From owner-aic7xxx@FreeBSD.ORG  Wed Jul  9 19:38:41 2003
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Date: Wed, 09 Jul 2003 19:38:38 -0700
From: Prasanna Meda <pmeda@akamai.com>
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To: "Justin T. Gibbs" <gibbs@scsiguy.com>
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Subject: Re: Safety panics during boot time
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"Justin T. Gibbs" wrote:

> > Hi All,
> >
> >    I am facing random panics on my IBM netfinity machines
> >    during boot time. I attached a sample card dump here.
> >    If it boots, then I do not see anymore problems.
> >
> >    Can you please tell me what is the problem  here?
> >    Is there a fix for  this problem, without upgrading
> >    to latest 2.4.21 driver?  I am using linux 2.4.19.
>
> You need to update to a later driver.  Source, driver update
> diskettes, and RPMs are available here:

Thankyou, I did not see any problems afterwards, but we are
still testing to conclude they are gone.


>
>
> http://people.FreeBSD.org/~gibbs/linux/SRC/
> http://people.FreeBSD.org/~gibbs/linux/DUD/aic7xxx/
> http://people.FreeBSD.org/~gibbs/linux/RPM/aic7xxx/
>
> >    NO_FREE_SCB macro is 0xd1 in new driver, the same
> >    value was used by MSGIN_PHASEMISS long back in
> >    linux  2.2.  Curious to see,  I changed panic to a printf(as
> >    it says panic  for safety),  then it panics again with invalid
> >    scb error.
> >
> >    What are the safety panics?
>
> The panic is there to prevent data corruption - in otherwords, to
> guarantee the saftey of your data by stopping the system when
> the controller is in an unexpected state.

Ok,    it is odd to see NO_FREE_SCBS, when only 2 out of 32 are
used!

Thanks,
MLPKR.