Created attachment 250761 [details]
dmesg output from crash

Once in a while my wifi dies, it tries to reconnect in an endless loop. Sometimes physical switch helps. Another times I need to do a system reboot.

03:00.0 Network controller: Intel Corporation Centrino Advanced-N 6205 [Taylor Peak] (rev 34)
        Subsystem: Intel Corporation Centrino Advanced-N 6205 AGN
        Flags: bus master, fast devsel, latency 0, IRQ 30
        Memory at f1c00000 (64-bit, non-prefetchable) [size=8K]
        Capabilities: [c8] Power Management version 3
        Capabilities: [d0] MSI: Enable+ Count=1/1 Maskable- 64bit+
        Capabilities: [e0] Express Endpoint, MSI 00
        Capabilities: [100] Advanced Error Reporting
        Capabilities: [140] Device Serial Number a4-4e-31-ff-ff-54-d0-1c
        Kernel driver in use: iwlwifi
        Kernel modules: iwlwifi


Little snippet:



[   10.557273] iwlwifi 0000:03:00.0: Error sending REPLY_SCAN_ABORT_CMD: time out after 2000ms.
[   10.557277] iwlwifi 0000:03:00.0: Current CMD queue read_ptr 30 write_ptr 31
[   10.557355] iwlwifi 0000:03:00.0: Loaded firmware version: 18.168.6.1
[   10.557620] iwlwifi 0000:03:00.0: Microcode SW error detected.  Restarting 0x2000000.



Rest of the relevant stuff is in attachments. One is a dmesg output from working wifi on boot, another one is from borked one.