Comment 3 for bug 1582687

Dantali0n (dantalion) wrote :

Just did a complete fresh install of ubuntu 16.04 X64.

performed sudo apt-get update & upgrade.
installed gnome-session-flashback apache2 mysql-server mysql-workbench (in that order).
launched mysql-workbench.
opened the default connection and entered mysql root password.
crash and returned to login screen (some message about 'priv hub0' appeared very shortly).

This are some lines from kern.log which stood out to me:
May 19 19:50:04 c2c gnome-session-binary[23888]: Entering running state
May 19 19:50:24 c2c kernel: [ 903.012513] traps: metacity[23936] trap int3 ip:7f133f9809eb sp:7fff8b63aaf0 error:0
May 19 19:50:26 c2c gnome-session-binary[23888]: Unrecoverable failure in required component metacity.desktop
May 19 19:50:27 c2c kernel: [ 905.649222] nouveau 0000:01:00.0: DRM: resuming kernel object tree...
May 19 19:50:27 c2c kernel: [ 905.649222] nouveau 0000:01:00.0: DRM: resuming kernel object tree...
May 19 19:50:27 c2c kernel: [ 905.752448] nouveau 0000:01:00.0: priv: HUB0: 10ecc0 ffffffff (1b40822c)
May 19 19:50:27 c2c kernel: [ 905.797314] nouveau 0000:01:00.0: DRM: resuming client object trees...
May 19 19:50:32 c2c kernel: [ 910.796784] ACPI Warning: \_SB_.PCI0.PEG0.PEGP._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20150930/nsarguments-95)
May 19 19:50:32 c2c kernel: [ 910.796914] ACPI: \_SB_.PCI0.PEG0.PEGP: failed to evaluate _DSM
May 19 19:50:32 c2c kernel: [ 910.796919] ACPI Warning: \_SB_.PCI0.PEG0.PEGP._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20150930/nsarguments-95)
May 19 19:50:32 c2c kernel: [ 910.797104] nouveau 0000:01:00.0: DRM: evicting buffers...
May 19 19:50:32 c2c kernel: [ 910.797107] nouveau 0000:01:00.0: DRM: waiting for kernel channels to go idle...
May 19 19:50:32 c2c kernel: [ 910.797125] nouveau 0000:01:00.0: DRM: suspending client object trees...
May 19 19:50:32 c2c kernel: [ 910.798520] nouveau 0000:01:00.0: DRM: suspending kernel object tree...
May 19 19:50:41 c2c gnome-session-binary[24633]: Entering running state