My debain installation on lenovo laptop is crashing at random times. Logs I can see in /var/log/message are :
May 23 13:42:48 debian kernel: [ 5186.468312] Call Trace:
May 23 13:42:48 debian kernel: [ 5186.468318] <IRQ> [<ffffffff81046a55>] ? warn_slowpath_common+0x78/0x8c
May 23 13:42:48 debian kernel: [ 5186.468341] [<ffffffff81046b01>] ? warn_slowpath_fmt+0x45/0x4a
May 23 13:42:48 debian kernel: [ 5186.468356] [<ffffffff811b24b0>] ? delay_tsc+0x29/0x5e
May 23 13:42:48 debian kernel: [ 5186.468375] [<ffffffffa037a3cb>] ? gen6_gt_check_fifodbg.isra.5+0x2c/0x3c [i915]
May 23 13:42:48 debian kernel: [ 5186.468396] [<ffffffffa037a886>] ? i915_read32+0x6f/0xa0 [i915]
May 23 13:42:48 debian kernel: [ 5186.468415] [<ffffffffa03b2e41>] ? kick_ring+0x20/0x5c [i915]
May 23 13:42:48 debian kernel: [ 5186.468436] [<ffffffffa0381373>] ? i915_hangcheck_elapsed+0x1ea/0x24f [i915]
May 23 13:42:48 debian kernel: [ 5186.468448] [<ffffffff81052208>] ? run_timer_softirq+0x19a/0x261
May 23 13:42:48 debian kernel: [ 5186.468469] [<ffffffffa0381189>] ? i915_vblank_swap+0x6/0x6 [i915]
May 23 13:42:48 debian kernel: [ 5186.468483] [<ffffffff81065f1d>] ? timekeeping_get_ns+0xd/0x2a
May 23 13:42:48 debian kernel: [ 5186.468495] [<ffffffff8104c094>] ? __do_softirq+0xb9/0x177
May 23 13:42:48 debian kernel: [ 5186.468506] [<ffffffff81354c2c>] ? call_softirq+0x1c/0x30
May 23 13:42:48 debian kernel: [ 5186.468519] [<ffffffff8100f8dd>] ? do_softirq+0x3c/0x7b
May 23 13:42:48 debian kernel: [ 5186.468530] [<ffffffff8104c2fc>] ? irq_exit+0x3c/0x9a
May 23 13:42:48 debian kernel: [ 5186.468542] [<ffffffff810241e0>] ? smp_apic_timer_interrupt+0x74/0x82
May 23 13:42:48 debian kernel: [ 5186.468553] [<ffffffff8135349e>] ? apic_timer_interrupt+0x6e/0x80
May 23 13:42:48 debian kernel: [ 5186.468560] <EOI> [<ffffffff81023ea8>] ? lapic_next_event+0xe/0x13
May 23 13:42:48 debian kernel: [ 5186.468580] [<ffffffff811ed5c9>] ? intel_idle+0xea/0x119
May 23 13:42:48 debian kernel: [ 5186.468591] [<ffffffff811ed5a8>] ? intel_idle+0xc9/0x119
May 23 13:42:48 debian kernel: [ 5186.468604] [<ffffffff8126eccf>] ? cpuidle_idle_call+0xec/0x179
May 23 13:42:48 debian kernel: [ 5186.468616] [<ffffffff8100d243>] ? cpu_idle+0xa5/0xf2
May 23 13:42:48 debian kernel: [ 5186.468628] [<ffffffff816abb36>] ? start_kernel+0x3b8/0x3c3
May 23 13:42:48 debian kernel: [ 5186.468640] [<ffffffff816ab140>] ? early_idt_handlers+0x140/0x140
May 23 13:42:48 debian kernel: [ 5186.468651] [<ffffffff816ab3c4>] ? x86_64_start_kernel+0x104/0x111
May 23 13:42:48 debian kernel: [ 5186.468660] ---[ end trace 22b8d1be0ff68b83 ]---
May 23 13:42:48 debian kernel: [ 5186.471525] ------------[ cut here ]------------
May 23 13:42:48 debian kernel: [ 5186.471553] WARNING: at /build/buildd-linux_3.2.41-2+deb7u2-amd64-NHQI9B/linux-3.2.41/drivers/gpu/drm/i915/i915_drv.c:402 gen6_gt_check_fifodbg.isra.5+0x2c/0x3c [i915]()
May 23 13:42:48 debian kernel: [ 5186.471561] Hardware name: 42919L4
May 23 13:42:48 debian kernel: [ 5186.471565] MMIO read or write has been dropped 3
May 23 13:42:48 debian kernel: [ 5186.471569] Modules linked in: usbhid hid parport_pc ppdev lp parport bnep rfcomm binfmt_misc uinput nfsd nfs nfs_acl auth_rpcgss fscache lockd sunrpc loop snd_hda_codec_hdmi snd_hda_codec_conexant uvcvideo videodev v4l2_compat_ioctl32 media btusb bluetooth snd_hda_intel joydev coretemp snd_hda_codec snd_hwdep crc32c_intel snd_pcm arc4 ghash_clmulni_intel snd_page_alloc i915 aesni_intel drm_kms_helper iwlwifi mac80211 cfg80211 thinkpad_acpi nvram aes_x86_64 aes_generic cryptd drm acpi_cpufreq rfkill battery ac i2c_algo_bit i2c_i801 tpm_tis tpm tpm_bios i2c_core power_supply iTCO_wdt iTCO_vendor_support wmi snd_seq snd_seq_device snd_timer psmouse snd serio_raw soundcore evdev pcspkr mperf video processor button ext4 crc16 jbd2 mbcache dm_mod sg sd_mod crc_t10dif ahci libahci libata thermal thermal_sys scsi_mod sdhci_pci sdhci mmc_core ehci_hcd usbcore e1000e usb_common [last unloaded: scsi_wait_scan]
May 23 13:42:48 debian kernel: [ 5186.471707] Pid: 3198, comm: Xorg Tainted: G W 3.2.0-4-amd64 #1 Debian 3.2.41-2+deb7u2
May 23 13:42:48 debian kernel: [ 5186.471713] Call Trace:
May 23 13:42:48 debian kernel: [ 5186.471725] [<ffffffff81046a55>] ? warn_slowpath_common+0x78/0x8c
May 23 13:42:48 debian kernel: [ 5186.471734] [<ffffffff81046b01>] ? warn_slowpath_fmt+0x45/0x4a
May 23 13:42:48 debian kernel: [ 5186.471745] [<ffffffff811b24b0>] ? delay_tsc+0x29/0x5e
May 23 13:42:48 debian kernel: [ 5186.471761] [<ffffffffa037a3cb>] ? gen6_gt_check_fifodbg.isra.5+0x2c/0x3c [i915]
May 23 13:42:48 debian kernel: [ 5186.471778] [<ffffffffa037a886>] ? i915_read32+0x6f/0xa0 [i915]
May 23 13:42:48 debian kernel: [ 5186.471806] [<ffffffffa03ac30e>] ? gen6_ring_get_seqno+0x21/0x2f [i915]
May 23 13:42:48 debian kernel: [ 5186.471827] [<ffffffffa0388691>] ? i915_gem_retire_requests_ring+0x29/0x181 [i915]
May 23 13:42:48 debian kernel: [ 5186.471850] [<ffffffffa038b331>] ? i915_gem_busy_ioctl+0xb9/0xea [i915]
May 23 13:42:48 debian kernel: [ 5186.471868] [<ffffffffa0252630>] ? drm_ioctl+0x2a2/0x377 [drm]
May 23 13:42:48 debian kernel: [ 5186.471888] [<ffffffffa038b278>] ? i915_gem_unpin_ioctl+0xa5/0xa5 [i915]
May 23 13:42:48 debian kernel: [ 5186.471897] [<ffffffff811afa30>] ? timerqueue_del+0x53/0x63
May 23 13:42:48 debian kernel: [ 5186.471906] [<ffffffff8106212f>] ? __remove_hrtimer+0x2a/0x7f
May 23 13:42:48 debian kernel: [ 5186.471917] [<ffffffff81107225>] ? do_vfs_ioctl+0x459/0x49a
May 23 13:42:48 debian kernel: [ 5186.471926] [<ffffffff8103981a>] ? finish_task_switch+0x4e/0xb9
May 23 13:42:48 debian kernel: [ 5186.471935] [<ffffffff811072b1>] ? sys_ioctl+0x4b/0x72
May 23 13:42:48 debian kernel: [ 5186.471946] [<ffffffff813529d2>] ? system_call_fastpath+0x16/0x1b
May 23 13:42:48 debian kernel: [ 5186.471952] ---[ end trace 22b8d1be0ff68b84 ]---
unni@debian:~$ clear
unni@debian:~$ less systemcrash.log | tail -100
May 23 13:42:48 debian kernel: [ 5186.465978] [<ffffffff8104c2fc>] ? irq_exit+0x3c/0x9a
May 23 13:42:48 debian kernel: [ 5186.465989] [<ffffffff810241e0>] ? smp_apic_timer_interrupt+0x74/0x82
May 23 13:42:48 debian kernel: [ 5186.465996] [<ffffffff8135349e>] ? apic_timer_interrupt+0x6e/0x80
May 23 13:42:48 debian kernel: [ 5186.466001] <EOI> [<ffffffff81023ea8>] ? lapic_next_event+0xe/0x13
May 23 13:42:48 debian kernel: [ 5186.466017] [<ffffffff811ed5c9>] ? intel_idle+0xea/0x119
May 23 13:42:48 debian kernel: [ 5186.466025] [<ffffffff811ed5a8>] ? intel_idle+0xc9/0x119
May 23 13:42:48 debian kernel: [ 5186.466036] [<ffffffff8126eccf>] ? cpuidle_idle_call+0xec/0x179
May 23 13:42:48 debian kernel: [ 5186.466045] [<ffffffff8100d243>] ? cpu_idle+0xa5/0xf2
May 23 13:42:48 debian kernel: [ 5186.466053] [<ffffffff816abb36>] ? start_kernel+0x3b8/0x3c3
May 23 13:42:48 debian kernel: [ 5186.466062] [<ffffffff816ab140>] ? early_idt_handlers+0x140/0x140
May 23 13:42:48 debian kernel: [ 5186.466070] [<ffffffff816ab3c4>] ? x86_64_start_kernel+0x104/0x111
May 23 13:42:48 debian kernel: [ 5186.466077] ---[ end trace 22b8d1be0ff68b81 ]---
May 23 13:42:48 debian kernel: [ 5186.466665] ------------[ cut here ]------------
May 23 13:42:48 debian kernel: [ 5186.466695] WARNING: at /build/buildd-linux_3.2.41-2+deb7u2-amd64-NHQI9B/linux-3.2.41/drivers/gpu/drm/i915/i915_drv.c:402 gen6_gt_check_fifodbg.isra.5+0x2c/0x3c [i915]()
May 23 13:42:48 debian kernel: [ 5186.466709] Hardware name: 42919L4
May 23 13:42:48 debian kernel: [ 5186.466717] MMIO read or write has been dropped 3
May 23 13:42:48 debian kernel: [ 5186.466724] Modules linked in: usbhid hid parport_pc ppdev lp parport bnep rfcomm binfmt_misc uinput nfsd nfs nfs_acl auth_rpcgss fscache lockd sunrpc loop snd_hda_codec_hdmi snd_hda_codec_conexant uvcvideo videodev v4l2_compat_ioctl32 media btusb bluetooth snd_hda_intel joydev coretemp snd_hda_codec snd_hwdep crc32c_intel snd_pcm arc4 ghash_clmulni_intel snd_page_alloc i915 aesni_intel drm_kms_helper iwlwifi mac80211 cfg80211 thinkpad_acpi nvram aes_x86_64 aes_generic cryptd drm acpi_cpufreq rfkill battery ac i2c_algo_bit i2c_i801 tpm_tis tpm tpm_bios i2c_core power_supply iTCO_wdt iTCO_vendor_support wmi snd_seq snd_seq_device snd_timer psmouse snd serio_raw soundcore evdev pcspkr mperf video processor button ext4 crc16 jbd2 mbcache dm_mod sg sd_mod crc_t10dif ahci libahci libata thermal thermal_sys scsi_mod sdhci_pci sdhci mmc_core ehci_hcd usbcore e1000e usb_common [last unloaded: scsi_wait_scan]
May 23 13:42:48 debian kernel: [ 5186.467032] Pid: 0, comm: swapper/0 Tainted: G W 3.2.0-4-amd64 #1 Debian 3.2.41-2+deb7u2
May 23 13:42:48 debian kernel: [ 5186.467040] Call Trace:
May 23 13:42:48 debian kernel: [ 5186.467045] <IRQ> [<ffffffff81046a55>] ? warn_slowpath_common+0x78/0x8c
May 23 13:42:48 debian kernel: [ 5186.467069] [<ffffffff81046b01>] ? warn_slowpath_fmt+0x45/0x4a
May 23 13:42:48 debian kernel: [ 5186.467083] [<ffffffff811b24b0>] ? delay_tsc+0x29/0x5e
May 23 13:42:48 debian kernel: [ 5186.467102] [<ffffffffa037a3cb>] ? gen6_gt_check_fifodbg.isra.5+0x2c/0x3c [i915]
May 23 13:42:48 debian kernel: [ 5186.467123] [<ffffffffa037a886>] ? i915_read32+0x6f/0xa0 [i915]
May 23 13:42:48 debian kernel: [ 5186.467142] [<ffffffffa03b2e41>] ? kick_ring+0x20/0x5c [i915]
May 23 13:42:48 debian kernel: [ 5186.467164] [<ffffffffa0381352>] ? i915_hangcheck_elapsed+0x1c9/0x24f [i915]
May 23 13:42:48 debian kernel: [ 5186.467176] [<ffffffff81052208>] ? run_timer_softirq+0x19a/0x261
May 23 13:42:48 debian kernel: [ 5186.467197] [<ffffffffa0381189>] ? i915_vblank_swap+0x6/0x6 [i915]
May 23 13:42:48 debian kernel: [ 5186.467210] [<ffffffff81065f1d>] ? timekeeping_get_ns+0xd/0x2a
May 23 13:42:48 debian kernel: [ 5186.467222] [<ffffffff8104c094>] ? __do_softirq+0xb9/0x177
May 23 13:42:48 debian kernel: [ 5186.467234] [<ffffffff81354c2c>] ? call_softirq+0x1c/0x30
May 23 13:42:48 debian kernel: [ 5186.467247] [<ffffffff8100f8dd>] ? do_softirq+0x3c/0x7b
May 23 13:42:48 debian kernel: [ 5186.467257] [<ffffffff8104c2fc>] ? irq_exit+0x3c/0x9a
May 23 13:42:48 debian kernel: [ 5186.467269] [<ffffffff810241e0>] ? smp_apic_timer_interrupt+0x74/0x82
May 23 13:42:48 debian kernel: [ 5186.467280] [<ffffffff8135349e>] ? apic_timer_interrupt+0x6e/0x80
May 23 13:42:48 debian kernel: [ 5186.467287] <EOI> [<ffffffff81023ea8>] ? lapic_next_event+0xe/0x13
May 23 13:42:48 debian kernel: [ 5186.467307] [<ffffffff811ed5c9>] ? intel_idle+0xea/0x119
May 23 13:42:48 debian kernel: [ 5186.467318] [<ffffffff811ed5a8>] ? intel_idle+0xc9/0x119
May 23 13:42:48 debian kernel: [ 5186.467331] [<ffffffff8126eccf>] ? cpuidle_idle_call+0xec/0x179
May 23 13:42:48 debian kernel: [ 5186.467343] [<ffffffff8100d243>] ? cpu_idle+0xa5/0xf2
May 23 13:42:48 debian kernel: [ 5186.467355] [<ffffffff816abb36>] ? start_kernel+0x3b8/0x3c3
May 23 13:42:48 debian kernel: [ 5186.467368] [<ffffffff816ab140>] ? early_idt_handlers+0x140/0x140
May 23 13:42:48 debian kernel: [ 5186.467380] [<ffffffff816ab3c4>] ? x86_64_start_kernel+0x104/0x111
May 23 13:42:48 debian kernel: [ 5186.467388] ---[ end trace 22b8d1be0ff68b82 ]---
May 23 13:42:48 debian kernel: [ 5186.467921] ------------[ cut here ]------------
May 23 13:42:48 debian kernel: [ 5186.467947] WARNING: at /build/buildd-linux_3.2.41-2+deb7u2-amd64-NHQI9B/linux-3.2.41/drivers/gpu/drm/i915/i915_drv.c:402 gen6_gt_check_fifodbg.isra.5+0x2c/0x3c [i915]()
May 23 13:42:48 debian kernel: [ 5186.467958] Hardware name: 42919L4
May 23 13:42:48 debian kernel: [ 5186.467963] MMIO read or write has been dropped 3
May 23 13:42:48 debian kernel: [ 5186.467968] Modules linked in: usbhid hid parport_pc ppdev lp parport bnep rfcomm binfmt_misc uinput nfsd nfs nfs_acl auth_rpcgss fscache lockd sunrpc loop snd_hda_codec_hdmi snd_hda_codec_conexant uvcvideo videodev v4l2_compat_ioctl32 media btusb bluetooth snd_hda_intel joydev coretemp snd_hda_codec snd_hwdep crc32c_intel snd_pcm arc4 ghash_clmulni_intel snd_page_alloc i915 aesni_intel drm_kms_helper iwlwifi mac80211 cfg80211 thinkpad_acpi nvram aes_x86_64 aes_generic cryptd drm acpi_cpufreq rfkill battery ac i2c_algo_bit i2c_i801 tpm_tis tpm tpm_bios i2c_core power_supply iTCO_wdt iTCO_vendor_support wmi snd_seq snd_seq_device snd_timer psmouse snd serio_raw soundcore evdev pcspkr mperf video processor button ext4 crc16 jbd2 mbcache dm_mod sg sd_mod crc_t10dif ahci libahci libata thermal thermal_sys scsi_mod sdhci_pci sdhci mmc_core ehci_hcd usbcore e1000e usb_common [last unloaded: scsi_wait_scan]
May 23 13:42:48 debian kernel: [ 5186.468305] Pid: 0, comm: swapper/0 Tainted: G W 3.2.0-4-amd64 #1 Debian 3.2.41-2+deb7u2
May 23 13:42:48 debian kernel: [ 5186.468312] Call Trace:
May 23 13:42:48 debian kernel: [ 5186.468318] <IRQ> [<ffffffff81046a55>] ? warn_slowpath_common+0x78/0x8c
May 23 13:42:48 debian kernel: [ 5186.468341] [<ffffffff81046b01>] ? warn_slowpath_fmt+0x45/0x4a
May 23 13:42:48 debian kernel: [ 5186.468356] [<ffffffff811b24b0>] ? delay_tsc+0x29/0x5e
May 23 13:42:48 debian kernel: [ 5186.468375] [<ffffffffa037a3cb>] ? gen6_gt_check_fifodbg.isra.5+0x2c/0x3c [i915]
May 23 13:42:48 debian kernel: [ 5186.468396] [<ffffffffa037a886>] ? i915_read32+0x6f/0xa0 [i915]
May 23 13:42:48 debian kernel: [ 5186.468415] [<ffffffffa03b2e41>] ? kick_ring+0x20/0x5c [i915]
May 23 13:42:48 debian kernel: [ 5186.468436] [<ffffffffa0381373>] ? i915_hangcheck_elapsed+0x1ea/0x24f [i915]
May 23 13:42:48 debian kernel: [ 5186.468448] [<ffffffff81052208>] ? run_timer_softirq+0x19a/0x261
May 23 13:42:48 debian kernel: [ 5186.468469] [<ffffffffa0381189>] ? i915_vblank_swap+0x6/0x6 [i915]
May 23 13:42:48 debian kernel: [ 5186.468483] [<ffffffff81065f1d>] ? timekeeping_get_ns+0xd/0x2a
May 23 13:42:48 debian kernel: [ 5186.468495] [<ffffffff8104c094>] ? __do_softirq+0xb9/0x177
May 23 13:42:48 debian kernel: [ 5186.468506] [<ffffffff81354c2c>] ? call_softirq+0x1c/0x30
May 23 13:42:48 debian kernel: [ 5186.468519] [<ffffffff8100f8dd>] ? do_softirq+0x3c/0x7b
May 23 13:42:48 debian kernel: [ 5186.468530] [<ffffffff8104c2fc>] ? irq_exit+0x3c/0x9a
May 23 13:42:48 debian kernel: [ 5186.468542] [<ffffffff810241e0>] ? smp_apic_timer_interrupt+0x74/0x82
May 23 13:42:48 debian kernel: [ 5186.468553] [<ffffffff8135349e>] ? apic_timer_interrupt+0x6e/0x80
May 23 13:42:48 debian kernel: [ 5186.468560] <EOI> [<ffffffff81023ea8>] ? lapic_next_event+0xe/0x13
May 23 13:42:48 debian kernel: [ 5186.468580] [<ffffffff811ed5c9>] ? intel_idle+0xea/0x119
May 23 13:42:48 debian kernel: [ 5186.468591] [<ffffffff811ed5a8>] ? intel_idle+0xc9/0x119
May 23 13:42:48 debian kernel: [ 5186.468604] [<ffffffff8126eccf>] ? cpuidle_idle_call+0xec/0x179
May 23 13:42:48 debian kernel: [ 5186.468616] [<ffffffff8100d243>] ? cpu_idle+0xa5/0xf2
May 23 13:42:48 debian kernel: [ 5186.468628] [<ffffffff816abb36>] ? start_kernel+0x3b8/0x3c3
May 23 13:42:48 debian kernel: [ 5186.468640] [<ffffffff816ab140>] ? early_idt_handlers+0x140/0x140
May 23 13:42:48 debian kernel: [ 5186.468651] [<ffffffff816ab3c4>] ? x86_64_start_kernel+0x104/0x111
May 23 13:42:48 debian kernel: [ 5186.468660] ---[ end trace 22b8d1be0ff68b83 ]---
May 23 13:42:48 debian kernel: [ 5186.471525] ------------[ cut here ]------------
May 23 13:42:48 debian kernel: [ 5186.471553] WARNING: at /build/buildd-linux_3.2.41-2+deb7u2-amd64-NHQI9B/linux-3.2.41/drivers/gpu/drm/i915/i915_drv.c:402 gen6_gt_check_fifodbg.isra.5+0x2c/0x3c [i915]()
May 23 13:42:48 debian kernel: [ 5186.471561] Hardware name: 42919L4
May 23 13:42:48 debian kernel: [ 5186.471565] MMIO read or write has been dropped 3
May 23 13:42:48 debian kernel: [ 5186.471569] Modules linked in: usbhid hid parport_pc ppdev lp parport bnep rfcomm binfmt_misc uinput nfsd nfs nfs_acl auth_rpcgss fscache lockd sunrpc loop snd_hda_codec_hdmi snd_hda_codec_conexant uvcvideo videodev v4l2_compat_ioctl32 media btusb bluetooth snd_hda_intel joydev coretemp snd_hda_codec snd_hwdep crc32c_intel snd_pcm arc4 ghash_clmulni_intel snd_page_alloc i915 aesni_intel drm_kms_helper iwlwifi mac80211 cfg80211 thinkpad_acpi nvram aes_x86_64 aes_generic cryptd drm acpi_cpufreq rfkill battery ac i2c_algo_bit i2c_i801 tpm_tis tpm tpm_bios i2c_core power_supply iTCO_wdt iTCO_vendor_support wmi snd_seq snd_seq_device snd_timer psmouse snd serio_raw soundcore evdev pcspkr mperf video processor button ext4 crc16 jbd2 mbcache dm_mod sg sd_mod crc_t10dif ahci libahci libata thermal thermal_sys scsi_mod sdhci_pci sdhci mmc_core ehci_hcd usbcore e1000e usb_common [last unloaded: scsi_wait_scan]
May 23 13:42:48 debian kernel: [ 5186.471707] Pid: 3198, comm: Xorg Tainted: G W 3.2.0-4-amd64 #1 Debian 3.2.41-2+deb7u2
May 23 13:42:48 debian kernel: [ 5186.471713] Call Trace:
May 23 13:42:48 debian kernel: [ 5186.471725] [<ffffffff81046a55>] ? warn_slowpath_common+0x78/0x8c
May 23 13:42:48 debian kernel: [ 5186.471734] [<ffffffff81046b01>] ? warn_slowpath_fmt+0x45/0x4a
May 23 13:42:48 debian kernel: [ 5186.471745] [<ffffffff811b24b0>] ? delay_tsc+0x29/0x5e
May 23 13:42:48 debian kernel: [ 5186.471761] [<ffffffffa037a3cb>] ? gen6_gt_check_fifodbg.isra.5+0x2c/0x3c [i915]
May 23 13:42:48 debian kernel: [ 5186.471778] [<ffffffffa037a886>] ? i915_read32+0x6f/0xa0 [i915]
May 23 13:42:48 debian kernel: [ 5186.471806] [<ffffffffa03ac30e>] ? gen6_ring_get_seqno+0x21/0x2f [i915]
May 23 13:42:48 debian kernel: [ 5186.471827] [<ffffffffa0388691>] ? i915_gem_retire_requests_ring+0x29/0x181 [i915]
May 23 13:42:48 debian kernel: [ 5186.471850] [<ffffffffa038b331>] ? i915_gem_busy_ioctl+0xb9/0xea [i915]
May 23 13:42:48 debian kernel: [ 5186.471868] [<ffffffffa0252630>] ? drm_ioctl+0x2a2/0x377 [drm]
May 23 13:42:48 debian kernel: [ 5186.471888] [<ffffffffa038b278>] ? i915_gem_unpin_ioctl+0xa5/0xa5 [i915]
May 23 13:42:48 debian kernel: [ 5186.471897] [<ffffffff811afa30>] ? timerqueue_del+0x53/0x63
May 23 13:42:48 debian kernel: [ 5186.471906] [<ffffffff8106212f>] ? __remove_hrtimer+0x2a/0x7f
May 23 13:42:48 debian kernel: [ 5186.471917] [<ffffffff81107225>] ? do_vfs_ioctl+0x459/0x49a
May 23 13:42:48 debian kernel: [ 5186.471926] [<ffffffff8103981a>] ? finish_task_switch+0x4e/0xb9
May 23 13:42:48 debian kernel: [ 5186.471935] [<ffffffff811072b1>] ? sys_ioctl+0x4b/0x72
May 23 13:42:48 debian kernel: [ 5186.471946] [<ffffffff813529d2>] ? system_call_fastpath+0x16/0x1b
May 23 13:42:48 debian kernel: [ 5186.471952] ---[ end trace 22b8d1be0ff68b84 ]---