Relevant portion of syslog from a crash on Linux 3.17: Apr 1 09:49:28 monster kernel: [ 10.722076] nouveau E[ PGRAPH][0000:01:00.0] HUB_INIT timed out Apr 1 09:49:28 monster kernel: [ 10.722082] nouveau E[ PGRAPH][0000:01:00.0] 409000 - done 0x00000240 Apr 1 09:49:28 monster kernel: [ 10.722087] nouveau E[ PGRAPH][0000:01:00.0] 409000 - stat 0x00000000 0x00000000 0x00000000 0x00000000 Apr 1 09:49:28 monster kernel: [ 10.722091] nouveau E[ PGRAPH][0000:01:00.0] 409000 - stat 0x00000000 0x00000000 0x00000006 0x00000001 Apr 1 09:49:28 monster kernel: [ 10.722094] nouveau E[ PGRAPH][0000:01:00.0] 502000 - done 0x00000300 Apr 1 09:49:28 monster kernel: [ 10.722100] nouveau E[ PGRAPH][0000:01:00.0] 502000 - stat 0x00000000 0x00008c00 0x00000000 0x00000000 Apr 1 09:49:28 monster kernel: [ 10.722106] nouveau E[ PGRAPH][0000:01:00.0] 502000 - stat 0x00000000 0x00000000 0x00000000 0x00000000 Apr 1 09:49:28 monster kernel: [ 10.722108] nouveau E[ PGRAPH][0000:01:00.0] 50a000 - done 0x00000300 Apr 1 09:49:28 monster kernel: [ 10.722114] nouveau E[ PGRAPH][0000:01:00.0] 50a000 - stat 0x00000000 0x00000000 0x00000000 0x00000000 Apr 1 09:49:28 monster kernel: [ 10.722120] nouveau E[ PGRAPH][0000:01:00.0] 50a000 - stat 0x00000000 0x00000000 0x00000000 0x00000000 Apr 1 09:49:28 monster kernel: [ 10.722122] nouveau E[ PGRAPH][0000:01:00.0] 512000 - done 0x00000300 Apr 1 09:49:28 monster kernel: [ 10.722128] nouveau E[ PGRAPH][0000:01:00.0] 512000 - stat 0x00000000 0x00000000 0x00000000 0x00000000 Apr 1 09:49:28 monster kernel: [ 10.722134] nouveau E[ PGRAPH][0000:01:00.0] 512000 - stat 0x00000000 0x00000000 0x00000000 0x00000000 Apr 1 09:49:28 monster kernel: [ 10.722136] nouveau E[ PGRAPH][0000:01:00.0] 51a000 - done 0x00000300 Apr 1 09:49:28 monster kernel: [ 10.722142] nouveau E[ PGRAPH][0000:01:00.0] 51a000 - stat 0x00000000 0x00000000 0x00000000 0x00000000 Apr 1 09:49:28 monster kernel: [ 10.722148] nouveau E[ PGRAPH][0000:01:00.0] 51a000 - stat 0x00000000 0x00000000 0x00000000 0x00000000 Apr 1 09:49:28 monster kernel: [ 10.722149] nouveau E[ PGRAPH][0000:01:00.0] init failed, -16 Apr 1 09:49:32 monster NetworkManager[930]: WiFi hardware radio set enabled Apr 1 09:49:35 monster kernel: [ 17.847450] ACPI Warning: \_SB_.PCI0.PEG0.PEGP._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20140724/nsarguments-95) Apr 1 09:49:35 monster kernel: [ 17.847791] ACPI: \_SB_.PCI0.PEG0.PEGP: failed to evaluate _DSM Apr 1 09:49:35 monster kernel: [ 17.847795] ACPI Warning: \_SB_.PCI0.PEG0.PEGP._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20140724/nsarguments-95) Apr 1 09:49:35 monster crontab[2536]: (root) LIST (root) Apr 1 09:49:36 monster ntpd[2608]: ntpd 4.2.6p5@1.2349-o Fri Feb 6 15:24:12 UTC 2015 (1) Apr 1 09:49:36 monster ntpd[2609]: proto: precision = 0.131 usec Apr 1 09:49:36 monster ntpd[2609]: ntp_io: estimated max descriptors: 1024, initial socket boundary: 16 Apr 1 09:49:36 monster ntpd[2609]: unable to bind to wildcard address 0.0.0.0 - another process may be running - EXITING Apr 1 09:49:36 monster puppet-agent[2071]: (/Stage[main]/Ntp::Service/Service[ntp]/ensure) ensure changed 'stopped' to 'running' Apr 1 09:49:36 monster rsyslogd: [origin software="rsyslogd" swVersion="7.4.4" x-pid="760" x-info="http://www.rsyslog.com"] exiting on signal 15. Apr 1 09:51:25 monster rsyslogd: [origin software="rsyslogd" swVersion="7.4.4" x-pid="895" x-info="http://www.rsyslog.com"] start Apr 1 09:51:25 monster rsyslogd: rsyslogd's groupid changed to 104 Apr 1 09:51:25 monster rsyslogd: rsyslogd's userid changed to 101 -- at this point the system shows evidence of being rebooted -- Apr 1 09:51:25 monster kernel: [ 0.000000] Initializing cgroup subsys cpuset Apr 1 09:51:25 monster kernel: [ 0.000000] Initializing cgroup subsys cpu Apr 1 09:51:25 monster kernel: [ 0.000000] Initializing cgroup subsys cpuacct