To be precise, the container name should be unity8-lxc. Please also
show it's configuration file, and try
lxc-ls -f
lxc-start -n unity-lxc
and if that fails, then
lxc-start -n unity-lxc -F -l trace -o output
and attach the file 'output'
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https://bugs.launchpad.net/bugs/1567037
Title:
lxc-attach crashed with SIGSEGV in get_pty_on_host()
Status in lxc package in Ubuntu:
Fix Committed
Bug description:
Installed unity8-lxc, ran unity8-setup, then rebooted.
Login to unity8 lxc session failed (somehow nothing happened), then I logged
into Unity7 and the crash happened.
ProblemType: Crash
DistroRelease: Ubuntu 16.04
Package: lxc1 2.0.0~rc15-0ubuntu1
ProcVersionSignature: Ubuntu 4.4.0-17.33-generic 4.4.6
Uname: Linux 4.4.0-17-generic x86_64
ApportVersion: 2.20.1-0ubuntu1
Architecture: amd64
Date: Wed Apr 6 20:11:34 2016
ExecutablePath: /usr/bin/lxc-attach
InstallationDate: Installed on 2015-12-03 (124 days ago)
InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Alpha amd64 (20151203)
ProcCmdline: BOOT_IMAGE=/boot/vmlinuz-4.4.0-17-generic.efi.signed
root=UUID=dccfbc3c-48bc-43ed-9881-36efaa2ef6c5 ro quiet splash vt.handoff=7
SegvAnalysis:
Segfault happened at: 0x563ee5318994 <main+884>: movl $0x1,0x1c(%r14)
PC (0x563ee5318994) ok
source "$0x1" ok
destination "0x1c(%r14)" (0x0000001c) not located in a known VMA region
(needed writable region)!
SegvReason: writing NULL VMA
Signal: 11
SourcePackage: lxc
Stacktrace:
#0 0x0000563ee5318994 in main ()
No symbol table info available.
StacktraceTop: main ()
ThreadStacktrace:
.
Thread 1 (Thread 0x7fe20540f840 (LWP 2993)):
#0 0x0000563ee5318994 in main ()
No symbol table info available.
Title: lxc-attach crashed with SIGSEGV in main()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups:
defaults.conf:
lxc.network.type = veth
lxc.network.link = lxcbr0
lxc.network.flags = up
lxc.network.hwaddr = 00:16:3e:xx:xx:xx
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