System running 12.10 also experiencing the microcode error, resulting in
drop outs, high packet loss and routing issues.
$ lspci -v
04:00.0 Network controller: Intel Corporation WiFi Link 5100
Subsystem: Intel Corporation WiFi Link 5100 AGN
Flags: bus master, fast devsel, latency 0, IRQ 44
Memory at d0400000 (64-bit, non-prefetchable) [size=8K]
Capabilities: <access denied>
Kernel driver in use: iwlwifi
Kernel modules: iwlwifi
$uname -a
Linux guy-ThinkPad-X100e 3.5.0-17-generic #28-Ubuntu SMP Tue Oct 9 19:31:23 UTC
2012 x86_64 x86_64 x86_64 GNU/Linux
I can confirm disabling 11n option gives me a rock solid connection:
$ sudo su
$ echo 'options iwlwifi 11n_disable=1' >> /etc/modprobe.d/iwlwifi.conf
$ rmmod iwlwifi
$ modprobe iwlwifi
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https://bugs.launchpad.net/bugs/944271
Title:
iwlwifi: Microcode SW error detected. Restarting 0x2000000
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