kernel BUG at drivers/gpu/drm/i915/i915_gem.c:4045
Hi, my OS is a Debian testing with self compiled 2.6.36.1 vanilla kernel. CPU is "model name : Intel(R) Core(TM) i5 CPU 661 @ 3.33GHz" which contains the graphic chip and motherboard is an intel DH55HC. digest of boot log: [ 31.334582] [drm] Initialized drm 1.1.0 20060810 [ 31.347415] i915 :00:02.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16 [ 31.347420] i915 :00:02.0: setting latency timer to 64 [ 31.377104] i915 :00:02.0: irq 43 for MSI/MSI-X [ 31.377113] [drm] set up 31M of stolen space [ 32.100419] fb0: inteldrmfb frame buffer device [ 32.100421] drm: registered panic notifier [ 32.101007] [drm] Initialized i915 1.6.0 20080730 for :00:02.0 on minor 0 $ cat /proc/interrupts CPU0 CPU1 CPU2 CPU3 0: 41 2 2 2 IO-APIC-edge timer 1: 1078 1054 1007 1066 IO-APIC-edge i8042 8: 0 0 0 1 IO-APIC-edge rtc0 9: 0 0 0 0 IO-APIC-fasteoi acpi 16: 4753 4806 4909 4787 IO-APIC-fasteoi ehci_hcd:usb1 17: 0 0 1 0 IO-APIC-fasteoi 23: 8 7 8 7 IO-APIC-fasteoi ehci_hcd:usb2 40: 563021 563010 562925 563092 PCI-MSI-edge eth0 41: 10340 10333 10243 10292 PCI-MSI-edge ahci 42: 17729 17816 17629 17817 PCI-MSI-edge hda_intel 43: 54557 54442 54760 54398 PCI-MSI-edge i915 NMI: 0 0 0 0 Non-maskable interrupts LOC: 423429 423651 430418 434414 Local timer interrupts SPU: 0 0 0 0 Spurious interrupts PMI: 0 0 0 0 Performance monitoring interrupts PND: 0 0 0 0 Performance pending work RES: 102315 106505 109466 106257 Rescheduling interrupts CAL: 15015 5403 14241 4556 Function call interrupts TLB: 1068743685 1268 TLB shootdowns TRM: 0 0 0 0 Thermal event interrupts THR: 0 0 0 0 Threshold APIC interrupts MCE: 0 0 0 0 Machine check exceptions MCP: 8 8 8 8 Machine check polls ERR: 3 MIS: 0 $ cat mtrr reg00: base=0x0 (0MB), size= 2048MB, count=1: write-back reg01: base=0x08000 ( 2048MB), size= 1024MB, count=1: write-back reg02: base=0x0c000 ( 3072MB), size= 128MB, count=1: write-back reg03: base=0x0c800 ( 3200MB), size= 64MB, count=1: write-back reg04: base=0x1 ( 4096MB), size= 512MB, count=1: write-back reg05: base=0x12000 ( 4608MB), size= 128MB, count=1: write-back reg06: base=0x0d000 ( 3328MB), size= 256MB, count=1: write-combining digest of lspci -v -n 00:02.0 0300: 8086:0042 (rev 02) (prog-if 00 [VGA controller]) Subsystem: 8086:0036 Flags: bus master, fast devsel, latency 0, IRQ 43 Memory at fe00 (64-bit, non-prefetchable) [size=4M] Memory at d000 (64-bit, prefetchable) [size=256M] I/O ports at f100 [size=8] Expansion ROM at [disabled] Capabilities: [90] MSI: Enable+ Count=1/1 Maskable- 64bit- Capabilities: [d0] Power Management version 2 Capabilities: [a4] PCI Advanced Features Kernel driver in use: i915 I switched to another user in X, opened a flash video and switched back to the screen of the first user. The screen kept blank and dmesg shows the following digest: [129031.110919] [ cut here ] [129031.110952] kernel BUG at drivers/gpu/drm/i915/i915_gem.c:4045! [129031.110986] invalid opcode: [#1] SMP [129031.111012] last sysfs file: /sys/devices/pci:00/:00:1f.2/host1/target1:0:0/1:0:0:0/block/sdb/uevent [129031.111059] CPU 1 [129031.111071] Modules linked in: cbc aesni_intel cryptd aes_x86_64 aes_generic ecb dm_snapshot ecryptfs i915 drm_kms_helper drm i2c_algo_bit cfbcopyarea i2c_core cfbimgblt cfbfillrect ip6table_filter ip6_tables iptable_filter ip_tables x_tables acpi_cpufreq mperf cpufreq_stats cpufreq_conservative cpufreq_userspace cpufreq_powersave kvm_intel kvm binfmt_misc fuse nls_utf8 bridge stp llc ipv6 reiserfs ext2 loop msr w83627ehf hwmon_vid cifs dm_crypt snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_pcm_oss snd_mixer_oss snd_pcm snd_seq_dummy snd_seq_oss snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq snd_timer snd_seq_device snd evdev video output button soundcore snd_page_alloc processor ext4 mbcache jbd2 crc16 usbhid hid dm_mirror dm_region_hash dm_log dm_mod sd_mod ahci libahci libata ehci_hcd scsi_mod e1000e thermal thermal_sys [last unloaded: scsi
kernel BUG at drivers/gpu/drm/i915/i915_gem.c:4045
Hi, my OS is a Debian testing with self compiled 2.6.36.1 vanilla kernel. CPU is "model name : Intel(R) Core(TM) i5 CPU 661 @ 3.33GHz" which contains the graphic chip and motherboard is an intel DH55HC. digest of boot log: [ 31.334582] [drm] Initialized drm 1.1.0 20060810 [ 31.347415] i915 :00:02.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16 [ 31.347420] i915 :00:02.0: setting latency timer to 64 [ 31.377104] i915 :00:02.0: irq 43 for MSI/MSI-X [ 31.377113] [drm] set up 31M of stolen space [ 32.100419] fb0: inteldrmfb frame buffer device [ 32.100421] drm: registered panic notifier [ 32.101007] [drm] Initialized i915 1.6.0 20080730 for :00:02.0 on minor 0 $ cat /proc/interrupts CPU0 CPU1 CPU2 CPU3 0: 41 2 2 2 IO-APIC-edge timer 1: 1078 1054 1007 1066 IO-APIC-edge i8042 8: 0 0 0 1 IO-APIC-edge rtc0 9: 0 0 0 0 IO-APIC-fasteoi acpi 16: 4753 4806 4909 4787 IO-APIC-fasteoi ehci_hcd:usb1 17: 0 0 1 0 IO-APIC-fasteoi 23: 8 7 8 7 IO-APIC-fasteoi ehci_hcd:usb2 40: 563021 563010 562925 563092 PCI-MSI-edge eth0 41: 10340 10333 10243 10292 PCI-MSI-edge ahci 42: 17729 17816 17629 17817 PCI-MSI-edge hda_intel 43: 54557 54442 54760 54398 PCI-MSI-edge i915 NMI: 0 0 0 0 Non-maskable interrupts LOC: 423429 423651 430418 434414 Local timer interrupts SPU: 0 0 0 0 Spurious interrupts PMI: 0 0 0 0 Performance monitoring interrupts PND: 0 0 0 0 Performance pending work RES: 102315 106505 109466 106257 Rescheduling interrupts CAL: 15015 5403 14241 4556 Function call interrupts TLB: 1068743685 1268 TLB shootdowns TRM: 0 0 0 0 Thermal event interrupts THR: 0 0 0 0 Threshold APIC interrupts MCE: 0 0 0 0 Machine check exceptions MCP: 8 8 8 8 Machine check polls ERR: 3 MIS: 0 $ cat mtrr reg00: base=0x0 (0MB), size= 2048MB, count=1: write-back reg01: base=0x08000 ( 2048MB), size= 1024MB, count=1: write-back reg02: base=0x0c000 ( 3072MB), size= 128MB, count=1: write-back reg03: base=0x0c800 ( 3200MB), size= 64MB, count=1: write-back reg04: base=0x1 ( 4096MB), size= 512MB, count=1: write-back reg05: base=0x12000 ( 4608MB), size= 128MB, count=1: write-back reg06: base=0x0d000 ( 3328MB), size= 256MB, count=1: write-combining digest of lspci -v -n 00:02.0 0300: 8086:0042 (rev 02) (prog-if 00 [VGA controller]) Subsystem: 8086:0036 Flags: bus master, fast devsel, latency 0, IRQ 43 Memory at fe00 (64-bit, non-prefetchable) [size=4M] Memory at d000 (64-bit, prefetchable) [size=256M] I/O ports at f100 [size=8] Expansion ROM at [disabled] Capabilities: [90] MSI: Enable+ Count=1/1 Maskable- 64bit- Capabilities: [d0] Power Management version 2 Capabilities: [a4] PCI Advanced Features Kernel driver in use: i915 I switched to another user in X, opened a flash video and switched back to the screen of the first user. The screen kept blank and dmesg shows the following digest: [129031.110919] [ cut here ] [129031.110952] kernel BUG at drivers/gpu/drm/i915/i915_gem.c:4045! [129031.110986] invalid opcode: [#1] SMP [129031.111012] last sysfs file: /sys/devices/pci:00/:00:1f.2/host1/target1:0:0/1:0:0:0/block/sdb/uevent [129031.111059] CPU 1 [129031.111071] Modules linked in: cbc aesni_intel cryptd aes_x86_64 aes_generic ecb dm_snapshot ecryptfs i915 drm_kms_helper drm i2c_algo_bit cfbcopyarea i2c_core cfbimgblt cfbfillrect ip6table_filter ip6_tables iptable_filter ip_tables x_tables acpi_cpufreq mperf cpufreq_stats cpufreq_conservative cpufreq_userspace cpufreq_powersave kvm_intel kvm binfmt_misc fuse nls_utf8 bridge stp llc ipv6 reiserfs ext2 loop msr w83627ehf hwmon_vid cifs dm_crypt snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_pcm_oss snd_mixer_oss snd_pcm snd_seq_dummy snd_seq_oss snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq snd_timer snd_seq_device snd evdev video output button soundcore snd_page_alloc processor ext4 mbcache jbd2 crc16 usbhid hid dm_mirror dm_region_hash dm_log dm_mod sd_mod ahci libahci libata ehci_hcd scsi_mod e1000e thermal thermal_sys [last unloaded: scsi
