This fix has already been released as part of the kernel stable updates.
** Changed in: linux (Ubuntu Xenial)
Status: Incomplete => Opinion
** Changed in: linux (Ubuntu Xenial)
Status: Opinion => Fix Released
** Changed in: linux (Ubuntu Bionic)
Status: Incomplete => Fix
Ubuntu 19.04 reached end of life on January 23, 2020. I am therefore
marking this bug 'wontfix' for that release.
** Changed in: linux (Ubuntu Disco)
Status: Incomplete => Won't Fix
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Marking status on B/X/D as Incomplete.
(email below sent to kernel-team mailing list
as replies to both patch series above).
Please hold / don't apply this patch for now.
The reporter hit an apparently unrelated Oops in 3 of 40 nodes,
and it hasn't been possible yet to determine whether this
** Tags added: sts
** Changed in: linux (Ubuntu Xenial)
Importance: Undecided => High
** Changed in: linux (Ubuntu Bionic)
Importance: Undecided => High
** Changed in: linux (Ubuntu Xenial)
Importance: High => Critical
** Changed in: linux (Ubuntu Bionic)
Importance: High =>
[X/B][PATCH] bnx2x: Disable multi-cos feature.
https://lists.ubuntu.com/archives/kernel-team/2019-August/103282.html
[D][PATCH] bnx2x: Disable multi-cos feature.
https://lists.ubuntu.com/archives/kernel-team/2019-August/103283.html
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Older crashdump analysis confirmed the bnx2x driver/status
being in traffic class setup / stop hardware in LLDP path.
PID: 3936 TASK: 883fdc9b1c00 CPU: 11 COMMAND: "kworker/11:0"
#0 [883fec593ce0] __schedule at 81850bae
#1 [883fec593d30] schedule at 818510f5
#2
Somewhat similarly on recent 5.2 kernel without the fix.
(again with options to ignore hardware errors/faults)
Aug 19 17:15:15 HOSTNAME kernel: Uhhuh. NMI received for unknown reason 21 on
CPU 0.
Aug 19 17:15:15 HOSTNAME kernel: perf interrupt took too long (3222 > 2500),
lowering
For documentation purposes, in a recent Xenial/4.4 kernel,
this kernel error log is seen (with options to ignore the
hardware error/fault that panics/reboots the system).
[ 113.658876] bnx2x: [bnx2x_stats_comp:205(eno1)]timeout waiting for stats
finished
[ 123.648066] bnx2x:
This fix is already present in Eoan and Unstable:
~/git/ubuntu-eoan$ git log --oneline origin/master-next --
drivers/net/ethernet/broadcom/bnx2x/ | head | grep cos
1c41d7b7cf60 bnx2x: Disable multi-cos feature.
~/git/ubuntu-eoan$ git describe --contains 1c41d7b7cf60
Ubuntu-5.2.0-12.13~51
