[Bugme-new] [Bug 20812] New: iwlagn reports "Microcode SW error detected" on WPA2 access point

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=20812

           Summary: iwlagn reports "Microcode SW error detected" on WPA2
                    access point
           Product: Drivers
           Version: 2.5
    Kernel Version: 2.6.36-rc7
          Platform: All
        OS/Version: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: network-wireless
        AssignedTo: drivers_network-wireless at kernel-bugs.osdl.org
        ReportedBy: sarah.a.sharp at linux.intel.com
        Regression: Yes


I've upgraded my machine to 2.6.35-rc7, and now my Intel Corporation
PRO/Wireless 5100 AGN won't connect to my home access point (secured with
WPA2).  The dmesg shows a lot of output from the iwlagn driver, and then
"Microcode SW error detected."  The same hardware and kernel combo successfully
connected to open access points yesterday.

I tried unloading and reloading the driver, but it still wouldn't connect
(although there were less errors).

dmesg and lspci are attached.  I'll try upgrading to 2.6.36-rc8 and see if that
fixes my issues.

I'm not sure exactly which kernel version did work.  I was running 2.6.35 for a
long time, and that worked fine.  I've been running 2.6.36-rc5 for a while, but
I can't remember if I've tried to connect to my home wireless on that kernel. 
I'll try to bisect it if upgrading to 2.6.36-rc8 doesn't work.

System is a Lenovo x200s laptop, if that makes a difference.

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