kernel-packages team mailing list archive

[Chris J Arges <1410852@xxxxxxxxxxxxxxxxxx>]

Ok one more data point:
mainline v3.13 fails
mainline v3.14 fails

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https://bugs.launchpad.net/bugs/1410852

Title:
  restarting container with a vlan interface results in kernel stack
  trace

Status in lxc containers:
  New
Status in linux package in Ubuntu:
  Confirmed

Bug description:
  Stopping a container and starting it again results in kernel stack
  trace with a vlan interface.

  ---8<---
  lxc.network.type = vlan
  lxc.network.flags = up
  lxc.network.link = p3p1
  lxc.network.vlan.id = 2
  ---8<---

  dpkg -l | grep lxc
  ii  liblxc1                             1.0.6-0ubuntu0.1                    amd64        Linux Containers userspace tools (library)
  ii  lxc                                 1.0.6-0ubuntu0.1                    amd64        Linux Containers userspace tools
  ii  lxc-templates                       1.0.6-0ubuntu0.1                    amd64        Linux Containers userspace tools (templates)
  ii  python3-lxc                         1.0.6-0ubuntu0.1                    amd64        Linux Containers userspace tools (Python 3.x bindings)

  cat /proc/cmdline 
  BOOT_IMAGE=/boot/vmlinuz-3.13.0-44-generic root=UUID=6d1fc9aa-735c-4e61-ae1c-0a9d2587e77b ro acpi_osi=Linux acpi=force acpi_enforce_resources=lax i915.i915_enable_rc6=1 i915.i915_enable_fbc=1 i915.lvds_downclock=1 i915.semaphores=1

  
  Snipplet from stack trace:
  ---8<---
  [35188.374621] WARNING: CPU: 4 PID: 3933 at /build/buildd/linux-3.13.0/fs/sysfs/dir.c:486 sysfs_warn_dup+0x86/0xa0()
  [35188.374623] sysfs: cannot create duplicate filename '/devices/pci0000:00/0000:00:1c.3/0000:02:00.0/net/p3p1/upper_vlan2'
  ---8<---

  Is deconfiguration on stop of an lxc instance not working anymore?

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