Might also be related to https://bugs.launchpad.net/ubuntu/zesty/+source/unity8-desktop- session/+bug/1632772 since removing unity8-desktop-session also allowed me to log in using gnome shell. However, I still think it shouldn't have caused a null pointer dereference.
-- 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/1685864 Title: System freezes when logging into gnome-shell Status in linux package in Ubuntu: Confirmed Status in linux source package in Zesty: Confirmed Bug description: I upgraded to ubuntu 17.04 this morning, and can no longer login with gnome/gnome(classic)/gnome on wayland. When I try, the UI completely freezes, and keyboard and mouse no longer respond. However, I am able to ssh into the machine, and see that there is a kernel bug in the logs: 10:48:51 kernel: error: failed to run Kubelet: invalid kubeconfig: stat /etc/kubernetes/kubelet.conf: no such file or directory 10:48:51 kernel: I0424 10:48:50.979914 4641 feature_gate.go:144] feature gates: map[] 10:48:51 kernel: ---[ end trace 41c77bd8e97d35e7 ]--- 10:48:51 kernel: CR2: 0000000000000000 10:48:51 kernel: RIP: (null) RSP: ffffc17a44fdfa30 10:48:51 kernel: Code: Bad RIP value. 10:48:51 kernel: R13: 000055f4bf9307b0 R14: 000000000000000a R15: 000055f4bf8f06e0 10:48:51 kernel: R10: 000055f4bf5c0c50 R11: 0000000000003246 R12: 0000000000000130 10:48:51 kernel: RBP: 0000000000001c80 R08: 0000000000000040 R09: 0000000000000780 10:48:51 kernel: RDX: 00007f96d5f0a360 RSI: 00000000c01c64a3 RDI: 000000000000000e 10:48:51 kernel: RAX: ffffffffffffffda RBX: 00007f96e30dcc20 RCX: 00007f96e0afa987 10:48:51 kernel: RSP: 002b:00007f96d5f0a328 EFLAGS: 00003246 ORIG_RAX: 0000000000000010 10:48:51 kernel: RIP: 0033:0x7f96e0afa987 10:48:51 kernel: entry_SYSCALL_64_fastpath+0x1e/0xad 10:48:51 kernel: SyS_ioctl+0x79/0x90 10:48:51 kernel: ? vfs_read+0x96/0x130 10:48:51 kernel: ? __vfs_read+0x18/0x40 10:48:51 kernel: do_vfs_ioctl+0xa3/0x610 10:48:51 kernel: nouveau_drm_ioctl+0x74/0xc0 [nouveau] 10:48:51 kernel: ? _copy_to_user+0x54/0x60 10:48:51 kernel: ? drm_mode_setplane+0x1a0/0x1a0 [drm] 10:48:51 kernel: drm_ioctl+0x21b/0x4c0 [drm] 10:48:51 kernel: drm_mode_cursor_ioctl+0x50/0x70 [drm] 10:48:51 kernel: ? ep_poll_callback+0xef/0x1f0 10:48:51 kernel: drm_mode_cursor_common+0x86/0x180 [drm] 10:48:51 kernel: drm_mode_cursor_universal+0x126/0x210 [drm] 10:48:51 kernel: ? __ww_mutex_lock_slowpath+0x29a/0x3d0 10:48:51 kernel: __setplane_internal+0x1b4/0x280 [drm] 10:48:51 kernel: drm_atomic_helper_update_plane+0xec/0x150 [drm_kms_helper] 10:48:51 kernel: drm_atomic_commit+0x4b/0x50 [drm] 10:48:51 kernel: nv50_disp_atomic_commit+0x19c/0x2a0 [nouveau] 10:48:51 kernel: drm_atomic_helper_wait_for_fences+0x48/0x120 [drm_kms_helper] 10:48:51 kernel: ? dma_fence_wait_timeout+0x39/0xf0 10:48:51 kernel: Call Trace: 10:48:51 kernel: CR2: 0000000000000000 CR3: 00000007ed6df000 CR4: 00000000000406e0 10:48:51 kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 10:48:51 kernel: FS: 00007f96d5f0c700(0000) GS:ffff9aeefed00000(0000) knlGS:0000000000000000 10:48:51 kernel: R13: 0000000000000001 R14: 7fffffffffffffff R15: 0000000000000001 10:48:51 kernel: R10: ffff9aeed329b780 R11: ffff9aeed1157c08 R12: ffff9aeed08c6480 10:48:51 kernel: RBP: ffffc17a44fdfa58 R08: 0000000000000000 R09: ffff9aeed272a000 10:48:51 kernel: RDX: 7fffffffffffffff RSI: 0000000000000001 RDI: ffff9aeed08c6480 10:48:51 kernel: RAX: ffff9aeed3402000 RBX: ffff9aee6883b000 RCX: ffffffffc047afa0 10:48:51 kernel: RSP: 0018:ffffc17a44fdfa30 EFLAGS: 00010206 10:48:51 kernel: RIP: 0010: (null) 10:48:51 kernel: task: ffff9aeeafb02d00 task.stack: ffffc17a44fdc000 10:48:51 kernel: Hardware name: Gigabyte Technology Co., Ltd. To be filled by O.E.M./GA-990FX-GAMING, BIOS F1 11/05/2015 10:48:51 kernel: CPU: 4 PID: 2212 Comm: InputThread Tainted: G OE 4.10.0-20-generic #22-Ubuntu 10:48:51 kernel: k10temp fam15h_power parport_pc ppdev lp parport ip_tables x_tables autofs4 hid_generic hid_microsoft usbhid hid nouveau mxm_wmi video i2c_algo_bit ttm drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops alx drm nvme mdio ahci nvme_core libahci fjes wmi 10:48:51 kernel: Modules linked in: xt_nat xt_tcpudp veth ipt_MASQUERADE nf_nat_masquerade_ipv4 xfrm_user xfrm_algo iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 xt_addrtype iptable_filter xt_conntrack nf_nat nf_conntrack libcrc32c br_netfilter bridge stp llc aufs pci_stub vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) binfmt_misc snd_hda_codec_hdmi dm_crypt btrfs xor nls_iso8859_1 raid6_pq edac_mce_amd edac_core kvm_amd kvm irqbypass crct10dif_pclmul crc32_pclmul ghash_clmulni_intel pcbc input_leds joydev aesni_intel aes_x86_64 crypto_simd glue_helper cryptd snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_hda_codec snd_seq_midi snd_seq_midi_event snd_hda_core snd_rawmidi snd_hwdep snd_seq snd_pcm snd_seq_device snd_timer tpm_infineon mac_hid snd soundcore shpchp i2c_piix4 10:48:51 kernel: Oops: 0010 [#1] SMP 10:48:51 kernel: 10:48:50 kernel: PGD 0 10:48:50 kernel: IP: (null) 10:48:50 kernel: BUG: unable to handle kernel NULL pointer dereference at (null) Let me know what other information I can provide. ProblemType: Bug DistroRelease: Ubuntu 17.04 Package: linux-image-generic 4.10.0.20.22 ProcVersionSignature: Ubuntu 4.10.0-20.22-generic 4.10.8 Uname: Linux 4.10.0-20-generic x86_64 ApportVersion: 2.20.4-0ubuntu4 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC1: redbrick 6500 F.... pulseaudio /dev/snd/controlC0: redbrick 6500 F.... pulseaudio CurrentDesktop: Unity:Unity7 Date: Mon Apr 24 11:16:20 2017 EcryptfsInUse: Yes HibernationDevice: RESUME=UUID=0c92ceaa-f94b-4a93-8df4-d3a8d65397f6 InstallationDate: Installed on 2016-04-22 (367 days ago) InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1) MachineType: Gigabyte Technology Co., Ltd. To be filled by O.E.M. ProcFB: 0 nouveaufb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.10.0-20-generic.efi.signed root=UUID=68cd6df4-a88f-4604-a099-ae7be33de08a ro iommu=soft quiet splash vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-4.10.0-20-generic N/A linux-backports-modules-4.10.0-20-generic N/A linux-firmware 1.164 RfKill: SourcePackage: linux UpgradeStatus: Upgraded to zesty on 2017-04-24 (0 days ago) dmi.bios.date: 11/05/2015 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: F1 dmi.board.asset.tag: To be filled by O.E.M. dmi.board.name: GA-990FX-GAMING dmi.board.vendor: Gigabyte Technology Co., Ltd. dmi.board.version: x.x dmi.chassis.asset.tag: To Be Filled By O.E.M. dmi.chassis.type: 3 dmi.chassis.vendor: Gigabyte Technology Co., Ltd. dmi.chassis.version: To Be Filled By O.E.M. dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrF1:bd11/05/2015:svnGigabyteTechnologyCo.,Ltd.:pnTobefilledbyO.E.M.:pvrTobefilledbyO.E.M.:rvnGigabyteTechnologyCo.,Ltd.:rnGA-990FX-GAMING:rvrx.x:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvrToBeFilledByO.E.M.: dmi.product.name: To be filled by O.E.M. dmi.product.version: To be filled by O.E.M. dmi.sys.vendor: Gigabyte Technology Co., Ltd. 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