I am hoping that by joining this list I can get some kind of assistance with this bug in the subject line. Every one to one and a half days my system will just lockup with a black screen and only the mouse cursor shown. It can be moved but will not go to the desktop. I can CTRL>ALT>F1 to a terminal and login then run sudo reboot and reboot the system. The complete error shown in my syslog is: kernel: [93991.808012] [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer elapsed... render ring idle I have filed a bug report at the Ubuntu Launchpad for this - https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1402331 and also have added information to the one opened at freedesktop.org - https://bugs.freedesktop.org/show_bug.cgi?id=75394 This all started somewhere around kernel version 3.13.0-35 and has progressed from there. I have noticed a lockup in all of these kernel versions which I have tested: 3.13.0-031300-generic 3.13.0-44-generic 3.13.0-45-generic 3.13.0-46-generic 3.19.0-031900-generic 4.0.0-040000rc2-generic 4.0.0-040000rc4-generic I installed 4.0.0-040000rc5-generic yesterday however Gnome Tweak Tools did now correctly (not allowing me to add extensions) so I booted into the latest kernel from Ubuntu that was also installed yesterday which is 3.13.0-48-generic #80-Ubuntu SMP Thu Mar 12 11:16:15 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux. There have been several instances where I'll have the black screen, movable cursor (lockup) however the 'hangcheck....' error notation in my syslog will not be present. I've attached the output of 'sudo lshw' to see if it will be of any assistance in solving this. Any help would be appreciated. Apologies in advance if this is an inappropriate post for this list but I'm running out of places to turn to looking for help in solving this. Chris -- Chris KeyID 0xE372A7DA98E6705C 31.11°N 97.89°W (Elev. 1092 ft) 08:02:10 up 16:42, 1 user, load average: 0.14, 0.22, 0.28 Ubuntu 14.04.2 LTS, kernel 3.13.0-48-generic
chris@localhost:~$ sudo lshw [sudo] password for chris: localhost description: Mini Tower Computer product: OptiPlex 780 () vendor: Dell Inc. serial: G20PBM1 width: 64 bits capabilities: smbios-2.5 dmi-2.5 vsyscall32 configuration: administrator_password=enabled boot=normal chassis=mini-tower power-on_password=enabled uuid=44454C4C-3200-1030-8050-C7C04F424D31 *-core description: Motherboard product: 0C27VV vendor: Dell Inc. physical id: 0 version: A01 serial: ..CN137400250867. *-firmware description: BIOS vendor: Dell Inc. physical id: 0 version: A15 date: 08/06/2013 size: 64KiB capacity: 8128KiB capabilities: pci pnp apm upgrade shadowing escd cdboot bootselect edd int13floppytoshiba int13floppy720 int5printscreen int9keyboard int14serial int17printer acpi usb biosbootspecification netboot *-cpu description: CPU product: Intel(R) Core(TM)2 Duo CPU E8400 @ 3.00GHz vendor: Intel Corp. physical id: 400 bus info: cpu@0 slot: CPU size: 3GHz width: 64 bits clock: 1333MHz capabilities: x86-64 fpu fpu_exception wp vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx constant_tsc arch_perfmon pebs bts rep_good nopl aperfmperf pni dtes64 monitor ds_cpl vmx smx est tm2 ssse3 cx16 xtpr pdcm sse4_1 xsave lahf_lm dtherm tpr_shadow vnmi flexpriority configuration: cores=2 enabledcores=2 threads=2 *-cache:0 description: L1 cache physical id: 700 size: 128KiB capacity: 128KiB capabilities: internal write-back unified *-cache:1 description: L2 cache physical id: 701 size: 6MiB capacity: 6MiB capabilities: internal varies unified *-memory description: System Memory physical id: 1000 slot: System board or motherboard size: 4GiB *-bank:0 description: DIMM DDR3 Synchronous 1066 MHz (0.9 ns) product: M378B5673EH1-CF8 vendor: Samsung physical id: 0 serial: 94C3C095 slot: DIMM_1 size: 2GiB width: 64 bits clock: 1066MHz (0.9ns) *-bank:1 description: DIMM DDR3 Synchronous 1066 MHz (0.9 ns) product: M378B2873EH1-CF8 vendor: Samsung physical id: 1 serial: 76DE3D57 slot: DIMM_3 size: 1GiB width: 64 bits clock: 1066MHz (0.9ns) *-bank:2 description: DIMM DDR3 Synchronous 1066 MHz (0.9 ns) product: M378B2873FHS-CF8 vendor: Samsung physical id: 2 serial: 76FE89C4 slot: DIMM_2 size: 1GiB width: 64 bits clock: 1066MHz (0.9ns) *-bank:3 description: DIMM DDR3 Synchronous 1066 MHz (0.9 ns) [empty] vendor: FFFFFFFFFFFF physical id: 3 serial: FFFFFFFF slot: DIMM_4 width: 64 bits clock: 1066MHz (0.9ns) *-pci description: Host bridge product: 4 Series Chipset DRAM Controller vendor: Intel Corporation physical id: 100 bus info: pci@0000:00:00.0 version: 03 width: 32 bits clock: 33MHz configuration: driver=agpgart-intel resources: irq:0 *-pci:0 description: PCI bridge product: 4 Series Chipset PCI Express Root Port vendor: Intel Corporation physical id: 1 bus info: pci@0000:00:01.0 version: 03 width: 32 bits clock: 33MHz capabilities: pci pm msi pciexpress normal_decode bus_master cap_list configuration: driver=pcieport resources: irq:45 memory:f7900000-f79fffff *-display:0 description: VGA compatible controller product: 4 Series Chipset Integrated Graphics Controller vendor: Intel Corporation physical id: 2 bus info: pci@0000:00:02.0 version: 03 width: 64 bits clock: 33MHz capabilities: msi pm vga_controller bus_master cap_list rom configuration: driver=i915 latency=0 resources: irq:49 memory:f7c00000-f7ffffff memory:e0000000-efffffff ioport:ecb8(size=8) *-display:1 UNCLAIMED description: Display controller product: 4 Series Chipset Integrated Graphics Controller vendor: Intel Corporation physical id: 2.1 bus info: pci@0000:00:02.1 version: 03 width: 64 bits clock: 33MHz capabilities: pm bus_master cap_list configuration: latency=0 resources: memory:f7b00000-f7bfffff *-network description: Ethernet interface product: 82567LM-3 Gigabit Network Connection vendor: Intel Corporation physical id: 19 bus info: pci@0000:00:19.0 logical name: eth0 version: 02 serial: 00:25:64:c7:b1:e4 size: 100Mbit/s capacity: 1Gbit/s width: 32 bits clock: 33MHz capabilities: pm msi bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation configuration: autonegotiation=on broadcast=yes driver=e1000e driverversion=2.3.2-k duplex=full firmware=0.4-3 ip=192.168.0.51 latency=0 link=yes multicast=yes port=twisted pair speed=100Mbit/s resources: irq:48 memory:f7ae0000-f7afffff memory:f7ad9000-f7ad9fff ioport:ece0(size=32) *-usb:0 description: USB controller product: 82801JD/DO (ICH10 Family) USB UHCI Controller #4 vendor: Intel Corporation physical id: 1a bus info: pci@0000:00:1a.0 version: 02 width: 32 bits clock: 33MHz capabilities: uhci bus_master cap_list configuration: driver=uhci_hcd latency=0 resources: irq:16 ioport:ff20(size=32) *-usb:1 description: USB controller product: 82801JD/DO (ICH10 Family) USB UHCI Controller #5 vendor: Intel Corporation physical id: 1a.1 bus info: pci@0000:00:1a.1 version: 02 width: 32 bits clock: 33MHz capabilities: uhci bus_master cap_list configuration: driver=uhci_hcd latency=0 resources: irq:17 ioport:ff00(size=32) *-usb:2 description: USB controller product: 82801JD/DO (ICH10 Family) USB UHCI Controller #6 vendor: Intel Corporation physical id: 1a.2 bus info: pci@0000:00:1a.2 version: 02 width: 32 bits clock: 33MHz capabilities: uhci bus_master cap_list configuration: driver=uhci_hcd latency=0 resources: irq:22 ioport:fc00(size=32) *-usb:3 description: USB controller product: 82801JD/DO (ICH10 Family) USB2 EHCI Controller #2 vendor: Intel Corporation physical id: 1a.7 bus info: pci@0000:00:1a.7 version: 02 width: 32 bits clock: 33MHz capabilities: pm debug ehci bus_master cap_list configuration: driver=ehci-pci latency=0 resources: irq:22 memory:f7ada000-f7ada3ff *-multimedia description: Audio device product: 82801JD/DO (ICH10 Family) HD Audio Controller vendor: Intel Corporation physical id: 1b bus info: pci@0000:00:1b.0 version: 02 width: 64 bits clock: 33MHz capabilities: pm msi pciexpress bus_master cap_list configuration: driver=snd_hda_intel latency=0 resources: irq:50 memory:f7adc000-f7adffff *-pci:1 description: PCI bridge product: 82801JD/DO (ICH10 Family) PCI Express Port 1 vendor: Intel Corporation physical id: 1c bus info: pci@0000:00:1c.0 version: 02 width: 32 bits clock: 33MHz capabilities: pci pciexpress msi pm normal_decode bus_master cap_list configuration: driver=pcieport resources: irq:46 ioport:1000(size=4096) memory:f7800000-f78fffff ioport:fc000000(size=2097152) *-pci:2 description: PCI bridge product: 82801JD/DO (ICH10 Family) PCI Express Port 2 vendor: Intel Corporation physical id: 1c.1 bus info: pci@0000:00:1c.1 version: 02 width: 32 bits clock: 33MHz capabilities: pci pciexpress msi pm normal_decode bus_master cap_list configuration: driver=pcieport resources: irq:47 ioport:2000(size=4096) memory:f7700000-f77fffff ioport:fc200000(size=2097152) *-usb:4 description: USB controller product: 82801JD/DO (ICH10 Family) USB UHCI Controller #1 vendor: Intel Corporation physical id: 1d bus info: pci@0000:00:1d.0 version: 02 width: 32 bits clock: 33MHz capabilities: uhci bus_master cap_list configuration: driver=uhci_hcd latency=0 resources: irq:23 ioport:ff80(size=32) *-usb:5 description: USB controller product: 82801JD/DO (ICH10 Family) USB UHCI Controller #2 vendor: Intel Corporation physical id: 1d.1 bus info: pci@0000:00:1d.1 version: 02 width: 32 bits clock: 33MHz capabilities: uhci bus_master cap_list configuration: driver=uhci_hcd latency=0 resources: irq:17 ioport:ff60(size=32) *-usb:6 description: USB controller product: 82801JD/DO (ICH10 Family) USB UHCI Controller #3 vendor: Intel Corporation physical id: 1d.2 bus info: pci@0000:00:1d.2 version: 02 width: 32 bits clock: 33MHz capabilities: uhci bus_master cap_list configuration: driver=uhci_hcd latency=0 resources: irq:18 ioport:ff40(size=32) *-usb:7 description: USB controller product: 82801JD/DO (ICH10 Family) USB2 EHCI Controller #1 vendor: Intel Corporation physical id: 1d.7 bus info: pci@0000:00:1d.7 version: 02 width: 32 bits clock: 33MHz capabilities: pm debug ehci bus_master cap_list configuration: driver=ehci-pci latency=0 resources: irq:23 memory:ff980000-ff9803ff *-pci:3 description: PCI bridge product: 82801 PCI Bridge vendor: Intel Corporation physical id: 1e bus info: pci@0000:00:1e.0 version: a2 width: 32 bits clock: 33MHz capabilities: pci subtractive_decode bus_master cap_list *-isa description: ISA bridge product: 82801JDO (ICH10DO) LPC Interface Controller vendor: Intel Corporation physical id: 1f bus info: pci@0000:00:1f.0 version: 02 width: 32 bits clock: 33MHz capabilities: isa bus_master cap_list configuration: driver=lpc_ich latency=0 resources: irq:0 *-ide:0 description: IDE interface product: 82801JD/DO (ICH10 Family) 4-port SATA IDE Controller vendor: Intel Corporation physical id: 1f.2 bus info: pci@0000:00:1f.2 version: 02 width: 32 bits clock: 66MHz capabilities: ide pm bus_master cap_list configuration: driver=ata_piix latency=0 resources: irq:18 ioport:fe00(size=8) ioport:fe10(size=4) ioport:fe20(size=8) ioport:fe30(size=4) ioport:fec0(size=16) ioport:ecc0(size=16) *-serial UNCLAIMED description: SMBus product: 82801JD/DO (ICH10 Family) SMBus Controller vendor: Intel Corporation physical id: 1f.3 bus info: pci@0000:00:1f.3 version: 02 width: 64 bits clock: 33MHz configuration: latency=0 resources: memory:f7adb000-f7adb0ff ioport:980(size=32) *-ide:1 description: IDE interface product: 82801JD/DO (ICH10 Family) 2-port SATA IDE Controller vendor: Intel Corporation physical id: 1f.5 bus info: pci@0000:00:1f.5 version: 02 width: 32 bits clock: 66MHz capabilities: ide pm bus_master cap_list configuration: driver=ata_piix latency=0 resources: irq:18 ioport:fe40(size=8) ioport:fe50(size=4) ioport:fe60(size=8) ioport:fe70(size=4) ioport:fed0(size=16) ioport:ecd0(size=16) *-scsi:0 physical id: 1 logical name: scsi0 capabilities: emulated *-disk description: ATA Disk product: WDC WD5000AUDX-5 vendor: Western Digital physical id: 0.0.0 bus info: scsi@0:0.0.0 logical name: /dev/sda version: 01.0 serial: WD-WMC1U1254685 size: 465GiB (500GB) capabilities: partitioned partitioned:dos configuration: ansiversion=5 sectorsize=4096 signature=0005dd9a *-volume:0 description: EXT4 volume vendor: Linux physical id: 1 bus info: scsi@0:0.0.0,1 logical name: /dev/sda1 logical name: / version: 1.0 serial: 4254a7e9-429b-4f53-a08c-ae7ff839b98f size: 461GiB capacity: 461GiB capabilities: primary bootable journaled extended_attributes large_files huge_files dir_nlink recover extents ext4 ext2 initialized configuration: created=2014-10-23 23:05:47 filesystem=ext4 lastmountpoint=/ modified=2015-03-23 15:19:53 mount.fstype=ext4 mount.options=rw,relatime,errors=remount-ro,data=ordered mounted=2015-03-23 15:19:53 state=mounted *-volume:1 description: Extended partition physical id: 2 bus info: scsi@0:0.0.0,2 logical name: /dev/sda2 size: 3994MiB capacity: 3994MiB capabilities: primary extended partitioned partitioned:extended *-logicalvolume description: Linux swap / Solaris partition physical id: 5 logical name: /dev/sda5 capacity: 3994MiB capabilities: nofs *-scsi:1 physical id: 2 logical name: scsi1 capabilities: emulated *-cdrom description: DVD-RAM writer product: DVD+-RW TS-H653G vendor: TSSTcorp physical id: 0.0.0 bus info: scsi@1:0.0.0 logical name: /dev/cdrom logical name: /dev/sr0 version: DW10 capabilities: removable audio cd-r cd-rw dvd dvd-r dvd-ram configuration: ansiversion=5 status=nodisc *-scsi:2 physical id: 3 bus info: usb@1:3.6 logical name: scsi5 capabilities: emulated scsi-host configuration: driver=usb-storage *-disk description: SCSI Disk product: My Passport 0830 vendor: WD physical id: 0.0.0 bus info: scsi@5:0.0.0 logical name: /dev/sdb version: 1065 serial: WX41A44H9086 size: 931GiB (1TB) capabilities: partitioned partitioned:dos configuration: ansiversion=6 sectorsize=512 signature=1b328b8f *-volume description: EXT4 volume vendor: Linux physical id: 1 bus info: scsi@5:0.0.0,1 logical name: /dev/sdb1 logical name: /media/chris/backup2 version: 1.0 serial: 5789a6ed-9764-47f4-a42b-2f4f0f91cddb size: 931GiB capacity: 931GiB capabilities: primary journaled extended_attributes large_files huge_files dir_nlink recover extents ext4 ext2 initialized configuration: created=2014-09-02 19:37:23 filesystem=ext4 label=backup2 lastmountpoint=/media/chris/backup2 modified=2015-03-23 15:21:24 mount.fstype=ext4 mount.options=rw,nosuid,nodev,relatime,data=ordered mounted=2015-03-23 15:21:24 state=mounted *-enclosure UNCLAIMED description: SCSI Enclosure product: SES Device vendor: WD physical id: 0.0.1 bus info: scsi@5:0.0.1 version: 1065 serial: WX41A44H9086 configuration: ansiversion=6 *-scsi:3 physical id: 4 bus info: usb@1:3.3 logical name: scsi4 capabilities: emulated scsi-host configuration: driver=usb-storage *-disk description: SCSI Disk product: FreeAgent Go vendor: Seagate physical id: 0.0.0 bus info: scsi@4:0.0.0 logical name: /dev/sdc version: 0148 serial: 2GE6YYJF size: 298GiB (320GB) capabilities: partitioned partitioned:dos configuration: ansiversion=4 sectorsize=512 signature=a4b57300 *-volume description: EXT3 volume vendor: Linux physical id: 1 bus info: scsi@4:0.0.0,1 logical name: /dev/sdc1 logical name: /media/chris/backup version: 1.0 serial: 163777cc-6085-4531-b23c-a1a2f63b25e0 size: 298GiB capacity: 298GiB capabilities: primary journaled extended_attributes large_files recover ext3 ext2 initialized configuration: created=2010-09-11 15:58:03 filesystem=ext3 label=backup lastmountpoint=/media/chris/backup modified=2015-03-23 15:21:23 mount.fstype=ext3 mount.options=rw,nosuid,nodev,relatime,data=ordered mounted=2015-03-23 15:21:23 state=mounted chris@localhost:~$
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