Comment 13 for bug 1320070

There is some problem with the wifi.
After an hour or two of the connection falls off.

The logs found nothing interesting.
How to catch the problem?

Notebook is Lenovo B5400

$ dmesg
[ 52.943279] audit_printk_skb: 123 callbacks suppressed
[ 52.943282] type=1400 audit(1401691960.498:68): apparmor="STATUS" operation="profile_replace" profile="unconfined" name="/usr/lib/cups/backend/cups-pdf" pid=2367 comm="apparmor_parser"
[ 52.943287] type=1400 audit(1401691960.498:69): apparmor="STATUS" operation="profile_replace" profile="unconfined" name="/usr/sbin/cupsd" pid=2367 comm="apparmor_parser"
[ 52.943605] type=1400 audit(1401691960.498:70): apparmor="STATUS" operation="profile_replace" profile="unconfined" name="/usr/sbin/cupsd" pid=2367 comm="apparmor_parser"

$ cat /var/log/syslog
Jun 2 11:47:33 tp-lenovo-b5400-ubuntu NetworkManager[847]: <warn> nl_recvmsgs() error: (-33) Dump inconsistency detected, interrupted

$ uname -a
Linux tp-lenovo-b5400-ubuntu 3.13.0-29-generic #52-Ubuntu SMP Wed May 28 12:42:47 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux