RE: amdgpu, WARNING: CPU: 12 PID: 389 at arch/x86/kernel/fpu/core.c:129 kernel_fpu_begin_mask+0xd5/0x100

From: Deucher, Alexander
Date: Fri Mar 12 2021 - 13:21:07 EST

[AMD Public Use]

> -----Original Message-----
> From: Borislav Petkov <bp@xxxxxxxxx>
> Sent: Friday, March 12, 2021 1:15 PM
> To: amd-gfx@xxxxxxxxxxxxxxxxxxxxx
> Cc: Wentland, Harry <Harry.Wentland@xxxxxxx>; Li, Sun peng (Leo)
> <Sunpeng.Li@xxxxxxx>; Deucher, Alexander
> <Alexander.Deucher@xxxxxxx>; Koenig, Christian
> <Christian.Koenig@xxxxxxx>; lkml <linux-kernel@xxxxxxxxxxxxxxx>; x86-ml
> <x86@xxxxxxxxxx>
> Subject: amdgpu, WARNING: CPU: 12 PID: 389 at
> arch/x86/kernel/fpu/core.c:129 kernel_fpu_begin_mask+0xd5/0x100
>
> Hi folks,
>
> I get the below on -rc2+tip/master. I added printks to your FPU macros:
>
> ---
> diff --git a/drivers/gpu/drm/amd/display/dc/os_types.h
> b/drivers/gpu/drm/amd/display/dc/os_types.h
> index 126c2f3a4dd3..49629dc03f99 100644
> --- a/drivers/gpu/drm/amd/display/dc/os_types.h
> +++ b/drivers/gpu/drm/amd/display/dc/os_types.h
> @@ -53,8 +53,18 @@
> #if defined(CONFIG_DRM_AMD_DC_DCN)
> #if defined(CONFIG_X86)
> #include <asm/fpu/api.h>
> -#define DC_FP_START() kernel_fpu_begin() -#define DC_FP_END()
> kernel_fpu_end()
> +#define DC_FP_START() \
> +({ \
> + pr_emerg("%s: DC_FP_START\n", __func__); \
> + kernel_fpu_begin(); \
> +})
> +
> +#define DC_FP_END() \
> +({ \
> + pr_emerg("%s: DC_FP_END\n", __func__); \
> + kernel_fpu_end(); \
> +})
> +
> #elif defined(CONFIG_PPC64)
> #include <asm/switch_to.h>
> #include <asm/cputable.h>
>
> and I get wrong nesting of FPU usage with amdgpu:
>
> ...
> [ 2.480080] [drm] reserve 0x400000 from 0xf41f800000 for PSP TMR
> [ 2.577011] amdgpu 0000:06:00.0: amdgpu: RAS: optional ras ta ucode is not
> available
> [ 2.585556] amdgpu 0000:06:00.0: amdgpu: RAP: optional rap ta ucode is not
> available
> [ 2.585567] amdgpu 0000:06:00.0: amdgpu: SECUREDISPLAY: securedisplay
> ta ucode is not available
> [ 2.586024] amdgpu 0000:06:00.0: amdgpu: SMU is initialized successfully!
> [ 2.587396] [drm] kiq ring mec 2 pipe 1 q 0
> [ 2.588930] [drm] Display Core initialized with v3.2.122!
> [ 2.601665] [drm] DMUB hardware initialized: version=0x01000000
> [ 2.620813] snd_hda_intel 0000:06:00.1: bound 0000:06:00.0 (ops
> amdgpu_dm_audio_component_bind_ops [amdgpu])
> [ 2.698383] input: TPPS/2 Elan TrackPoint as
> /devices/platform/i8042/serio1/serio2/input/input15
> [ 2.713147] [drm] VCN decode and encode initialized successfully(under
> DPG Mode).
> [ 2.713180] [drm] JPEG decode initialized successfully.
> [ 2.715003] kfd kfd: Allocated 3969056 bytes on gart
> [ 2.715251] Virtual CRAT table created for GPU
> [ 2.715412] amdgpu: Topology: Add dGPU node [0x1636:0x1002]
> [ 2.715421] kfd kfd: added device 1002:1636
> [ 2.715428] amdgpu 0000:06:00.0: amdgpu: SE 1, SH per SE 2, CU per SH 18,
> active_cu_number 27
> [ 2.716496] [drm] fb mappable at 0x410CE0000
> [ 2.716510] [drm] vram apper at 0x410000000
> [ 2.716515] [drm] size 8294400
> [ 2.716518] [drm] fb depth is 24
> [ 2.716522] [drm] pitch is 7680
> [ 2.716710] fbcon: amdgpudrmfb (fb0) is primary device
> [ 2.716922] dcn21_validate_bandwidth: DC_FP_START
> [ 2.716969] patch_bounding_box: DC_FP_START
>
> This should not happen. You need DC_FP_END before the next
> DC_FP_START because FPU usage cannot nest.
>
> But who knows, maybe this is fixed already...

Should be fixed with these patches:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=15e8b95d5f7509e0b09289be8c422c459c9f0412
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=680174cfd1e1cea70a8f30ccb44d8fbdf996018e

Alex

>
> [ 2.716973] ------------[ cut here ]------------
> [ 2.716974] WARNING: CPU: 12 PID: 389 at arch/x86/kernel/fpu/core.c:129
> kernel_fpu_begin_mask+0xd5/0x100
> [ 2.716986] Modules linked in: joydev edac_mce_amd edac_core iwlmvm
> kvm_amd mac80211 libarc4 kvm irqbypass crct10dif_pclmul crc32_pclmul
> iwlwifi crc32c_intel snd_hda_codec_realtek snd_hda_codec_generic
> amdgpu(+) ghash_clmulni_intel snd_hda_codec_hdmi snd_hda_intel
> snd_intel_dspcfg snd_hda_codec rtsx_pci_sdmmc snd_hwdep mmc_core
> snd_hda_core aesni_intel libaes crypto_simd wmi_bmof thinkpad_acpi
> sp5100_tco snd_pcm cryptd nvram ucsi_acpi(+) ledtrig_audio watchdog rapl
> rtsx_pci platform_profile snd_timer pcspkr cfg80211 efi_pstore typec_ucsi
> k10temp ccp i2c_piix4 gpu_sched mfd_core r8169 roles snd typec wmi
> soundcore ac battery video i2c_scmi acpi_cpufreq button psmouse
> serio_raw nvme nvme_core
> [ 2.717057] CPU: 12 PID: 389 Comm: systemd-udevd Not tainted 5.12.0-rc2+
> #1
> [ 2.717062] Hardware name: LENOVO 20Y2MMMMCC/20Y2MMMMCC,
> BIOS R1BET58W(1.27 ) 10/20/2020
> [ 2.717065] RIP: 0010:kernel_fpu_begin_mask+0xd5/0x100
> [ 2.717070] Code: 40 75 af f0 80 4f 01 40 48 81 c7 c0 0b 00 00 e8 d1 fb ff ff eb
> 9c db e3 eb c7 0f 0b 66 0f 1f 84 00 00 00 00 00 e9 62 ff ff ff <0f> 0b 66 0f 1f 84
> 00 00 00 00 00 e9 61 ff ff ff 66 66 2e 0f 1f 84
> [ 2.717073] RSP: 0018:ffffc90001427528 EFLAGS: 00010202
> [ 2.717076] RAX: 0000000000000001 RBX: 0000000000000002 RCX:
> 0000000000000000
> [ 2.717078] RDX: 0000000000000000 RSI: 0000000000000082 RDI:
> 0000000000000001
> [ 2.717080] RBP: ffff8881301e0000 R08: ffffffff82a246a0 R09:
> 5f4344203a786f62
> [ 2.717082] R10: 625f676e69646e75 R11: 6f625f6863746170 R12:
> ffff888181783000
> [ 2.717083] R13: 0000000000000000 R14: ffffc900014275cc R15:
> ffffffffa10c87c0
> [ 2.717085] FS: 00007f53f5f1a8c0(0000) GS:ffff8883fb100000(0000)
> knlGS:0000000000000000
> [ 2.717088] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> [ 2.717091] CR2: 00005572e3f6fc90 CR3: 00000001026ce000 CR4:
> 0000000000350ee0
> [ 2.717093] Call Trace:
> [ 2.717100] dcn21_calculate_wm.cold+0x27/0x3a8 [amdgpu]
> [ 2.717560] dcn21_validate_bandwidth_fp+0x4f8/0x5d3 [amdgpu]
> [ 2.717995] dcn21_validate_bandwidth+0x3e/0x63 [amdgpu]
> [ 2.718412] dc_validate_global_state+0x2db/0x370 [amdgpu]
> [ 2.718858] amdgpu_dm_atomic_check+0xbc9/0xce0 [amdgpu]
> [ 2.719317] drm_atomic_check_only+0x5bb/0x8d0
> [ 2.719324] ? _raw_spin_unlock_irqrestore+0x1b/0x40
> [ 2.719331] ? drm_connector_list_iter_next+0x85/0xb0
> [ 2.719335] ? drm_atomic_add_affected_connectors+0xfa/0x110
> [ 2.719340] drm_atomic_commit+0x1e/0x70
> [ 2.719343] drm_client_modeset_commit_atomic+0x1e4/0x220
> [ 2.719350] drm_client_modeset_commit_locked+0x56/0x160
> [ 2.719354] drm_client_modeset_commit+0x31/0x60
> [ 2.719358] drm_fb_helper_set_par+0xc7/0xf0
> [ 2.719364] fbcon_init+0x270/0x510
> [ 2.719369] visual_init+0xcb/0x130
> [ 2.719374] do_bind_con_driver.isra.0+0x202/0x320
> [ 2.719380] do_take_over_console+0x116/0x190
> [ 2.719385] do_fbcon_takeover+0x5b/0xc0
> [ 2.719388] fbcon_fb_registered+0x72/0xe0
> [ 2.719392] register_framebuffer+0x1e2/0x300
> [ 2.719398] __drm_fb_helper_initial_config_and_unlock+0x319/0x490
> [ 2.719404] amdgpu_fbdev_init+0xd0/0x110 [amdgpu]
> [ 2.719753] amdgpu_device_init.cold+0x164f/0x1afb [amdgpu]
> [ 2.720186] ? pci_bus_read_config_word+0x4d/0x80
> [ 2.720193] amdgpu_driver_load_kms+0x64/0x270 [amdgpu]
> [ 2.720563] amdgpu_pci_probe+0x151/0x1d0 [amdgpu]
> [ 2.720896] local_pci_probe+0x50/0xa0
> [ 2.720903] ? pci_match_device+0xd7/0x100
> [ 2.720906] pci_device_probe+0x108/0x1c0
> [ 2.720911] really_probe+0x109/0x470
> [ 2.720916] driver_probe_device+0xe1/0x150
> [ 2.720919] device_driver_attach+0xbd/0xd0
> [ 2.720923] __driver_attach+0x9e/0x150
> [ 2.720926] ? device_driver_attach+0xd0/0xd0
> [ 2.720928] ? device_driver_attach+0xd0/0xd0
> [ 2.720931] bus_for_each_dev+0x7a/0xc0
> [ 2.720936] ? klist_add_tail+0x4f/0x90
> [ 2.720940] bus_add_driver+0x14d/0x210
> [ 2.720945] driver_register+0x8b/0xe0
> [ 2.720949] ? 0xffffffffa11b6000
> [ 2.720951] do_one_initcall+0x44/0x200
> [ 2.720956] ? kmem_cache_alloc_trace+0x18c/0x210
> [ 2.720961] do_init_module+0x5c/0x260
> [ 2.720966] __do_sys_finit_module+0xca/0x140
> [ 2.720972] do_syscall_64+0x33/0x80
> [ 2.720978] entry_SYSCALL_64_after_hwframe+0x44/0xae
> [ 2.720983] RIP: 0033:0x7f53f63c4959
> [ 2.720987] 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 07 55 0c 00 f7 d8 64 89 01 48
> [ 2.720990] RSP: 002b:00007ffc27e37318 EFLAGS: 00000246 ORIG_RAX:
> 0000000000000139
> [ 2.720995] RAX: ffffffffffffffda RBX: 00005572e3f50f20 RCX:
> 00007f53f63c4959
> [ 2.720997] RDX: 0000000000000000 RSI: 00007f53f6550e4d RDI:
> 000000000000000c
> [ 2.720999] RBP: 0000000000020000 R08: 0000000000000000 R09:
> 00005572e3f50d68
> [ 2.721000] R10: 000000000000000c R11: 0000000000000246 R12:
> 00007f53f6550e4d
> [ 2.721002] R13: 0000000000000000 R14: 00005572e3f4f650 R15:
> 00005572e3f50f20
> [ 2.721006] ---[ end trace 1304f710de137125 ]---
> [ 2.721010] patch_bounding_box: DC_FP_END
> [ 2.721565] dcn21_validate_bandwidth: DC_FP_END
> [ 2.721568] ------------[ cut here ]------------
> [ 2.721569] WARNING: CPU: 12 PID: 389 at arch/x86/kernel/fpu/core.c:155
> kernel_fpu_end+0x35/0x50
> [ 2.721576] Modules linked in: joydev edac_mce_amd edac_core iwlmvm
> kvm_amd mac80211 libarc4 kvm irqbypass crct10dif_pclmul crc32_pclmul
> iwlwifi crc32c_intel snd_hda_codec_realtek snd_hda_codec_generic
> amdgpu(+) ghash_clmulni_intel snd_hda_codec_hdmi snd_hda_intel
> snd_intel_dspcfg snd_hda_codec rtsx_pci_sdmmc snd_hwdep mmc_core
> snd_hda_core aesni_intel libaes crypto_simd wmi_bmof thinkpad_acpi
> sp5100_tco snd_pcm cryptd nvram ucsi_acpi(+) ledtrig_audio watchdog rapl
> rtsx_pci platform_profile snd_timer pcspkr cfg80211 efi_pstore typec_ucsi
> k10temp ccp i2c_piix4 gpu_sched mfd_core r8169 roles snd typec wmi
> soundcore ac battery video i2c_scmi acpi_cpufreq button psmouse
> serio_raw nvme nvme_core
> [ 2.721633] CPU: 12 PID: 389 Comm: systemd-udevd Tainted: G W
> 5.12.0-rc2+ #1
> [ 2.721637] Hardware name: LENOVO 20Y2MMMMCC/20Y2MMMMCC,
> BIOS R1BET58W(1.27 ) 10/20/2020
> [ 2.721638] RIP: 0010:kernel_fpu_end+0x35/0x50
> [ 2.721642] Code: 7e 84 c0 74 25 65 c6 05 a0 22 ff 7e 00 bf 01 00 00 00 e8 1e 0a
> 08 00 65 8b 05 d7 22 ff 7e 85 c0 74 02 f3 c3 e8 d3 d1 fd ff c3 <0f> 0b 66 0f 1f 84
> 00 00 00 00 00 eb ce 66 66 2e 0f 1f 84 00 00 00
> [ 2.721645] RSP: 0018:ffffc90001427638 EFLAGS: 00010246
> [ 2.721647] RAX: 0000000000000000 RBX: 0000000000000000 RCX:
> 0000000000000000
> [ 2.721649] RDX: 0000000000000000 RSI: 0000000000000086 RDI:
> 00000000ffffffff
> [ 2.721651] RBP: ffff88810aa80000 R08: ffffffff82a246a0 R09:
> 6874646977646e61
> [ 2.721653] R10: 625f65746164444e R11: 61765f31326e4e45 R12:
> 0000000000000001
> [ 2.721654] R13: ffff888102e11800 R14: ffff88810aa81548 R15:
> ffff88810aa80000
> [ 2.721656] FS: 00007f53f5f1a8c0(0000) GS:ffff8883fb100000(0000)
> knlGS:0000000000000000
> [ 2.721659] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> [ 2.721661] CR2: 00005572e3f6fc90 CR3: 00000001026ce000 CR4:
> 0000000000350ee0
> [ 2.721664] Call Trace:
> [ 2.721666] dcn21_validate_bandwidth+0x5b/0x63 [amdgpu]
> [ 2.722107] dc_validate_global_state+0x2db/0x370 [amdgpu]
> [ 2.722548] amdgpu_dm_atomic_check+0xbc9/0xce0 [amdgpu]
> [ 2.723001] drm_atomic_check_only+0x5bb/0x8d0
> [ 2.723007] ? _raw_spin_unlock_irqrestore+0x1b/0x40
> [ 2.723012] ? drm_connector_list_iter_next+0x85/0xb0
> [ 2.723017] ? drm_atomic_add_affected_connectors+0xfa/0x110
> [ 2.723021] drm_atomic_commit+0x1e/0x70
> [ 2.723024] drm_client_modeset_commit_atomic+0x1e4/0x220
> [ 2.723030] drm_client_modeset_commit_locked+0x56/0x160
> [ 2.723035] drm_client_modeset_commit+0x31/0x60
> [ 2.723039] drm_fb_helper_set_par+0xc7/0xf0
> [ 2.723045] fbcon_init+0x270/0x510
> [ 2.723050] visual_init+0xcb/0x130
> [ 2.723055] do_bind_con_driver.isra.0+0x202/0x320
> [ 2.723060] do_take_over_console+0x116/0x190
> [ 2.723065] do_fbcon_takeover+0x5b/0xc0
> [ 2.723068] fbcon_fb_registered+0x72/0xe0
> [ 2.723072] register_framebuffer+0x1e2/0x300
> [ 2.723077] __drm_fb_helper_initial_config_and_unlock+0x319/0x490
> [ 2.723083] amdgpu_fbdev_init+0xd0/0x110 [amdgpu]
> [ 2.723429] amdgpu_device_init.cold+0x164f/0x1afb [amdgpu]
> [ 2.723870] ? pci_bus_read_config_word+0x4d/0x80
> [ 2.723878] amdgpu_driver_load_kms+0x64/0x270 [amdgpu]
> [ 2.724216] amdgpu_pci_probe+0x151/0x1d0 [amdgpu]
> [ 2.724560] local_pci_probe+0x50/0xa0
> [ 2.724566] ? pci_match_device+0xd7/0x100
> [ 2.724569] pci_device_probe+0x108/0x1c0
> [ 2.724574] really_probe+0x109/0x470
> [ 2.724578] driver_probe_device+0xe1/0x150
> [ 2.724582] device_driver_attach+0xbd/0xd0
> [ 2.724585] __driver_attach+0x9e/0x150
> [ 2.724588] ? device_driver_attach+0xd0/0xd0
> [ 2.724590] ? device_driver_attach+0xd0/0xd0
> [ 2.724593] bus_for_each_dev+0x7a/0xc0
> [ 2.724598] ? klist_add_tail+0x4f/0x90
> [ 2.724601] bus_add_driver+0x14d/0x210
> [ 2.724606] driver_register+0x8b/0xe0
> [ 2.724610] ? 0xffffffffa11b6000
> [ 2.724612] do_one_initcall+0x44/0x200
> [ 2.724617] ? kmem_cache_alloc_trace+0x18c/0x210
> [ 2.724621] do_init_module+0x5c/0x260
> [ 2.724626] __do_sys_finit_module+0xca/0x140
> [ 2.724632] do_syscall_64+0x33/0x80
> [ 2.724637] entry_SYSCALL_64_after_hwframe+0x44/0xae
> [ 2.724642] RIP: 0033:0x7f53f63c4959
> [ 2.724645] 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 07 55 0c 00 f7 d8 64 89 01 48
> [ 2.724648] RSP: 002b:00007ffc27e37318 EFLAGS: 00000246 ORIG_RAX:
> 0000000000000139
> [ 2.724652] RAX: ffffffffffffffda RBX: 00005572e3f50f20 RCX:
> 00007f53f63c4959
> [ 2.724654] RDX: 0000000000000000 RSI: 00007f53f6550e4d RDI:
> 000000000000000c
> [ 2.724656] RBP: 0000000000020000 R08: 0000000000000000 R09:
> 00005572e3f50d68
> [ 2.724658] R10: 000000000000000c R11: 0000000000000246 R12:
> 00007f53f6550e4d
> [ 2.724660] R13: 0000000000000000 R14: 00005572e3f4f650 R15:
> 00005572e3f50f20
> [ 2.724663] ---[ end trace 1304f710de137126 ]---
> [ 2.729729] ucsi_acpi: probe of USBC000:00 failed with error -5
> [ 2.787392] dcn21_validate_bandwidth: DC_FP_START
> [ 2.787443] patch_bounding_box: DC_FP_START
> [ 2.787447] patch_bounding_box: DC_FP_END
> [ 2.787985] dcn21_validate_bandwidth: DC_FP_END
> [ 2.788210] Console: switching to colour frame buffer device 240x67
> [ 2.788311] dcn21_validate_bandwidth: DC_FP_START
> [ 2.788357] patch_bounding_box: DC_FP_START
> [ 2.788359] patch_bounding_box: DC_FP_END
> [ 2.788888] dcn21_validate_bandwidth: DC_FP_END
> [ 2.788971] dcn21_validate_bandwidth: DC_FP_START
> [ 2.789004] patch_bounding_box: DC_FP_START
> [ 2.789005] patch_bounding_box: DC_FP_END
> [ 2.789529] dcn21_validate_bandwidth: DC_FP_END
> [ 3.072980] amdgpu 0000:06:00.0: [drm] fb0: amdgpudrmfb frame buffer
> device
> [ 3.074708] amdgpu 0000:06:00.0: amdgpu: ring gfx uses VM inv eng 0 on
> hub 0
> [ 3.076259] amdgpu 0000:06:00.0: amdgpu: ring comp_1.0.0 uses VM inv eng
> 1 on hub 0
> [ 3.077811] amdgpu 0000:06:00.0: amdgpu: ring comp_1.1.0 uses VM inv eng
> 4 on hub 0
> [ 3.079332] amdgpu 0000:06:00.0: amdgpu: ring comp_1.2.0 uses VM inv eng
> 5 on hub 0
> [ 3.080846] amdgpu 0000:06:00.0: amdgpu: ring comp_1.3.0 uses VM inv eng
> 6 on hub 0
> [ 3.082330] amdgpu 0000:06:00.0: amdgpu: ring comp_1.0.1 uses VM inv eng
> 7 on hub 0
> [ 3.083798] amdgpu 0000:06:00.0: amdgpu: ring comp_1.1.1 uses VM inv eng
> 8 on hub 0
> [ 3.085270] amdgpu 0000:06:00.0: amdgpu: ring comp_1.2.1 uses VM inv eng
> 9 on hub 0
> [ 3.086791] amdgpu 0000:06:00.0: amdgpu: ring comp_1.3.1 uses VM inv eng
> 10 on hub 0
> [ 3.088254] amdgpu 0000:06:00.0: amdgpu: ring kiq_2.1.0 uses VM inv eng
> 11 on hub 0
> [ 3.089734] amdgpu 0000:06:00.0: amdgpu: ring sdma0 uses VM inv eng 0 on
> hub 1
> [ 3.091224] amdgpu 0000:06:00.0: amdgpu: ring vcn_dec uses VM inv eng 1
> on hub 1
> [ 3.092700] amdgpu 0000:06:00.0: amdgpu: ring vcn_enc0 uses VM inv eng 4
> on hub 1
> [ 3.094157] amdgpu 0000:06:00.0: amdgpu: ring vcn_enc1 uses VM inv eng 5
> on hub 1
> [ 3.095602] amdgpu 0000:06:00.0: amdgpu: ring jpeg_dec uses VM inv eng 6
> on hub 1
> [ 3.119749] [drm] Initialized amdgpu 3.40.0 20150101 for 0000:06:00.0 on
> minor 2
> [ 3.372594] Adding 999420k swap on /dev/nvme0n1p3. Priority:-2 extents:1
> across:999420k SS
> [ 3.391787] EXT4-fs (nvme0n1p2): re-mounted. Opts: errors=remount-ro.
> Quota mode: disabled.
> [ 3.884636] Generic FE-GE Realtek PHY r8169-500:00: attached PHY driver
> (mii_bus:phy_addr=r8169-500:00, irq=MAC)
> [ 4.092855] r8169 0000:05:00.0 eth1: Link is Down
> [ 5.648793] r8169 0000:05:00.0 eth1: Link is Up - 100Mbps/Full - flow control
> rx/tx
> [ 5.650564] IPv6: ADDRCONF(NETDEV_CHANGE): eth1: link becomes ready
> [ 6.443233] dcn21_validate_bandwidth: DC_FP_START
> [ 6.443288] patch_bounding_box: DC_FP_START
> [ 6.443292] patch_bounding_box: DC_FP_END
> [ 6.443833] dcn21_validate_bandwidth: DC_FP_END
> [ 6.450332] dcn21_validate_bandwidth: DC_FP_START
> [ 6.450380] patch_bounding_box: DC_FP_START
> [ 6.453685] patch_bounding_box: DC_FP_END
> [ 6.454228] dcn21_validate_bandwidth: DC_FP_END
> [ 6.491039] dcn21_validate_bandwidth: DC_FP_START
> [ 6.492849] patch_bounding_box: DC_FP_START
> [ 6.494494] patch_bounding_box: DC_FP_END
> [ 6.496756] dcn21_validate_bandwidth: DC_FP_END
> [ 6.496840] dcn21_validate_bandwidth: DC_FP_START
> [ 6.500038] patch_bounding_box: DC_FP_START
> [ 6.500041] patch_bounding_box: DC_FP_END
> [ 6.500657] dcn21_validate_bandwidth: DC_FP_END
> [ 6.553312] dcn21_validate_bandwidth: DC_FP_START
> [ 6.555085] patch_bounding_box: DC_FP_START
> [ 6.556904] patch_bounding_box: DC_FP_END
> [ 6.559140] dcn21_validate_bandwidth: DC_FP_END
> [ 6.560938] dcn21_validate_bandwidth: DC_FP_START
> [ 6.562655] patch_bounding_box: DC_FP_START
> [ 6.562657] patch_bounding_box: DC_FP_END
> [ 6.563182] dcn21_validate_bandwidth: DC_FP_END
> [ 6.570850] dcn21_validate_bandwidth: DC_FP_START
> [ 6.570903] patch_bounding_box: DC_FP_START
> [ 6.570907] patch_bounding_box: DC_FP_END
> [ 6.571447] dcn21_validate_bandwidth: DC_FP_END
> [ 6.571507] dcn21_validate_bandwidth: DC_FP_START
> [ 6.571542] patch_bounding_box: DC_FP_START
> [ 6.571543] patch_bounding_box: DC_FP_END
> [ 6.572067] dcn21_validate_bandwidth: DC_FP_END
> [ 6.794475] dcn21_validate_bandwidth: DC_FP_START
> [ 6.794535] patch_bounding_box: DC_FP_START
> [ 6.794540] patch_bounding_box: DC_FP_END
> [ 6.795081] dcn21_validate_bandwidth: DC_FP_END
> [ 6.795136] dcn21_validate_bandwidth: DC_FP_START
> [ 6.795171] patch_bounding_box: DC_FP_START
> [ 6.795174] patch_bounding_box: DC_FP_END
> [ 6.795699] dcn21_validate_bandwidth: DC_FP_END
> [ 6.894809] dcn21_validate_bandwidth: DC_FP_START
> [ 6.894870] patch_bounding_box: DC_FP_START
> [ 6.894875] patch_bounding_box: DC_FP_END
> [ 6.895419] dcn21_validate_bandwidth: DC_FP_END
> [ 6.895480] dcn21_validate_bandwidth: DC_FP_START
> [ 6.895516] patch_bounding_box: DC_FP_START
> [ 6.895518] patch_bounding_box: DC_FP_END
> [ 6.896044] dcn21_validate_bandwidth: DC_FP_END
> [ 6.979250] dcn21_validate_bandwidth: DC_FP_START
> [ 6.979311] patch_bounding_box: DC_FP_START
> [ 6.979317] patch_bounding_box: DC_FP_END
> [ 6.979858] dcn21_validate_bandwidth: DC_FP_END
> [ 6.980820] dcn21_validate_bandwidth: DC_FP_START
> [ 6.980880] patch_bounding_box: DC_FP_START
> [ 6.980886] patch_bounding_box: DC_FP_END
> [ 6.981426] dcn21_validate_bandwidth: DC_FP_END
> [ 15.859486] dcn21_validate_bandwidth: DC_FP_START
> [ 15.859547] patch_bounding_box: DC_FP_START
> [ 15.859552] patch_bounding_box: DC_FP_END
> [ 15.860095] dcn21_validate_bandwidth: DC_FP_END
> [ 15.861096] dcn21_validate_bandwidth: DC_FP_START
> [ 15.861167] patch_bounding_box: DC_FP_START
> [ 15.861173] patch_bounding_box: DC_FP_END
> [ 15.861894] dcn21_validate_bandwidth: DC_FP_END
> [ 15.866043] dcn21_validate_bandwidth: DC_FP_START
> [ 15.866098] patch_bounding_box: DC_FP_START
> [ 15.866102] patch_bounding_box: DC_FP_END
> [ 15.866645] dcn21_validate_bandwidth: DC_FP_END
> [ 15.866704] dcn21_validate_bandwidth: DC_FP_START
> [ 15.866739] patch_bounding_box: DC_FP_START
> [ 15.866741] patch_bounding_box: DC_FP_END
> [ 15.867267] dcn21_validate_bandwidth: DC_FP_END
> [ 15.882518] dcn21_validate_bandwidth: DC_FP_START
> [ 15.882573] patch_bounding_box: DC_FP_START
> [ 15.882577] patch_bounding_box: DC_FP_END
> [ 15.883116] dcn21_validate_bandwidth: DC_FP_END
> [ 15.883175] dcn21_validate_bandwidth: DC_FP_START
> [ 15.883209] patch_bounding_box: DC_FP_START
> [ 15.883211] patch_bounding_box: DC_FP_END
> [ 15.883734] dcn21_validate_bandwidth: DC_FP_END
> [ 15.899206] dcn21_validate_bandwidth: DC_FP_START
> [ 15.899260] patch_bounding_box: DC_FP_START
> [ 15.899264] patch_bounding_box: DC_FP_END
> [ 15.899804] dcn21_validate_bandwidth: DC_FP_END
> [ 15.899864] dcn21_validate_bandwidth: DC_FP_START
> [ 15.899898] patch_bounding_box: DC_FP_START
> [ 15.899900] patch_bounding_box: DC_FP_END
> [ 15.900450] dcn21_validate_bandwidth: DC_FP_END
>
> --
> Regards/Gruss,
> Boris.
>
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