Red Hat Bugzilla – Bug 1020989
Bogus error messages: "No network connection available..."
Last modified: 2015-02-17 12:44:07 EST
Created attachment 813852 [details]
the output of dmesg, dmesg.out.gz
Description of problem:
Every 1-5 minutes (random) I get a box on the screen with this error message:
"No network connection available
cannot refresh cache when offline"
This is despite the fact that both my internal and extrnal network connections are up and actively in use. I have no trouble pinging, telneting, rlogin'ing, ssh'ing, rcp'ing, etc. either internally (192.168.1 network) or externally through my ISP.
My external connection is through att.net, and no parameters have changed on that setup for over a year - and if I reboot the system and go back to my FC17 installation, the messages do not occur.
> FWIW, my son tried a browser which he wrote for a class project (2nd year CS major in college) and it works if I boot it under FC17 but if I go back to FC19, it says there's no network connection just like Thunderbird.
> ALSO: Swapping the two networks between the 2 cards does not change the results at all.
Version-Release number of selected component (if applicable):
-- kernel - (any FC19 kernel - take your pick from kernel-3.9.5-301.fc19.x86_64 through kernel-3.11.4-201.fc19.x86_64 -- no change in messges.
(the following are a guess as to which might be relevant here)
Reboot the system - it will start a couple of minutes after the initial login prompt appears and the user (root usually) logs in.
Steps to Reproduce:
1.Reboot the machine
3.(the messages will start in a couple of minutes.
The messages start coming and Thunderbird will not allow anyone to send email.
(kmail, mail, Mail, balsa, and other mail tools do not have any problem doing so.)
No bogus network messages and Thunderbird can be used to send email.
AMD Phenom II procwessor (7 cores), 8 GB main memor, 64 GB swap space, 7+TB disk space.
Network cards (from lspci):
04:00.0 Ethernet controller: D-Link System Inc DGE-560T PCI Express Gigabit Ethernet Adapter (rev 13) // on the MB
05:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 03) // PCIE card
Motherboard: Gigabyte Technology Co., Ltd. GA-890XA-UD3/GA-890XA-UD3, BIOS FC 08/02/2010
I am adding an attachment - the output of dmesg, dmesg.out.gz
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