<html> <head> <base href="https://bugs.freedesktop.org/"> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW - [BAT] igt@vgem_basic@debugfs - dmesg-fails - regression" href="https://bugs.freedesktop.org/show_bug.cgi?id=103703#c1">Comment # 1</a> on <a class="bz_bug_link bz_status_NEW " title="NEW - [BAT] igt@vgem_basic@debugfs - dmesg-fails - regression" href="https://bugs.freedesktop.org/show_bug.cgi?id=103703">bug 103703</a> from <a class="email" href="mailto:elizabethx.de.la.torre.mena@intel.com" title="Elizabeth <elizabethx.de.la.torre.mena@intel.com>"> Elizabeth</a> <pre>This is a me too on BDW, BSW, BXT, BYT, IVB, KBL and SKL: [ 551.084170] BUG: unable to handle kernel NULL pointer dereference at 0000000000000010 [ 551.084193] IP: drm_framebuffer_info+0x78/0xe0 [drm] [ 551.084201] Oops: 0000 [#1] SMP [ 551.084206] Dumping ftrace buffer: [ 551.084211] (ftrace buffer empty) [ 551.084214] Modules linked in: vgem ip6table_filter ip6_tables cmac bnep iptable_filter snd_hda_codec_hdmi arc4 snd_hda_codec_realtek snd_hda_codec_generic intel_rapl x86_pkg_temp_thermal intel_powerclamp snd_hda_intel coretemp snd_hda_codec iwlmvm snd_hda_core kvm_intel snd_hwdep mac80211 kvm snd_pcm irqbypass crct10dif_pclmul crc32_pclmul snd_seq_midi ghash_clmulni_intel snd_seq_midi_event pcbc snd_rawmidi binfmt_misc snd_seq iwlwifi ir_rc6_decoder nls_iso8859_1 snd_seq_device snd_timer aesni_intel cfg80211 aes_x86_64 crypto_simd snd glue_helper cryptd btusb mei_me intel_cstate btrtl input_leds btbcm soundcore mei shpchp intel_pch_thermal hci_uart rc_rc6_mce intel_rapl_perf btqca ir_lirc_codec lirc_dev btintel bluetooth nuvoton_cir rc_core intel_lpss_acpi ecdh_generic intel_lpss acpi_als mac_hid [ 551.084268] kfifo_buf acpi_pad industrialio parport_pc ppdev lp parport ip_tables x_tables autofs4 hid_generic usbhid i915 i2c_algo_bit prime_numbers drm_kms_helper syscopyarea e1000e sysfillrect sysimgblt fb_sys_fops ptp nvme drm pps_core sdhci_pci nvme_core sdhci wmi i2c_hid video hid pinctrl_sunrisepoint pinctrl_intel [ 551.084295] CPU: 7 PID: 4859 Comm: vgem_basic Tainted: G U 4.14.0-rc8-drm-intel-qa-ww46-commit-9a81c14+ #1 [ 551.084298] Hardware name: /NUC6i7KYB, BIOS KYSKLi70.86A.0050.2017.0831.1924 08/31/2017 [ 551.084302] task: ffff950916125d00 task.stack: ffffb188056a4000 [ 551.084316] RIP: 0010:drm_framebuffer_info+0x78/0xe0 [drm] [ 551.084319] RSP: 0018:ffffb188056a7d58 EFLAGS: 00010282 [ 551.084322] RAX: 0000000000000000 RBX: fffffffffffffff8 RCX: 00000000000279a0 [ 551.084325] RDX: ffff950916125d00 RSI: 0000000000000001 RDI: ffff950913f01aa8 [ 551.084328] RBP: ffffb188056a7d90 R08: ffff95093eddf580 R09: ffff95091e002c00 [ 551.084330] R10: ffff950912b85000 R11: ffff950916125d00 R12: ffff950913f01ad0 [ 551.084333] R13: ffff950913f01aa8 R14: 0000000000000001 R15: ffff950911d90b80 [ 551.084336] FS: 00007fc80f95f880(0000) GS:ffff95093edc0000(0000) knlGS:0000000000000000 [ 551.084339] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 551.084342] CR2: 0000000000000010 CR3: 0000000851d4a003 CR4: 00000000003606e0 [ 551.084345] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 551.084347] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 551.084350] Call Trace: [ 551.084365] ? drm_mode_gamma_get_ioctl+0x140/0x140 [drm] [ 551.084372] seq_read+0x9e/0x440 [ 551.084377] full_proxy_read+0x54/0x90 [ 551.084382] __vfs_read+0x37/0x160 [ 551.084386] ? security_file_permission+0x9b/0xc0 [ 551.084390] vfs_read+0x93/0x130 [ 551.084393] SyS_read+0x55/0xc0 [ 551.084397] entry_SYSCALL_64_fastpath+0x1e/0xa9 [ 551.084400] RIP: 0033:0x7fc80eb886d0 [ 551.084402] RSP: 002b:00007fff666a0f38 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 551.084406] RAX: ffffffffffffffda RBX: 00007fc80e133b58 RCX: 00007fc80eb886d0 [ 551.084408] RDX: 000000000000003f RSI: 00000000023b6bc0 RDI: 0000000000000005 [ 551.084411] RBP: 00007fc80e133b00 R08: 0000000000000000 R09: 0000000000000000 [ 551.084414] R10: 00000000023b6bc0 R11: 0000000000000246 R12: 00007fc80e133b58 [ 551.084416] R13: 0000000000008040 R14: 00007fc80e133b58 R15: 000000000000270a [ 551.084420] Code: 14 18 cc 49 8b 84 24 a8 02 00 00 48 a9 f8 ff ff ff 74 6d 49 8b 84 24 d0 02 00 00 49 81 c4 d0 02 00 00 49 39 c4 48 8d 58 f8 74 31 <8b> 53 18 48 8d 7d c8 48 c7 c6 ed b7 39 c0 e8 c5 5c 00 00 48 8d [ 551.084469] RIP: drm_framebuffer_info+0x78/0xe0 [drm] RSP: ffffb188056a7d58 [ 551.084471] CR2: 0000000000000010 [ 551.084478] ---[ end trace 336d5dc896745bac ]---</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the assignee for the bug.</li> <li>You are on the CC list for the bug.</li> <li>You are the QA Contact for the bug.</li> </ul> </body> </html>