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[Bug 1788035] Re: nvme: avoid cqe corruption

To: group.of.nepali.translators@xxxxxxxxxxxxxxxxxxx
From: Launchpad Bug Tracker <1788035@xxxxxxxxxxxxxxxxxx>
Date: Mon, 10 Sep 2018 17:54:50 -0000
Reply-to: Bug 1788035 <1788035@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
This bug was fixed in the package linux - 4.4.0-135.161

---------------
linux (4.4.0-135.161) xenial; urgency=medium

  * linux: 4.4.0-135.161 -proposed tracker (LP: #1788766)

  * [Regression] APM Merlin boards fail to recover link after interface down/up
    (LP: #1785739)
    - net: phylib: fix interrupts re-enablement in phy_start
    - net: phy: fix phy_start to consider PHY_IGNORE_INTERRUPT

  * qeth: don't clobber buffer on async TX completion (LP: #1786057)
    - s390/qeth: don't clobber buffer on async TX completion

  * nvme: avoid cqe corruption (LP: #1788035)
    - nvme: avoid cqe corruption when update at the same time as read

  * CacheFiles: Error: Overlong wait for old active object to go away.
    (LP: #1776254)
    - cachefiles: Fix missing clear of the CACHEFILES_OBJECT_ACTIVE flag
    - cachefiles: Wait rather than BUG'ing on "Unexpected object collision"

  * fscache cookie refcount updated incorrectly during fscache object allocation
    (LP: #1776277) // fscache cookie refcount updated incorrectly during fscache
    object allocation (LP: #1776277)
    - fscache: Fix reference overput in fscache_attach_object() error handling

  * FS-Cache: Assertion failed: FS-Cache: 6 == 5 is false (LP: #1774336)
    - Revert "UBUNTU: SAUCE: CacheFiles: fix a read_waiter/read_copier race"
    - fscache: Allow cancelled operations to be enqueued
    - cachefiles: Fix refcounting bug in backing-file read monitoring

  * linux-cloud-tools-common: Ensure hv-kvp-daemon.service starts before
    walinuxagent.service (LP: #1739107)
    - [Debian] hyper-v -- Ensure that hv-kvp-daemon.service starts before
      walinuxagent.service

 -- Khalid Elmously <khalid.elmously@xxxxxxxxxxxxx>  Sun, 26 Aug 2018
23:56:50 -0400

** Changed in: linux (Ubuntu Xenial)
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/1788035

Title:
  nvme: avoid cqe corruption

Status in linux package in Ubuntu:
  In Progress
Status in linux source package in Xenial:
  Fix Released

Bug description:
  To address customer-reported NVMe issue with instance types (notably
  c5 and m5) that expose EBS volumes as NVMe devices, this commit from
  mainline v4.6 should be backported to Xenial:

  d783e0bd02e700e7a893ef4fa71c69438ac1c276 nvme: avoid cqe corruption
  when update at the same time as read

  dmesg sample:

  [Wed Aug 15 01:11:21 2018] nvme 0000:00:1f.0: I/O 8 QID 1 timeout, aborting
  [Wed Aug 15 01:11:21 2018] nvme 0000:00:1f.0: I/O 9 QID 1 timeout, aborting
  [Wed Aug 15 01:11:21 2018] nvme 0000:00:1f.0: I/O 21 QID 2 timeout, aborting
  [Wed Aug 15 01:11:32 2018] nvme 0000:00:1f.0: I/O 10 QID 1 timeout, aborting
  [Wed Aug 15 01:11:51 2018] nvme 0000:00:1f.0: I/O 8 QID 1 timeout, reset controller
  [Wed Aug 15 01:11:51 2018] nvme nvme1: Abort status: 0x2
  [Wed Aug 15 01:11:51 2018] nvme nvme1: Abort status: 0x2
  [Wed Aug 15 01:11:51 2018] nvme nvme1: Abort status: 0x2
  [Wed Aug 15 01:11:51 2018] nvme 0000:00:1f.0: Cancelling I/O 21 QID 2
  [Wed Aug 15 01:11:51 2018] nvme 0000:00:1f.0: completing aborted command with status: 0007
  [Wed Aug 15 01:11:51 2018] blk_update_request: I/O error, dev nvme1n1, sector 83887751
  [Wed Aug 15 01:11:51 2018] blk_update_request: I/O error, dev nvme1n1, sector 83887751
  [Wed Aug 15 01:11:51 2018] nvme 0000:00:1f.0: Cancelling I/O 22 QID 2
  [Wed Aug 15 01:11:51 2018] blk_update_request: I/O error, dev nvme1n1, sector 83887767
  [Wed Aug 15 01:11:51 2018] blk_update_request: I/O error, dev nvme1n1, sector 83887767
  [Wed Aug 15 01:11:51 2018] nvme 0000:00:1f.0: Cancelling I/O 23 QID 2
  [Wed Aug 15 01:11:51 2018] blk_update_request: I/O error, dev nvme1n1, sector 83887769
  [Wed Aug 15 01:11:51 2018] blk_update_request: I/O error, dev nvme1n1, sector 83887769
  [Wed Aug 15 01:11:51 2018] nvme 0000:00:1f.0: Cancelling I/O 8 QID 1
  [Wed Aug 15 01:11:51 2018] nvme 0000:00:1f.0: Cancelling I/O 9 QID 1
  [Wed Aug 15 01:11:51 2018] nvme 0000:00:1f.0: completing aborted command with status: 0007
  [Wed Aug 15 01:11:51 2018] blk_update_request: I/O error, dev nvme1n1, sector 41943136
  [Wed Aug 15 01:11:51 2018] nvme 0000:00:1f.0: Cancelling I/O 10 QID 1
  [Wed Aug 15 01:11:51 2018] nvme 0000:00:1f.0: completing aborted command with status: 0007
  [Wed Aug 15 01:11:51 2018] blk_update_request: I/O error, dev nvme1n1, sector 6976
  [Wed Aug 15 01:11:51 2018] nvme 0000:00:1f.0: Cancelling I/O 22 QID 1
  [Wed Aug 15 01:11:51 2018] nvme 0000:00:1f.0: Cancelling I/O 23 QID 1
  [Wed Aug 15 01:11:51 2018] nvme 0000:00:1f.0: Cancelling I/O 24 QID 1
  [Wed Aug 15 01:11:51 2018] nvme 0000:00:1f.0: Cancelling I/O 25 QID 1
  [Wed Aug 15 01:11:51 2018] nvme 0000:00:1f.0: Cancelling I/O 2 QID 0
  [Wed Aug 15 01:11:51 2018] nvme nvme1: Abort status: 0x7
  [Wed Aug 15 01:11:51 2018] nvme 0000:00:1f.0: completing aborted command with status: fffffffc
  [Wed Aug 15 01:11:51 2018] blk_update_request: I/O error, dev nvme1n1, sector 96
  [Wed Aug 15 01:11:51 2018] XFS (nvme1n1): metadata I/O error: block 0x5000687 ("xlog_iodone") error 5 numblks 64
  [Wed Aug 15 01:11:51 2018] XFS (nvme1n1): xfs_do_force_shutdown(0x2) called from line 1197 of file /build/linux-c2Z51P/linux-4.4.0/fs/xfs/xfs_log.c. Return address = 0xffffffffc075d428
  [Wed Aug 15 01:11:51 2018] XFS (nvme1n1): xfs_log_force: error -5 returned.
  [Wed Aug 15 01:11:51 2018] XFS (nvme1n1): Log I/O Error Detected. Shutting down filesystem
  [Wed Aug 15 01:11:51 2018] XFS (nvme1n1): Please umount the filesystem and rectify the problem(s)
  [Wed Aug 15 01:11:51 2018] Buffer I/O error on dev nvme1n1, logical block 872, lost async page write
  [Wed Aug 15 01:11:51 2018] XFS (nvme1n1): xfs_imap_to_bp: xfs_trans_read_buf() returned error -5.
  [Wed Aug 15 01:11:51 2018] XFS (nvme1n1): xfs_iunlink_remove: xfs_imap_to_bp returned error -5.
  [Wed Aug 15 01:11:51 2018] Buffer I/O error on dev nvme1n1, logical block 873, lost async page write
  [Wed Aug 15 01:11:51 2018] Buffer I/O error on dev nvme1n1, logical block 874, lost async page write
  [Wed Aug 15 01:11:51 2018] Buffer I/O error on dev nvme1n1, logical block 875, lost async page write
  [Wed Aug 15 01:11:51 2018] Buffer I/O error on dev nvme1n1, logical block 876, lost async page write
  [Wed Aug 15 01:11:51 2018] Buffer I/O error on dev nvme1n1, logical block 877, lost async page write
  [Wed Aug 15 01:11:51 2018] Buffer I/O error on dev nvme1n1, logical block 878, lost async page write
  [Wed Aug 15 01:11:51 2018] Buffer I/O error on dev nvme1n1, logical block 879, lost async page write
  [Wed Aug 15 01:11:51 2018] Buffer I/O error on dev nvme1n1, logical block 880, lost async page write
  [Wed Aug 15 01:11:51 2018] Buffer I/O error on dev nvme1n1, logical block 881, lost async page write
  [Wed Aug 15 01:11:51 2018] XFS (nvme1n1): metadata I/O error: block 0x5000697 ("xlog_iodone") error 5 numblks 64
  [Wed Aug 15 01:11:51 2018] XFS (nvme1n1): xfs_log_force: error -5 returned.
  [Wed Aug 15 01:11:51 2018] XFS (nvme1n1): xfs_do_force_shutdown(0x2) called from line 1197 of file /build/linux-c2Z51P/linux-4.4.0/fs/xfs/xfs_log.c. Return address = 0xffffffffc075d428
  [Wed Aug 15 01:11:51 2018] XFS (nvme1n1): metadata I/O error: block 0x5000699 ("xlog_iodone") error 5 numblks 64
  [Wed Aug 15 01:11:51 2018] XFS (nvme1n1): xfs_do_force_shutdown(0x2) called from line 1197 of file /build/linux-c2Z51P/linux-4.4.0/fs/xfs/xfs_log.c. Return address = 0xffffffffc075d428
  [Wed Aug 15 01:12:20 2018] XFS (nvme1n1): xfs_log_force: error -5 returned.
  [Wed Aug 15 01:12:22 2018] nvme 0000:00:1f.0: I/O 22 QID 1 timeout, aborting
  [Wed Aug 15 01:12:22 2018] nvme 0000:00:1f.0: I/O 23 QID 1 timeout, aborting
  [Wed Aug 15 01:12:22 2018] nvme 0000:00:1f.0: I/O 24 QID 1 timeout, aborting
  [Wed Aug 15 01:12:22 2018] nvme 0000:00:1f.0: I/O 25 QID 1 timeout, aborting
  [Wed Aug 15 01:12:22 2018] nvme 0000:00:1f.0: I/O 24 QID 2 timeout, aborting
  [Wed Aug 15 01:12:22 2018] nvme nvme1: Abort status: 0x2
  [Wed Aug 15 01:12:22 2018] nvme nvme1: Abort status: 0x2
  [Wed Aug 15 01:12:22 2018] nvme nvme1: Abort status: 0x2
  [Wed Aug 15 01:12:22 2018] nvme nvme1: Abort status: 0x2
  [Wed Aug 15 01:12:22 2018] nvme nvme1: Abort status: 0x2
  [Wed Aug 15 01:12:50 2018] XFS (nvme1n1): xfs_log_force: error -5 returned.
  [Wed Aug 15 01:12:52 2018] nvme 0000:00:1f.0: I/O 22 QID 1 timeout, reset controller
  [Wed Aug 15 01:13:21 2018] XFS (nvme1n1): xfs_log_force: error -5 returned.
  [Wed Aug 15 01:13:51 2018] XFS (nvme1n1): xfs_log_force: error -5 returned.
  [Wed Aug 15 01:14:21 2018] XFS (nvme1n1): xfs_log_force: error -5 returned.

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