Após um período de tempo que parece ser o mesmo a cada vez (embora eu não tenha cronometrado), tudo no desktop congela, exceto pelo teclado e mouse.
O syslog é o seguinte:
Feb 7 07:39:43 ben-M4A79T-Deluxe rsyslogd: [origin software="rsyslogd" swVersion="5.8.6" x-pid="1230" x-info="http://www.rsyslog.com"] rsyslogd was HUPed
Feb 7 07:40:34 ben-M4A79T-Deluxe anacron[27976]: Job 'cron.daily' terminated (mailing output)
Feb 7 07:40:34 ben-M4A79T-Deluxe anacron[27976]: Can't find sendmail at /usr/sbin/sendmail, not mailing output
Feb 7 07:40:34 ben-M4A79T-Deluxe anacron[27976]: Job 'cron.weekly' started
Feb 7 07:40:34 ben-M4A79T-Deluxe anacron[31777]: Updated timestamp for job 'cron.weekly' to 2016-02-07
Feb 7 07:41:36 ben-M4A79T-Deluxe anacron[27976]: Job 'cron.weekly' terminated
Feb 7 07:41:36 ben-M4A79T-Deluxe anacron[27976]: Normal exit (2 jobs run)
Feb 7 08:01:19 ben-M4A79T-Deluxe udevd[6370]: symlink '../../sdd' '/dev/disk/by-path/pci-0000:00:11.0-scsi-0:0:0:0.udev-tmp' failed: File exists
Feb 7 08:09:01 ben-M4A79T-Deluxe CRON[8862]: (root) CMD ( [ -x /usr/lib/php5/maxlifetime ] && [ -d /var/lib/php5 ] && find /var/lib/php5/ -depth -mindepth 1 -maxdepth 1 -type f -cmin +$(/usr/lib/php5/maxlifetime) ! -execdir fuser -s {} 2>/dev/null \; -delete)
Feb 7 08:13:24 ben-M4A79T-Deluxe avahi-daemon[1454]: Invalid response packet from host 192.168.1.10.
Feb 7 08:17:01 ben-M4A79T-Deluxe CRON[11441]: (root) CMD ( cd / && run-parts --report /etc/cron.hourly)
Feb 7 08:39:01 ben-M4A79T-Deluxe CRON[18656]: (root) CMD ( [ -x /usr/lib/php5/maxlifetime ] && [ -d /var/lib/php5 ] && find /var/lib/php5/ -depth -mindepth 1 -maxdepth 1 -type f -cmin +$(/usr/lib/php5/maxlifetime) ! -execdir fuser -s {} 2>/dev/null \; -delete)
Feb 7 09:06:21 ben-M4A79T-Deluxe dhclient: DHCPREQUEST of 192.168.1.196 on eth0 to 192.168.1.254 port 67
Feb 7 09:06:21 ben-M4A79T-Deluxe dhclient: DHCPACK of 192.168.1.196 from 192.168.1.254
Feb 7 09:06:21 ben-M4A79T-Deluxe dhclient: bound to 192.168.1.196 -- renewal in 39627 seconds.
Feb 7 09:06:21 ben-M4A79T-Deluxe NetworkManager[1515]: <info> (eth0): DHCPv4 state changed bound -> renew
Feb 7 09:06:21 ben-M4A79T-Deluxe NetworkManager[1515]: <info> address 192.168.1.196
Feb 7 09:06:21 ben-M4A79T-Deluxe NetworkManager[1515]: <info> prefix 24 (255.255.255.0)
Feb 7 09:06:21 ben-M4A79T-Deluxe NetworkManager[1515]: <info> gateway 192.168.1.254
Feb 7 09:06:21 ben-M4A79T-Deluxe NetworkManager[1515]: <info> hostname 'BEN-PC-ETH'
Feb 7 09:06:21 ben-M4A79T-Deluxe NetworkManager[1515]: <info> nameserver '192.168.1.254'
Feb 7 09:06:21 ben-M4A79T-Deluxe NetworkManager[1515]: <info> domain name 'home.gateway'
Feb 7 09:06:22 ben-M4A79T-Deluxe dbus[1317]: [system] Activating service name='org.freedesktop.nm_dispatcher' (using servicehelper)
Feb 7 09:06:22 ben-M4A79T-Deluxe dbus[1317]: [system] Successfully activated service 'org.freedesktop.nm_dispatcher'
Feb 7 09:09:01 ben-M4A79T-Deluxe CRON[28438]: (root) CMD ( [ -x /usr/lib/php5/maxlifetime ] && [ -d /var/lib/php5 ] && find /var/lib/php5/ -depth -mindepth 1 -maxdepth 1 -type f -cmin +$(/usr/lib/php5/maxlifetime) ! -execdir fuser -s {} 2>/dev/null \; -delete)
Feb 7 09:13:24 ben-M4A79T-Deluxe avahi-daemon[1454]: Invalid response packet from host 192.168.1.10.
Feb 7 09:17:01 ben-M4A79T-Deluxe CRON[31073]: (root) CMD ( cd / && run-parts --report /etc/cron.hourly)
Feb 7 09:37:36 ben-M4A79T-Deluxe udevd[5531]: symlink '../../sdb' '/dev/disk/by-path/pci-0000:00:11.0-scsi-0:0:0:0.udev-tmp' failed: File exists
Feb 7 09:39:01 ben-M4A79T-Deluxe CRON[6035]: (root) CMD ( [ -x /usr/lib/php5/maxlifetime ] && [ -d /var/lib/php5 ] && find /var/lib/php5/ -depth -mindepth 1 -maxdepth 1 -type f -cmin +$(/usr/lib/php5/maxlifetime) ! -execdir fuser -s {} 2>/dev/null \; -delete)
Feb 7 09:40:45 ben-M4A79T-Deluxe udevd[6543]: symlink '../../sdb' '/dev/disk/by-path/pci-0000:00:11.0-scsi-0:0:0:0.udev-tmp' failed: File exists
Feb 7 09:41:39 ben-M4A79T-Deluxe kernel: [41914.753206] show_signal_msg: 135 callbacks suppressed
Feb 7 09:41:39 ben-M4A79T-Deluxe kernel: [41914.753211] Watchdog[6888]: segfault at 0 ip 00007f3afe9a073e sp 00007f3af1f08690 error 6 in libcontent.so[7f3afe104000+11d5000]
Feb 7 09:41:55 ben-M4A79T-Deluxe kernel: [41931.193405] Watchdog[7135]: segfault at 0 ip 00007f61081c273e sp 00007f60fb72a690 error 6 in libcontent.so[7f6107926000+11d5000]
sudo lshw -short > ~ / Desktop / hardware.txt
H/W path Device Class Description
====================================================
system System Product Name (To Be Filled By O.E.M.)
/0 bus M4A79T Deluxe
/0/0 memory 64KiB BIOS
/0/4 processor AMD Phenom(tm) II X4 965 Processor
/0/4/5 memory 512KiB L1 cache
/0/4/6 memory 2MiB L2 cache
/0/4/7 memory 6MiB L3 cache
/0/3d memory 16GiB System Memory
/0/3d/0 memory 4GiB DIMM DDR Synchronous 1333 MHz (0.8 ns)
/0/3d/1 memory 4GiB DIMM DDR Synchronous 1333 MHz (0.8 ns)
/0/3d/2 memory 4GiB DIMM DDR Synchronous 1333 MHz (0.8 ns)
/0/3d/3 memory 4GiB DIMM DDR Synchronous 1333 MHz (0.8 ns)
/0/100 bridge RD790 Host Bridge
/0/100/2 bridge RX780/RD790 PCI to PCI bridge (external gfx0 port A)
/0/100/2/0 display Juniper XT [Radeon HD 5770]
/0/100/2/0.1 multimedia Juniper HDMI Audio [Radeon HD 5700 Series]
/0/100/5 bridge RX780/RD790 PCI to PCI bridge (PCI express gpp port B)
/0/100/5/0 bus uPD720201 USB 3.0 Host Controller
/0/100/6 bridge RD790 PCI to PCI bridge (PCI express gpp port C)
/0/100/6/0 eth0 network RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
/0/100/7 bridge RX780/RD790 PCI to PCI bridge (PCI express gpp port D)
/0/100/7/0 bus VT6315 Series Firewire Controller
/0/100/c bridge RD790 PCI to PCI bridge (external gfx1 port B)
/0/100/c/0 scsi2 storage Series 8 12G SAS/PCIe 3
/0/100/c/0/0.0.0 /dev/sda volume 7449GiB EXT4 volume
/0/100/c/0/1.0.0 disk WDC WD40EFRX-68W
/0/100/c/0/1.1.0 disk WDC WD40EFRX-68W
/0/100/c/0/1.2.0 disk WDC WD40EFRX-68W
/0/100/c/0/1.3.0 disk WDC WD40EFRX-68W
/0/100/11 storage SB7x0/SB8x0/SB9x0 SATA Controller [IDE mode]
/0/100/12 bus SB7x0/SB8x0/SB9x0 USB OHCI0 Controller
/0/100/12.1 bus SB7x0 USB OHCI1 Controller
/0/100/12.2 bus SB7x0/SB8x0/SB9x0 USB EHCI Controller
/0/100/13 bus SB7x0/SB8x0/SB9x0 USB OHCI0 Controller
/0/100/13.1 bus SB7x0 USB OHCI1 Controller
/0/100/13.2 bus SB7x0/SB8x0/SB9x0 USB EHCI Controller
/0/100/14 bus SBx00 SMBus Controller
/0/100/14.1 storage SB7x0/SB8x0/SB9x0 IDE Controller
/0/100/14.2 multimedia SBx00 Azalia (Intel HDA)
/0/100/14.3 bridge SB7x0/SB8x0/SB9x0 LPC host controller
/0/100/14.4 bridge SBx00 PCI to PCI Bridge
/0/100/14.4/6 wlan0 network AR922X Wireless Network Adapter
/0/100/14.5 bus SB7x0/SB8x0/SB9x0 USB OHCI2 Controller
/0/101 bridge Family 10h Processor HyperTransport Configuration
/0/102 bridge Family 10h Processor Address Map
/0/103 bridge Family 10h Processor DRAM Controller
/0/104 bridge Family 10h Processor Miscellaneous Control
/0/105 bridge Family 10h Processor Link Control
/0/1 scsi0 storage
/0/1/0.0.0 /dev/sdb disk 500GB WDC WD5000AADS-0
/0/1/0.0.0/1 /dev/sdb1 volume 100MiB Windows NTFS volume
/0/1/0.0.0/2 /dev/sdb2 volume 79GiB Windows NTFS volume
/0/1/0.0.0/3 /dev/sdb3 volume 99GiB Windows NTFS volume
/0/1/0.0.0/4 /dev/sdb4 volume 285GiB Windows NTFS volume
/0/2 scsi1 storage
/0/2/0.0.0 /dev/sdc disk 2TB WDC WD20EARS-00M
/0/2/0.0.0/1 /dev/sdc1 volume 1863GiB EXT4 volume
/0/3 scsi3 storage
/0/3/0.0.0 /dev/sdd disk 500GB WDC WD5000AAKX-6
/0/3/0.0.0/1 /dev/sdd1 volume 95GiB EXT4 volume
/0/3/0.0.0/2 /dev/sdd2 volume 355GiB EXT4 volume
/0/3/0.0.0/3 /dev/sdd3 volume 15GiB Extended partition
/0/3/0.0.0/3/5 /dev/sdd5 volume 15GiB Linux swap / Solaris partition
Isso não acontece enquanto estou usando o computador, mas depois de um período de tempo ocioso ele congela. Minha única opção segura é Ctrl + Alt + F1 e sudo init 6 Por favor ajude?