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Date:      Mon, 21 Feb 2005 21:37:54 -0800 (PST)
From:      Frank Mayhar <frank@exit.com>
To:        Sam Leffler <sam@errno.com>
Cc:        current@freebsd.org
Subject:   Re: Hard hangs running 6-current.
Message-ID:  <200502220537.j1M5bsB3057019@realtime.exit.com>
In-Reply-To: <421ABB04.3030301@errno.com>

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Sam Leffler wrote:
> Other than a busted card the only thing I can think of is you're getting 
> an interrupt storm from the MIB counters.  If so try disabling 
> HAL_INT_MIB in the driver.  The easiest way to do that is probably to 
> force sc_needmib to 0 in ath_attach by disabling the following code:
> 
>          /*
>           * Check if the device has hardware counters for PHY
>           * errors.  If so we need to enable the MIB interrupt
>           * so we can act on stat triggers.
>           */
>          if (ath_hal_hwphycounters(ah))
>                  sc->sc_needmib = 1;
> 
> If your problem does not go away then I can only suggest trying another 
> card.  FWIW I haven't seen this.

Sigh.  Okay, thanks, Sam.  I was afraid it might be hardware, although I
have no idea how the card could have become busted.

I do have another card lying around, not an Atheros, but I'll drop it in
and see if that changes things.  First, though, I'll try your hack.
-- 
Frank Mayhar frank@exit.com	http://www.exit.com/
Exit Consulting                 http://www.gpsclock.com/
                                http://www.exit.com/blog/frank/



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