<html> <head> <base href="https://bugs.freedesktop.org/"> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW - Panic on shutdown with AMDGPU and Ubuntu Plymouth" href="https://bugs.freedesktop.org/show_bug.cgi?id=98638#c8">Comment # 8</a> on <a class="bz_bug_link bz_status_NEW " title="NEW - Panic on shutdown with AMDGPU and Ubuntu Plymouth" href="https://bugs.freedesktop.org/show_bug.cgi?id=98638">bug 98638</a> from <a class="email" href="mailto:ernstp@gmail.com" title="Ernst Sjöstrand <ernstp@gmail.com>"> Ernst Sjöstrand</a> <pre>Now I got this interesting blob: [ 1457.810773] systemd-shutdown[1]: All swaps deactivated. [ 1457.810777] systemd-shutdown[1]: Detaching loop devices. [ 1457.814471] kvm: exiting hardware virtualization [ 1458.021577] sd 4:0:0:0: [sdd] Synchronizing SCSI cache [ 1458.022423] sd 4:0:0:0: [sdd] Stopping disk [ 1458.058826] sd 3:0:0:0: [sdc] Synchronizing SCSI cache [ 1458.059003] sd 3:0:0:0: [sdc] Stopping disk [ 1458.059179] sd 2:0:0:0: [sdb] Synchronizing SCSI cache [ 1458.059390] sd 2:0:0:0: [sdb] Stopping disk [ 1458.248733] sd 0:0:0:0: [sda] Synchronizing SCSI cache [ 1458.248840] sd 0:0:0:0: [sda] Stopping disk [ 1458.305064] [drm] amdgpu: finishing device. [ 1459.409471] Console: switching to colour dummy device 80x25 [ 1459.417354] BUG: unable to handle kernel NULL pointer dereference at 0000000000000010 [ 1459.417367] IP: [<ffffffffc01f92aa>] amdgpu_fence_wait_empty+0x2a/0xd0 [amdgpu] [ 1459.417398] PGD 0 [ 1459.417401] [ 1459.417405] Oops: 0000 [#1] SMP [ 1459.417409] Modules linked in: netconsole configfs binfmt_misc eeepc_wmi asus_wmi mxm_wmi video sparse_keymap intel_rapl x86_pkg_temp_thermal kvm_intel kvm snd_hda_codec_realtek snd_hda_codec_generic snd_hda_codec_hdmi snd_hda_intel snd_hda_codec snd_hda_core irqbypass snd_pcm input_leds crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hwdep snd_seq_midi aesni_intel snd_seq_midi_event aes_x86_64 snd_rawmidi glue_helper lrw ablk_helper cryptd snd_seq intel_cstate snd_timer intel_rapl_perf snd_seq_device serio_raw snd mei_me mei soundcore lpc_ich mac_hid shpchp wmi sbs sbshc max6650 coretemp parport_pc ppdev lp parport ip_tables x_tables autofs4 btrfs xor raid6_pq hid_generic usbhid hid amdkfd amd_iommu_v2 amdgpu i2c_algo_bit drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops ttm drm psmouse e1000e ahci ptp libahci pps_core fjes [ 1459.417534] CPU: 1 PID: 2847 Comm: plymouthd Not tainted 4.9.0-rc4+ #78 [ 1459.417537] Hardware name: System manufacturer System Product Name/P8P67 PRO REV 3.1, BIOS 1704 06/08/2011 [ 1459.417540] task: ffff92d031034380 task.stack: ffffb33482184000 [ 1459.417543] RIP: 0010:[<ffffffffc01f92aa>] [<ffffffffc01f92aa>] amdgpu_fence_wait_empty+0x2a/0xd0 [amdgpu] [ 1459.417565] RSP: 0018:ffffb33482187af0 EFLAGS: 00010202 [ 1459.417568] RAX: 0000000000000010 RBX: ffff92d02f28a938 RCX: 0000000000000000 [ 1459.417571] RDX: 0000000000000000 RSI: 0000000000004532 RDI: ffff92d02f28c570 [ 1459.417573] RBP: ffffb33482187b00 R08: 0000000000000004 R09: 0000000000030003 [ 1459.417576] R10: 0000000000030303 R11: 0000000000004000 R12: ffff92d02f288000 [ 1459.417578] R13: ffff92d02f28a9b0 R14: ffff92d02fee4800 R15: 0000000000000000 [ 1459.417582] FS: 00007f86ba048b80(0000) GS:ffff92d03f480000(0000) knlGS:0000000000000000 [ 1459.417585] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1459.417587] CR2: 0000000000000010 CR3: 00000002301b6000 CR4: 00000000000406e0 [ 1459.417590] Stack: [ 1459.417592] ffff92d02fee4800 ffff92d02f28a938 ffffb33482187b40 ffffffffc02096d2 [ 1459.417600] ffffb33482187b40 0000000028d54302 ffff92d02f514000 ffff92d02f288000 [ 1459.417608] 0000000000000000 0000000000000003 ffffb33482187b68 ffffffffc0227945 [ 1459.417615] Call Trace: [ 1459.417640] [<ffffffffc02096d2>] amdgpu_pm_compute_clocks+0x92/0x560 [amdgpu] [ 1459.417666] [<ffffffffc0227945>] dce_v10_0_crtc_dpms+0xd5/0x110 [amdgpu] [ 1459.417676] [<ffffffffc01ae4e2>] drm_helper_connector_dpms+0x82/0x100 [drm_kms_helper] [ 1459.417700] [<ffffffffc0227870>] ? dce_v10_0_bandwidth_update+0x260/0x260 [amdgpu] [ 1459.417709] [<ffffffffc01af91f>] drm_crtc_helper_set_config+0xabf/0xaf0 [drm_kms_helper] [ 1459.417731] [<ffffffffc01ff148>] amdgpu_crtc_set_config+0x48/0x120 [amdgpu] [ 1459.417749] [<ffffffffc0118cd5>] drm_mode_set_config_internal+0x65/0x110 [drm] [ 1459.417765] [<ffffffffc011a4bd>] drm_mode_setcrtc+0x3fd/0x4f0 [drm] [ 1459.417779] [<ffffffffc0110f8b>] drm_ioctl+0x21b/0x4c0 [drm] [ 1459.417794] [<ffffffffc011a0c0>] ? drm_mode_getcrtc+0x140/0x140 [drm] [ 1459.417812] [<ffffffffc01e804f>] amdgpu_drm_ioctl+0x4f/0x90 [amdgpu] [ 1459.417819] [<ffffffffb7440c03>] do_vfs_ioctl+0xa3/0x600 [ 1459.417823] [<ffffffffb74411d9>] SyS_ioctl+0x79/0x90 [ 1459.417829] [<ffffffffb7a60b3b>] entry_SYSCALL_64_fastpath+0x1e/0xad [ 1459.417832] Code: 90 66 66 66 66 90 8b 47 20 85 c0 0f 84 9a 00 00 00 55 48 89 e5 53 48 83 ec 08 23 87 88 00 00 00 48 8b 97 90 00 00 00 48 8d 04 c2 <48> 8b 18 48 85 db 74 6f 8b 0b 85 c9 74 69 8d 51 01 89 c8 f0 0f [ 1459.417923] RIP [<ffffffffc01f92aa>] amdgpu_fence_wait_empty+0x2a/0xd0 [amdgpu] [ 1459.417945] RSP <ffffb33482187af0> [ 1459.417947] CR2: 0000000000000010 [ 1459.417951] ---[ end trace 71c209200bdc61d0 ]---</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the assignee for the bug.</li> </ul> </body> </html>