Bug 202597

During a suspend-resume cycle, the following warning happened:

<4> [250.786911] WARNING: CPU: 2 PID: 2537 at drivers/net/ethernet/intel/e1000e/netdev.c:6311 e1000e_pm_freeze+0x8b/0x90 [e1000e]
<4> [250.786913] Modules linked in: vgem snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic btusb btrtl btbcm btintel bluetooth ecdh_generic cdc_ncm x86_pkg_temp_thermal coretemp usbnet mii crct10dif_pclmul crc32_pclmul ghash_clmulni_intel i915 snd_hda_intel snd_hda_codec snd_hwdep snd_hda_core i2c_i801 lpc_ich snd_pcm e1000e mei_me ptp pps_core mei prime_numbers
<4> [250.786931] CPU: 2 PID: 2537 Comm: kworker/u16:28 Tainted: G     U            5.0.0-rc6-CI-CI_DRM_5601+ #1
<4> [250.786933] Hardware name: LENOVO 2356GCG/2356GCG, BIOS G7ET31WW (1.13 ) 07/02/2012
<4> [250.786936] Workqueue: events_unbound async_run_entry_fn
<4> [250.786943] RIP: 0010:e1000e_pm_freeze+0x8b/0x90 [e1000e]
<4> [250.786945] Code: 31 f6 e8 c8 fb ff ff 4c 89 e7 e8 90 5a ff ff 4c 89 e7 e8 58 ae ff ff 48 8d bd f8 0f 00 00 e8 4c ad fe ff 31 c0 5b 5d 41 5c c3 <0f> 0b eb cf 90 55 48 8d af 50 ff ff ff 53 48 89 fb 48 89 ef e8 bc
<4> [250.786946] RSP: 0018:ffffc90000827cf0 EFLAGS: 00010202
<4> [250.786948] RAX: 000000000000000e RBX: 0000000000000000 RCX: 0000000000000000
<4> [250.786950] RDX: 0000000000000006 RSI: ffffffff8212e7a2 RDI: 00000000ffffffff
<4> [250.786951] RBP: ffff888127784000 R08: 00000000e0558a9a R09: 0000000000000000
<4> [250.786952] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881277849c0
<4> [250.786954] R13: 0000000000000000 R14: 0000000000000000 R15: ffff888138afb4a8
<4> [250.786955] FS:  0000000000000000(0000) GS:ffff88813a080000(0000) knlGS:0000000000000000
<4> [250.786957] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4> [250.786959] CR2: 000055d38366ed80 CR3: 0000000005214001 CR4: 00000000001606e0
<4> [250.786960] Call Trace:
<4> [250.786968]  e1000e_pm_suspend+0x1c/0x40 [e1000e]
<4> [250.786972]  pci_pm_suspend+0x6d/0x120
<4> [250.786975]  ? pci_pm_freeze+0xc0/0xc0
<4> [250.786979]  dpm_run_callback+0x64/0x280
<4> [250.786983]  __device_suspend+0x12a/0x5b0
<4> [250.786987]  ? dpm_watchdog_set+0x60/0x60
<4> [250.786992]  async_suspend+0x15/0x90
<4> [250.786995]  async_run_entry_fn+0x34/0x160
<4> [250.786998]  process_one_work+0x245/0x610
<4> [250.787004]  worker_thread+0x37/0x380
<4> [250.787007]  ? process_one_work+0x610/0x610
<4> [250.787010]  kthread+0x119/0x130
<4> [250.787012]  ? kthread_park+0x80/0x80
<4> [250.787016]  ret_from_fork+0x3a/0x50
<4> [250.787024] irq event stamp: 1470
<4> [250.787026] hardirqs last  enabled at (1469): [<ffffffff8197b02c>] _raw_spin_unlock_irqrestore+0x4c/0x60
<4> [250.787029] hardirqs last disabled at (1470): [<ffffffff810019b0>] trace_hardirqs_off_thunk+0x1a/0x1c
<4> [250.787031] softirqs last  enabled at (1454): [<ffffffff81c0033a>] __do_softirq+0x33a/0x4b9
<4> [250.787034] softirqs last disabled at (1439): [<ffffffff810b5101>] irq_exit+0xd1/0xe0
<4> [250.787039] WARNING: CPU: 2 PID: 2537 at drivers/net/ethernet/intel/e1000e/netdev.c:6311 e1000e_pm_freeze+0x8b/0x90 [e1000e]
<4> [250.787040] ---[ end trace f9841ec3bf954a7f ]---
<3> [250.804894] e1000e 0000:00:19.0 eth0: Could not acquire PHY
<3> [250.826991] pci_pm_suspend(): e1000e_pm_suspend+0x0/0x40 [e1000e] returns -2
<3> [250.826995] dpm_run_callback(): pci_pm_suspend+0x0/0x120 returns -2
<3> [250.827006] PM: Device 0000:00:19.0 failed to suspend async: error -2
<3> [250.827037] PM: Some devices failed to suspend, or early wake event detected

All the logs from the event are stored here: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_5601/fi-ivb-3520m/igt%40kms_pipe_crc_basic%40suspend-read-crc-pipe-a.html

All the information about the machine can be found here: https://intel-gfx-ci.01.org/hardware/fi-ivb-3520m/