[Bug 65031] New: iwlwif driver crahes while connecting from wifi display source

[Bug 65031] New: iwlwif driver crahes while connecting from wifi display source

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=65031

            Bug ID: 65031
           Summary: iwlwif driver crahes while connecting from wifi
                    display source
           Product: Backports project
           Version: unspecified
    Kernel Version: 3.5.0.17-generic kernel
          Hardware: i386
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: high
          Priority: P1
         Component: Backports
          Assignee: backports@vger.kernel.org
          Reporter: vaisakh.n@allgosystems.com
        Regression: No

Created attachment 114831
  --> https://bugzilla.kernel.org/attachment.cgi?id=114831&action=edit
dmesg with crash lo9g

Hi, 
iwlwif Wifi driver is crashing while connecting to it from phone via wifi
direct.

My platform details follows
Kernel : 3.5.0.17-generic kernel
Wifi Chip :  INTEL  Centrino Advanced 6235 AGN,REV=0xB  
OS: ubuntu  12.10  (32bit)
iwlwifi driver :  backports-3.11.6-1 . ( p2p enabled )
Wpa supplicant :2.0-devel-3.4.0.171
Wifi Firmware loaded : 18.168.6.1

Full dmesg log attached with this bug

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[Bug 65031] iwlwif driver crahes while connecting from wifi display source

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=65031

Vaisakh <vaisakh.n@allgosystems.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
 Attachment #114831|dmesg with crash lo9g       |dmesg with crash log
        description|                            |

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[Bug 65031] iwlwif driver crahes while connecting from wifi display source

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=65031

Johannes Berg <johannes@sipsolutions.net> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
                 CC|                            |ilw@linux.intel.com
         Resolution|---                         |WILL_NOT_FIX

--- Comment #1 from Johannes Berg <johannes@sipsolutions.net> ---
The P2P support in iwlwifi/dvm is known buggy, we've decided to remove it
instead of attempting to fix it -- too many firmware issues. This particular
issue looks like a mac80211 or driver issue though.

If you wanted to debug this, then the first thing to do is probably to get
tracing data

 sudo trace-cmd record -e iwlwifi -e mac80211

and check which scan/roc overlaps.

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[Bug 65031] iwlwif driver crahes while connecting from wifi display source

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=65031

Johannes Berg <johannes@sipsolutions.net> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |CLOSED

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