Hi Folks, Sames issue for me on my HP Elitebook 8440p. Apr 8 08:09:57 localhost kernel: [ 12.312684] ------------[ cut here ]------------ Apr 8 08:09:57 localhost kernel: [ 12.312691] Could not determine valid watermarks for inherited state Apr 8 08:09:57 localhost kernel: [ 12.312772] WARNING: CPU: 1 PID: 176 at /build/linux-ZcR2Eb/linux-4.15.0/drivers/gpu/drm/i915/intel_display.c:14537 intel_modeset_init+0xfcf/0x1010 [i915] Apr 8 08:09:57 localhost kernel: [ 12.312777] Modules linked in: i915(+) i2c_algo_bit drm_kms_helper sdhci_pci syscopyarea e1000e firewire_ohci sysfillrect ptp sysimgblt firewire_core psmouse sdhci fb_sys_fops ahci crc_itu_t drm libahci pps_core wmi video Apr 8 08:09:57 localhost kernel: [ 12.312792] CPU: 1 PID: 176 Comm: systemd-udevd Not tainted 4.15.0-91-generic #92-Ubuntu Apr 8 08:09:57 localhost kernel: [ 12.312795] Hardware name: Hewlett-Packard HP EliteBook 8440p/172A, BIOS 68CCU Ver. F.0E 08/23/2010 Apr 8 08:09:57 localhost kernel: [ 12.312829] RIP: 0010:intel_modeset_init+0xfcf/0x1010 [i915] Apr 8 08:09:57 localhost kernel: [ 12.312831] RSP: 0018:ffffa699c11fb9b0 EFLAGS: 00010286 Apr 8 08:09:57 localhost kernel: [ 12.312834] RAX: 0000000000000000 RBX: ffff8d57e9220000 RCX: ffffffffae663ae8 Apr 8 08:09:57 localhost kernel: [ 12.312836] RDX: 0000000000000001 RSI: 0000000000000096 RDI: 0000000000000246 Apr 8 08:09:57 localhost kernel: [ 12.312839] RBP: ffffa699c11fba40 R08: 0000000000000307 R09: 0720072007200720 Apr 8 08:09:57 localhost kernel: [ 12.312841] R10: 0000000000000040 R11: 0774077307200764 R12: ffff8d57e8e11800 Apr 8 08:09:57 localhost kernel: [ 12.312844] R13: ffff8d57e8e14c00 R14: 00000000ffffffea R15: ffff8d57e9220358 Apr 8 08:09:57 localhost kernel: [ 12.312847] FS: 00007f820f06c680(0000) GS:ffff8d57fbc40000(0000) knlGS:0000000000000000 Apr 8 08:09:57 localhost kernel: [ 12.312850] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Apr 8 08:09:57 localhost kernel: [ 12.312852] CR2: 0000563df47cf2f8 CR3: 00000001a8764002 CR4: 00000000000206e0 Apr 8 08:09:57 localhost kernel: [ 12.312855] Call Trace: Apr 8 08:09:57 localhost kernel: [ 12.312884] i915_driver_load+0xa73/0xe60 [i915] Apr 8 08:09:57 localhost kernel: [ 12.312912] i915_pci_probe+0x42/0x70 [i915] Apr 8 08:09:57 localhost kernel: [ 12.312919] local_pci_probe+0x47/0xa0 Apr 8 08:09:57 localhost kernel: [ 12.312922] pci_device_probe+0x10e/0x1c0 Apr 8 08:09:57 localhost kernel: [ 12.312928] driver_probe_device+0x30c/0x490 Apr 8 08:09:57 localhost kernel: [ 12.312930] __driver_attach+0xcc/0xf0 Apr 8 08:09:57 localhost kernel: [ 12.312933] ? driver_probe_device+0x490/0x490 Apr 8 08:09:57 localhost kernel: [ 12.312936] bus_for_each_dev+0x70/0xc0 Apr 8 08:09:57 localhost kernel: [ 12.312938] driver_attach+0x1e/0x20 Apr 8 08:09:57 localhost kernel: [ 12.312940] bus_add_driver+0x1c7/0x270 Apr 8 08:09:57 localhost kernel: [ 12.312943] ? 0xffffffffc0582000 Apr 8 08:09:57 localhost kernel: [ 12.312946] driver_register+0x60/0xe0 Apr 8 08:09:57 localhost kernel: [ 12.312948] ? 0xffffffffc0582000 Apr 8 08:09:57 localhost kernel: [ 12.312950] __pci_register_driver+0x5a/0x60 Apr 8 08:09:57 localhost kernel: [ 12.312978] i915_init+0x5c/0x5f [i915] Apr 8 08:09:57 localhost kernel: [ 12.312983] do_one_initcall+0x52/0x19f Apr 8 08:09:57 localhost kernel: [ 12.312988] ? __vunmap+0x8e/0xc0 Apr 8 08:09:57 localhost kernel: [ 12.312992] ? _cond_resched+0x19/0x40 Apr 8 08:09:57 localhost kernel: [ 12.312996] ? kmem_cache_alloc_trace+0xa6/0x1b0 Apr 8 08:09:57 localhost kernel: [ 12.313000] ? do_init_module+0x27/0x213 Apr 8 08:09:57 localhost kernel: [ 12.313003] do_init_module+0x5f/0x213 Apr 8 08:09:57 localhost kernel: [ 12.313006] load_module+0x16bc/0x1f10 Apr 8 08:09:57 localhost kernel: [ 12.313012] ? ima_post_read_file+0x96/0xa0 Apr 8 08:09:57 localhost kernel: [ 12.313015] SYSC_finit_module+0xfc/0x120 Apr 8 08:09:57 localhost kernel: [ 12.313018] ? SYSC_finit_module+0xfc/0x120 Apr 8 08:09:57 localhost kernel: [ 12.313021] SyS_finit_module+0xe/0x10 Apr 8 08:09:57 localhost kernel: [ 12.313024] do_syscall_64+0x73/0x130 Apr 8 08:09:57 localhost kernel: [ 12.313028] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 Apr 8 08:09:57 localhost kernel: [ 12.313031] RIP: 0033:0x7f820eb76839 Apr 8 08:09:57 localhost kernel: [ 12.313032] RSP: 002b:00007ffc630d5928 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 Apr 8 08:09:57 localhost kernel: [ 12.313036] RAX: ffffffffffffffda RBX: 0000563df4788740 RCX: 00007f820eb76839 Apr 8 08:09:57 localhost kernel: [ 12.313038] RDX: 0000000000000000 RSI: 00007f820e855145 RDI: 0000000000000012 Apr 8 08:09:57 localhost kernel: [ 12.313041] RBP: 00007f820e855145 R08: 0000000000000000 R09: 00007ffc630d5a40 Apr 8 08:09:57 localhost kernel: [ 12.313043] R10: 0000000000000012 R11: 0000000000000246 R12: 0000000000000000 Apr 8 08:09:57 localhost kernel: [ 12.313045] R13: 0000563df4798a60 R14: 0000000000020000 R15: 0000563df4788740 Apr 8 08:09:57 localhost kernel: [ 12.313048] Code: e9 46 fc ff ff 48 c7 c6 f7 0d 51 c0 48 c7 c7 4f 01 51 c0 e8 54 b6 e0 ec 0f 0b e9 73 fe ff ff 48 c7 c7 40 66 52 c0 e8 41 b6 e0 ec <0f> 0b e9 4b fe ff ff 48 c7 c6 04 0e 51 c0 48 c7 c7 4f 01 51 c0 Apr 8 08:09:57 localhost kernel: [ 12.313065] ---[ end trace 02ce5f2cfd6a219c ]---
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