Same problem here Hardware: Dell XPS 15 9530-2699
Syslog says: Apr 23 20:13:08 moe kernel: [ 23.238733] ------------[ cut here ]------------ Apr 23 20:13:08 moe kernel: [ 23.238734] kernel BUG at /build/buildd/linux-3.19.0/drivers/gpu/drm/drm_crtc.c:537! Apr 23 20:13:08 moe kernel: [ 23.238736] invalid opcode: 0000 [#1] SMP Apr 23 20:13:08 moe kernel: [ 23.238753] Modules linked in: nvram des3_ede_x86_64 des_generic md4 nls_utf8 cifs fscache ctr ccm binfmt_misc bnep nls_iso8859_1 uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core v4l2_common btusb videodev bluetooth media hid_multitouch arc4 pn544_mei mei_phy pn544 hci nfc dell_wmi sparse_keymap intel_rapl iosf_mbi x86_pkg_temp_thermal intel_powerclamp dell_laptop coretemp dcdbas snd_hda_codec_hdmi kvm_intel snd_hda_codec_realtek kvm snd_hda_codec_generic snd_hda_intel snd_hda_controller iwlmvm crct10dif_pclmul snd_hda_codec crc32_pclmul ghash_clmulni_intel snd_hwdep mac80211 aesni_intel snd_pcm aes_x86_64 lrw snd_seq_midi gf128mul snd_seq_midi_event glue_helper ablk_helper snd_rawmidi cryptd iwlwifi joydev snd_seq serio_raw snd_seq_device rtsx_pci_ms snd_timer cfg80211 memstick snd mei_me mei lpc_ich ie31200_edac soundcore shpchp edac_core int3403_thermal dell_smo8800 int3402_thermal mac_hid intel_smartconnect intel_rst int3400_thermal proces sor_thermal_device acpi_thermal_rel parport_pc ppdev lp parport autofs4 usbhid hid rtsx_pci_sdmmc nouveau i915 mxm_wmi ttm i2c_algo_bit psmouse drm_kms_helper ahci drm libahci rtsx_pci video wmi Apr 23 20:13:08 moe kernel: [ 23.238763] CPU: 3 PID: 1407 Comm: Xorg Not tainted 3.19.0-15-generic #15-Ubuntu Apr 23 20:13:08 moe kernel: [ 23.238764] Hardware name: Dell Inc. XPS 15 9530/XPS 15 9530, BIOS A08 01/08/2015 Apr 23 20:13:08 moe kernel: [ 23.238765] task: ffff880417276220 ti: ffff880419f2c000 task.ti: ffff880419f2c000 Apr 23 20:13:08 moe kernel: [ 23.238780] RIP: 0010:[<ffffffffc0066259>] [<ffffffffc0066259>] drm_framebuffer_free_bug+0x9/0x10 [drm] Apr 23 20:13:08 moe kernel: [ 23.238781] RSP: 0018:ffff880419f2fa38 EFLAGS: 00010246 Apr 23 20:13:08 moe kernel: [ 23.238782] RAX: 0000000000000000 RBX: ffff880417a8ac00 RCX: 0000000000000008 Apr 23 20:13:08 moe kernel: [ 23.238782] RDX: 0000000080000000 RSI: 0000000000000002 RDI: ffff8800bc4cb788 Apr 23 20:13:08 moe kernel: [ 23.238783] RBP: ffff880419f2fa38 R08: ffffffffc0233785 R09: ffff88041d187390 Apr 23 20:13:08 moe kernel: [ 23.238783] R10: 0000000000000003 R11: 0000000000000001 R12: ffff8800bc4cb780 Apr 23 20:13:08 moe kernel: [ 23.238784] R13: ffff8804170a8d00 R14: ffff88041d187378 R15: ffff88041cc2a000 Apr 23 20:13:08 moe kernel: [ 23.238785] FS: 00007f6da4c0f980(0000) GS:ffff88042fac0000(0000) knlGS:0000000000000000 Apr 23 20:13:08 moe kernel: [ 23.238786] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Apr 23 20:13:08 moe kernel: [ 23.238786] CR2: 00007f6da4c44000 CR3: 000000041d3ef000 CR4: 00000000001407e0 Apr 23 20:13:08 moe kernel: [ 23.238787] Stack: Apr 23 20:13:08 moe kernel: [ 23.238788] ffff880419f2fa58 ffffffffc0067d2d ffff880417a8ac00 ffff88041d187000 Apr 23 20:13:08 moe kernel: [ 23.238789] ffff880419f2fa98 ffffffffc00f5ca1 0000000000000001 ffff8804170a8d00 Apr 23 20:13:08 moe kernel: [ 23.238790] ffff88041d187000 ffff88041cc2a060 0000000000000080 ffff88041cc2a000 Apr 23 20:13:08 moe kernel: [ 23.238790] Call Trace: Apr 23 20:13:08 moe kernel: [ 23.238803] [<ffffffffc0067d2d>] drm_plane_force_disable+0x9d/0xd0 [drm] Apr 23 20:13:08 moe kernel: [ 23.238812] [<ffffffffc00f5ca1>] restore_fbdev_mode+0x51/0xf0 [drm_kms_helper] Apr 23 20:13:08 moe kernel: [ 23.238818] [<ffffffffc00f7d89>] drm_fb_helper_restore_fbdev_mode_unlocked+0x29/0x80 [drm_kms_helper] Apr 23 20:13:08 moe kernel: [ 23.238824] [<ffffffffc00f7e02>] drm_fb_helper_set_par+0x22/0x50 [drm_kms_helper] Apr 23 20:13:08 moe kernel: [ 23.238844] [<ffffffffc01e029a>] intel_fbdev_set_par+0x1a/0x60 [i915] Apr 23 20:13:08 moe kernel: [ 23.238847] [<ffffffff814339da>] fb_set_var+0x18a/0x410 Apr 23 20:13:08 moe kernel: [ 23.238850] [<ffffffff811d4145>] ? __slab_free+0xa5/0x320 Apr 23 20:13:08 moe kernel: [ 23.238852] [<ffffffff8142a409>] fbcon_blank+0x229/0x300 Apr 23 20:13:08 moe kernel: [ 23.238854] [<ffffffff81228420>] ? __find_get_block+0xf0/0x120 Apr 23 20:13:08 moe kernel: [ 23.238857] [<ffffffff814ba03a>] do_unblank_screen+0xba/0x1f0 Apr 23 20:13:08 moe kernel: [ 23.238860] [<ffffffff814b0faa>] vt_ioctl+0x13ea/0x1460 Apr 23 20:13:08 moe kernel: [ 23.238862] [<ffffffff814a2df1>] tty_ioctl+0x411/0xcb0 Apr 23 20:13:08 moe kernel: [ 23.238864] [<ffffffff8119cf21>] ? kzfree+0x31/0x40 Apr 23 20:13:08 moe kernel: [ 23.238866] [<ffffffff811d476e>] ? kfree+0x13e/0x150 Apr 23 20:13:08 moe kernel: [ 23.238868] [<ffffffff8120b4ca>] ? dput+0x2a/0x1c0 Apr 23 20:13:08 moe kernel: [ 23.238870] [<ffffffff81207b40>] do_vfs_ioctl+0x2e0/0x4e0 Apr 23 20:13:08 moe kernel: [ 23.238872] [<ffffffff811f514e>] ? ____fput+0xe/0x10 Apr 23 20:13:08 moe kernel: [ 23.238875] [<ffffffff81092d0c>] ? task_work_run+0xbc/0xf0 Apr 23 20:13:08 moe kernel: [ 23.238876] [<ffffffff81207dc1>] SyS_ioctl+0x81/0xa0 Apr 23 20:13:08 moe kernel: [ 23.238879] [<ffffffff817c934d>] system_call_fastpath+0x16/0x1b Apr 23 20:13:08 moe kernel: [ 23.238891] Code: 0a 76 c1 4c 89 e7 e8 f7 e3 16 c1 48 83 c4 08 5b 41 5c 41 5d 5d c3 66 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 48 89 e5 <0f> 0b 0f 1f 44 00 00 0f 1f 44 00 00 55 48 89 e5 53 48 89 fb 48 Apr 23 20:13:08 moe kernel: [ 23.238901] RIP [<ffffffffc0066259>] drm_framebuffer_free_bug+0x9/0x10 [drm] Apr 23 20:13:08 moe kernel: [ 23.238901] RSP <ffff880419f2fa38> Apr 23 20:13:08 moe kernel: [ 23.238903] ---[ end trace e115b971bcaf660f ]--- Any clues? Now using old kernel 3.16.0-34, works normally. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1443630 Title: kernel BUG at /build/buildd/linux-3.19.0/drivers/gpu/drm/drm_crtc.c:537! To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1443630/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
