[Bug 1751796] Re: zed process consuming 100% cpu

[Brad Figg]

** Tags added: cscc

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Title:
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[Bug 1751796] Re: zed process consuming 100% cpu

[Andy Whitcroft]

This bug was erroneously marked for verification in bionic; verification
is not required and verification-needed-bionic is being removed.

** Tags removed: verification-needed-bionic

** Tags added: verification-done-bionic

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[Bug 1751796] Re: zed process consuming 100% cpu

[Brad Figg]

This bug is awaiting verification that the kernel in -proposed solves
the problem. Please test the kernel and update this bug with the
results. If the problem is solved, change the tag 'verification-needed-
bionic' to 'verification-done-bionic'. If the problem still exists,
change the tag 'verification-needed-bionic' to 'verification-failed-
bionic'.

If verification is not done by 5 working days from today, this fix will
be dropped from the source code, and this bug will be closed.

See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how
to enable and use -proposed. Thank you!


** Tags added: verification-needed-bionic

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[Bug 1751796] Re: zed process consuming 100% cpu

[Andy Whitcroft]

** Tags removed: verification-needed-bionic
** Tags added: kernel-fixup-verification-needed-bionic

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[Bug 1751796] Re: zed process consuming 100% cpu

[Brad Figg]

This bug is awaiting verification that the kernel in -proposed solves
the problem. Please test the kernel and update this bug with the
results. If the problem is solved, change the tag 'verification-needed-
bionic' to 'verification-done-bionic'. If the problem still exists,
change the tag 'verification-needed-bionic' to 'verification-failed-
bionic'.

If verification is not done by 5 working days from today, this fix will
be dropped from the source code, and this bug will be closed.

See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how
to enable and use -proposed. Thank you!


** Tags added: verification-needed-bionic

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Title:
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[Bug 1751796] Re: zed process consuming 100% cpu

[Launchpad Bug Tracker]

This bug was fixed in the package linux - 4.15.0-15.16

---
linux (4.15.0-15.16) bionic; urgency=medium

  * linux: 4.15.0-15.16 -proposed tracker (LP: #1761177)

  * FFe: Enable configuring resume offset via sysfs (LP: #1760106)
- PM / hibernate: Make passing hibernate offsets more friendly

  * /dev/bcache/by-uuid links not created after reboot (LP: #1729145)
- SAUCE: (no-up) bcache: decouple emitting a cached_dev CHANGE uevent

  * Ubuntu18.04:POWER9:DD2.2 - Unable to start a KVM guest with default machine
type(pseries-bionic) complaining "KVM implementation does not support
Transactional Memory, try cap-htm=off" (kvm) (LP: #1752026)
- powerpc: Use feature bit for RTC presence rather than timebase presence
- powerpc: Book E: Remove unused CPU_FTR_L2CSR bit
- powerpc: Free up CPU feature bits on 64-bit machines
- powerpc: Add CPU feature bits for TM bug workarounds on POWER9 v2.2
- powerpc/powernv: Provide a way to force a core into SMT4 mode
- KVM: PPC: Book3S HV: Work around transactional memory bugs in POWER9
- KVM: PPC: Book3S HV: Work around XER[SO] bug in fake suspend mode
- KVM: PPC: Book3S HV: Work around TEXASR bug in fake suspend state

  * Important Kernel fixes to be backported for Power9 (kvm) (LP: #1758910)
- powerpc/mm: Fixup tlbie vs store ordering issue on POWER9

  * Ubuntu 18.04 - IO Hang on some namespaces when running HTX with 16
namespaces  (Bolt / NVMe) (LP: #1757497)
- powerpc/64s: Fix lost pending interrupt due to race causing lost update to
  irq_happened

  * fwts-efi-runtime-dkms 18.03.00-0ubuntu1: fwts-efi-runtime-dkms kernel module
failed to build (LP: #1760876)
- [Packaging] include the retpoline extractor in the headers

linux (4.15.0-14.15) bionic; urgency=medium

  * linux: 4.15.0-14.15 -proposed tracker (LP: #1760678)

  * [Bionic] mlx4 ETH - mlnx_qos failed when set some TC to vendor
(LP: #1758662)
- net/mlx4_en: Change default QoS settings

  * AT_BASE_PLATFORM in AUXV is absent on kernels available on Ubuntu 17.10
(LP: #1759312)
- powerpc/64s: Fix NULL AT_BASE_PLATFORM when using DT CPU features

  * Bionic update to 4.15.15 stable release (LP: #1760585)
- net: dsa: Fix dsa_is_user_port() test inversion
- openvswitch: meter: fix the incorrect calculation of max delta_t
- qed: Fix MPA unalign flow in case header is split across two packets.
- tcp: purge write queue upon aborting the connection
- qed: Fix non TCP packets should be dropped on iWARP ll2 connection
- sysfs: symlink: export sysfs_create_link_nowarn()
- net: phy: relax error checking when creating sysfs link netdev->phydev
- devlink: Remove redundant free on error path
- macvlan: filter out unsupported feature flags
- net: ipv6: keep sk status consistent after datagram connect failure
- ipv6: old_dport should be a __be16 in __ip6_datagram_connect()
- ipv6: sr: fix NULL pointer dereference when setting encap source address
- ipv6: sr: fix scheduling in RCU when creating seg6 lwtunnel state
- mlxsw: spectrum_buffers: Set a minimum quota for CPU port traffic
- net: phy: Tell caller result of phy_change()
- ipv6: Reflect MTU changes on PMTU of exceptions for MTU-less routes
- net sched actions: return explicit error when tunnel_key mode is not
  specified
- ppp: avoid loop in xmit recursion detection code
- rhashtable: Fix rhlist duplicates insertion
- test_rhashtable: add test case for rhltable with duplicate objects
- kcm: lock lower socket in kcm_attach
- sch_netem: fix skb leak in netem_enqueue()
- ieee802154: 6lowpan: fix possible NULL deref in lowpan_device_event()
- net: use skb_to_full_sk() in skb_update_prio()
- net: Fix hlist corruptions in inet_evict_bucket()
- s390/qeth: free netdevice when removing a card
- s390/qeth: when thread completes, wake up all waiters
- s390/qeth: lock read device while queueing next buffer
- s390/qeth: on channel error, reject further cmd requests
- soc/fsl/qbman: fix issue in qman_delete_cgr_safe()
- dpaa_eth: fix error in dpaa_remove()
- dpaa_eth: remove duplicate initialization
- dpaa_eth: increment the RX dropped counter when needed
- dpaa_eth: remove duplicate increment of the tx_errors counter
- dccp: check sk for closed state in dccp_sendmsg()
- ipv6: fix access to non-linear packet in ndisc_fill_redirect_hdr_option()
- l2tp: do not accept arbitrary sockets
- net: ethernet: arc: Fix a potential memory leak if an optional regulator 
is
  deferred
- net: ethernet: ti: cpsw: add check for in-band mode setting with RGMII PHY
  interface
- net: fec: Fix unbalanced PM runtime calls
- net/iucv: Free memory obtained by kzalloc
- netlink: avoid a double skb free in genlmsg_mcast()
- net: Only honor ifindex in IP_PKTINFO if non-0
- net: systemport: Rewrite __bcm_sysport_tx_reclaim()
- 

[Bug 1751796] Re: zed process consuming 100% cpu

[Thadeu Lima de Souza Cascardo]

** Also affects: linux (Ubuntu Bionic)
   Importance: High
 Assignee: Colin Ian King (colin-king)
   Status: In Progress

** Also affects: zfs-linux (Ubuntu Bionic)
   Importance: High
 Assignee: Colin Ian King (colin-king)
   Status: Fix Released

** Changed in: linux (Ubuntu Bionic)
   Status: In Progress => Fix Committed

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[Bug 1751796] Re: zed process consuming 100% cpu

[Colin Ian King]

** Also affects: linux (Ubuntu)
   Importance: Undecided
   Status: New

** Changed in: linux (Ubuntu)
   Status: New => In Progress

** Changed in: linux (Ubuntu)
   Importance: Undecided => High

** Changed in: linux (Ubuntu)
 Assignee: (unassigned) => Colin Ian King (colin-king)

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[Bug 1751796] Re: zed process consuming 100% cpu

[Launchpad Bug Tracker]

This bug was fixed in the package zfs-linux - 0.7.5-1ubuntu8

---
zfs-linux (0.7.5-1ubuntu8) bionic; urgency=medium

  * Add ZFS 0.6.x kernel ioctl binary compat shim (LP: #1751796)
Detect ZFS kernel driver version and copy zfs ioctl command to the
newer ZFS 0.7.0 ioctl command layout.

 -- Colin Ian King   Thu, 22 Mar 2018 12:00:32
+

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

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[Bug 1751796] Re: zed process consuming 100% cpu

[Colin Ian King]

** Changed in: zfs-linux (Ubuntu)
   Status: In Progress => Fix Committed

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[Bug 1751796] Re: zed process consuming 100% cpu

[Colin Ian King]

The ZFS ioctl() interface is not binary compatible between the older
userspace and newer kernel drivers. Fortunately this is fixable with an
ioctl() remapping, which seems to fix the issue for me. I'll get an
update in by EOD.

** Changed in: zfs-linux (Ubuntu)
   Importance: Medium => High

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[Bug 1751796] Re: zed process consuming 100% cpu

[Steve Langasek]

Obviously the user needs to reboot after a dist-upgrade for the new
system to be fully usable, but zed should degrade more gracefully than
by pegging the CPU.

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[Bug 1751796] Re: zed process consuming 100% cpu

[Steve Langasek]

Confirmed this bug here - same situation, I did an upgrade from 17.10 to
18.04, and prior to reboot, zed is spinning using 100% of a core.

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[Bug 1751796] Re: zed process consuming 100% cpu

[Colin Ian King]

** Summary changed:

- zed process consumming 100% cpu
+ zed process consuming 100% cpu

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