[Bug 1630038] Re: thunder nic: avoid link delays due to RX_PACKET_DIS

[Alexandru Avadanii]

Hi, Dann,
I created a new bug and pasted the same info as above at [1].
Afaict, there is no useful information in the logs when link training fails.

[1] https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1674837

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Title:
  thunder nic: avoid link delays due to RX_PACKET_DIS

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Re: [Bug 1630038] Re: thunder nic: avoid link delays due to RX_PACKET_DIS

[dann frazier]

On Tue, Mar 21, 2017 at 3:41 PM, Alexandru Avadanii
 wrote:
> Hi,
>
> 1) We tested different models (CRB-1S, CRB-2S) - all behave the same.
> 2) Please check the logs "ThunderX 4.11-rc1 console log" in [2] linked above. 
> I don't think firmware version makes a difference for this issue (we saw the 
> same bug with firmwares: T22, T27, T31).
>
> All in all, this issue seems pretty tied to the switch we use, and all
> firmware/board model combinations behaved the same ...

Hi Alex,

  Would you mind opening a new bug to track this regression and linking
it here?

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[Bug 1630038] Re: thunder nic: avoid link delays due to RX_PACKET_DIS

[Alexandru Avadanii]

Hi,

1) We tested different models (CRB-1S, CRB-2S) - all behave the same.
2) Please check the logs "ThunderX 4.11-rc1 console log" in [2] linked above. I 
don't think firmware version makes a difference for this issue (we saw the same 
bug with firmwares: T22, T27, T31).

All in all, this issue seems pretty tied to the switch we use, and all
firmware/board model combinations behaved the same ...

Thanks,
Alex

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[Bug 1630038] Re: thunder nic: avoid link delays due to RX_PACKET_DIS

[Raghuram Kota]

Hi,

Regarding comment#6, can you please help provide :

1) The model of the specific server in  use ? 
2) A console log that help determine the UEFI firmware version running on that 
model ? 

Thanks,
Raghu

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[Bug 1630038] Re: thunder nic: avoid link delays due to RX_PACKET_DIS

[Alexandru Avadanii]

Hi,
This fix introduced a regression with ThunderX nodes (CRB-1S, CRB-2S) and our 
10G switch (Extreme Networks x670 10GE L3).
We have opened a downstream bug report [1], where we temporarily bypassed this 
by pinning the kernel to 4.4.0-45.
I also tested 4.8 (multiple builds), 4.10 and 4.11-rc1 (vanilla); all are still 
affected by link training issues with our switch, with 4.11-rc1 not working at 
all and reporting more issues (logs attached in a different LP comment [2]).

BR,
Alex

[1] https://jira.opnfv.org/browse/ARMBAND-168
[2] https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1672521/comments/17

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[Bug 1630038] Re: thunder nic: avoid link delays due to RX_PACKET_DIS

[Launchpad Bug Tracker]

This bug was fixed in the package linux - 4.8.0-30.32

---
linux (4.8.0-30.32) yakkety; urgency=low

  * CVE-2016-8655 (LP: #1646318)
- packet: fix race condition in packet_set_ring

 -- Brad Figg   Thu, 01 Dec 2016 08:02:53 -0800

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

** CVE added: http://www.cve.mitre.org/cgi-
bin/cvename.cgi?name=2016-8655

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[Bug 1630038] Re: thunder nic: avoid link delays due to RX_PACKET_DIS

[Launchpad Bug Tracker]

This bug was fixed in the package linux - 4.4.0-47.68

---
linux (4.4.0-47.68) xenial; urgency=low

  [ Kamal Mostafa ]

  * Release Tracking Bug
- LP: #1636941

  * Add a driver for Amazon Elastic Network Adapters (ENA) (LP: #1635721)
- lib/bitmap.c: conversion routines to/from u32 array
- net: ethtool: add new ETHTOOL_xLINKSETTINGS API
- net: ena: Add a driver for Amazon Elastic Network Adapters (ENA)
- [config] enable CONFIG_ENA_ETHERNET=m (Amazon ENA driver)

  * unexpectedly large memory usage of mounted snaps (LP: #1636847)
- [Config] switch squashfs to single threaded decode

 -- Kamal Mostafa   Wed, 26 Oct 2016 10:47:55 -0700

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

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

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Title:
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[Bug 1630038] Re: thunder nic: avoid link delays due to RX_PACKET_DIS

[Launchpad Bug Tracker]

This bug was fixed in the package linux - 4.8.0-27.29

---
linux (4.8.0-27.29) yakkety; urgency=low

  [ Seth Forshee ]

  * Release Tracking Bug
- LP: #1635377

  * proc_keys_show crash when reading /proc/keys (LP: #1634496)
- SAUCE: KEYS: ensure xbuf is large enough to fix buffer overflow in
  proc_keys_show (LP: #1634496)

  * Revert "If zone is so small that watermarks are the same, stop zone balance"
in yakkety (LP: #1632894)
- Revert "UBUNTU: SAUCE: (no-up) If zone is so small that watermarks are the
  same, stop zone balance."

  * lts-yakkety 4.8 cannot mount lvm raid1 (LP: #1631298)
- SAUCE: (no-up) dm raid: fix compat_features validation

  * kswapd0 100% CPU usage (LP: #1518457)
- SAUCE: (no-up) If zone is so small that watermarks are the same, stop zone
  balance.

  * [Trusty->Yakkety] powerpc/64: Fix incorrect return value from
__copy_tofrom_user (LP: #1632462)
- SAUCE: (no-up) powerpc/64: Fix incorrect return value from
  __copy_tofrom_user

  * Ubuntu 16.10: Oops panic in move_page_tables/page_remove_rmap after running
memory_stress_ng. (LP: #1628976)
- SAUCE: (no-up) powerpc/pseries: Fix stack corruption in htpe code

  * Paths not failed properly when unmapping virtual FC ports in VIOS (using
ibmvfc) (LP: #1632116)
- scsi: ibmvfc: Fix I/O hang when port is not mapped

  * [Ubuntu16.10]KV4.8: kernel livepatch config options are not set
(LP: #1626983)
- [Config] Enable live patching on powerpc/ppc64el

  * CONFIG_AUFS_XATTR is not set (LP: #1557776)
- [Config] CONFIG_AUFS_XATTR=y

  * Yakkety update to 4.8.1 stable release (LP: #1632445)
- arm64: debug: avoid resetting stepping state machine when TIF_SINGLESTEP
- Using BUG_ON() as an assert() is _never_ acceptable
- usb: misc: legousbtower: Fix NULL pointer deference
- Staging: fbtft: Fix bug in fbtft-core
- usb: usbip: vudc: fix left shift overflow
- USB: serial: cp210x: Add ID for a Juniper console
- Revert "usbtmc: convert to devm_kzalloc"
- ALSA: hda - Adding one more ALC255 pin definition for headset problem
- ALSA: hda - Fix headset mic detection problem for several Dell laptops
- ALSA: hda - Add the top speaker pin config for HP Spectre x360
- Linux 4.8.1

  * PSL data cache should be flushed before resetting CAPI adapter
(LP: #1632049)
- cxl: Flush PSL cache before resetting the adapter

  * thunder nic: avoid link delays due to RX_PACKET_DIS (LP: #1630038)
- net: thunderx: Don't set RX_PACKET_DIS while initializing

  * crypto/vmx/p8_ghash memory corruption (LP: #1630970)
- crypto: ghash-generic - move common definitions to a new header file
- crypto: vmx - Fix memory corruption caused by p8_ghash
- crypto: vmx - Ensure ghash-generic is enabled

  * arm64: SPCR console not autodetected (LP: #1630311)
- of/serial: move earlycon early_param handling to serial
- [Config] CONFIG_ACPI_SPCR_TABLE=y
- ACPI: parse SPCR and enable matching console
- ARM64: ACPI: enable ACPI_SPCR_TABLE
- serial: pl011: add console matching function

  * include/linux/security.h header syntax error with !CONFIG_SECURITYFS
(LP: #1630990)
- SAUCE: (no-up) include/linux/security.h -- fix syntax error with
  CONFIG_SECURITYFS=n

  * sha1-powerpc returning wrong results (LP: #1629977)
- crypto: sha1-powerpc - little-endian support

 -- Seth Forshee   Thu, 20 Oct 2016 14:09:37
-0500

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  thunder nic: avoid link delays due to RX_PACKET_DIS

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[Bug 1630038] Re: thunder nic: avoid link delays due to RX_PACKET_DIS

[Seth Forshee]

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

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

** Changed in: linux (Ubuntu Yakkety)
   Status: New => Fix Committed

** Changed in: linux (Ubuntu Yakkety)
 Assignee: (unassigned) => dann frazier (dannf)

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[Bug 1630038] Re: thunder nic: avoid link delays due to RX_PACKET_DIS

[dann frazier]

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

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[Bug 1630038] Re: thunder nic: avoid link delays due to RX_PACKET_DIS

[dann frazier]

** Tags removed: verification-needed-xenial
** Tags added: verification-done-xenial

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Title:
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[Bug 1630038] Re: thunder nic: avoid link delays due to RX_PACKET_DIS

[dann frazier]

** Tags removed: verification-needed-yakkety
** Tags added: verification-done-yakkety

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Title:
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[Bug 1630038] Re: thunder nic: avoid link delays due to RX_PACKET_DIS

[Seth Forshee]

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-
yakkety' to 'verification-done-yakkety'.

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!

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[Bug 1630038] Re: thunder nic: avoid link delays due to RX_PACKET_DIS

[Seth Forshee]

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-
xenial' to 'verification-done-xenial'.

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-xenial

** Tags added: verification-needed-yakkety

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[Bug 1630038] Re: thunder nic: avoid link delays due to RX_PACKET_DIS

[Seth Forshee]

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

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[Bug 1630038] Re: thunder nic: avoid link delays due to RX_PACKET_DIS

[dann frazier]

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

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

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

** Changed in: linux (Ubuntu Xenial)
 Assignee: (unassigned) => dann frazier (dannf)

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