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Subjectnvme vs. hibernation ( again )
Hi Christoph,

I see this was already discussed in 2 threads:

https://lists.infradead.org/pipermail/linux-nvme/2019-April/023234.html
https://lkml.org/lkml/2019/5/24/668

but in latest git the issue still exists.

I hit that on each resume on my Acer Nitro 5 (AN515-43-R8BF) Laptop.

.....
Sep 11 16:16:30 nitro5 kernel: Freezing remaining freezable tasks ...
(elapsed 0.000 seconds) done.
Sep 11 16:16:30 nitro5 kernel: printk: Suspending console(s) (use
no_console_suspend to debug)
Sep 11 16:16:30 nitro5 kernel: WARNING: CPU: 0 PID: 882 at
kernel/irq/chip.c:210 irq_startup+0xe6/0xf0
Sep 11 16:16:30 nitro5 kernel: Modules linked in: af_packet bnep
amdgpu ath10k_pci ath10k_core ath mac80211 joydev uvcvideo
videobuf2_vmalloc videobuf2_memops edac_mce_amd videobuf2_v4l2
amd_iommu_v2 kvm_amd gpu_sched btusb snd_hda_codec_realtek ttm btrtl
btbcm btintel hid_multitouch ccp snd_hda_codec_generic nls_utf8
bluetooth drm_kms_helper hid_generic videobuf2_common ledtrig_audio
snd_hda_codec_hdmi nls_cp437 cfg80211 drm kvm snd_hda_intel vfat
videodev fat agpgart efi_pstore r8169 snd_hda_codec ecdh_generic
i2c_algo_bit realtek irqbypass pcspkr mc rfkill fb_sys_fops efivars
syscopyarea snd_hda_core ecc k10temp wmi_bmof sysfillrect tpm_crb
crc16 libphy i2c_piix4 libarc4 snd_hwdep hwmon sysimgblt tpm_tis
tpm_tis_core evdev ac tpm battery mac_hid i2c_designware_platform
pinctrl_amd i2c_designware_core rng_core acer_wireless button
acpi_cpufreq ppdev sch_fq_codel fuse snd_pcm_oss snd_mixer_oss snd_pcm
snd_seq_dummy snd_seq_oss snd_seq_midi_event snd_seq snd_seq_device
snd_timer snd soundcore lp parport_pc
Sep 11 16:16:30 nitro5 kernel: parport xfs libcrc32c crc32c_generic
crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel ahci
libahci libata xhci_pci xhci_hcd aesni_intel usbcore scsi_mod
aes_x86_64 crypto_simd cryptd glue_helper serio_raw i2c_hid hid video
i2c_core wmi dm_mirror dm_region_hash dm_log dm_mod unix sha1_ssse3
sha1_generic hmac ipv6 nf_defrag_ipv6 autofs4
Sep 11 16:16:30 nitro5 kernel: CPU: 0 PID: 882 Comm: kworker/u32:9 Not
tainted 5.3.0-rc8-00007-g3120b9a6a3f7-dirty #2
Sep 11 16:16:30 nitro5 kernel: Hardware name: Acer Nitro
AN515-43/Octavia_PKS, BIOS V1.05 08/07/2019
Sep 11 16:16:30 nitro5 kernel: Workqueue: events_unbound async_run_entry_fn
Sep 11 16:16:30 nitro5 kernel: RIP: 0010:irq_startup+0xe6/0xf0
Sep 11 16:16:30 nitro5 kernel: Code: e8 7f 3c 00 00 85 c0 0f 85 e3 09
00 00 4c 89 e7 31 d2 4c 89 ee e8 1a cf ff ff 48 89 ef e8 b2 fe ff ff
41 89 c4 e9 51 ff ff ff <0f> 0b eb b2 66 0f 1f 44 00 00 0f 1f 44 00 00
55 48 89 fd 53 48 8b
Sep 11 16:16:30 nitro5 kernel: RSP: 0018:ffffbe9b00793c38 EFLAGS: 00010002
Sep 11 16:16:30 nitro5 kernel: RAX: 0000000000000010 RBX:
0000000000000001 RCX: 0000000000000040
Sep 11 16:16:30 nitro5 kernel: RDX: 0000000000000000 RSI:
ffffffff9d1b8800 RDI: ffff9c9d9e136598
Sep 11 16:16:30 nitro5 kernel: RBP: ffff9c9d981e5400 R08:
0000000000000000 R09: ffff9c9d9e8003f0
Sep 11 16:16:30 nitro5 kernel: R10: 0000000000000000 R11:
ffffffff9d057688 R12: 0000000000000001
Sep 11 16:16:30 nitro5 kernel: R13: ffff9c9d9e136598 R14:
0000000000000000 R15: ffff9c9d9e346000
Sep 11 16:16:30 nitro5 kernel: FS: 0000000000000000(0000)
GS:ffff9c9da0800000(0000) knlGS:0000000000000000
Sep 11 16:16:30 nitro5 kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Sep 11 16:16:30 nitro5 kernel: CR2: 00005633ad8d0060 CR3:
00000003db8d0000 CR4: 00000000003406f0
Sep 11 16:16:30 nitro5 kernel: Call Trace:
Sep 11 16:16:30 nitro5 kernel: enable_irq+0x48/0x90
Sep 11 16:16:30 nitro5 kernel: nvme_poll_irqdisable+0x20c/0x280
Sep 11 16:16:30 nitro5 kernel: __nvme_disable_io_queues+0x19d/0x1d0
Sep 11 16:16:30 nitro5 kernel: ? nvme_del_queue_end+0x20/0x20
Sep 11 16:16:30 nitro5 kernel: nvme_dev_disable+0x15c/0x210
Sep 11 16:16:30 nitro5 kernel: nvme_suspend+0x40/0x130
Sep 11 16:16:30 nitro5 kernel: pci_pm_suspend+0x72/0x130
Sep 11 16:16:30 nitro5 kernel: ? pci_pm_freeze+0xb0/0xb0
Sep 11 16:16:30 nitro5 kernel: dpm_run_callback+0x29/0x120
Sep 11 16:16:30 nitro5 kernel: __device_suspend+0x1b2/0x400
Sep 11 16:16:30 nitro5 kernel: async_suspend+0x1b/0x90
Sep 11 16:16:30 nitro5 kernel: async_run_entry_fn+0x37/0xe0
Sep 11 16:16:30 nitro5 kernel: process_one_work+0x1d1/0x3a0
Sep 11 16:16:30 nitro5 kernel: worker_thread+0x4a/0x3d0
Sep 11 16:16:30 nitro5 kernel: kthread+0xf9/0x130
Sep 11 16:16:30 nitro5 kernel: ? process_one_work+0x3a0/0x3a0
Sep 11 16:16:30 nitro5 kernel: ? kthread_park+0x80/0x80
Sep 11 16:16:30 nitro5 kernel: ret_from_fork+0x22/0x40
Sep 11 16:16:30 nitro5 kernel: ---[ end trace c598a86b44574730 ]---

...

The patch from Dongli Zhang was rejected the time without any other fix
or work on this issue I could find.

Are there any plans to fix that or any code to test?

Best Regards,

Gabriel C

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