Feb 4 15:22:03 mama-tata-laptop kernel: [ 1.818888] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe B FIFO underrun Feb 4 15:22:03 mama-tata-laptop kernel: [ 1.822564] [drm] RC6 disabled, disabling runtime PM support Feb 4 15:22:03 mama-tata-laptop kernel: [ 1.822604] BUG: unable to handle kernel NULL pointer dereference at 0000000000000008 Feb 4 15:22:03 mama-tata-laptop kernel: [ 1.822613] PGD 0 P4D 0 Feb 4 15:22:03 mama-tata-laptop kernel: [ 1.822623] Oops: 0000 [#1] SMP PTI Feb 4 15:22:03 mama-tata-laptop kernel: [ 1.822631] CPU: 0 PID: 176 Comm: systemd-udevd Not tainted 4.18.0-14-generic #15-Ubuntu Feb 4 15:22:03 mama-tata-laptop kernel: [ 1.822639] Hardware name: LENOVO 647814G/647814G, BIOS 7TET36WW (1.10 ) 05/11/2009 Feb 4 15:22:03 mama-tata-laptop kernel: [ 1.822732] RIP: 0010:gen4_render_ring_flush+0x60/0x110 [i915] Feb 4 15:22:03 mama-tata-laptop kernel: [ 1.822737] Code: 00 48 89 df e8 51 fe ff ff 48 3d 00 f0 ff ff 77 6c 44 89 20 48 8d 48 44 c7 40 04 02 40 00 7a 48 8b 53 78 48 8b 92 10 02 00 00 <48> 8b 52 08 48 c7 40 0c 00 00 00 00 83 ca 04 89 50 08 48 8d 50 14 Feb 4 15:22:03 mama-tata-laptop kernel: [ 1.822817] RSP: 0018:ffffb15f80a3f978 EFLAGS: 00010287 Feb 4 15:22:03 mama-tata-laptop kernel: [ 1.822825] RAX: ffffb15f90002000 RBX: ffff967c30438240 RCX: ffffb15f90002044 Feb 4 15:22:03 mama-tata-laptop kernel: [ 1.822832] RDX: 0000000000000000 RSI: 00000000000001a8 RDI: 0000000000000150 Feb 4 15:22:03 mama-tata-laptop kernel: [ 1.822838] RBP: ffffb15f80a3f988 R08: 0000000000000001 R09: 000000003c4a9d47 Feb 4 15:22:03 mama-tata-laptop kernel: [ 1.822846] R10: 00000000181a474d R11: ffff967c30438240 R12: 0000000002000002 Feb 4 15:22:03 mama-tata-laptop kernel: [ 1.822852] R13: ffff967c30438240 R14: ffff967c31389000 R15: ffff967c30dc8000 Feb 4 15:22:03 mama-tata-laptop kernel: [ 1.822860] FS: 00007f8967b738c0(0000) GS:ffff967c3bc00000(0000) knlGS:0000000000000000 Feb 4 15:22:03 mama-tata-laptop kernel: [ 1.822868] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Feb 4 15:22:03 mama-tata-laptop kernel: [ 1.822874] CR2: 0000000000000008 CR3: 0000000130cc4000 CR4: 00000000000006f0 Feb 4 15:22:03 mama-tata-laptop kernel: [ 1.822881] Call Trace: Feb 4 15:22:03 mama-tata-laptop kernel: [ 1.822970] i915_request_alloc+0x24e/0x370 [i915] Feb 4 15:22:03 mama-tata-laptop kernel: [ 1.823055] i915_gem_init+0x26b/0x470 [i915] Feb 4 15:22:03 mama-tata-laptop kernel: [ 1.823131] i915_driver_load+0xab8/0xd80 [i915] Feb 4 15:22:03 mama-tata-laptop kernel: [ 1.823143] ? mutex_lock+0x12/0x30 Feb 4 15:22:03 mama-tata-laptop kernel: [ 1.823219] i915_pci_probe+0x46/0x60 [i915] Feb 4 15:22:03 mama-tata-laptop kernel: [ 1.823229] local_pci_probe+0x46/0x90 Feb 4 15:22:03 mama-tata-laptop kernel: [ 1.823238] pci_device_probe+0x11c/0x1a0 Feb 4 15:22:03 mama-tata-laptop kernel: [ 1.823248] driver_probe_device+0x2e3/0x460 Feb 4 15:22:03 mama-tata-laptop kernel: [ 1.823256] __driver_attach+0xe4/0x110 Feb 4 15:22:03 mama-tata-laptop kernel: [ 1.823263] ? driver_probe_device+0x460/0x460 Feb 4 15:22:03 mama-tata-laptop kernel: [ 1.823271] bus_for_each_dev+0x74/0xb0 Feb 4 15:22:03 mama-tata-laptop kernel: [ 1.823279] ? kmem_cache_alloc_trace+0x1c4/0x1d0 Feb 4 15:22:03 mama-tata-laptop kernel: [ 1.823287] driver_attach+0x1e/0x20 Feb 4 15:22:03 mama-tata-laptop kernel: [ 1.823294] bus_add_driver+0x159/0x230 Feb 4 15:22:03 mama-tata-laptop kernel: [ 1.823301] ? 0xffffffffc02ec000 Feb 4 15:22:03 mama-tata-laptop kernel: [ 1.823309] driver_register+0x70/0xc0 Feb 4 15:22:03 mama-tata-laptop kernel: [ 1.823315] ? 0xffffffffc02ec000 Feb 4 15:22:03 mama-tata-laptop kernel: [ 1.823322] __pci_register_driver+0x57/0x60 Feb 4 15:22:03 mama-tata-laptop kernel: [ 1.823398] i915_init+0x55/0x58 [i915] Feb 4 15:22:03 mama-tata-laptop kernel: [ 1.823407] do_one_initcall+0x4a/0x1c4 Feb 4 15:22:03 mama-tata-laptop kernel: [ 1.823415] ? _cond_resched+0x19/0x30 Feb 4 15:22:03 mama-tata-laptop kernel: [ 1.823422] ? kmem_cache_alloc_trace+0xb8/0x1d0 Feb 4 15:22:03 mama-tata-laptop kernel: [ 1.823430] ? do_init_module+0x27/0x220 Feb 4 15:22:03 mama-tata-laptop kernel: [ 1.823437] do_init_module+0x60/0x220 Feb 4 15:22:03 mama-tata-laptop kernel: [ 1.823445] load_module+0x14f4/0x1890 Feb 4 15:22:03 mama-tata-laptop kernel: [ 1.823455] __do_sys_finit_module+0xbd/0x120 Feb 4 15:22:03 mama-tata-laptop kernel: [ 1.823462] ? __do_sys_finit_module+0xbd/0x120 Feb 4 15:22:03 mama-tata-laptop kernel: [ 1.823471] __x64_sys_finit_module+0x1a/0x20 Feb 4 15:22:03 mama-tata-laptop kernel: [ 1.823479] do_syscall_64+0x5a/0x110 Feb 4 15:22:03 mama-tata-laptop kernel: [ 1.823486] entry_SYSCALL_64_after_hwframe+0x44/0xa9 Feb 4 15:22:03 mama-tata-laptop kernel: [ 1.823493] RIP: 0033:0x7f89685f8219 Feb 4 15:22:03 mama-tata-laptop kernel: [ 1.823498] Code: 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 47 fc 0c 00 f7 d8 64 89 01 48 Feb 4 15:22:03 mama-tata-laptop kernel: [ 1.823578] RSP: 002b:00007ffce755bb28 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 Feb 4 15:22:03 mama-tata-laptop kernel: [ 1.823588] RAX: ffffffffffffffda RBX: 000055919c1f4f70 RCX: 00007f89685f8219 Feb 4 15:22:03 mama-tata-laptop kernel: [ 1.823596] RDX: 0000000000000000 RSI: 00007f89684dccad RDI: 0000000000000012 Feb 4 15:22:03 mama-tata-laptop kernel: [ 1.823603] RBP: 00007f89684dccad R08: 0000000000000000 R09: 0000000000000000 Feb 4 15:22:03 mama-tata-laptop kernel: [ 1.823610] R10: 0000000000000012 R11: 0000000000000246 R12: 0000000000000000 Feb 4 15:22:03 mama-tata-laptop kernel: [ 1.823618] R13: 000055919c1ea340 R14: 0000000000020000 R15: 000055919c1f4f70 Feb 4 15:22:03 mama-tata-laptop kernel: [ 1.823626] Modules linked in: i915(+) psmouse input_leds serio_raw ahci libahci lpc_ich i2c_algo_bit drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops video drm mac_hid Feb 4 15:22:03 mama-tata-laptop kernel: [ 1.823663] CR2: 0000000000000008 Feb 4 15:22:03 mama-tata-laptop kernel: [ 1.823670] ---[ end trace 143cccfd7ac102e9 ]--- Feb 4 15:22:03 mama-tata-laptop kernel: [ 1.823757] RIP: 0010:gen4_render_ring_flush+0x60/0x110 [i915] Feb 4 15:22:03 mama-tata-laptop kernel: [ 1.823763] Code: 00 48 89 df e8 51 fe ff ff 48 3d 00 f0 ff ff 77 6c 44 89 20 48 8d 48 44 c7 40 04 02 40 00 7a 48 8b 53 78 48 8b 92 10 02 00 00 <48> 8b 52 08 48 c7 40 0c 00 00 00 00 83 ca 04 89 50 08 48 8d 50 14 Feb 4 15:22:03 mama-tata-laptop kernel: [ 1.823842] RSP: 0018:ffffb15f80a3f978 EFLAGS: 00010287 Feb 4 15:22:03 mama-tata-laptop kernel: [ 1.823850] RAX: ffffb15f90002000 RBX: ffff967c30438240 RCX: ffffb15f90002044 Feb 4 15:22:03 mama-tata-laptop kernel: [ 1.823858] RDX: 0000000000000000 RSI: 00000000000001a8 RDI: 0000000000000150 Feb 4 15:22:03 mama-tata-laptop kernel: [ 1.823865] RBP: ffffb15f80a3f988 R08: 0000000000000001 R09: 000000003c4a9d47 Feb 4 15:22:03 mama-tata-laptop kernel: [ 1.823872] R10: 00000000181a474d R11: ffff967c30438240 R12: 0000000002000002 Feb 4 15:22:03 mama-tata-laptop kernel: [ 1.823880] R13: ffff967c30438240 R14: ffff967c31389000 R15: ffff967c30dc8000 Feb 4 15:22:03 mama-tata-laptop kernel: [ 1.823888] FS: 00007f8967b738c0(0000) GS:ffff967c3bc00000(0000) knlGS:0000000000000000 Feb 4 15:22:03 mama-tata-laptop kernel: [ 1.823897] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Feb 4 15:22:03 mama-tata-laptop kernel: [ 1.823904] CR2: 0000000000000008 CR3: 0000000130cc4000 CR4: 00000000000006f0 Feb 4 15:22:03 mama-tata-laptop kernel: [ 1.880571] gpio_ich: GPIO from 462 to 511 on gpio_ich
** Attachment added: "kernel log with crash" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1813657/+attachment/5235955/+files/kern.log -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1813657 Title: 4.18.0-14 doesn't boot past grub To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1813657/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
