linux-kernel - Possible nvme regression in 6.4.11

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Message-ID: <5f968b95-6b1c-4d6f-aac7-5d54f66834a8@sapience.com>
Date:   Wed, 16 Aug 2023 16:39:34 -0400
From:   Genes Lists <lists@...ience.com>
To:     linux-kernel@...r.kernel.org
Cc:     kbusch@...nel.org, axboe@...nel.dk, sagi@...mberg.me,
        linux-nvme@...ts.infradead.org, hch@....de
Subject: Possible nvme regression in 6.4.11

Also reported to bugzilla [1]

Failure happens on 1 laptop with samsung ssd.

Boot log manually transcribed:

kernel: nvme nvme0: controller is down; will reset: CSTS:0xffffffff, 
PCI_STATUS=0xffff
kernel: nvme nvme0: Does your device have a faulty power saving mode 
enabled?
kernel: nvme nvme0: try "nvme_core.default_ps_max_latency_us=0 
pcie_aspm=off" and report a bug
kernel: nvme 0000:04:00.0: Unable to change power state from D3cold to 
D0, device inaccessible
kernel: nvme nvme0: Disabling device after reset failure: -19
mount[353]: mount /sysroot: can't read suprtblock on /dev/nvme0n1p5.
mount[353]:       dmesg(1) may have more information after failed moutn 
system call.
kernel: nvme0m1: detected capacity change from 2000409264 to 0
kernel: EXT4-fs (nvme0n1p5): unable to read superblock
systemd([1]: sysroot.mount: Mount process exited, code=exited, status=32/n/a
...

All kernels are upstream, untainted and compiled on Arch using:

  gcc version 13.2.1

Kernels Tested:
  - 6.4.10 - works fine
  - 6.4.11 - fails
  - 6.5-rc6 - fails
  - 6.4.11 + nvme_core.default_ps_max_latency_us=0 pcie_aspm=off - fails
  - 6.4.11 with 1 revert below - fails

     Revert "nvme-pci: add NVME_QUIRK_BOGUS_NID for Samsung PM9B1 256G 
and 512G"
     This reverts commit 061fbf64825fb47367bbb6e0a528611f08119473.

Hardware:
   model name      : Intel(R) Core(TM) i7-7820HQ CPU @ 2.90GHz
   stepping        : 9
   microcode       : 0xf4

nvme:
04:00.0 Non-Volatile memory controller: Samsung Electronics Co Ltd NVMe 
SSD Controller SM961/PM961/SM963
         Subsystem: Samsung Electronics Co Ltd SM963 2.5" NVMe PCIe SSD
         Flags: bus master, fast devsel, latency 0, IRQ 16, NUMA node 0
         Memory at edb00000 (64-bit, non-prefetchable) [size=16K]
         Capabilities: [40] Power Management version 3
         Capabilities: [50] MSI: Enable- Count=1/32 Maskable- 64bit+
         Capabilities: [70] Express Endpoint, MSI 00
         Capabilities: [b0] MSI-X: Enable+ Count=33 Masked-
         Kernel driver in use: nvme

Gene

[1] https://bugzilla.kernel.org/show_bug.cgi?id=217802