes: No such device.
[ 1575.289] (EE)
[ 1575.291] (EE) Backtrace:
[ 1575.296] (EE)
[ 1575.296] (EE) Segmentation fault at address 0x70
[ 1575.298]
Fatal server error:
[ 1575.298] Caught signal 11 (Segmentation fault). Server aborting
Address 0x70 looks like an invalid pointer.