Hello all. My opensuse has some problem, couple of times per week it hangs for 5-10 minutes or hangs completely, ctrl+alt+f1 doesn't work at all and PC needs to be rebooted. I am really new with Linux as desktop and i'l appreciate any help. Below is some logs from a journalctl prior to the problem, at 9:36 was reboot and 10-15 minutes before PC was hanged.


Code:
Jan 09 09:00:04 michael dbus-daemon[789]: [system] Successfully activated service 'org.opensuse.Snapper'
Jan 09 09:00:50 michael plasmashell[2435]: file:///usr/share/plasma/plasmoids/org.kde.plasma.notifications/contents/ui/NotificationDelegate.qml:113: ReferenceError: appIcon is not defined
Jan 09 09:00:50 michael plasmashell[2435]: file:///usr/share/plasma/plasmoids/org.kde.plasma.notifications/contents/ui/NotificationDelegate.qml:113: ReferenceError: appIcon is not defined
Jan 09 09:00:50 michael plasmashell[2435]: file:///usr/share/plasma/plasmoids/org.kde.plasma.notifications/contents/ui/NotificationDelegate.qml:113: ReferenceError: appIcon is not defined
Jan 09 09:00:50 michael plasmashell[2435]: file:///usr/share/plasma/plasmoids/org.kde.plasma.notifications/contents/ui/NotificationDelegate.qml:113: ReferenceError: appIcon is not defined
Jan 09 09:03:51 michael wickedd-dhcp4[793]: enp0s31f6: Committed DHCPv4 lease with address 10.0.0.66 (lease time 1800 sec, renew in 900 sec, rebind in 1575 sec)
Jan 09 09:03:51 michael wickedd[896]: route ipv4 0.0.0.0/0 via 10.0.0.1 dev enp0s31f6#2 type unicast table main scope universe protocol dhcp covered by a ipv4:dhcp lease
Jan 09 09:07:19 michael plasmashell[2435]: qt.qpa.xcb: QXcbConnection: XCB error: 2 (BadValue), sequence: 3431, resource id: 62914567, major code: 142 (Unknown), minor code: 3
Jan 09 09:07:19 michael plasmashell[2435]: qt.qpa.xcb: QXcbConnection: XCB error: 2 (BadValue), sequence: 3441, resource id: 113246214, major code: 142 (Unknown), minor code: 3
Jan 09 09:07:20 michael plasmashell[2435]: qt.qpa.xcb: QXcbConnection: XCB error: 2 (BadValue), sequence: 3465, resource id: 171966470, major code: 142 (Unknown), minor code: 3
Jan 09 09:07:20 michael plasmashell[2435]: qt.qpa.xcb: QXcbConnection: XCB error: 2 (BadValue), sequence: 3480, resource id: 117440513, major code: 142 (Unknown), minor code: 3
Jan 09 09:07:27 michael plasmashell[2435]: qt.qpa.xcb: QXcbConnection: XCB error: 2 (BadValue), sequence: 3578, resource id: 104857617, major code: 142 (Unknown), minor code: 3
Jan 09 09:07:27 michael plasmashell[2435]: qt.qpa.xcb: QXcbConnection: XCB error: 2 (BadValue), sequence: 3585, resource id: 62914567, major code: 142 (Unknown), minor code: 3
Jan 09 09:07:28 michael plasmashell[2435]: qt.qpa.xcb: QXcbConnection: XCB error: 2 (BadValue), sequence: 3663, resource id: 14680866, major code: 142 (Unknown), minor code: 3
Jan 09 09:08:21 michael plasmashell[2435]: qt.qpa.xcb: QXcbConnection: XCB error: 2 (BadValue), sequence: 3730, resource id: 62914567, major code: 142 (Unknown), minor code: 3
Jan 09 09:08:21 michael plasmashell[2435]: qt.qpa.xcb: QXcbConnection: XCB error: 2 (BadValue), sequence: 3774, resource id: 163577862, major code: 142 (Unknown), minor code: 3
Jan 09 09:10:51 michael plasmashell[2435]: file:///usr/share/plasma/plasmoids/org.kde.plasma.notifications/contents/ui/NotificationDelegate.qml:113: ReferenceError: appIcon is not defined
Jan 09 09:10:51 michael plasmashell[2435]: file:///usr/share/plasma/plasmoids/org.kde.plasma.notifications/contents/ui/NotificationDelegate.qml:113: ReferenceError: appIcon is not defined
Jan 09 09:10:51 michael plasmashell[2435]: file:///usr/share/plasma/plasmoids/org.kde.plasma.notifications/contents/ui/NotificationDelegate.qml:113: ReferenceError: appIcon is not defined
Jan 09 09:10:51 michael plasmashell[2435]: file:///usr/share/plasma/plasmoids/org.kde.plasma.notifications/contents/ui/NotificationDelegate.qml:113: ReferenceError: appIcon is not defined
Jan 09 09:11:31 michael plasmashell[2435]: file:///usr/share/plasma/plasmoids/org.kde.plasma.notifications/contents/ui/NotificationDelegate.qml:113: ReferenceError: appIcon is not defined
Jan 09 09:13:36 michael plasmashell[2435]: file:///usr/share/plasma/plasmoids/org.kde.plasma.notifications/contents/ui/NotificationDelegate.qml:113: ReferenceError: appIcon is not defined
Jan 09 09:13:36 michael plasmashell[2435]: file:///usr/share/plasma/plasmoids/org.kde.plasma.notifications/contents/ui/NotificationDelegate.qml:113: ReferenceError: appIcon is not defined
Jan 09 09:13:36 michael plasmashell[2435]: file:///usr/share/plasma/plasmoids/org.kde.plasma.notifications/contents/ui/NotificationDelegate.qml:113: ReferenceError: appIcon is not defined
Jan 09 09:15:42 michael plasmashell[2435]: qt.qpa.xcb: QXcbConnection: XCB error: 2 (BadValue), sequence: 5067, resource id: 104857617, major code: 142 (Unknown), minor code: 3
Jan 09 09:15:42 michael plasmashell[2435]: qt.qpa.xcb: QXcbConnection: XCB error: 2 (BadValue), sequence: 5077, resource id: 62914567, major code: 142 (Unknown), minor code: 3
Jan 09 09:16:08 michael smartd[802]: Device: /dev/sda [SAT], SMART Usage Attribute: 194 Temperature_Celsius changed from 25 to 27
Jan 09 09:16:34 michael plasmashell[2435]: file:///usr/share/plasma/plasmoids/org.kde.plasma.notifications/contents/ui/NotificationDelegate.qml:113: ReferenceError: appIcon is not defined
Jan 09 09:16:34 michael org_kde_powerdevil[2523]: powerdevil: Scheduling inhibition from ":1.549" "/usr/bin/google-chrome-stable" with cookie 88 and reason "Playing audio"
Jan 09 09:16:36 michael org_kde_powerdevil[2523]: powerdevil: Releasing inhibition with cookie  88
Jan 09 09:16:36 michael org_kde_powerdevil[2523]: powerdevil: It was only scheduled for inhibition but not enforced yet, just discarding it
Jan 09 09:16:39 michael org_kde_powerdevil[2523]: powerdevil: Enforcing inhibition from ":1.549" "/usr/bin/google-chrome-stable" with cookie 88 and reason "Playing audio"
Jan 09 09:16:39 michael org_kde_powerdevil[2523]: powerdevil: By the time we wanted to enforce the inhibition it was already gone; discarding it
Jan 09 09:18:16 michael kwin_x11[2427]: qt.qpa.xcb: QXcbConnection: XCB error: 3 (BadWindow), sequence: 47476, resource id: 14680866, major code: 15 (QueryTree), minor code: 0
Jan 09 09:18:16 michael kwin_x11[2427]: qt.qpa.xcb: QXcbConnection: XCB error: 3 (BadWindow), sequence: 47568, resource id: 14680926, major code: 15 (QueryTree), minor code: 0
Jan 09 09:18:17 michael plasmashell[2435]: qt.qpa.xcb: QXcbConnection: XCB error: 2 (BadValue), sequence: 5952, resource id: 60817415, major code: 142 (Unknown), minor code: 3
Jan 09 09:18:17 michael plasmashell[2435]: qt.qpa.xcb: QXcbConnection: XCB error: 2 (BadValue), sequence: 5991, resource id: 163577862, major code: 142 (Unknown), minor code: 3
Jan 09 09:18:18 michael plasmashell[2435]: qt.qpa.xcb: QXcbConnection: XCB error: 2 (BadValue), sequence: 6062, resource id: 14680081, major code: 142 (Unknown), minor code: 3
Jan 09 09:18:59 michael wickedd-dhcp4[793]: enp0s31f6: Committed DHCPv4 lease with address 10.0.0.66 (lease time 1800 sec, renew in 900 sec, rebind in 1575 sec)
Jan 09 09:20:14 michael wickedd[896]: route ipv4 0.0.0.0/0 via 10.0.0.1 dev enp0s31f6#2 type unicast table main scope universe protocol dhcp covered by a ipv4:dhcp lease
Jan 09 09:21:05 michael dolphin[3377]: kf5.kio.core: couldn't create slave: "Cannot talk to klauncher: Did not receive a reply. Possible causes include: the remote application did not send a reply, the message bus security policy blocked the reply, the reply timeout expired, or the network connection was broken."
Jan 09 09:21:06 michael kdeinit5[2392]: kf5.kio.core: couldn't create slave: "Cannot talk to klauncher: Did not receive a reply. Possible causes include: the remote application did not send a reply, the message bus security policy blocked the reply, the reply timeout expired, or the network connection was broken."
Jan 09 09:26:51 michael org_kde_powerdevil[2523]: powerdevil: ACTIVE SESSION PATH CHANGED: "/org/freedesktop/login1/session/_32"
Jan 09 09:26:51 michael org_kde_powerdevil[2523]: powerdevil: Current session is now inactive
Jan 09 09:26:52 michael org_kde_powerdevil[2523]: powerdevil: Scheduling inhibition from ":1.550" "/usr/share/skypeforlinux/skypeforlinux" with cookie 89 and reason "Uploading data to prod.registrar.skype.com"
Jan 09 09:26:52 michael org_kde_powerdevil[2523]: powerdevil: Releasing inhibition with cookie  89
Jan 09 09:26:52 michael org_kde_powerdevil[2523]: powerdevil: It was only scheduled for inhibition but not enforced yet, just discarding it
Jan 09 09:29:54 michael org_kde_powerdevil[2523]: powerdevil: ACTIVE SESSION PATH CHANGED: "/org/freedesktop/login1/session/_31"
Jan 09 09:29:54 michael org_kde_powerdevil[2523]: powerdevil: Current session is now active
Jan 09 09:29:54 michael org_kde_powerdevil[2523]: powerdevil: Can't contact ck
Jan 09 09:29:54 michael org_kde_powerdevil[2523]: powerdevil: We are now into activity  "6fc5d10d-8d69-41df-b8ec-10ca7b81d8eb"
Jan 09 09:29:54 michael org_kde_powerdevil[2523]: powerdevil: ("6fc5d10d-8d69-41df-b8ec-10ca7b81d8eb") ()
Jan 09 09:29:54 michael org_kde_powerdevil[2523]: powerdevil: () ("mode")
Jan 09 09:29:54 michael org_kde_powerdevil[2523]: powerdevil: Activity is enforcing a different profile
Jan 09 09:30:07 michael plasmashell[2435]: file:///usr/share/plasma/plasmoids/org.kde.plasma.notifications/contents/ui/NotificationDelegate.qml:113: ReferenceError: appIcon is not defined
Jan 09 09:30:10 michael plasmashell[2435]: file:///usr/share/plasma/plasmoids/org.kde.plasma.notifications/contents/ui/NotificationDelegate.qml:113: ReferenceError: appIcon is not defined
Jan 09 09:30:24 michael org_kde_powerdevil[2523]: powerdevil: Enforcing inhibition from ":1.550" "/usr/share/skypeforlinux/skypeforlinux" with cookie 89 and reason "Uploading data to prod.registrar.skype.com"
Jan 09 09:30:24 michael org_kde_powerdevil[2523]: powerdevil: By the time we wanted to enforce the inhibition it was already gone; discarding it
Jan 09 09:34:07 michael wickedd-dhcp4[793]: enp0s31f6: Committed DHCPv4 lease with address 10.0.0.66 (lease time 1800 sec, renew in 900 sec, rebind in 1575 sec)
Jan 09 09:34:37 michael wickedd[896]: route ipv4 0.0.0.0/0 via 10.0.0.1 dev enp0s31f6#2 type unicast table main scope universe protocol dhcp covered by a ipv4:dhcp lease
Jan 09 09:36:15 michael org_kde_powerdevil[2523]: powerdevil: ACTIVE SESSION PATH CHANGED: "/org/freedesktop/login1/session/_31"
Jan 09 09:36:15 michael org_kde_powerdevil[2523]: powerdevil: Current session is now active
Jan 09 09:36:15 michael org_kde_powerdevil[2523]: powerdevil: ACTIVE SESSION PATH CHANGED: "/org/freedesktop/login1/session/_31"
Jan 09 09:36:15 michael org_kde_powerdevil[2523]: powerdevil: Current session is now active