Same issue and the following error on hang in kern.log: [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer elapsed... GPU hung render error detected, EIR: 0x00000000 [drm:i915_do_wait_request] *ERROR* i915_do_wait_request returns -5 (awaiting 220195 at 220192) [drm:i915_gem_idle] *ERROR* hardware wedged after this the computer restarts. lshw: description: Computer width: 32 bits *-core description: Motherboard physical id: 0 *-memory description: System memory physical id: 0 size: 1015MiB *-cpu product: Intel(R) Pentium(R) 4 CPU 2.40GHz vendor: Intel Corp. physical id: 1 bus info: cpu@0 version: 15.3.3 serial: 0000-0F33-0000-0000-0000-0000 size: 2400MHz width: 32 bits capabilities: fpu fpu_exception wp vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe constant_tsc up pebs bts pni dtes64 monitor ds_cpl cid configuration: id=0 *-pci description: Host bridge product: 82845G/GL[Brookdale-G]/GE/PE DRAM Controller/Host-Hub Interface 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 memory:d0000000-d7ffffff(prefetchable) *-display UNCLAIMED description: VGA compatible controller product: 82845G/GL[Brookdale-G]/GE Chipset Integrated Graphics Device vendor: Intel Corporation physical id: 2 bus info: pci@0000:00:02.0 version: 03 width: 32 bits clock: 33MHz capabilities: bus_master cap_list configuration: latency=0 resources: memory:d8000000-dfffffff(prefetchable) memory:e2000000-e207ffff *-usb:0 description: USB Controller product: 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) 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: bus_master configuration: driver=uhci_hcd latency=0 resources: irq:16 ioport:d800(size=32) *-usb:1 description: USB Controller product: 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) 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: bus_master configuration: driver=uhci_hcd latency=0 resources: irq:19 ioport:d000(size=32) *-usb:2 description: USB Controller product: 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) 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: bus_master configuration: driver=uhci_hcd latency=0 resources: irq:18 ioport:d400(size=32) *-usb:3 description: USB Controller product: 82801DB/DBM (ICH4/ICH4-M) USB2 EHCI Controller vendor: Intel Corporation physical id: 1d.7 bus info: pci@0000:00:1d.7 version: 02 width: 32 bits clock: 33MHz capabilities: bus_master cap_list configuration: driver=ehci_hcd latency=0 resources: irq:23 memory:e2080000-e20803ff *-pci description: PCI bridge product: 82801 PCI Bridge vendor: Intel Corporation physical id: 1e bus info: pci@0000:00:1e.0 version: 82 width: 32 bits clock: 33MHz capabilities: pci bus_master resources: ioport:c000(size=4096) memory:e0000000-e1ffffff memory:40000000-400fffff(prefetchable) *-communication UNCLAIMED description: Communication controller product: HSF 56k HSFi Modem vendor: Conexant Systems, Inc. physical id: 0 bus info: pci@0000:01:00.0 version: 01 width: 32 bits clock: 33MHz capabilities: bus_master cap_list configuration: latency=32 resources: memory:e1000000-e100ffff ioport:c000(size=8) *-network description: Ethernet interface product: SiS900 PCI Fast Ethernet vendor: Silicon Integrated Systems [SiS] physical id: 6 bus info: pci@0000:01:06.0 logical name: eth0 version: 02 serial: 00:11:5b:07:4e:5c width: 32 bits clock: 33MHz capabilities: bus_master cap_list rom ethernet physical configuration: broadcast=yes driver=sis900 driverversion=v1.08.10 Apr. 2 2006 latency=32 maxlatency=11 mingnt=52 multicast=yes resources: irq:21 ioport:c400(size=256) memory:e1010000-e1010fff memory:40000000-4001ffff(prefetchable) *-isa description: ISA bridge product: 82801DB/DBL (ICH4/ICH4-L) LPC Interface Bridge vendor: Intel Corporation physical id: 1f bus info: pci@0000:00:1f.0 version: 02 width: 32 bits clock: 33MHz capabilities: isa bus_master configuration: latency=0 *-ide description: IDE interface product: 82801DB (ICH4) IDE Controller vendor: Intel Corporation physical id: 1f.1 bus info: pci@0000:00:1f.1 logical name: scsi0 version: 02 width: 32 bits clock: 33MHz capabilities: ide bus_master emulated configuration: driver=ata_piix latency=0 resources: irq:18 ioport:1f0(size=8) ioport:3f6 ioport:170(size=8) ioport:376 ioport:f000(size=16) memory:40100000-401003ff *-cdrom description: CD-R/CD-RW writer physical id: 0.1.0 bus info: scsi@0:0.1.0 logical name: /dev/cdrom logical name: /dev/cdrw logical name: /dev/scd0 logical name: /dev/sr0 capabilities: audio cd-r cd-rw configuration: status=nodisc *-serial UNCLAIMED description: SMBus product: 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) SMBus Controller vendor: Intel Corporation physical id: 1f.3 bus info: pci@0000:00:1f.3 version: 02 width: 32 bits clock: 33MHz configuration: latency=0 resources: ioport:500(size=32) *-multimedia description: Multimedia audio controller product: 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) AC'97 Audio Controller vendor: Intel Corporation physical id: 1f.5 bus info: pci@0000:00:1f.5 version: 02 width: 32 bits clock: 33MHz capabilities: bus_master cap_list configuration: driver=Intel ICH latency=0 resources: irq:17 ioport:e000(size=256) ioport:e400(size=64) memory:e2081000-e20811ff memory:e2082000-e20820ff *-network description: Wireless interface physical id: 1 logical name: wlan0 capabilities: ethernet physical wireless configuration: broadcast=yes ip=192.168.x.x multicast=yes wireless=IEEE 802.11bg