Alec, any updates here? Did you get any chance to bisect the results? Priority is updated as the issue isn't in drmtip.
-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1751268 Title: bionic desktop does not boot with external monitor attached - [drm:ironlake_crtc_enable [i915]] *ERROR* mode set failed: pipe A stuck / vblank wait timed out on crtc 1 Status in Linux: Incomplete Status in linux package in Ubuntu: Incomplete Status in linux source package in Bionic: Incomplete Bug description: Ubuntu Desktop Bionic up to date System doesn't boot with an external monitor attached. There is this message in the journal (full journal attached for this boot) fbcon: inteldrmfb (fb0) is primary device [drm:ironlake_crtc_enable [i915]] *ERROR* mode set failed: pipe A stuck vblank wait timed out on crtc 1 ------------[ cut here ]------------ WARNING: CPU: 3 PID: 201 at /build/linux-UKCsxy/linux-4.13.0/drivers/gpu/drm/drm_vblank.c:1090 drm_wait_one_vblank+0x19b/0x1b0 [drm] Modules linked in: hid_lenovo uas usb_storage rtsx_usb_sdmmc rtsx_usb hid_generic usbhid hid i915 mxm_wmi i2c_algo_bit drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops psmouse ahci libahci drm wmi video CPU: 3 PID: 201 Comm: kworker/u8:6 Tainted: G U 4.13.0-32-generic #35-Ubuntu Hardware name: ASUSTeK COMPUTER INC. UX32VD/UX32VD, BIOS UX32VD.214 01/29/2013 Workqueue: events_unbound async_run_entry_fn task: ffff9760d81cae80 task.stack: ffffb01dc1fb8000 RIP: 0010:drm_wait_one_vblank+0x19b/0x1b0 [drm] RSP: 0018:ffffb01dc1fbb7c8 EFLAGS: 00010282 RAX: 000000000000001f RBX: ffff9760d7080000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000246 RBP: ffffb01dc1fbb828 R08: 000000000000001f R09: 000000000002af84 R10: ffffb01dc1fbb7c8 R11: 000000000000041b R12: 0000000000000001 R13: 0000000000000170 R14: 0000000000000001 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff9760eef80000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f156d6d68f0 CR3: 000000024660a002 CR4: 00000000001606e0 Call Trace: ? wait_woken+0x80/0x80 ironlake_crtc_enable+0x477/0xc00 [i915] ? gen6_write8+0x190/0x190 [i915] intel_update_crtc+0x4b/0xe0 [i915] intel_update_crtcs+0x5b/0x80 [i915] intel_atomic_commit_tail+0x254/0xf90 [i915] ? __schedule+0x293/0x880 intel_atomic_commit+0x3d5/0x490 [i915] ? drm_atomic_check_only+0x37b/0x540 [drm] drm_atomic_commit+0x4b/0x50 [drm] restore_fbdev_mode+0x15e/0x270 [drm_kms_helper] drm_fb_helper_restore_fbdev_mode_unlocked+0x2e/0x80 [drm_kms_helper] drm_fb_helper_set_par+0x2d/0x60 [drm_kms_helper] intel_fbdev_set_par+0x1a/0x70 [i915] fbcon_init+0x484/0x650 visual_init+0xd6/0x130 do_bind_con_driver+0x1fc/0x410 do_take_over_console+0x82/0x1a0 do_fbcon_takeover+0x5c/0xb0 fbcon_event_notify+0x587/0x780 notifier_call_chain+0x4a/0x70 blocking_notifier_call_chain+0x43/0x60 fb_notifier_call_chain+0x1b/0x20 register_framebuffer+0x24d/0x360 drm_fb_helper_initial_config+0x249/0x400 [drm_kms_helper] intel_fbdev_initial_config+0x18/0x30 [i915] async_run_entry_fn+0x36/0x150 process_one_work+0x1e7/0x410 worker_thread+0x4b/0x420 kthread+0x125/0x140 ? process_one_work+0x410/0x410 ? kthread_create_on_node+0x70/0x70 ret_from_fork+0x1f/0x30 Code: ff e8 da 3b 4c d6 48 8b 7d a0 48 8d 75 a8 e8 dd 93 50 d6 45 85 ff 0f 85 0c ff ff ff 44 89 e6 48 c7 c7 d8 eb 3d c0 e8 b6 46 52 d6 <0f> ff e9 f6 fe ff ff 0f 1f 40 00 66 2e 0f 1f 84 00 00 00 00 00 ---[ end trace a1db7ccd0b5e4dfc ]--- ProblemType: Bug DistroRelease: Ubuntu 18.04 Package: linux-image-4.15.0-10-generic 4.15.0-10.11 ProcVersionSignature: Ubuntu 4.15.0-10.11-generic 4.15.3 Uname: Linux 4.15.0-10-generic x86_64 ApportVersion: 2.20.8-0ubuntu10 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC2: j-lallement 3671 F.... pulseaudio /dev/snd/controlC0: j-lallement 3671 F.... pulseaudio /dev/snd/controlC1: j-lallement 3671 F.... pulseaudio CurrentDesktop: ubuntu:GNOME Date: Fri Feb 23 13:58:39 2018 InstallationDate: Installed on 2013-09-03 (1633 days ago) InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Alpha amd64 (20130902) MachineType: ASUSTeK COMPUTER INC. UX32VD ProcEnviron: TERM=screen-256color PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=fr_FR.UTF-8 SHELL=/bin/bash ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-10-generic root=UUID=1004226d-a9db-46c7-bd28-eca0806c12f2 ro pcie_aspm=force drm.vblankoffdelay=1 i915.semaphores=1 init=/lib/systemd/systemd-bootchart RelatedPackageVersions: linux-restricted-modules-4.15.0-10-generic N/A linux-backports-modules-4.15.0-10-generic N/A linux-firmware 1.171 SourcePackage: linux UpgradeStatus: Upgraded to bionic on 2018-01-26 (27 days ago) dmi.bios.date: 01/29/2013 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: UX32VD.214 dmi.board.asset.tag: ATN12345678901234567 dmi.board.name: UX32VD dmi.board.vendor: ASUSTeK COMPUTER INC. dmi.board.version: 1.0 dmi.chassis.asset.tag: No Asset Tag dmi.chassis.type: 10 dmi.chassis.vendor: ASUSTeK COMPUTER INC. dmi.chassis.version: 1.0 dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrUX32VD.214:bd01/29/2013:svnASUSTeKCOMPUTERINC.:pnUX32VD:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnUX32VD:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0: dmi.product.family: UX dmi.product.name: UX32VD dmi.product.version: 1.0 dmi.sys.vendor: ASUSTeK COMPUTER INC. 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