It was suggested on askubuntu (where the original poster first asked the
question) that the issue has to do with the power management kicking
in. I have disabled it and will report on whether this is ongoing or it
was solved.
output of sudo lspci -v for the Wireless NIC:
01:00.0 Network controller: Intel Corporation Wireless 7260 (rev 6b)
Subsystem: Intel Corporation Dual Band Wireless-N 7260
Flags: bus master, fast devsel, latency 0, IRQ 61
Memory at f7e00000 (64-bit, non-prefetchable) [size=8K]
Capabilities: [c8] Power Management version 3
Capabilities: [d0] MSI: Enable+ Count=1/1 Maskable- 64bit+
Capabilities: [40] Express Endpoint, MSI 00
Capabilities: [100] Advanced Error Reporting
Capabilities: [140] Device Serial Number 5c-51-4f-ff-ff-38-d4-d4
Capabilities: [14c] Latency Tolerance Reporting
Capabilities: [154] Vendor Specific Information: ID=cafe Rev=1 Len=014
<?>
Kernel driver in use: iwlwifi
I am running Ubuntu 14.04.
P.S. With me, reboot is not necessary when this happens. Right click on
network manager, disable WiFi, wait 3 seconds, then re-enable WiFi and
the connection works again.
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https://bugs.launchpad.net/bugs/1309385
Title:
ubuntu 14.04 wi-fi disconnection many time per hour
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