This bug is missing log files that will aid in diagnosing the problem.
While running an Ubuntu kernel (not a mainline or third-party kernel)
please enter the following command in a terminal window:
apport-collect 1862559
and then change the status of the bug to 'Confirmed'.
If, due to the nature of the issue you have encountered, you are unable
to run this command, please add a comment stating that fact and change
the bug status to 'Confirmed'.
This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.
** Changed in: linux (Ubuntu)
Status: New => Incomplete
** Tags added: eoan
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https://bugs.launchpad.net/bugs/1862559
Title:
ubuntu 19.10: unresponsive/freezes on ThunderX2 if system is idle for
~22min
Status in linux package in Ubuntu:
Incomplete
Bug description:
UBUNTU 19.10 installed on ThunderX2 saber ARM64 machine. If the system
left idle for ~22min it becomes unresponsive. The system will not take
any inputs like from UART, ping ..etc. The system will completely
freeze and we need to hard reset the system. It could be possible the
system goes to hibernate state and could not able to come out of the
state.
Dmesg log when system halts/no response on Saber boards (TX2)
Ubuntu 19.10 ubuntu ttyAMA0
ubuntu login: ubuntu
Password:
Last login: Wed Jan 29 20:08:22 PST 2020 on ttyAMA0
Welcome to Ubuntu 19.10 (GNU/Linux 5.3.0-26-generic aarch64)
* Documentation: https://help.ubuntu.com
* Management: https://landscape.canonical.com
* Support: https://ubuntu.com/advantage
ubuntu@ubuntu:~$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 19.10
Release: 19.10
Codename: eoan
[ +0.732512] audit: type=1400 audit(1580358920.412:2): apparmor="STATUS"
operation="profile_load" profile="unconfined" name="lsb_release" pid=3087
comm="apparmor_parser"
[ +0.000064] audit: type=1400 audit(1580358920.412:3): apparmor="STATUS"
operation="profile_load" profile="unconfined" name="/usr/sbin/ippusbxd"
pid=3091 comm="apparmor_parser"
[ +0.000168] audit: type=1400 audit(1580358920.412:4): apparmor="STATUS"
operation="profile_load" profile="unconfined" name="nvidia_modprobe" pid=3086
comm="apparmor_parser"
[ +0.000005] audit: type=1400 audit(1580358920.412:5): apparmor="STATUS"
operation="profile_load" profile="unconfined" name="nvidia_modprobe//kmod"
pid=3086 comm="apparmor_parser"
[ +0.000546] audit: type=1400 audit(1580358920.412:6): apparmor="STATUS"
operation="profile_load" profile="unconfined" name="/usr/bin/man" pid=3085
comm="apparmor_parser"
[ +0.000006] audit: type=1400 audit(1580358920.412:7): apparmor="STATUS"
operation="profile_load" profile="unconfined" name="man_filter" pid=3085
comm="apparmor_parser"
[ +0.000005] audit: type=1400 audit(1580358920.412:8): apparmor="STATUS"
operation="profile_load" profile="unconfined" name="man_groff" pid=3085
comm="apparmor_parser"
[ +0.000854] audit: type=1400 audit(1580358920.412:9): apparmor="STATUS"
operation="profile_load" profile="unconfined" name="/usr/sbin/tcpdump" pid=3089
comm="apparmor_parser"
[ +0.002667] audit: type=1400 audit(1580358920.416:10): apparmor="STATUS"
operation="profile_load" profile="unconfined" name="/sbin/dhclient" pid=3093
comm="apparmor_parser"
[ +0.000004] audit: type=1400 audit(1580358920.416:11): apparmor="STATUS"
operation="profile_load" profile="unconfined"
name="/usr/lib/NetworkManager/nm-dhcp-client.action" pid=3093
comm="apparmor_parser"
[ +1.382579] igb 0000:92:00.1 enp146s0f1: igb: enp146s0f1 NIC Link is Up
1000 Mbps Full Duplex, Flow Control: RX
[ +0.000299] IPv6: ADDRCONF(NETDEV_CHANGE): enp146s0f1: link becomes ready
[ +3.131173] mpt3sas_cm0: port enable: SUCCESS
[Jan29 20:36] random: crng init done
[ +0.000004] random: 7 urandom warning(s) missed due to ratelimiting
*[Jan29 20:37] rfkill: input handler disabled*
*[Jan29 20:57] PM: suspend entry (deep)*
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