Public bug reported:
On stock kernel 4.4.0.184-214, issuing "tc qdisc add dev eth0 root fq maxrate
25mbit" causes CPU lockup
(NMI watchdog: BUG: soft lockup - CPU#26 stuck for 22s! [tc:6394])
This does not occur on 4.4.0.179 or earlier.
Happens on both a intel i40e driver and ixgbe.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Attachment added: "apport.linux-image-4.4.0-184-generic.5fnlmlqp.apport"
https://bugs.launchpad.net/bugs/1883597/+attachment/5384147/+files/apport.linux-image-4.4.0-184-generic.5fnlmlqp.apport
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https://bugs.launchpad.net/bugs/1883597
Title:
Kernel 4.4.0-184 hangs when issuing tc qdisc command
Status in linux package in Ubuntu:
New
Bug description:
On stock kernel 4.4.0.184-214, issuing "tc qdisc add dev eth0 root fq maxrate
25mbit" causes CPU lockup
(NMI watchdog: BUG: soft lockup - CPU#26 stuck for 22s! [tc:6394])
This does not occur on 4.4.0.179 or earlier.
Happens on both a intel i40e driver and ixgbe.
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1883597/+subscriptions
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