** Changed in: linux (Ubuntu)
Status: Confirmed => Fix Released
** Changed in: linux (Ubuntu)
Assignee: (unassigned) => Nivedita Singhvi (niveditasinghvi)
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** Tags added: cscc
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https://bugs.launchpad.net/bugs/1814095
Title:
bnxt_en_po: TX timed out triggering Netdev Watchdog Timer
Status in linux package in Ubuntu:
** Tags added: sts
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Title:
bnxt_en_po: TX timed out triggering Netdev Watchdog Timer
Status in linux package in Ubuntu:
This bug was fixed in the package linux - 4.4.0-145.171
---
linux (4.4.0-145.171) xenial; urgency=medium
* linux: 4.4.0-145.171 -proposed tracker (LP: #1821724)
* linux-generic should depend on linux-base >=4.1 (LP: #1820419)
- [Packaging] Fix linux-base dependency
linux
I am not sure we could deterministically provoke the
issue. At the very least to ensure no other regression
was introduced, I would run it under heavy network load.
The environment in question which saw the issue had
network load, contention for cpus and several other
issues occur.
The basic
Are there repro steps that can be passed along to test?
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Title:
bnxt_en_po: TX timed out triggering Netdev Watchdog Timer
Status
Just briefly wanted to say that this is one we've discussed at
length -- we may not be able to get someone who has the right
NIC to test with it in time.
I'm sanity checking the kernel, but that is not exercising the
key change here.
If we could assume verification-done for our purposes
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 the problem still exists,
change the tag
** Changed in: linux (Ubuntu Xenial)
Status: In Progress => Fix Committed
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Title:
bnxt_en_po: TX timed out triggering Netdev
Terry,
We've had a lot of discussion over this bug. It does not have
a reliable reproducer, and I have not yet received any acks
on testing of the above.
Our thinking was that it was still better to patch it since
it has been seen by the mainline driver as well and we'd like
to avoid a
** Changed in: linux (Ubuntu Xenial)
Status: Confirmed => In Progress
** Changed in: linux (Ubuntu Xenial)
Assignee: (unassigned) => Nivedita Singhvi (niveditasinghvi)
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Nivedita, per the request to test this patch, determining the correct FW
version seems an open issue. There is also the issue of having hardware
available to properly test.
Have you been able to determine a reproducer for this bug?
Do you know if anyone has been able to test the backport?
** Changed in: linux (Ubuntu Xenial)
Status: New => Confirmed
** Changed in: linux (Ubuntu Xenial)
Importance: Undecided => High
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** Also affects: linux (Ubuntu Xenial)
Importance: Undecided
Status: New
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Title:
bnxt_en_po: TX timed out triggering
** Description changed:
+ [Impact]
+
+ The bnxt_en_bpo driver experienced tx timeouts causing the system to
+ experience network stalls and fail to send data and heartbeat packets.
+
The following 25Gb Broadcom NIC error was seen on Xenial
running the 4.4.0-141-generic kernel on an amd64
If anyone is interested and willing to test a 4.4 kernel
patched with the fix "bnxt_en: Fix TX timeout during netpoll"
backported to the bnxt_en_bpo driver, please find the packages
here:
http://people.canonical.com/~nivedita/bpo/
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** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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Title:
bnxt_en_po: TX timed out triggering Netdev Watchdog
Due to earlier NIC flapping observed on systems for the
25Gb Broadcom NIC, with originally the following config,
the firmware was upgraded to avoid a known FW bug:
$ cat ethtool_-i_enp59s0f1d1
driver: bnxt_en_bpo
version: 1.8.1
firmware-version: 20.8.163/1.8.4 pkg 20.08.04.03
** Attachment added: "kern.log.excerpt-netdev-watchdog-timeout.txt"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1814095/+attachment/5234643/+files/kern.log.excerpt-netdev-watchdog-timeout.txt
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