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    SubjectRe: [ipw3945-devel] hang on 2.6.33-rc4
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    On Sat, 2010-01-16 at 10:30 -0800, Norbert Preining wrote:
    > On Fr, 15 Jan 2010, reinette chatre wrote:
    > > > kernel 2.6.33-rc4
    > > >
    > > > I am having repeatable complete hard lockups on my laptop with 2.6.33-rc4.
    > > > 2.6.32.3 works fine.
    > > >
    > > > I believe that it is related to the network, because sometimes I can
    > > > actually log in (gnomes session) and as soon as I do some network
    > > > related suddenly hard hang, not even Sysrq working anymore.
    > > >
    > > > Interestingly it only happens at a specific AP where the ESSID is
    > > > hidden (at work). At home I can work without any problems (ESSID not
    > > > hidden).
    > > >
    > > > Unfortunately I cannot set up a serial console or similar.
    > >
    > > Does that mean no netconsole either? Does anything show up in the logs?
    > > Is it easy to reproduce? If so, perhaps you can have increased debug at
    > > that time and hopefully something will be captured in the logs when the
    > > problem occurs.
    >
    > Before I can test this on monday, something else, I just got BUG_ON:
    > Jan 17 03:28:58 mithrandir kernel: [34535.207253] iwlagn 0000:06:00.0: iwl_tx_agg_start on ra = 00:0a:79:eb:56:10 tid = 0
    > Jan 17 03:28:58 mithrandir kernel: [34535.331218] iwlagn 0000:06:00.0: BUG_ON idx doesn't match seq control idx=139, seq_idx=3435, seq=54960
    > Jan 17 03:28:58 mithrandir kernel: [34535.331275] iwlagn 0000:06:00.0: Received BA when not expected
    > Jan 17 03:28:58 mithrandir kernel: [34535.331816] iwlagn 0000:06:00.0: BUG_ON idx doesn't match seq control idx=146, seq_idx=3442, seq=55072
    > Jan 17 03:28:58 mithrandir kernel: [34535.331915] iwlagn 0000:06:00.0: Received BA when not expected
    > Jan 17 03:28:58 mithrandir kernel: [34535.332419] iwlagn 0000:06:00.0: BUG_ON idx doesn't match seq control idx=170, seq_idx=3466, seq=55456
    >
    > Actually many many many of these lines.
    >

    What you are seeing here is currently being looked into at
    http://bugzilla.intellinuxwireless.org/show_bug.cgi?id=2098 - could you
    please add your information there?

    Reinette




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