apport information
** Attachment added: "WifiSyslog.txt"
https://bugs.launchpad.net/bugs/1883597/+attachment/5384179/+files/WifiSyslog.txt
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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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:
Confirmed
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.
---
AlsaDevices:
total 0
crw-rw----+ 1 root audio 116, 1 Jun 15 14:52 seq
crw-rw----+ 1 root audio 116, 33 Jun 15 14:52 timer
AplayDevices: Error: [Errno 2] No such file or directory
ApportVersion: 2.20.1-0ubuntu2.23
Architecture: amd64
ArecordDevices: Error: [Errno 2] No such file or directory
AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq',
'/dev/snd/timer'] failed with exit code 1:
DistroRelease: Ubuntu 16.04
HibernationDevice: RESUME=UUID=09e7e0db-e2ed-4cb1-8d1b-2eefdaa81d3a
InstallationDate: Installed on 2019-02-22 (479 days ago)
InstallationMedia: Ubuntu-Server 16.04.3 LTS "Xenial Xerus" - Release amd64
(20170801)
IwConfig: Error: [Errno 2] No such file or directory
Lsusb:
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 004: ID 0557:2419 ATEN International Co., Ltd
Bus 001 Device 003: ID 0557:7000 ATEN International Co., Ltd Hub
Bus 001 Device 002: ID 0d3d:0040 Tangtop Technology Co., Ltd PS/2 Adapter
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: Supermicro SSG-6029P-E1CR12L
Package: linux (not installed)
PciMultimedia:
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
LANG=en_US
SHELL=/bin/bash
ProcFB: 0 EFI VGA
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-184-generic
root=UUID=8b0d6ed1-2955-4f7a-aeb6-cbfa319aed17 ro text nomodeset consoleblank=0
nopti crashkernel=384M-:128M crashkernel=384M-2G:64M,2G-:768M
ProcVersionSignature: Ubuntu 4.4.0-184.214-generic 4.4.223
RelatedPackageVersions:
linux-restricted-modules-4.4.0-184-generic N/A
linux-backports-modules-4.4.0-184-generic N/A
linux-firmware 1.157.23
RfKill: Error: [Errno 2] No such file or directory
Tags: xenial
Uname: Linux 4.4.0-184-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups:
_MarkForUpload: True
dmi.bios.date: 02/27/2018
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 2.0b
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: X11DPH-T
dmi.board.vendor: Supermicro
dmi.board.version: 1.01
dmi.chassis.asset.tag: To be filled by O.E.M.
dmi.chassis.type: 1
dmi.chassis.vendor: Supermicro
dmi.chassis.version: 0123456789
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvr2.0b:bd02/27/2018:svnSupermicro:pnSSG-6029P-E1CR12L:pvr0123456789:rvnSupermicro:rnX11DPH-T:rvr1.01:cvnSupermicro:ct1:cvr0123456789:
dmi.product.name: SSG-6029P-E1CR12L
dmi.product.version: 0123456789
dmi.sys.vendor: Supermicro
---
AlsaDevices:
total 0
crw-rw----+ 1 root audio 116, 1 Jun 15 14:52 seq
crw-rw----+ 1 root audio 116, 33 Jun 15 14:52 timer
AplayDevices: Error: [Errno 2] No such file or directory
ApportVersion: 2.20.1-0ubuntu2.23
Architecture: amd64
ArecordDevices: Error: [Errno 2] No such file or directory
AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq',
'/dev/snd/timer'] failed with exit code 1:
DistroRelease: Ubuntu 16.04
HibernationDevice: RESUME=UUID=09e7e0db-e2ed-4cb1-8d1b-2eefdaa81d3a
InstallationDate: Installed on 2019-02-22 (479 days ago)
InstallationMedia: Ubuntu-Server 16.04.3 LTS "Xenial Xerus" - Release amd64
(20170801)
IwConfig: Error: [Errno 2] No such file or directory
Lsusb:
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 004: ID 0557:2419 ATEN International Co., Ltd
Bus 001 Device 003: ID 0557:7000 ATEN International Co., Ltd Hub
Bus 001 Device 002: ID 0d3d:0040 Tangtop Technology Co., Ltd PS/2 Adapter
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: Supermicro SSG-6029P-E1CR12L
Package: linux (not installed)
PciMultimedia:
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
LANG=en_US
SHELL=/bin/bash
ProcFB: 0 EFI VGA
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-184-generic
root=UUID=8b0d6ed1-2955-4f7a-aeb6-cbfa319aed17 ro text nomodeset consoleblank=0
nopti crashkernel=384M-:128M crashkernel=384M-2G:64M,2G-:768M
ProcVersionSignature: Ubuntu 4.4.0-184.214-generic 4.4.223
RelatedPackageVersions:
linux-restricted-modules-4.4.0-184-generic N/A
linux-backports-modules-4.4.0-184-generic N/A
linux-firmware 1.157.23
RfKill: Error: [Errno 2] No such file or directory
Tags: xenial
Uname: Linux 4.4.0-184-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups:
_MarkForUpload: True
dmi.bios.date: 02/27/2018
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 2.0b
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: X11DPH-T
dmi.board.vendor: Supermicro
dmi.board.version: 1.01
dmi.chassis.asset.tag: To be filled by O.E.M.
dmi.chassis.type: 1
dmi.chassis.vendor: Supermicro
dmi.chassis.version: 0123456789
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvr2.0b:bd02/27/2018:svnSupermicro:pnSSG-6029P-E1CR12L:pvr0123456789:rvnSupermicro:rnX11DPH-T:rvr1.01:cvnSupermicro:ct1:cvr0123456789:
dmi.product.name: SSG-6029P-E1CR12L
dmi.product.version: 0123456789
dmi.sys.vendor: Supermicro
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