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Re: kernel BUG at drivers/net/wireless/iwlwifi/iwl3945-base.c:3127!

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On Wed, Mar 4, 2009 at 2:19 PM, reinette chatre
<reinette.chatre@xxxxxxxxx> wrote:
> On Tue, 2009-03-03 at 20:32 -0800, Jason Andryuk wrote:
>> On Sun, Mar 1, 2009 at 10:37 PM, Jason Andryuk <jandryuk@xxxxxxxxx> wrote:
>> > I tested c2a0aa3cb733452e749727680e380dca6cc10a68 "iwl3945: use
>> > iwl_rb_status" with the additional patches to initialize rb_stts
>> > (copied from iwl_rx_queue_alloc) and to convert the BUG_ON to a
>> > WARN_ON.
>> >
>> > The driver runs without segfaulting.  So far the WARN_ON has not been
>> > triggered, but the driver fails to finish authentication with the AP.
>> > I receive "wlan0: authentication with AP 00:30:bd:c0:90:24 timed out"
>>
>> Ok, I started poking around with manually checking interesting commits instead of git bisect.
>>
>> 55b3e21... iwl3945: use iwl-io.h and delete iwl-3945-io.h with BUG->WARN patch works.
>>
>> bb64785... iwlwifi: use iwl_cmd instead of iwl3945_cmd
>> fails to authenticate to the AP.  It generates a Microcode SW Error attached below.
>>
>> The previous revision:
>> a0dedce... iwlwifi: replace IWL_ERROR with IWL_ERR
>> Authenticates to the AP and works just fine.
>>
>> I keep looking over commitdiff bb64785... but I cannot see what is causing problems.  I even tried modifying iwl3945_cmd in various ways from a0dedce... but those attempts kept working.
>>
>> During testing, I saw a lot of UNKNOWN 0x1b
>> [ 8892.625374] ieee80211 phy0: I iwl3945_rx_handle r = 162, i = 160, UNKNOWN, 0x1b
>> Currently in the logs for commit a0dedce... it shows up as REPLY_3945_RX.
>>
>> Any ideas?
>
> Thank you very much for this digging.
>
> Are you running on 64bit?

Yes, 64bit.

Jason
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