Sep 27 07:40:33 george-ThinkPad-T420 kernel: ------------[ cut here ]------------
Sep 27 07:40:33 george-ThinkPad-T420 kernel: Could not determine valid watermarks for inherited state
Sep 27 07:40:33 george-ThinkPad-T420 kernel: WARNING: CPU: 3 PID: 167 at /build/linux-ky93YF/linux-4.15.0/drivers/gpu/drm/i915/intel_display.c:14537 intel_modeset_init+0xfcf/0x1010 [i915]
Sep 27 07:40:33 george-ThinkPad-T420 kernel: Modules linked in: i915(+) i2c_algo_bit drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops e1000e drm sdhci_pci ptp sdhci pps_core ahci psmous
Sep 27 07:40:33 george-ThinkPad-T420 kernel: CPU: 3 PID: 167 Comm: systemd-udevd Not tainted 4.15.0-147-generic #151+9.0trisquel7
Sep 27 07:40:33 george-ThinkPad-T420 kernel: Hardware name: LENOVO 4177QKU/4177QKU, BIOS 83ET53WW (1.23 ) 03/31/2011
Sep 27 07:40:33 george-ThinkPad-T420 kernel: RIP: 0010:intel_modeset_init+0xfcf/0x1010 [i915]
Sep 27 07:40:33 george-ThinkPad-T420 kernel: RSP: 0018:ffffb71b011579b0 EFLAGS: 00010286
Sep 27 07:40:33 george-ThinkPad-T420 kernel: RAX: 0000000000000000 RBX: ffff9210eb5e0000 RCX: ffffffff8c463aa8
Sep 27 07:40:33 george-ThinkPad-T420 kernel: RDX: 0000000000000001 RSI: 0000000000000096 RDI: 0000000000000247
Sep 27 07:40:33 george-ThinkPad-T420 kernel: RBP: ffffb71b01157a40 R08: 0000000000000283 R09: 0000000000000004
Sep 27 07:40:33 george-ThinkPad-T420 kernel: R10: 0000000000000040 R11: 0000000000000001 R12: ffff9210ec104c00
Sep 27 07:40:33 george-ThinkPad-T420 kernel: R13: ffff9210ec194400 R14: 00000000ffffffea R15: ffff9210eb5e0358
Sep 27 07:40:33 george-ThinkPad-T420 kernel: FS:  00007f134a28f680(0000) GS:ffff9210fe2c0000(0000) knlGS:0000000000000000
Sep 27 07:40:33 george-ThinkPad-T420 kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Sep 27 07:40:33 george-ThinkPad-T420 kernel: CR2: 00007f134a274dae CR3: 000000022c0a6001 CR4: 00000000000606e0
Sep 27 07:40:33 george-ThinkPad-T420 kernel: Call Trace:
Sep 27 07:40:33 george-ThinkPad-T420 kernel:  i915_driver_load+0xa73/0xe60 [i915]
Sep 27 07:40:33 george-ThinkPad-T420 kernel:  i915_pci_probe+0x42/0x70 [i915]
Sep 27 07:40:33 george-ThinkPad-T420 kernel:  local_pci_probe+0x47/0xa0
Sep 27 07:40:33 george-ThinkPad-T420 kernel:  pci_device_probe+0xf1/0x1d0
Sep 27 07:40:33 george-ThinkPad-T420 kernel:  driver_probe_device+0x395/0x4a0
Sep 27 07:40:33 george-ThinkPad-T420 kernel:  __driver_attach+0xcc/0xf0
Sep 27 07:40:33 george-ThinkPad-T420 kernel:  ? driver_probe_device+0x4a0/0x4a0
Sep 27 07:40:33 george-ThinkPad-T420 kernel:  bus_for_each_dev+0x70/0xc0
Sep 27 07:40:33 george-ThinkPad-T420 kernel:  driver_attach+0x1e/0x20
Sep 27 07:40:33 george-ThinkPad-T420 kernel:  bus_add_driver+0x1c7/0x270
Sep 27 07:40:33 george-ThinkPad-T420 kernel:  ? 0xffffffffc05ee000
Sep 27 07:40:33 george-ThinkPad-T420 kernel:  driver_register+0x60/0xe0
Sep 27 07:40:33 george-ThinkPad-T420 kernel:  ? 0xffffffffc05ee000
Sep 27 07:40:33 george-ThinkPad-T420 kernel:  __pci_register_driver+0x5a/0x60
Sep 27 07:40:33 george-ThinkPad-T420 kernel:  i915_init+0x5c/0x5f [i915]
Sep 27 07:40:33 george-ThinkPad-T420 kernel:  do_one_initcall+0x52/0x1a0
Sep 27 07:40:33 george-ThinkPad-T420 kernel:  ? __vunmap+0xb5/0xe0
Sep 27 07:40:33 george-ThinkPad-T420 kernel:  ? _cond_resched+0x19/0x40
Sep 27 07:40:33 george-ThinkPad-T420 kernel:  ? kmem_cache_alloc_trace+0x167/0x1d0
Sep 27 07:40:33 george-ThinkPad-T420 kernel:  ? do_init_module+0x27/0x211
Sep 27 07:40:33 george-ThinkPad-T420 kernel:  do_init_module+0x5f/0x211
Sep 27 07:40:33 george-ThinkPad-T420 kernel:  load_module+0x1772/0x2000
Sep 27 07:40:33 george-ThinkPad-T420 kernel:  ? ima_post_read_file+0x96/0xa0
Sep 27 07:40:33 george-ThinkPad-T420 kernel:  SYSC_finit_module+0xfc/0x120
Sep 27 07:40:33 george-ThinkPad-T420 kernel:  ? SYSC_finit_module+0xfc/0x120
Sep 27 07:40:33 george-ThinkPad-T420 kernel:  SyS_finit_module+0xe/0x10
Sep 27 07:40:33 george-ThinkPad-T420 kernel:  do_syscall_64+0x73/0x130
Sep 27 07:40:33 george-ThinkPad-T420 kernel:  entry_SYSCALL_64_after_hwframe+0x41/0xa6
Sep 27 07:40:33 george-ThinkPad-T420 kernel: RIP: 0033:0x7f1349d97639
Sep 27 07:40:33 george-ThinkPad-T420 kernel: RSP: 002b:00007ffda9a4c368 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
Sep 27 07:40:33 george-ThinkPad-T420 kernel: RAX: ffffffffffffffda RBX: 00005619b3ae7530 RCX: 00007f1349d97639
Sep 27 07:40:33 george-ThinkPad-T420 kernel: RDX: 0000000000000000 RSI: 00007f1349a76105 RDI: 0000000000000012
Sep 27 07:40:33 george-ThinkPad-T420 kernel: RBP: 00007f1349a76105 R08: 0000000000000000 R09: 00007ffda9a4c480
Sep 27 07:40:33 george-ThinkPad-T420 kernel: R10: 0000000000000012 R11: 0000000000000246 R12: 0000000000000000
Sep 27 07:40:33 george-ThinkPad-T420 kernel: R13: 00005619b3aee370 R14: 0000000000020000 R15: 00005619b3ae7530
Sep 27 07:40:33 george-ThinkPad-T420 kernel: Code: e9 46 fc ff ff 48 c7 c6 d0 26 58 c0 48 c7 c7 28 1a 58 c0 e8 c4 ea b9 ca 0f 0b e9 73 fe ff ff 48 c7 c7 e0 79 59 c0 e8 b1 ea b9 ca <0f> 0b e9 4b fe 
Sep 27 07:40:33 george-ThinkPad-T420 kernel: ---[ end trace ccb3b81d74820222 ]---
Sep 27 07:40:33 george-ThinkPad-T420 kernel: [drm] Initialized i915 1.6.0 20171023 for 0000:00:02.0 on minor 0
Sep 27 07:40:33 george-ThinkPad-T420 kernel: ACPI: Video Device [VID] (multi-head: yes  rom: no  post: no)