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 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1320070 Title: Realtek Wifi card RTL8723BE drops connection with MSI enabled To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1320070/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
