I'm not sure this is good or bad news, but glxgears also crashes the system:
Apr 8 15:13:49 Lenovo-ideapad-310-14ISK kernel: [ 3863.436043] BUG: kernel NULL pointer dereference, address: 0000000000000040 Apr 8 15:13:49 Lenovo-ideapad-310-14ISK kernel: [ 3863.436055] #PF: supervisor read access in kernel mode Apr 8 15:13:49 Lenovo-ideapad-310-14ISK kernel: [ 3863.436056] #PF: error_code(0x0000) - not-present page Apr 8 15:13:49 Lenovo-ideapad-310-14ISK kernel: [ 3863.436058] PGD 0 P4D 0 Apr 8 15:13:49 Lenovo-ideapad-310-14ISK kernel: [ 3863.436064] Oops: 0000 [#1] SMP PTI Apr 8 15:13:49 Lenovo-ideapad-310-14ISK kernel: [ 3863.436070] CPU: 1 PID: 3240 Comm: xfwm4 Tainted: P O 5.4.0-21-generic #25-Ubuntu Apr 8 15:13:49 Lenovo-ideapad-310-14ISK kernel: [ 3863.436072] Hardware name: LENOVO 80UG/Toronto 4A2, BIOS 0XCN45WW 08/09/2018 Apr 8 15:13:49 Lenovo-ideapad-310-14ISK kernel: [ 3863.436211] RIP: 0010:i915_active_acquire+0xe/0x80 [i915] Apr 8 15:13:49 Lenovo-ideapad-310-14ISK kernel: [ 3863.436216] Code: 00 48 c7 c6 a5 9e 95 c0 e8 af b7 8c f7 5d c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 0f 1f 44 00 00 55 48 89 e5 41 55 41 54 53 <8b> 47 38 48 89 fb 85 c0 74 17 8d 50 01 f0 0f b1 53 38 75 f2 45 31 Apr 8 15:13:49 Lenovo-ideapad-310-14ISK kernel: [ 3863.436218] RSP: 0018:ffff9fee46a9f9c8 EFLAGS: 00010286 Apr 8 15:13:49 Lenovo-ideapad-310-14ISK kernel: [ 3863.436221] RAX: 0000000000000000 RBX: ffff93ae8eb42b40 RCX: 0000000000000000 Apr 8 15:13:49 Lenovo-ideapad-310-14ISK kernel: [ 3863.436222] RDX: ffff93ae04cca800 RSI: ffff93ae8eb42b40 RDI: 0000000000000008 Apr 8 15:13:49 Lenovo-ideapad-310-14ISK kernel: [ 3863.436223] RBP: ffff9fee46a9f9e0 R08: ffff93ae24dd85a8 R09: ffff93ae24dd85a0 Apr 8 15:13:49 Lenovo-ideapad-310-14ISK kernel: [ 3863.436224] R10: 0000000000014000 R11: ffff93ae3781bb00 R12: ffff93ae04cca800 Apr 8 15:13:49 Lenovo-ideapad-310-14ISK kernel: [ 3863.436226] R13: 0000000000000008 R14: ffff93ae04cca800 R15: ffff93ae24dd8480 Apr 8 15:13:49 Lenovo-ideapad-310-14ISK kernel: [ 3863.436228] FS: 00007f0d25f6ca80(0000) GS:ffff93ae9e280000(0000) knlGS:0000000000000000 Apr 8 15:13:49 Lenovo-ideapad-310-14ISK kernel: [ 3863.436229] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Apr 8 15:13:49 Lenovo-ideapad-310-14ISK kernel: [ 3863.436230] CR2: 0000000000000040 CR3: 00000004e4e36004 CR4: 00000000003606e0 Apr 8 15:13:49 Lenovo-ideapad-310-14ISK kernel: [ 3863.436232] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 Apr 8 15:13:49 Lenovo-ideapad-310-14ISK kernel: [ 3863.436233] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Apr 8 15:13:49 Lenovo-ideapad-310-14ISK kernel: [ 3863.436234] Call Trace: Apr 8 15:13:49 Lenovo-ideapad-310-14ISK kernel: [ 3863.436361] i915_active_ref+0x24/0x200 [i915] Apr 8 15:13:49 Lenovo-ideapad-310-14ISK kernel: [ 3863.436465] i915_vma_move_to_active+0x74/0xf0 [i915] Apr 8 15:13:49 Lenovo-ideapad-310-14ISK kernel: [ 3863.436555] eb_submit+0xff/0x440 [i915] Apr 8 15:13:49 Lenovo-ideapad-310-14ISK kernel: [ 3863.436631] i915_gem_do_execbuffer+0x88e/0xc20 [i915] Apr 8 15:13:49 Lenovo-ideapad-310-14ISK kernel: [ 3863.436643] ? sock_def_readable+0x40/0x70 Apr 8 15:13:49 Lenovo-ideapad-310-14ISK kernel: [ 3863.436648] ? __kmalloc_node+0x205/0x320 Apr 8 15:13:49 Lenovo-ideapad-310-14ISK kernel: [ 3863.436689] i915_gem_execbuffer2_ioctl+0x2c3/0x3d0 [i915] Apr 8 15:13:49 Lenovo-ideapad-310-14ISK kernel: [ 3863.436721] ? i915_gem_execbuffer_ioctl+0x2d0/0x2d0 [i915] Apr 8 15:13:49 Lenovo-ideapad-310-14ISK kernel: [ 3863.436738] drm_ioctl_kernel+0xae/0xf0 [drm] Apr 8 15:13:49 Lenovo-ideapad-310-14ISK kernel: [ 3863.436753] drm_ioctl+0x234/0x3d0 [drm] Apr 8 15:13:49 Lenovo-ideapad-310-14ISK kernel: [ 3863.436805] ? i915_gem_execbuffer_ioctl+0x2d0/0x2d0 [i915] Apr 8 15:13:49 Lenovo-ideapad-310-14ISK kernel: [ 3863.436817] ? vfs_writev+0xc3/0xf0 Apr 8 15:13:49 Lenovo-ideapad-310-14ISK kernel: [ 3863.436824] do_vfs_ioctl+0x407/0x670 Apr 8 15:13:49 Lenovo-ideapad-310-14ISK kernel: [ 3863.436832] ? fput+0x13/0x15 Apr 8 15:13:49 Lenovo-ideapad-310-14ISK kernel: [ 3863.436843] ? __sys_recvmsg+0x88/0xa0 Apr 8 15:13:49 Lenovo-ideapad-310-14ISK kernel: [ 3863.436854] ksys_ioctl+0x67/0x90 Apr 8 15:13:49 Lenovo-ideapad-310-14ISK kernel: [ 3863.436861] __x64_sys_ioctl+0x1a/0x20 Apr 8 15:13:49 Lenovo-ideapad-310-14ISK kernel: [ 3863.436872] do_syscall_64+0x57/0x190 Apr 8 15:13:49 Lenovo-ideapad-310-14ISK kernel: [ 3863.436882] entry_SYSCALL_64_after_hwframe+0x44/0xa9 Apr 8 15:13:49 Lenovo-ideapad-310-14ISK kernel: [ 3863.436889] RIP: 0033:0x7f0d26e8c37b Apr 8 15:13:49 Lenovo-ideapad-310-14ISK kernel: [ 3863.436896] Code: 0f 1e fa 48 8b 05 15 3b 0d 00 64 c7 00 26 00 00 00 48 c7 c0 ff ff ff ff c3 66 0f 1f 44 00 00 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d e5 3a 0d 00 f7 d8 64 89 01 48 Apr 8 15:13:49 Lenovo-ideapad-310-14ISK kernel: [ 3863.436901] RSP: 002b:00007fff12c59e38 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 Apr 8 15:13:49 Lenovo-ideapad-310-14ISK kernel: [ 3863.436906] RAX: ffffffffffffffda RBX: 000055a45b20c400 RCX: 00007f0d26e8c37b Apr 8 15:13:49 Lenovo-ideapad-310-14ISK kernel: [ 3863.436908] RDX: 00007fff12c59e50 RSI: 0000000040406469 RDI: 000000000000000c Apr 8 15:13:49 Lenovo-ideapad-310-14ISK kernel: [ 3863.436909] RBP: 00007fff12c59ee0 R08: 0000000000000001 R09: 0000000000000000 Apr 8 15:13:49 Lenovo-ideapad-310-14ISK kernel: [ 3863.436910] R10: 00007fff12c59f00 R11: 0000000000000246 R12: 00007f0d1f935ae8 Apr 8 15:13:49 Lenovo-ideapad-310-14ISK kernel: [ 3863.436912] R13: 0000000000000000 R14: 00007fff12c59e50 R15: 000000000000000c Apr 8 15:13:49 Lenovo-ideapad-310-14ISK kernel: [ 3863.436914] Modules linked in: ccm rfcomm veth ip6table_nat xt_MASQUERADE iptable_nat nf_nat xt_CHECKSUM iptable_mangle xt_comment bridge stp llc zfs(PO) zunicode(PO) zavl(PO) icp(PO) zcommon(PO) znvpair(PO) spl(O) zlua(PO) nf_tables nfnetlink cmac algif_hash algif_skcipher af_alg bnep binfmt_misc nls_iso8859_1 intel_rapl_msr intel_rapl_common x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel snd_hda_codec_hdmi snd_hda_codec_conexant snd_hda_codec_generic ledtrig_audio crct10dif_pclmul ghash_clmulni_intel uvcvideo aesni_intel crypto_simd cryptd glue_helper btusb btrtl btbcm snd_hda_intel snd_intel_nhlt snd_hda_codec snd_hda_core mei_hdcp btintel snd_hwdep snd_pcm snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq intel_cstate snd_seq_device snd_timer intel_rapl_perf bluetooth videobuf2_vmalloc ecdh_generic ecc videobuf2_memops videobuf2_v4l2 videobuf2_common videodev snd rtsx_usb_ms joydev input_leds soundcore memstick serio_raw mei_me intel_xhci_usb_role_switch roles mc Apr 8 15:13:49 Lenovo-ideapad-310-14ISK kernel: [ 3863.436952] intel_wmi_thunderbolt intel_pch_thermal mei ideapad_laptop sparse_keymap acpi_pad mac_hid nf_log_ipv6 ip6t_REJECT nf_reject_ipv6 xt_hl ip6t_rt nf_log_ipv4 nf_log_common ipt_REJECT nf_reject_ipv4 xt_LOG xt_limit xt_addrtype xt_tcpudp xt_conntrack nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 sch_fq_codel ip6table_filter ip6_tables iptable_filter bpfilter cuse parport_pc ppdev lp parport ip_tables x_tables autofs4 btrfs xor zstd_compress raid6_pq libcrc32c z3fold rndis_host cdc_ether usbnet usbhid hid usb_storage kvmgt vfio_mdev mdev kvm nbd mii bfq rtsx_usb_sdmmc rtsx_usb ath10k_pci ath10k_core i915 ath mac80211 cfg80211 crc32_pclmul i2c_algo_bit psmouse drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops r8169 ahci i2c_i801 libarc4 realtek libahci wmi drm video Apr 8 15:13:49 Lenovo-ideapad-310-14ISK kernel: [ 3863.437006] CR2: 0000000000000040 Apr 8 15:13:49 Lenovo-ideapad-310-14ISK kernel: [ 3863.437011] ---[ end trace 14825a70ea34e829 ]--- Apr 8 15:13:49 Lenovo-ideapad-310-14ISK kernel: [ 3863.437113] RIP: 0010:i915_active_acquire+0xe/0x80 [i915] Apr 8 15:13:49 Lenovo-ideapad-310-14ISK kernel: [ 3863.437117] Code: 00 48 c7 c6 a5 9e 95 c0 e8 af b7 8c f7 5d c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 0f 1f 44 00 00 55 48 89 e5 41 55 41 54 53 <8b> 47 38 48 89 fb 85 c0 74 17 8d 50 01 f0 0f b1 53 38 75 f2 45 31 Apr 8 15:13:49 Lenovo-ideapad-310-14ISK kernel: [ 3863.437118] RSP: 0018:ffff9fee46a9f9c8 EFLAGS: 00010286 Apr 8 15:13:49 Lenovo-ideapad-310-14ISK kernel: [ 3863.437120] RAX: 0000000000000000 RBX: ffff93ae8eb42b40 RCX: 0000000000000000 Apr 8 15:13:49 Lenovo-ideapad-310-14ISK kernel: [ 3863.437121] RDX: ffff93ae04cca800 RSI: ffff93ae8eb42b40 RDI: 0000000000000008 Apr 8 15:13:49 Lenovo-ideapad-310-14ISK kernel: [ 3863.437122] RBP: ffff9fee46a9f9e0 R08: ffff93ae24dd85a8 R09: ffff93ae24dd85a0 Apr 8 15:13:49 Lenovo-ideapad-310-14ISK kernel: [ 3863.437123] R10: 0000000000014000 R11: ffff93ae3781bb00 R12: ffff93ae04cca800 Apr 8 15:13:49 Lenovo-ideapad-310-14ISK kernel: [ 3863.437124] R13: 0000000000000008 R14: ffff93ae04cca800 R15: ffff93ae24dd8480 Apr 8 15:13:49 Lenovo-ideapad-310-14ISK kernel: [ 3863.437126] FS: 00007f0d25f6ca80(0000) GS:ffff93ae9e280000(0000) knlGS:0000000000000000 Apr 8 15:13:49 Lenovo-ideapad-310-14ISK kernel: [ 3863.437127] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Apr 8 15:13:49 Lenovo-ideapad-310-14ISK kernel: [ 3863.437129] CR2: 0000000000000040 CR3: 00000004e4e36004 CR4: 00000000003606e0 Apr 8 15:13:49 Lenovo-ideapad-310-14ISK kernel: [ 3863.437130] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 Apr 8 15:13:49 Lenovo-ideapad-310-14ISK kernel: [ 3863.437131] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Apr 8 15:13:59 Lenovo-ideapad-310-14ISK kernel: [ 3874.137008] sysrq: Emergency Sync -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1870265 Title: Intel GPU causes BUG: kernel NULL pointer dereference, address: 0000000000000040 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1870265/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
