error gtx 970

May 28 22:24:48 Desktop anacron[653]: Job `cron.daily' terminated
May 28 22:24:48 Desktop rsyslogd0: action 'action 17' resumed (module 'builtin:ompipe') [try http://www.rsyslog.com/e/0 ]
May 28 22:24:48 Desktop rsyslogd-2359: action 'action 17' resumed (module 'builtin:ompipe') [try http://www.rsyslog.com/e/2359 ]
May 28 22:24:48 Desktop anacron[653]: Normal exit (1 job run)
May 28 22:25:06 Desktop dbus[662]: [system] Activating via systemd: service name='org.freedesktop.PackageKit' unit='packagekit.service'
May 28 22:25:06 Desktop PackageKit: daemon start
May 28 22:25:06 Desktop dbus[662]: [system] Successfully activated service 'org.freedesktop.PackageKit'
May 28 22:49:44 Desktop smartd[650]: Device: /dev/sda [SAT], SMART Usage Attribute: 194 Temperature_Celsius changed from 74 to 69
May 28 22:52:05 Desktop kernel: [ 2199.241566] NVRM: GPU at PCI:0000:01:00: GPU-6b948c58-58aa-c4be-75fb-97b747223b0c
May 28 22:52:05 Desktop kernel: [ 2199.241573] NVRM: Xid (PCI:0000:01:00): 62, 4f8f(3578) 00000000 00000000
May 28 22:52:05 Desktop kernel: [ 2199.821717] NVRM: Xid (PCI:0000:01:00): 31, Ch 00000001, engmask 00000111, intr 10000000
May 28 22:52:05 Desktop kernel: [ 2201.240105] NVRM: os_schedule: Attempted to yield the CPU while in atomic or interrupt context
May 28 22:52:05 Desktop kernel: [ 2205.238164] NVRM: os_schedule: Attempted to yield the CPU while in atomic or interrupt context
May 28 22:52:05 Desktop kernel: [ 2207.237288] NVRM: os_schedule: Attempted to yield the CPU while in atomic or interrupt context
May 28 22:52:05 Desktop kernel: [ 2208.973414] [sched_delayed] sched: RT throttling activated
May 28 22:54:11 Desktop kernel: [ 2335.517130] SysRq : HELP : loglevel(0-9) reboot(b) crash(c) terminate-all-tasks(e) memory-full-oom-kill(f) kill-all-tasks(i) thaw-filesystems(j) sak(k) show-backtrace-all-active-cpus(l) show-memory-usage(m) nice-all-RT-tasks(n) poweroff(o) show-registers(p) show-all-timers(q) unraw(r) sync(s) show-task-states(t) unmount(u) show-blocked-tasks(w) dump-ftrace-buffer(z)
May 28 22:55:36 Desktop rsyslogd: [origin software="rsyslogd" swVersion="8.4.2" x-pid="925" x-info="http://www.rsyslog.com"] start
May 28 22:55:36 Desktop kernel: [    0.000000] Initializing cgroup subsys cpuset
May 28 22:55:36 Desktop kernel: [    0.000000] Initializing cgroup subsys cpu
May 28 22:55:36 Desktop kernel: [    0.000000] Initializing cgroup subsys cpuacct
May 28 22:55:36 Desktop kernel: [    0.000000] Linux version 3.16.0-4-amd64 (debian-kernel@lists.debian.org) (gcc version 4.8.4 (Debian 4.8.4-1) ) #1 SMP Debian 3.16.7-ckt9-3~deb8u1 (2015-04-24)
May 28 22:55:36 Desktop kernel: [    0.000000] Command line: BOOT_IMAGE=/vmlinuz-3.16.0-4-amd64 root=/dev/mapper/Desktop--vg-root ro quiet