Comment 4 for bug 1822987

This issue could be found on Bionic as well, the system can boot to the desktop with nouveau driver.

[ 41.378225] ------------[ cut here ]------------
[ 41.378225] nouveau 0000:01:00.0: timeout
[ 41.378264] WARNING: CPU: 11 PID: 969 at /build/linux-6ZmFRN/linux-4.15.0/drivers/gpu/drm/nouveau/nvkm/subdev/secboot/ls_ucode_msgqueue.c:184 acr_ls_sec2_post_run+0x1fc/0x270 [nouveau]
[ 41.378265] Modules linked in: ccm cmac bnep nls_iso8859_1 arc4 intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp snd_hda_codec_hdmi kvm_intel kvm snd_hda_codec_realtek irqbypass snd_hda_codec_generic crct10dif_pclmul btusb snd_hda_intel snd_hda_codec snd_hda_core btrtl crc32_pclmul snd_hwdep ghash_clmulni_intel pcbc aesni_intel snd_pcm btbcm hid_multitouch aes_x86_64 uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_core videodev dell_laptop ath10k_pci snd_seq_midi snd_seq_midi_event cdc_acm btintel bluetooth crypto_simd snd_rawmidi media ath10k_core snd_seq snd_seq_device snd_timer ath glue_helper ecdh_generic dell_wmi cryptd intel_cstate mac80211 dell_smbios intel_rapl_perf snd idma64 virt_dma wmi_bmof intel_lpss_pci cfg80211 mei_me mei dcdbas intel_wmi_thunderbolt input_leds
[ 41.378283] joydev processor_thermal_device serio_raw int3403_thermal intel_soc_dts_iosf dell_wmi_descriptor shpchp intel_hid soundcore int340x_thermal_zone intel_lpss mac_hid sparse_keymap intel_pch_thermal int3400_thermal acpi_thermal_rel acpi_pad sch_fq_codel parport_pc ppdev lp parport ip_tables x_tables autofs4 hid_generic usbhid nouveau i915 mxm_wmi psmouse ttm i2c_algo_bit drm_kms_helper syscopyarea sysfillrect sysimgblt nvme alx fb_sys_fops mdio ahci nvme_core libahci drm i2c_hid hid wmi video
[ 41.378298] CPU: 11 PID: 969 Comm: gnome-shell Not tainted 4.15.0-47-generic #50-Ubuntu
[ 41.378298] Hardware name: Dell Inc. G7 7588/, BIOS 1.0.1 03/14/2018
[ 41.378312] RIP: 0010:acr_ls_sec2_post_run+0x1fc/0x270 [nouveau]
[ 41.378312] RSP: 0018:ffffb575c405b980 EFLAGS: 00010282
[ 41.378313] RAX: 0000000000000000 RBX: ffff9f241a705f70 RCX: 0000000000000006
[ 41.378314] RDX: 0000000000000007 RSI: 0000000000000086 RDI: ffff9f241eed6490
[ 41.378314] RBP: ffffb575c405b9c0 R08: 0000000000000001 R09: 00000000000003e2
[ 41.378315] R10: 0000000000000000 R11: 0000000000000000 R12: ffff9f240ff8e880
[ 41.378315] R13: 0000000000000040 R14: 0000000000000000 R15: ffff9f240e5ae400
[ 41.378316] FS: 00007f16a81acac0(0000) GS:ffff9f241eec0000(0000) knlGS:0000000000000000
[ 41.378316] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 41.378317] CR2: 000000c4209ff000 CR3: 0000000854c3a002 CR4: 00000000003606e0
[ 41.378317] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 41.378318] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 41.378318] Call Trace:
[ 41.378331] acr_r352_bootstrap+0x247/0x280 [nouveau]
[ 41.378342] acr_r352_reset+0x39/0x240 [nouveau]
[ 41.378356] ? gf100_gr_zbc_clear_depth+0x81/0x90 [nouveau]
[ 41.378368] nvkm_secboot_reset+0x35/0x70 [nouveau]
[ 41.378381] gf100_gr_init_ctxctl_ext+0x65/0x7a0 [nouveau]
[ 41.378394] gf100_gr_init_ctxctl+0x1f5/0x290 [nouveau]
[ 41.378407] gp100_gr_init+0x70b/0x740 [nouveau]
[ 41.378419] gf100_gr_init_+0x5b/0x60 [nouveau]
[ 41.378431] nvkm_gr_init+0x1d/0x20 [nouveau]
[ 41.378438] nvkm_engine_init+0x6b/0x200 [nouveau]
[ 41.378447] nvkm_subdev_init+0xb9/0x200 [nouveau]
[ 41.378453] nvkm_engine_ref+0x4f/0x70 [nouveau]
[ 41.378460] nvkm_ioctl_new+0x27b/0x2c0 [nouveau]
[ 41.378472] ? nvkm_fifo_chan_dtor+0xf0/0xf0 [nouveau]
[ 41.378484] ? gf100_gr_chsw_load+0x50/0x50 [nouveau]
[ 41.378491] nvkm_ioctl+0x11d/0x280 [nouveau]
[ 41.378523] nvkm_client_ioctl+0x12/0x20 [nouveau]
[ 41.378529] nvif_client_ioctl+0x2c/0x30 [nouveau]
[ 41.378581] usif_ioctl+0x629/0x730 [nouveau]
[ 41.378608] nouveau_drm_ioctl+0xaf/0xc0 [nouveau]
[ 41.378610] do_vfs_ioctl+0xa8/0x630
[ 41.378612] ? handle_mm_fault+0xb1/0x1f0
[ 41.378614] ? __do_page_fault+0x270/0x4d0
[ 41.378615] SyS_ioctl+0x79/0x90
[ 41.378617] do_syscall_64+0x73/0x130
[ 41.378619] entry_SYSCALL_64_after_hwframe+0x3d/0xa2
[ 41.378619] RIP: 0033:0x7f16a526c5d7
[ 41.378620] RSP: 002b:00007ffe4c5bf948 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 41.378621] RAX: ffffffffffffffda RBX: 0000000000000038 RCX: 00007f16a526c5d7
[ 41.378621] RDX: 00005581dc5be000 RSI: 00000000c0386447 RDI: 000000000000000f
[ 41.378622] RBP: 00005581dc5be000 R08: 00005581dc5be2f0 R09: 00005581dc5c2360
[ 41.378622] R10: 00005581dc3d1010 R11: 0000000000000246 R12: 00000000c0386447
[ 41.378622] R13: 000000000000000f R14: 00005581dc5be038 R15: 0000000000000000
[ 41.378623] Code: 74 dd e9 69 fe ff ff 49 8b 7f 10 48 8b 5f 50 48 85 db 74 74 e8 d6 43 74 dd 48 89 da 48 89 c6 48 c7 c7 65 2c 5f c0 e8 94 6c 18 dd <0f> 0b e9 ba fe ff ff 48 8b 45 c8 48 8b 78 10 48 8b 5f 50 48 85
[ 41.378639] ---[ end trace cf55533aa802ed4a ]---