From mboxrd@z Thu Jan 1 00:00:00 1970 From: bugzilla-daemon@freedesktop.org Subject: [Bug 97369] AMDGPU/Iceland hangs kernel 4.8-rc2 Date: Tue, 16 Aug 2016 18:03:12 +0000 Message-ID: Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============0066550292==" Return-path: Received: from culpepper.freedesktop.org (culpepper.freedesktop.org [131.252.210.165]) by gabe.freedesktop.org (Postfix) with ESMTP id B519C6E2A5 for ; Tue, 16 Aug 2016 18:03:12 +0000 (UTC) List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: dri-devel@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org --===============0066550292== Content-Type: multipart/alternative; boundary="14713705920.d54A.14548"; charset="UTF-8" --14713705920.d54A.14548 Date: Tue, 16 Aug 2016 18:03:12 +0000 MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://bugs.freedesktop.org/ Auto-Submitted: auto-generated https://bugs.freedesktop.org/show_bug.cgi?id=3D97369 Bug ID: 97369 Summary: AMDGPU/Iceland hangs kernel 4.8-rc2 Product: DRI Version: unspecified Hardware: x86-64 (AMD64) OS: Linux (All) Status: NEW Severity: major Priority: medium Component: DRM/AMDgpu Assignee: dri-devel@lists.freedesktop.org Reporter: krejzi@email.com Since update to 4.8 series, kernel hangs when Xorg tries to start up. I've tracked the issue to amdgpu driver. Blacklisting the driver makes the hang = go away. systemd-journald has recorded the following: Aug 16 19:50:19 krejzi kernel: amdgpu 0000:01:00.0: Refused to change power state, currently in D3 Aug 16 19:50:19 krejzi kernel: amdgpu 0000:01:00.0: Refused to change power state, currently in D3 Aug 16 19:50:19 krejzi kernel: amdgpu 0000:01:00.0: Refused to change power state, currently in D3 Aug 16 19:50:21 krejzi kernel: amdgpu 0000:01:00.0: Wait for MC idle timedo= ut ! Aug 16 19:50:22 krejzi kernel: amdgpu 0000:01:00.0: Wait for MC idle timedo= ut ! Aug 16 19:50:22 krejzi kernel: [drm] PCIE GART of 2048M enabled (table at 0x0000000000040000). Aug 16 19:50:24 krejzi kernel: BUG: unable to handle kernel paging request = at ffffc91c00763fec Aug 16 19:50:24 krejzi kernel: IP: [] iceland_smu_populate_single_firmware_entry+0x4d/0x100 [amdgpu] Aug 16 19:50:24 krejzi kernel: PGD 23700e067 PUD 0=20 Aug 16 19:50:24 krejzi kernel: Oops: 0002 [#1] PREEMPT SMP Aug 16 19:50:24 krejzi kernel: Modules linked in: iwlmvm amdkfd amdgpu ttm iwlwifi intel_vbtn Aug 16 19:50:24 krejzi kernel: CPU: 3 PID: 129 Comm: kworker/3:2 Not tainted 4.8.0-rc2-krejzi #1 Aug 16 19:50:24 krejzi kernel: Hardware name: HP HP ProBook 470 G3/8102, BI= OS N78 Ver. 01.11 05/09/2016 Aug 16 19:50:24 krejzi kernel: Workqueue: pm pm_runtime_work Aug 16 19:50:24 krejzi kernel: task: ffff8802365b9b00 task.stack: ffff88023627c000 Aug 16 19:50:24 krejzi kernel: RIP: 0010:[]=20 [] iceland_smu_populate_single_firmware_entry+0x4d/0x100 [amdgpu] Aug 16 19:50:24 krejzi kernel: RSP: 0018:ffff88023627fc40 EFLAGS: 00010202 Aug 16 19:50:24 krejzi kernel: RAX: 000000008002e000 RBX: ffff880231500000 = RCX: 000000000000007e Aug 16 19:50:24 krejzi kernel: RDX: ffffc91c00763fec RSI: 0000000000000003 = RDI: 0000000000002180 Aug 16 19:50:24 krejzi kernel: RBP: ffffc90000764000 R08: 0000000000000002 = R09: ffff88023627fc34 Aug 16 19:50:24 krejzi kernel: R10: 0000000000000000 R11: 0000000000000001 = R12: ffff880231717500 Aug 16 19:50:24 krejzi kernel: R13: 0000000000008000 R14: 0000000000000000 = R15: 0000000000000246 Aug 16 19:50:24 krejzi kernel: FS: 0000000000000000(0000) GS:ffff8802404c0000(0000) knlGS:0000000000000000 Aug 16 19:50:24 krejzi kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Aug 16 19:50:24 krejzi kernel: CR2: ffffc91c00763fec CR3: 0000000001e07000 = CR4: 00000000003406e0 Aug 16 19:50:24 krejzi kernel: Stack: Aug 16 19:50:24 krejzi kernel: 0000000000000000 ffff8802315005bc ffff880231500000 ffffffffa0085156 Aug 16 19:50:24 krejzi kernel: ffff0040ffffffff ffff880231500000 ffff8802315037b8 0000000000000048 Aug 16 19:50:24 krejzi kernel: 0000000000000002 ffff88023627fdd0 ffff880231500000 ffffffffa008578c Aug 16 19:50:24 krejzi kernel: Call Trace: Aug 16 19:50:24 krejzi kernel: [] ? iceland_smu_start+0x336/0x5d0 [amdgpu] Aug 16 19:50:24 krejzi kernel: [] ? iceland_dpm_resume+0x1c/0x40 [amdgpu] Aug 16 19:50:24 krejzi kernel: [] ? amdgpu_resume+0x58/0= xa0 [amdgpu] Aug 16 19:50:24 krejzi kernel: [] ? amdgpu_resume_kms+0xa3/0x370 [amdgpu] Aug 16 19:50:24 krejzi kernel: [] ? amdgpu_pmops_runtime_resume+0x6c/0xa0 [amdgpu] Aug 16 19:50:24 krejzi kernel: [] ? pci_pm_runtime_resume+0x73/0xa0 Aug 16 19:50:24 krejzi kernel: [] ? vga_switcheroo_set_dynamic_switch+0x80/0x80 Aug 16 19:50:24 krejzi kernel: [] ? __rpm_callback+0x28/= 0x60 Aug 16 19:50:24 krejzi kernel: [] ? rpm_callback+0x1a/0x= 70 Aug 16 19:50:24 krejzi kernel: [] ? vga_switcheroo_set_dynamic_switch+0x80/0x80 Aug 16 19:50:24 krejzi kernel: [] ? rpm_resume+0x3e3/0x5= f0 Aug 16 19:50:24 krejzi kernel: [] ? __switch_to+0x37/0x5= 80 Aug 16 19:50:24 krejzi kernel: [] ? _raw_spin_unlock_irq+0xe/0x20 Aug 16 19:50:24 krejzi kernel: [] ? pm_runtime_work+0x4e/0xa0 Aug 16 19:50:24 krejzi kernel: [] ? process_one_work+0x1c2/0x400 Aug 16 19:50:24 krejzi kernel: [] ? worker_thread+0x42/0= x4c0 Aug 16 19:50:24 krejzi kernel: [] ? __schedule+0x2db/0x6= a0 Aug 16 19:50:24 krejzi kernel: [] ? process_one_work+0x400/0x400 Aug 16 19:50:24 krejzi kernel: [] ? kthread+0xc8/0xe0 Aug 16 19:50:24 krejzi kernel: [] ? ret_from_fork+0x1f/0= x40 Aug 16 19:50:24 krejzi kernel: [] ? kthread_worker_fn+0x170/0x170 Aug 16 19:50:24 krejzi kernel: Code: 05 48 8b 8c 0b e0 65 00 00 48 85 c9 0f= 84 b7 00 00 00 48 8b 49 08 48 05 2f 03 00 00 48 c1 e0 05 48 8b 44 03 08 8b 79 = 14 8b 49 10 <66> 89 32 c7 42 0c 00 00 00 00 66 89 4a 02 48 89 c1 48 c1 e9 20=20 Aug 16 19:50:24 krejzi kernel: RIP [] iceland_smu_populate_single_firmware_entry+0x4d/0x100 [amdgpu] Aug 16 19:50:24 krejzi kernel: RSP Aug 16 19:50:24 krejzi kernel: CR2: ffffc91c00763fec Aug 16 19:50:24 krejzi kernel: ---[ end trace 176c593915795723 ]--- Aug 16 19:50:24 krejzi kernel: general protection fault: 0000 [#2] PREEMPT = SMP Aug 16 19:50:24 krejzi kernel: Modules linked in: iwlmvm amdkfd amdgpu ttm iwlwifi intel_vbtn Aug 16 19:50:24 krejzi kernel: CPU: 3 PID: 129 Comm: kworker/3:2 Tainted: G= =20=20=20=20 D 4.8.0-rc2-krejzi #1 Aug 16 19:50:24 krejzi kernel: Hardware name: HP HP ProBook 470 G3/8102, BI= OS N78 Ver. 01.11 05/09/2016 Aug 16 19:50:24 krejzi kernel: task: ffff8802365b9b00 task.stack: ffff88023627c000 Aug 16 19:50:24 krejzi kernel: RIP: 0010:[]=20 [] queued_spin_lock_slowpath+0x150/0x190 Aug 16 19:50:24 krejzi kernel: RSP: 0018:ffff88023627fe70 EFLAGS: 00010082 Aug 16 19:50:24 krejzi kernel: RAX: ccccccccccce3fbc RBX: ffff88023627ff18 = RCX: ffff8802404d72c0 Aug 16 19:50:24 krejzi kernel: RDX: 0000000000002d47 RSI: ffffffff81c4c914 = RDI: 0000000000100000 Aug 16 19:50:24 krejzi kernel: RBP: 0000000000000000 R08: 00000000000000ff = R09: 0000000000000000 Aug 16 19:50:24 krejzi kernel: R10: 00000000b98c6018 R11: ffff880237003200 = R12: ffff8802404d72c0 Aug 16 19:50:24 krejzi kernel: R13: 0000000000000046 R14: ffffc91c00763fec = R15: 0000000000000009 Aug 16 19:50:24 krejzi kernel: FS: 0000000000000000(0000) GS:ffff8802404c0000(0000) knlGS:0000000000000000 Aug 16 19:50:24 krejzi kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Aug 16 19:50:24 krejzi kernel: CR2: 0000000000000028 CR3: 00000002240c9000 = CR4: 00000000003406e0 Aug 16 19:50:24 krejzi kernel: Stack: Aug 16 19:50:24 krejzi kernel: ffff88023627ff18 0000000000000282 0000000000000000 ffffffff818c4e61 Aug 16 19:50:24 krejzi kernel: ffff88023627ff18 ffff88023627ff10 ffffffff810f7103 ffff8802365ba210 Aug 16 19:50:24 krejzi kernel: ffff8802365b9b00 0000000000000000 ffffffff810bcf9c ffff8802365b9b00 Aug 16 19:50:24 krejzi kernel: Call Trace: Aug 16 19:50:24 krejzi kernel: [] ? _raw_spin_lock_irqsave+0x31/0x40 Aug 16 19:50:24 krejzi kernel: [] ? complete+0x13/0x40 Aug 16 19:50:24 krejzi kernel: [] ? mm_release+0x9c/0x120 Aug 16 19:50:24 krejzi kernel: [] ? do_exit+0x70a/0xad0 Aug 16 19:50:24 krejzi kernel: [] ? rewind_stack_do_exit+0x17/0x20 Aug 16 19:50:24 krejzi kernel: [] ? kthread_worker_fn+0x170/0x170 Aug 16 19:50:24 krejzi kernel: Code: b8 01 00 00 00 66 89 03 5b 5d 41 5c c3= c1 ea 12 83 e0 03 83 ea 01 48 c1 e0 04 48 63 d2 48 05 c0 72 01 00 48 03 04 d5 = 60 03 ea 81 <48> 89 08 8b 41 08 85 c0 75 09 f3 90 8b 41 08 85 c0 74 f7 4c 8b=20 Aug 16 19:50:24 krejzi kernel: RIP [] queued_spin_lock_slowpath+0x150/0x190 Aug 16 19:50:24 krejzi kernel: RSP Aug 16 19:50:24 krejzi kernel: ---[ end trace 176c593915795724 ]--- Aug 16 19:50:24 krejzi kernel: Fixing recursive fault but reboot is needed! Aug 16 19:50:24 krejzi kernel: BUG: scheduling while atomic: kworker/3:2/129/0x00000003 Aug 16 19:50:24 krejzi kernel: Modules linked in: iwlmvm amdkfd amdgpu ttm iwlwifi intel_vbtn Aug 16 19:50:24 krejzi kernel: Preemption disabled at:[< (null)>]= =20=20=20=20=20 (null) Aug 16 19:50:24 krejzi kernel:=20 Aug 16 19:50:24 krejzi kernel: CPU: 3 PID: 129 Comm: kworker/3:2 Tainted: G= =20=20=20=20 D 4.8.0-rc2-krejzi #1 Aug 16 19:50:24 krejzi kernel: Hardware name: HP HP ProBook 470 G3/8102, BI= OS N78 Ver. 01.11 05/09/2016 Aug 16 19:50:24 krejzi kernel: 0000000000000086 00000000b523baa8 ffffffff8132745c ffff8802404d67c0 Aug 16 19:50:24 krejzi kernel: 00000000000167c0 ffffffff810de8a7 ffffffff818c09bf ffff8802365b9b00 Aug 16 19:50:24 krejzi kernel: 00000000b523baa8 ffff880236280000 000000000000000b 0000000000000000 Aug 16 19:50:24 krejzi kernel: Call Trace: Aug 16 19:50:24 krejzi kernel: [] ? dump_stack+0x46/0x5a Aug 16 19:50:24 krejzi kernel: [] ? __schedule_bug+0x57/= 0xb0 Aug 16 19:50:24 krejzi kernel: [] ? __schedule+0x57f/0x6= a0 Aug 16 19:50:24 krejzi kernel: [] ? schedule+0x36/0x90 Aug 16 19:50:24 krejzi kernel: [] ? do_exit+0x8b6/0xad0 Aug 16 19:50:24 krejzi kernel: [] ? rewind_stack_do_exit+0x17/0x20 Aug 16 19:50:24 krejzi kernel: [] ? kthread_worker_fn+0x170/0x170 Aug 16 19:50:24 krejzi kernel: BUG: unable to handle kernel paging request = at ffffffffffffffd8 Aug 16 19:50:24 krejzi kernel: IP: [] kthread_data+0x7/0x= 10 Relevant dmesg output from amdgpu load time (also obtained from journal) Aug 16 19:49:49 krejzi kernel: [drm] amdgpu kernel modesetting enabled. Aug 16 19:49:49 krejzi kernel: vga_switcheroo: detected switching method \_SB_.PCI0.GFX0.ATPX handle Aug 16 19:49:49 krejzi kernel: ATPX version 1, functions 0x00000003 Aug 16 19:49:49 krejzi kernel: ATPX Hybrid Graphics Aug 16 19:49:49 krejzi kernel: iwlwifi 0000:03:00.0: loaded firmware version 22.361476.0 op_mode iwlmvm Aug 16 19:49:49 krejzi kernel: CRAT table not found Aug 16 19:49:49 krejzi kernel: Finished initializing topology ret=3D0 Aug 16 19:49:49 krejzi kernel: kfd kfd: Initialized module Aug 16 19:49:49 krejzi kernel: amdgpu 0000:01:00.0: enabling device (0006 -> 0007) Aug 16 19:49:49 krejzi kernel: [drm] initializing kernel modesetting (TOPAZ 0x1002:0x6900 0x103C:0x811C 0x83). Aug 16 19:49:49 krejzi kernel: [drm] register mmio base: 0xE2000000 Aug 16 19:49:49 krejzi kernel: [drm] register mmio size: 262144 Aug 16 19:49:49 krejzi kernel: [drm] doorbell mmio base: 0xE0000000 Aug 16 19:49:49 krejzi kernel: [drm] doorbell mmio size: 2097152 Aug 16 19:49:49 krejzi kernel: [drm] probing gen 2 caps for device 8086:9d1= 0 =3D 1724843/e Aug 16 19:49:49 krejzi kernel: [drm] probing mlw for device 8086:9d10 =3D 1= 724843 Aug 16 19:49:49 krejzi kernel: vga_switcheroo: enabled Aug 16 19:49:49 krejzi kernel: ATOM BIOS: HP/Quanta Aug 16 19:49:49 krejzi kernel: [drm] GPU not posted. posting now... Aug 16 19:49:49 krejzi kernel: [drm] Changing default dispclk from 0Mhz to 600Mhz Aug 16 19:49:49 krejzi kernel: amdgpu 0000:01:00.0: VRAM: 2048M 0x0000000000000000 - 0x000000007FFFFFFF (2048M used) Aug 16 19:49:49 krejzi kernel: amdgpu 0000:01:00.0: GTT: 2048M 0x0000000080000000 - 0x00000000FFFFFFFF Aug 16 19:49:49 krejzi kernel: [drm] Detected VRAM RAM=3D2048M, BAR=3D256M Aug 16 19:49:49 krejzi kernel: [drm] RAM width 64bits DDR3 Aug 16 19:49:49 krejzi kernel: [TTM] Zone kernel: Available graphics memor= y: 4027936 kiB Aug 16 19:49:49 krejzi kernel: [TTM] Zone dma32: Available graphics memor= y: 2097152 kiB Aug 16 19:49:49 krejzi kernel: [TTM] Initializing pool allocator Aug 16 19:49:49 krejzi kernel: [TTM] Initializing DMA pool allocator Aug 16 19:49:49 krejzi kernel: [drm] amdgpu: 2048M of VRAM memory ready Aug 16 19:49:49 krejzi kernel: [drm] amdgpu: 2048M of GTT memory ready. Aug 16 19:49:49 krejzi kernel: [drm] GART: num cpu pages 524288, num gpu pa= ges 524288 Aug 16 19:49:49 krejzi kernel: [drm] PCIE GART of 2048M enabled (table at 0x0000000000040000). Aug 16 19:49:49 krejzi kernel: [drm] Supports vblank timestamp caching Rev 2 (21.10.2013). Aug 16 19:49:49 krejzi kernel: [drm] Driver supports precise vblank timesta= mp query. Aug 16 19:49:49 krejzi kernel: amdgpu 0000:01:00.0: amdgpu: using MSI. Aug 16 19:49:49 krejzi kernel: [drm] amdgpu: irq initialized. Aug 16 19:49:49 krejzi kernel: amdgpu 0000:01:00.0: fence driver on ring 0 = use gpu addr 0x0000000080000010, cpu addr 0xffff880231523010 Aug 16 19:49:49 krejzi kernel: amdgpu 0000:01:00.0: fence driver on ring 1 = use gpu addr 0x0000000080000020, cpu addr 0xffff880231523020 Aug 16 19:49:49 krejzi kernel: amdgpu 0000:01:00.0: fence driver on ring 2 = use gpu addr 0x0000000080000030, cpu addr 0xffff880231523030 Aug 16 19:49:49 krejzi kernel: amdgpu 0000:01:00.0: fence driver on ring 3 = use gpu addr 0x0000000080000040, cpu addr 0xffff880231523040 Aug 16 19:49:49 krejzi kernel: amdgpu 0000:01:00.0: fence driver on ring 4 = use gpu addr 0x0000000080000050, cpu addr 0xffff880231523050 Aug 16 19:49:49 krejzi kernel: amdgpu 0000:01:00.0: fence driver on ring 5 = use gpu addr 0x0000000080000060, cpu addr 0xffff880231523060 Aug 16 19:49:49 krejzi kernel: amdgpu 0000:01:00.0: fence driver on ring 6 = use gpu addr 0x0000000080000070, cpu addr 0xffff880231523070 Aug 16 19:49:49 krejzi kernel: amdgpu 0000:01:00.0: fence driver on ring 7 = use gpu addr 0x0000000080000080, cpu addr 0xffff880231523080 Aug 16 19:49:49 krejzi kernel: amdgpu 0000:01:00.0: fence driver on ring 8 = use gpu addr 0x0000000080000090, cpu addr 0xffff880231523090 Aug 16 19:49:49 krejzi kernel: amdgpu 0000:01:00.0: fence driver on ring 9 = use gpu addr 0x00000000800000a0, cpu addr 0xffff8802315230a0 Aug 16 19:49:49 krejzi kernel: amdgpu 0000:01:00.0: fence driver on ring 10= use gpu addr 0x00000000800000b0, cpu addr 0xffff8802315230b0 Aug 16 19:49:49 krejzi kernel: [drm] ring test on 0 succeeded in 15 usecs Aug 16 19:49:49 krejzi kernel: [drm] ring test on 1 succeeded in 19 usecs Aug 16 19:49:49 krejzi kernel: [drm] ring test on 2 succeeded in 15 usecs Aug 16 19:49:49 krejzi kernel: [drm] ring test on 3 succeeded in 5 usecs Aug 16 19:49:49 krejzi kernel: [drm] ring test on 4 succeeded in 2 usecs Aug 16 19:49:49 krejzi kernel: [drm] ring test on 5 succeeded in 2 usecs Aug 16 19:49:49 krejzi kernel: [drm] ring test on 6 succeeded in 2 usecs Aug 16 19:49:49 krejzi kernel: [drm] ring test on 7 succeeded in 3 usecs Aug 16 19:49:49 krejzi kernel: [drm] ring test on 8 succeeded in 2 usecs Aug 16 19:49:49 krejzi kernel: [drm] ring test on 9 succeeded in 6 usecs Aug 16 19:49:49 krejzi kernel: [drm] ring test on 10 succeeded in 4 usecs Aug 16 19:49:49 krejzi kernel: [drm] ib test on ring 0 succeeded Aug 16 19:49:49 krejzi kernel: [drm] ib test on ring 1 succeeded Aug 16 19:49:49 krejzi kernel: [drm] ib test on ring 2 succeeded Aug 16 19:49:49 krejzi kernel: [drm] ib test on ring 3 succeeded Aug 16 19:49:49 krejzi kernel: [drm] ib test on ring 4 succeeded Aug 16 19:49:49 krejzi kernel: [drm] ib test on ring 5 succeeded Aug 16 19:49:49 krejzi kernel: [drm] ib test on ring 6 succeeded Aug 16 19:49:49 krejzi kernel: [drm] ib test on ring 7 succeeded Aug 16 19:49:49 krejzi kernel: [drm] ib test on ring 8 succeeded Aug 16 19:49:49 krejzi kernel: [drm:sdma_v2_4_ring_test_ib [amdgpu]] *ERROR* amdgpu: fence wait failed (1000). Aug 16 19:49:49 krejzi kernel: [drm:amdgpu_ib_ring_tests [amdgpu]] *ERROR* amdgpu: failed testing IB on ring 9 (1000). Aug 16 19:49:49 krejzi kernel: [drm:sdma_v2_4_ring_test_ib [amdgpu]] *ERROR* amdgpu: fence wait failed (1000). Aug 16 19:49:49 krejzi kernel: [drm:amdgpu_ib_ring_tests [amdgpu]] *ERROR* amdgpu: failed testing IB on ring 10 (1000). Aug 16 19:49:49 krejzi kernel: [drm] Initialized amdgpu 3.3.0 20150101 for 0000:01:00.0 on minor 1 Radeon R7 M340 Hybrid Graphics, Topaz/Iceland. --=20 You are receiving this mail because: You are the assignee for the bug.= --14713705920.d54A.14548 Date: Tue, 16 Aug 2016 18:03:12 +0000 MIME-Version: 1.0 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://bugs.freedesktop.org/ Auto-Submitted: auto-generated
Bug ID 97369
Summary AMDGPU/Iceland hangs kernel 4.8-rc2
Product DRI
Version unspecified
Hardware x86-64 (AMD64)
OS Linux (All)
Status NEW
Severity major
Priority medium
Component DRM/AMDgpu
Assignee dri-devel@lists.freedesktop.org
Reporter krejzi@email.com 

Since update to 4.8 series, kernel hangs when Xorg tries to st=
art up. I've
tracked the issue to amdgpu driver. Blacklisting the driver makes the hang =
go
away.

systemd-journald has recorded the following:

Aug 16 19:50:19 krejzi kernel: amdgpu 0000:01:00.0: Refused to change power
state, currently in D3
Aug 16 19:50:19 krejzi kernel: amdgpu 0000:01:00.0: Refused to change power
state, currently in D3
Aug 16 19:50:19 krejzi kernel: amdgpu 0000:01:00.0: Refused to change power
state, currently in D3
Aug 16 19:50:21 krejzi kernel: amdgpu 0000:01:00.0: Wait for MC idle timedo=
ut !
Aug 16 19:50:22 krejzi kernel: amdgpu 0000:01:00.0: Wait for MC idle timedo=
ut !
Aug 16 19:50:22 krejzi kernel: [drm] PCIE GART of 2048M enabled (table at
0x0000000000040000).
Aug 16 19:50:24 krejzi kernel: BUG: unable to handle kernel paging request =
at
ffffc91c00763fec
Aug 16 19:50:24 krejzi kernel: IP: [<ffffffffa0084aad>]
iceland_smu_populate_single_firmware_entry+0x4d/0x100 [amdgpu]
Aug 16 19:50:24 krejzi kernel: PGD 23700e067 PUD 0=20
Aug 16 19:50:24 krejzi kernel: Oops: 0002 [#1] PREEMPT SMP
Aug 16 19:50:24 krejzi kernel: Modules linked in: iwlmvm amdkfd amdgpu ttm
iwlwifi intel_vbtn
Aug 16 19:50:24 krejzi kernel: CPU: 3 PID: 129 Comm: kworker/3:2 Not tainted
4.8.0-rc2-krejzi #1
Aug 16 19:50:24 krejzi kernel: Hardware name: HP HP ProBook 470 G3/8102, BI=
OS
N78 Ver. 01.11 05/09/2016
Aug 16 19:50:24 krejzi kernel: Workqueue: pm pm_runtime_work
Aug 16 19:50:24 krejzi kernel: task: ffff8802365b9b00 task.stack:
ffff88023627c000
Aug 16 19:50:24 krejzi kernel: RIP: 0010:[<ffffffffa0084aad>]=20
[<ffffffffa0084aad>] iceland_smu_populate_single_firmware_entry+0x4d/=
0x100
[amdgpu]
Aug 16 19:50:24 krejzi kernel: RSP: 0018:ffff88023627fc40  EFLAGS: 00010202
Aug 16 19:50:24 krejzi kernel: RAX: 000000008002e000 RBX: ffff880231500000 =
RCX:
000000000000007e
Aug 16 19:50:24 krejzi kernel: RDX: ffffc91c00763fec RSI: 0000000000000003 =
RDI:
0000000000002180
Aug 16 19:50:24 krejzi kernel: RBP: ffffc90000764000 R08: 0000000000000002 =
R09:
ffff88023627fc34
Aug 16 19:50:24 krejzi kernel: R10: 0000000000000000 R11: 0000000000000001 =
R12:
ffff880231717500
Aug 16 19:50:24 krejzi kernel: R13: 0000000000008000 R14: 0000000000000000 =
R15:
0000000000000246
Aug 16 19:50:24 krejzi kernel: FS:  0000000000000000(0000)
GS:ffff8802404c0000(0000) knlGS:0000000000000000
Aug 16 19:50:24 krejzi kernel: CS:  0010 DS: 0000 ES: 0000 CR0:
0000000080050033
Aug 16 19:50:24 krejzi kernel: CR2: ffffc91c00763fec CR3: 0000000001e07000 =
CR4:
00000000003406e0
Aug 16 19:50:24 krejzi kernel: Stack:
Aug 16 19:50:24 krejzi kernel:  0000000000000000 ffff8802315005bc
ffff880231500000 ffffffffa0085156
Aug 16 19:50:24 krejzi kernel:  ffff0040ffffffff ffff880231500000
ffff8802315037b8 0000000000000048
Aug 16 19:50:24 krejzi kernel:  0000000000000002 ffff88023627fdd0
ffff880231500000 ffffffffa008578c
Aug 16 19:50:24 krejzi kernel: Call Trace:
Aug 16 19:50:24 krejzi kernel:  [<ffffffffa0085156>] ?
iceland_smu_start+0x336/0x5d0 [amdgpu]
Aug 16 19:50:24 krejzi kernel:  [<ffffffffa008578c>] ?
iceland_dpm_resume+0x1c/0x40 [amdgpu]
Aug 16 19:50:24 krejzi kernel:  [<ffffffffa004e5a8>] ? amdgpu_resume+=
0x58/0xa0
[amdgpu]
Aug 16 19:50:24 krejzi kernel:  [<ffffffffa00513e3>] ?
amdgpu_resume_kms+0xa3/0x370 [amdgpu]
Aug 16 19:50:24 krejzi kernel:  [<ffffffffa004e12c>] ?
amdgpu_pmops_runtime_resume+0x6c/0xa0 [amdgpu]
Aug 16 19:50:24 krejzi kernel:  [<ffffffff81362023>] ?
pci_pm_runtime_resume+0x73/0xa0
Aug 16 19:50:24 krejzi kernel:  [<ffffffff81509760>] ?
vga_switcheroo_set_dynamic_switch+0x80/0x80
Aug 16 19:50:24 krejzi kernel:  [<ffffffff81518688>] ? __rpm_callback=
+0x28/0x60
Aug 16 19:50:24 krejzi kernel:  [<ffffffff815186da>] ? rpm_callback+0=
x1a/0x70
Aug 16 19:50:24 krejzi kernel:  [<ffffffff81509760>] ?
vga_switcheroo_set_dynamic_switch+0x80/0x80
Aug 16 19:50:24 krejzi kernel:  [<ffffffff81519733>] ? rpm_resume+0x3=
e3/0x5f0
Aug 16 19:50:24 krejzi kernel:  [<ffffffff81061427>] ? __switch_to+0x=
37/0x580
Aug 16 19:50:24 krejzi kernel:  [<ffffffff818c4cbe>] ?
_raw_spin_unlock_irq+0xe/0x20
Aug 16 19:50:24 krejzi kernel:  [<ffffffff8151a06e>] ?
pm_runtime_work+0x4e/0xa0
Aug 16 19:50:24 krejzi kernel:  [<ffffffff810d51d2>] ?
process_one_work+0x1c2/0x400
Aug 16 19:50:24 krejzi kernel:  [<ffffffff810d5452>] ? worker_thread+=
0x42/0x4c0
Aug 16 19:50:24 krejzi kernel:  [<ffffffff818c071b>] ? __schedule+0x2=
db/0x6a0
Aug 16 19:50:24 krejzi kernel:  [<ffffffff810d5410>] ?
process_one_work+0x400/0x400
Aug 16 19:50:24 krejzi kernel:  [<ffffffff810da758>] ? kthread+0xc8/0=
xe0
Aug 16 19:50:24 krejzi kernel:  [<ffffffff818c533f>] ? ret_from_fork+=
0x1f/0x40
Aug 16 19:50:24 krejzi kernel:  [<ffffffff810da690>] ?
kthread_worker_fn+0x170/0x170
Aug 16 19:50:24 krejzi kernel: Code: 05 48 8b 8c 0b e0 65 00 00 48 85 c9 0f=
 84
b7 00 00 00 48 8b 49 08 48 05 2f 03 00 00 48 c1 e0 05 48 8b 44 03 08 8b 79 =
14
8b 49 10 <66> 89 32 c7 42 0c 00 00 00 00 66 89 4a 02 48 89 c1 48 c1 e=
9 20=20
Aug 16 19:50:24 krejzi kernel: RIP  [<ffffffffa0084aad>]
iceland_smu_populate_single_firmware_entry+0x4d/0x100 [amdgpu]
Aug 16 19:50:24 krejzi kernel:  RSP <ffff88023627fc40>
Aug 16 19:50:24 krejzi kernel: CR2: ffffc91c00763fec
Aug 16 19:50:24 krejzi kernel: ---[ end trace 176c593915795723 ]---
Aug 16 19:50:24 krejzi kernel: general protection fault: 0000 [#2] PREEMPT =
SMP
Aug 16 19:50:24 krejzi kernel: Modules linked in: iwlmvm amdkfd amdgpu ttm
iwlwifi intel_vbtn
Aug 16 19:50:24 krejzi kernel: CPU: 3 PID: 129 Comm: kworker/3:2 Tainted: G=
=20=20=20=20
 D         4.8.0-rc2-krejzi #1
Aug 16 19:50:24 krejzi kernel: Hardware name: HP HP ProBook 470 G3/8102, BI=
OS
N78 Ver. 01.11 05/09/2016
Aug 16 19:50:24 krejzi kernel: task: ffff8802365b9b00 task.stack:
ffff88023627c000
Aug 16 19:50:24 krejzi kernel: RIP: 0010:[<ffffffff810fe430>]=20
[<ffffffff810fe430>] queued_spin_lock_slowpath+0x150/0x190
Aug 16 19:50:24 krejzi kernel: RSP: 0018:ffff88023627fe70  EFLAGS: 00010082
Aug 16 19:50:24 krejzi kernel: RAX: ccccccccccce3fbc RBX: ffff88023627ff18 =
RCX:
ffff8802404d72c0
Aug 16 19:50:24 krejzi kernel: RDX: 0000000000002d47 RSI: ffffffff81c4c914 =
RDI:
0000000000100000
Aug 16 19:50:24 krejzi kernel: RBP: 0000000000000000 R08: 00000000000000ff =
R09:
0000000000000000
Aug 16 19:50:24 krejzi kernel: R10: 00000000b98c6018 R11: ffff880237003200 =
R12:
ffff8802404d72c0
Aug 16 19:50:24 krejzi kernel: R13: 0000000000000046 R14: ffffc91c00763fec =
R15:
0000000000000009
Aug 16 19:50:24 krejzi kernel: FS:  0000000000000000(0000)
GS:ffff8802404c0000(0000) knlGS:0000000000000000
Aug 16 19:50:24 krejzi kernel: CS:  0010 DS: 0000 ES: 0000 CR0:
0000000080050033
Aug 16 19:50:24 krejzi kernel: CR2: 0000000000000028 CR3: 00000002240c9000 =
CR4:
00000000003406e0
Aug 16 19:50:24 krejzi kernel: Stack:
Aug 16 19:50:24 krejzi kernel:  ffff88023627ff18 0000000000000282
0000000000000000 ffffffff818c4e61
Aug 16 19:50:24 krejzi kernel:  ffff88023627ff18 ffff88023627ff10
ffffffff810f7103 ffff8802365ba210
Aug 16 19:50:24 krejzi kernel:  ffff8802365b9b00 0000000000000000
ffffffff810bcf9c ffff8802365b9b00
Aug 16 19:50:24 krejzi kernel: Call Trace:
Aug 16 19:50:24 krejzi kernel:  [<ffffffff818c4e61>] ?
_raw_spin_lock_irqsave+0x31/0x40
Aug 16 19:50:24 krejzi kernel:  [<ffffffff810f7103>] ? complete+0x13/=
0x40
Aug 16 19:50:24 krejzi kernel:  [<ffffffff810bcf9c>] ? mm_release+0x9=
c/0x120
Aug 16 19:50:24 krejzi kernel:  [<ffffffff810c28ea>] ? do_exit+0x70a/=
0xad0
Aug 16 19:50:24 krejzi kernel:  [<ffffffff818c6a47>] ?
rewind_stack_do_exit+0x17/0x20
Aug 16 19:50:24 krejzi kernel:  [<ffffffff810da690>] ?
kthread_worker_fn+0x170/0x170
Aug 16 19:50:24 krejzi kernel: Code: b8 01 00 00 00 66 89 03 5b 5d 41 5c c3=
 c1
ea 12 83 e0 03 83 ea 01 48 c1 e0 04 48 63 d2 48 05 c0 72 01 00 48 03 04 d5 =
60
03 ea 81 <48> 89 08 8b 41 08 85 c0 75 09 f3 90 8b 41 08 85 c0 74 f7 4=
c 8b=20
Aug 16 19:50:24 krejzi kernel: RIP  [<ffffffff810fe430>]
queued_spin_lock_slowpath+0x150/0x190
Aug 16 19:50:24 krejzi kernel:  RSP <ffff88023627fe70>
Aug 16 19:50:24 krejzi kernel: ---[ end trace 176c593915795724 ]---
Aug 16 19:50:24 krejzi kernel: Fixing recursive fault but reboot is needed!
Aug 16 19:50:24 krejzi kernel: BUG: scheduling while atomic:
kworker/3:2/129/0x00000003
Aug 16 19:50:24 krejzi kernel: Modules linked in: iwlmvm amdkfd amdgpu ttm
iwlwifi intel_vbtn
Aug 16 19:50:24 krejzi kernel: Preemption disabled at:[<          (null)=
>]=20=20=20=20=20
     (null)
Aug 16 19:50:24 krejzi kernel:=20
Aug 16 19:50:24 krejzi kernel: CPU: 3 PID: 129 Comm: kworker/3:2 Tainted: G=
=20=20=20=20
 D         4.8.0-rc2-krejzi #1
Aug 16 19:50:24 krejzi kernel: Hardware name: HP HP ProBook 470 G3/8102, BI=
OS
N78 Ver. 01.11 05/09/2016
Aug 16 19:50:24 krejzi kernel:  0000000000000086 00000000b523baa8
ffffffff8132745c ffff8802404d67c0
Aug 16 19:50:24 krejzi kernel:  00000000000167c0 ffffffff810de8a7
ffffffff818c09bf ffff8802365b9b00
Aug 16 19:50:24 krejzi kernel:  00000000b523baa8 ffff880236280000
000000000000000b 0000000000000000
Aug 16 19:50:24 krejzi kernel: Call Trace:
Aug 16 19:50:24 krejzi kernel:  [<ffffffff8132745c>] ? dump_stack+0x4=
6/0x5a
Aug 16 19:50:24 krejzi kernel:  [<ffffffff810de8a7>] ? __schedule_bug=
+0x57/0xb0
Aug 16 19:50:24 krejzi kernel:  [<ffffffff818c09bf>] ? __schedule+0x5=
7f/0x6a0
Aug 16 19:50:24 krejzi kernel:  [<ffffffff818c0b16>] ? schedule+0x36/=
0x90
Aug 16 19:50:24 krejzi kernel:  [<ffffffff810c2a96>] ? do_exit+0x8b6/=
0xad0
Aug 16 19:50:24 krejzi kernel:  [<ffffffff818c6a47>] ?
rewind_stack_do_exit+0x17/0x20
Aug 16 19:50:24 krejzi kernel:  [<ffffffff810da690>] ?
kthread_worker_fn+0x170/0x170
Aug 16 19:50:24 krejzi kernel: BUG: unable to handle kernel paging request =
at
ffffffffffffffd8
Aug 16 19:50:24 krejzi kernel: IP: [<ffffffff810dab57>] kthread_data+=
0x7/0x10



Relevant dmesg output from amdgpu load time (also obtained from journal)

Aug 16 19:49:49 krejzi kernel: [drm] amdgpu kernel modesetting enabled.
Aug 16 19:49:49 krejzi kernel: vga_switcheroo: detected switching method
\_SB_.PCI0.GFX0.ATPX handle
Aug 16 19:49:49 krejzi kernel: ATPX version 1, functions 0x00000003
Aug 16 19:49:49 krejzi kernel: ATPX Hybrid Graphics
Aug 16 19:49:49 krejzi kernel: iwlwifi 0000:03:00.0: loaded firmware version
22.361476.0 op_mode iwlmvm
Aug 16 19:49:49 krejzi kernel: CRAT table not found
Aug 16 19:49:49 krejzi kernel: Finished initializing topology ret=3D0
Aug 16 19:49:49 krejzi kernel: kfd kfd: Initialized module
Aug 16 19:49:49 krejzi kernel: amdgpu 0000:01:00.0: enabling device (0006 -=
>
0007)
Aug 16 19:49:49 krejzi kernel: [drm] initializing kernel modesetting (TOPAZ
0x1002:0x6900 0x103C:0x811C 0x83).
Aug 16 19:49:49 krejzi kernel: [drm] register mmio base: 0xE2000000
Aug 16 19:49:49 krejzi kernel: [drm] register mmio size: 262144
Aug 16 19:49:49 krejzi kernel: [drm] doorbell mmio base: 0xE0000000
Aug 16 19:49:49 krejzi kernel: [drm] doorbell mmio size: 2097152
Aug 16 19:49:49 krejzi kernel: [drm] probing gen 2 caps for device 8086:9d1=
0 =3D
1724843/e
Aug 16 19:49:49 krejzi kernel: [drm] probing mlw for device 8086:9d10 =3D 1=
724843
Aug 16 19:49:49 krejzi kernel: vga_switcheroo: enabled
Aug 16 19:49:49 krejzi kernel: ATOM BIOS: HP/Quanta
Aug 16 19:49:49 krejzi kernel: [drm] GPU not posted. posting now...
Aug 16 19:49:49 krejzi kernel: [drm] Changing default dispclk from 0Mhz to
600Mhz
Aug 16 19:49:49 krejzi kernel: amdgpu 0000:01:00.0: VRAM: 2048M
0x0000000000000000 - 0x000000007FFFFFFF (2048M used)
Aug 16 19:49:49 krejzi kernel: amdgpu 0000:01:00.0: GTT: 2048M
0x0000000080000000 - 0x00000000FFFFFFFF
Aug 16 19:49:49 krejzi kernel: [drm] Detected VRAM RAM=3D2048M, BAR=3D256M
Aug 16 19:49:49 krejzi kernel: [drm] RAM width 64bits DDR3
Aug 16 19:49:49 krejzi kernel: [TTM] Zone  kernel: Available graphics memor=
y:
4027936 kiB
Aug 16 19:49:49 krejzi kernel: [TTM] Zone   dma32: Available graphics memor=
y:
2097152 kiB
Aug 16 19:49:49 krejzi kernel: [TTM] Initializing pool allocator
Aug 16 19:49:49 krejzi kernel: [TTM] Initializing DMA pool allocator
Aug 16 19:49:49 krejzi kernel: [drm] amdgpu: 2048M of VRAM memory ready
Aug 16 19:49:49 krejzi kernel: [drm] amdgpu: 2048M of GTT memory ready.
Aug 16 19:49:49 krejzi kernel: [drm] GART: num cpu pages 524288, num gpu pa=
ges
524288
Aug 16 19:49:49 krejzi kernel: [drm] PCIE GART of 2048M enabled (table at
0x0000000000040000).
Aug 16 19:49:49 krejzi kernel: [drm] Supports vblank timestamp caching Rev 2
(21.10.2013).
Aug 16 19:49:49 krejzi kernel: [drm] Driver supports precise vblank timesta=
mp
query.
Aug 16 19:49:49 krejzi kernel: amdgpu 0000:01:00.0: amdgpu: using MSI.
Aug 16 19:49:49 krejzi kernel: [drm] amdgpu: irq initialized.
Aug 16 19:49:49 krejzi kernel: amdgpu 0000:01:00.0: fence driver on ring 0 =
use
gpu addr 0x0000000080000010, cpu addr 0xffff880231523010
Aug 16 19:49:49 krejzi kernel: amdgpu 0000:01:00.0: fence driver on ring 1 =
use
gpu addr 0x0000000080000020, cpu addr 0xffff880231523020
Aug 16 19:49:49 krejzi kernel: amdgpu 0000:01:00.0: fence driver on ring 2 =
use
gpu addr 0x0000000080000030, cpu addr 0xffff880231523030
Aug 16 19:49:49 krejzi kernel: amdgpu 0000:01:00.0: fence driver on ring 3 =
use
gpu addr 0x0000000080000040, cpu addr 0xffff880231523040
Aug 16 19:49:49 krejzi kernel: amdgpu 0000:01:00.0: fence driver on ring 4 =
use
gpu addr 0x0000000080000050, cpu addr 0xffff880231523050
Aug 16 19:49:49 krejzi kernel: amdgpu 0000:01:00.0: fence driver on ring 5 =
use
gpu addr 0x0000000080000060, cpu addr 0xffff880231523060
Aug 16 19:49:49 krejzi kernel: amdgpu 0000:01:00.0: fence driver on ring 6 =
use
gpu addr 0x0000000080000070, cpu addr 0xffff880231523070
Aug 16 19:49:49 krejzi kernel: amdgpu 0000:01:00.0: fence driver on ring 7 =
use
gpu addr 0x0000000080000080, cpu addr 0xffff880231523080
Aug 16 19:49:49 krejzi kernel: amdgpu 0000:01:00.0: fence driver on ring 8 =
use
gpu addr 0x0000000080000090, cpu addr 0xffff880231523090
Aug 16 19:49:49 krejzi kernel: amdgpu 0000:01:00.0: fence driver on ring 9 =
use
gpu addr 0x00000000800000a0, cpu addr 0xffff8802315230a0
Aug 16 19:49:49 krejzi kernel: amdgpu 0000:01:00.0: fence driver on ring 10=
 use
gpu addr 0x00000000800000b0, cpu addr 0xffff8802315230b0
Aug 16 19:49:49 krejzi kernel: [drm] ring test on 0 succeeded in 15 usecs
Aug 16 19:49:49 krejzi kernel: [drm] ring test on 1 succeeded in 19 usecs
Aug 16 19:49:49 krejzi kernel: [drm] ring test on 2 succeeded in 15 usecs
Aug 16 19:49:49 krejzi kernel: [drm] ring test on 3 succeeded in 5 usecs
Aug 16 19:49:49 krejzi kernel: [drm] ring test on 4 succeeded in 2 usecs
Aug 16 19:49:49 krejzi kernel: [drm] ring test on 5 succeeded in 2 usecs
Aug 16 19:49:49 krejzi kernel: [drm] ring test on 6 succeeded in 2 usecs
Aug 16 19:49:49 krejzi kernel: [drm] ring test on 7 succeeded in 3 usecs
Aug 16 19:49:49 krejzi kernel: [drm] ring test on 8 succeeded in 2 usecs
Aug 16 19:49:49 krejzi kernel: [drm] ring test on 9 succeeded in 6 usecs
Aug 16 19:49:49 krejzi kernel: [drm] ring test on 10 succeeded in 4 usecs
Aug 16 19:49:49 krejzi kernel: [drm] ib test on ring 0 succeeded
Aug 16 19:49:49 krejzi kernel: [drm] ib test on ring 1 succeeded
Aug 16 19:49:49 krejzi kernel: [drm] ib test on ring 2 succeeded
Aug 16 19:49:49 krejzi kernel: [drm] ib test on ring 3 succeeded
Aug 16 19:49:49 krejzi kernel: [drm] ib test on ring 4 succeeded
Aug 16 19:49:49 krejzi kernel: [drm] ib test on ring 5 succeeded
Aug 16 19:49:49 krejzi kernel: [drm] ib test on ring 6 succeeded
Aug 16 19:49:49 krejzi kernel: [drm] ib test on ring 7 succeeded
Aug 16 19:49:49 krejzi kernel: [drm] ib test on ring 8 succeeded
Aug 16 19:49:49 krejzi kernel: [drm:sdma_v2_4_ring_test_ib [amdgpu]] *ERROR*
amdgpu: fence wait failed (1000).
Aug 16 19:49:49 krejzi kernel: [drm:amdgpu_ib_ring_tests [amdgpu]] *ERROR*
amdgpu: failed testing IB on ring 9 (1000).
Aug 16 19:49:49 krejzi kernel: [drm:sdma_v2_4_ring_test_ib [amdgpu]] *ERROR*
amdgpu: fence wait failed (1000).
Aug 16 19:49:49 krejzi kernel: [drm:amdgpu_ib_ring_tests [amdgpu]] *ERROR*
amdgpu: failed testing IB on ring 10 (1000).
Aug 16 19:49:49 krejzi kernel: [drm] Initialized amdgpu 3.3.0 20150101 for
0000:01:00.0 on minor 1


Radeon R7 M340 Hybrid Graphics, Topaz/Iceland.

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