http://bugzilla.opensuse.org/show_bug.cgi?id=1141437 Bug ID: 1141437 Summary: BUG: unable to handle kernel NULL pointer dereference at 0000000000000018 Classification: openSUSE Product: openSUSE Distribution Version: Leap 15.1 Hardware: Other OS: Other Status: NEW Severity: Normal Priority: P5 - None Component: Kernel Assignee: kernel-maintainers@forge.provo.novell.com Reporter: matwey.kornilov@gmail.com QA Contact: qa-bugs@suse.de Found By: --- Blocker: --- Created attachment 810420 --> http://bugzilla.opensuse.org/attachment.cgi?id=810420&action=edit dmesg.txt Hello, I am running openSUSE Leap 15.1 with 4.12.14-lp151.28.7-default, and my kernel has just crashed. [52873.409505] BUG: unable to handle kernel NULL pointer dereference at 0000000000000018 [52873.409521] IP: swiotlb_unmap_sg_attrs+0x24/0x60 [52873.409524] PGD 0 P4D 0 [52873.409530] Oops: 0000 [#1] SMP PTI [52873.409535] CPU: 2 PID: 31843 Comm: kworker/u8:1 Not tainted 4.12.14-lp151.28.7-default #1 openSUSE Leap 15.1 [52873.409538] Hardware name: Dell Inc. Vostro 5568/0HG2TP, BIOS 1.5.4 01/31/2018 [52873.409590] Workqueue: i915 __i915_gem_free_work [i915] [52873.409594] task: ffff88010090a140 task.stack: ffffc90003024000 [52873.409601] RIP: 0010:swiotlb_unmap_sg_attrs+0x24/0x60 [52873.409604] RSP: 0018:ffffc90003027da8 EFLAGS: 00010216 [52873.409608] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [52873.409611] RDX: 0000000000004000 RSI: 00000001d012c000 RDI: ffff8801a6ad9b40 [52873.409614] RBP: 000000000000001b R08: 0000000000000000 R09: 0000000000000000 [52873.409616] R10: 0000000000000000 R11: ffff88026f7e8000 R12: 0000000000000000 [52873.409619] R13: 0000000000000039 R14: ffff88022ed7c0a8 R15: 0000000000000000 [52873.409623] FS: 0000000000000000(0000) GS:ffff88026f500000(0000) knlGS:0000000000000000 [52873.409626] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [52873.409628] CR2: 0000000000000018 CR3: 000000000200a001 CR4: 00000000003606e0 [52873.409631] Call Trace: [52873.409676] i915_gem_object_put_pages_gtt+0x2e/0x200 [i915] [52873.409717] ? __i915_gem_object_put_pages+0x66/0x80 [i915] [52873.409752] __i915_gem_object_put_pages+0x66/0x80 [i915] [52873.409787] __i915_gem_free_objects+0x12b/0x2a0 [i915] [52873.409823] __i915_gem_free_work+0x5c/0x90 [i915] [52873.409831] process_one_work+0x1da/0x400 [52873.409838] worker_thread+0x2b/0x3f0 [52873.409844] ? process_one_work+0x400/0x400 [52873.409850] kthread+0x113/0x130 [52873.409856] ? kthread_create_worker_on_cpu+0x50/0x50 [52873.409863] ret_from_fork+0x35/0x40 [52873.409868] Code: 00 00 00 00 0f 1f 00 83 f9 03 41 57 41 56 41 55 41 54 55 53 74 48 31 ed 85 d2 49 89 fe 48 89 f3 41 89 d5 41 89 cc 4d 89 c7 7e 28 <8b> 53 18 48 8b 73 10 4d 89 f8 44 89 e1 4c 89 f7 83 c5 01 e8 84 [52873.409937] Modules linked in: hid_generic usbhid fuse cmac rfcomm xt_CHECKSUM ipt_MASQUERADE nf_nat_masquerade_ipv4 tun xt_tcpudp ip6t_rpfilter ip6t_REJECT nf_log_ipv6 ipt_REJECT nf_log_ipv4 nf_log_common xt_LOG xt_pkttype xt_conntrack af_packet devlink ip_set nfnetlink ebtable_nat ebtable_broute bridge stp llc ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6table_mangle ip6table_raw ip6table_security iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack iptable_mangle iptable_raw iptable_security ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter ip_tables x_tables bnep msr dm_thin_pool dm_persistent_data dm_bio_prison dm_bufio libcrc32c nls_iso8859_1 nls_cp437 vfat fat arc4 snd_hda_codec_realtek snd_hda_codec_generic hid_multitouch intel_rapl [52873.410005] x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel iwlmvm kvm irqbypass snd_hda_intel crc32_pclmul ghash_clmulni_intel snd_hda_codec snd_hda_core snd_hwdep pcbc mac80211 snd_pcm dell_laptop dell_wmi ledtrig_audio sparse_keymap wmi_bmof uvcvideo dell_smbios iTCO_wdt iTCO_vendor_support videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 dell_wmi_descriptor dcdbas btusb btrtl videobuf2_core btbcm rtsx_usb_ms btintel dell_smm_hwmon iwlwifi memstick idma64 videodev aesni_intel bluetooth snd_timer aes_x86_64 crypto_simd glue_helper cryptd r8169 joydev ecdh_generic pcspkr snd intel_lpss_pci pinctrl_sunrisepoint mei_me int3403_thermal mii int3402_thermal cfg80211 tpm_crb pinctrl_intel dell_smo8800 wmi battery i2c_i801 processor_thermal_device acpi_pad dell_rbtn soundcore int3400_thermal [52873.410067] int340x_thermal_zone mei intel_soc_dts_iosf acpi_thermal_rel ac rfkill intel_pch_thermal intel_lpss thermal button binfmt_misc btrfs xor zstd_decompress zstd_compress xxhash raid6_pq rtsx_usb_sdmmc mmc_core rtsx_usb i915 i2c_algo_bit crc32c_intel drm_kms_helper syscopyarea sysfillrect sysimgblt xhci_pci fb_sys_fops serio_raw xhci_hcd ahci libahci drm usbcore drm_panel_orientation_quirks i2c_hid video dm_mirror dm_region_hash dm_log sg dm_multipath dm_mod scsi_dh_rdac scsi_dh_emc scsi_dh_alua efivarfs [52873.410110] CR2: 0000000000000018 Fortunately, I have kdump data for this case. Please, find it attached. -- You are receiving this mail because: You are on the CC list for the bug.