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Re: [PATCH] iwlwifi: do not nulify ctx->vif on reset

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On Wed, 2012-03-14 at 07:25 +0100, Stanislaw Gruszka wrote:

> > Have you seen crashes due to this? I have seen the warning in the past
> > but in some recent firmware reset testing I never ran into it again...
> 
> I have vif == NULL crashes reports on old RHEL6, that _possibly_ are
> caused by this issue, but I'm not 100% sure, RHEL6 include own vif related
> changes needed by backport.
> 
> I'm not able to reproduce vif crashes on force_reset on current
> wireless-testing, but when I transmit data and trigger a reset,
> device stops working. There are some messages [1] (20:00.0 is 6300
> adapter, but on others I tested 5300 and 100 reset does not work too).
> 
> So hw reset is completely broken at present, perhaps is time to remove
> watchdog and related infrastructure.

I wish :-)
But last I tried (after refactoring queue stop/wake), I could
successfully recover from hw restart in the middle of aggregation
sessions -- which code did you try with?

johannes

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