On Sat, Jun 20, 2015 at 9:33 PM, Blue Glacier [off-list ref] wrote:

Hello,

my Intel Wireless 7265 chip suddenly stopped working. The Network Manager
shows that I am connected, but I cannot even ping to my home router. I
didn't change anything on my system.

What is your AP? Can you reproduce consistently? If you disable WiFi
and re-enable WiFi from the Network Manager, does it help?

The output of dmesg looks interesting:

[  507.737606] wlan0: Connection to AP c0:25:06:ce:d2:e9 lost
[  507.806070] cfg80211: Calling CRDA for country: DE
[  508.379770] cfg80211: Calling CRDA for country: DE
[  511.332818] wlan0: authenticate with c0:25:06:ce:d2:e9
[  511.338625] wlan0: send auth to c0:25:06:ce:d2:e9 (try 1/3)
[  511.341600] wlan0: authenticated
[  511.343813] wlan0: associate with c0:25:06:ce:d2:e9 (try 1/3)
[  511.350128] wlan0: RX AssocResp from c0:25:06:ce:d2:e9 (capab=0x431
status=0 aid=8)
[  511.353700] wlan0: associated
[  511.645582] iwlwifi 0000:03:00.0: No association and the time event is
over already...
[  511.645642] wlan0: Connection to AP c0:25:06:ce:d2:e9 lost
[  511.688174] cfg80211: Calling CRDA to update world regulatory domain

(repeated numerous times)

I am using Debian 8 Jessie (stable) together with the firmware from your
server (iwlwifi-7265-9.ucode). The Kernel Version is 3.16.0-4-amd64.

Can you try a more recent kernel with a more recent firmware?
You can check https://wireless.wiki.kernel.org/en/users/drivers/iwlwifi/core_release
if you want to update your driver without changing your kernel.

Any idea how to fix this?

Jens
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