[Bug 1776059] Re: landscape-broker segfaults killing network connection and touchscreen driver
[Expired for landscape-client (Ubuntu) because there has been no activity for 60 days.] ** Changed in: landscape-client (Ubuntu) Status: Incomplete => Expired -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1776059 Title: landscape-broker segfaults killing network connection and touchscreen driver To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/landscape-client/+bug/1776059/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1776059] Re: landscape-broker segfaults killing network connection and touchscreen driver
Jun 9 18:36:29 machine sshd[10309]: Failed password for root from $EVILIP port 60394 ssh2 Jun 9 18:38:25 machine sshd[10335]: Server listening on 0.0.0.0 port 22. Jun 9 18:38:25 machine sshd[10335]: Server listening on :: port 22. Jun 9 18:38:39 machine sshd[10339]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=$EVILIP user=root Jun 9 18:38:25 tilburg-kassa kernel: [41888.700394] BUG: unable to handle kernel paging request at ff60 I notice on the same timestamp that ssh does a Server listening on 0.0.0.0 port 22 But for the SSHD error nothing in the log. Jun 9 19:05:33 tilburg-kassa kernel: [43516.157000] traps: sshd[10982] trap invalid opcode ip:7ff469ac8d40 sp:7fffb13fe488 error:0 in pam_unix.so[7ff469ac1000+e000] -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1776059 Title: landscape-broker segfaults killing network connection and touchscreen driver To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/landscape-client/+bug/1776059/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1776059] Re: landscape-broker segfaults killing network connection and touchscreen driver
Here is Swap usage over 3 days. ** Attachment added: "Swap usage over 3 days" https://bugs.launchpad.net/ubuntu/+source/landscape-client/+bug/1776059/+attachment/5151421/+files/Swap_3-day.png -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1776059 Title: landscape-broker segfaults killing network connection and touchscreen driver To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/landscape-client/+bug/1776059/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1776059] Re: landscape-broker segfaults killing network connection and touchscreen driver
Heres a 3-day graph from landscape showing that memory never reaches more that 57 used. The gap of course being the downtime caused by this bug. ~$ free -h totalusedfree shared buff/cache available Mem: 3,8G959M2,0G 28M819M2,6G Swap: 3,9G 0B3,9G FilenameTypeSizeUsedPriority /dev/dm-1 partition 4112380 0 -1 ** Attachment added: "3-day graph of memory including outage" https://bugs.launchpad.net/ubuntu/+source/landscape-client/+bug/1776059/+attachment/5151420/+files/Memory3-day.png -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1776059 Title: landscape-broker segfaults killing network connection and touchscreen driver To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/landscape-client/+bug/1776059/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1776059] Re: landscape-broker segfaults killing network connection and touchscreen driver
This looks like a kernel bug: Jun 9 18:37:37 tilburg-kassa kernel: [41840.340109] landscape-broke[1217]: segfault at 0 ip 0049469d sp 7276f720 error 4 in python2.7[40+2de000] Jun 9 18:38:25 tilburg-kassa kernel: [41888.700394] BUG: unable to handle kernel paging request at ff60 ... Jun 9 19:05:33 tilburg-kassa kernel: [43516.157000] traps: sshd[10982] trap invalid opcode ip:7ff469ac8d40 sp:7fffb13fe488 error:0 in pam_unix.so[7ff469ac1000+e000] Jun 9 19:33:50 tilburg-kassa kernel: [45213.343686] BUG: unable to handle kernel paging request at 2960 ... and other similar ones. How much memory do you have on this box? Please show output of: free -h cat /proc/swaps landscape-client is known to consume RAM, maybe it's triggering other problems when the system becomes starved. -- You received this bug notification because you are a member of Ubuntu Server, which is subscribed to landscape-client in Ubuntu. https://bugs.launchpad.net/bugs/1776059 Title: landscape-broker segfaults killing network connection and touchscreen driver To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/landscape-client/+bug/1776059/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs
[Bug 1776059] Re: landscape-broker segfaults killing network connection and touchscreen driver
This looks like a kernel bug: Jun 9 18:37:37 tilburg-kassa kernel: [41840.340109] landscape-broke[1217]: segfault at 0 ip 0049469d sp 7276f720 error 4 in python2.7[40+2de000] Jun 9 18:38:25 tilburg-kassa kernel: [41888.700394] BUG: unable to handle kernel paging request at ff60 ... Jun 9 19:05:33 tilburg-kassa kernel: [43516.157000] traps: sshd[10982] trap invalid opcode ip:7ff469ac8d40 sp:7fffb13fe488 error:0 in pam_unix.so[7ff469ac1000+e000] Jun 9 19:33:50 tilburg-kassa kernel: [45213.343686] BUG: unable to handle kernel paging request at 2960 ... and other similar ones. How much memory do you have on this box? Please show output of: free -h cat /proc/swaps landscape-client is known to consume RAM, maybe it's triggering other problems when the system becomes starved. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1776059 Title: landscape-broker segfaults killing network connection and touchscreen driver To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/landscape-client/+bug/1776059/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1776059] Re: landscape-broker segfaults killing network connection and touchscreen driver
Here are the requested log files including the Landscape error ** Attachment added: "kern.log and kern.log.1" https://bugs.launchpad.net/ubuntu/+source/landscape-client/+bug/1776059/+attachment/5151369/+files/KernelLogs.tar.gz -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1776059 Title: landscape-broker segfaults killing network connection and touchscreen driver To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/landscape-client/+bug/1776059/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1776059] Re: landscape-broker segfaults killing network connection and touchscreen driver
Could you please attach /var/log/kern.log and /var/log/kern.1.log from that machine? ** Changed in: landscape-client (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1776059 Title: landscape-broker segfaults killing network connection and touchscreen driver To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/landscape-client/+bug/1776059/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1776059] Re: landscape-broker segfaults killing network connection and touchscreen driver
Could you please attach /var/log/kern.log and /var/log/kern.1.log from that machine? ** Changed in: landscape-client (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Server, which is subscribed to landscape-client in Ubuntu. https://bugs.launchpad.net/bugs/1776059 Title: landscape-broker segfaults killing network connection and touchscreen driver To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/landscape-client/+bug/1776059/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs
