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Date:      Mon, 24 Jul 2000 12:48:40 -0600
From:      "Justin T. Gibbs" <gibbs@plutotech.com>
To:        "NandaKumar P.K." <p_k_nandan@yahoo.com>
Cc:        scsi@FreeBSD.org
Subject:   Re: System panic with new HBA driver
Message-ID:  <200007241847.MAA17284@pluto.plutotech.com>

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In article <20000629120911.22792.qmail@web1904.mail.yahoo.com> you wrote:
> Hi,
> 
> I am in the process of testing all the error
> conditions of my FreeBSD 3.4 driver for the HBA. I
> have 4 partitions on the Fibre Channel disk and a copy
> is done  from one partition to other. Now if remove
> the disk when this is going on the firmware reports
> timeout error and i report back the CAM_CMD_TIMEOUT
> status. Now after sometime system comes with a sync
> cache command and i report the same status
> CAM_CMD_TIMEOUT for this command also. After this
> system panic. Is there any way to avoid this condition
> ? Since the disks are hot swapable this may be
> condition i can expect in the real situation.

If a device goes completely away, you should return
CAM_SEL_TIMEOUT.  That doesn't explain the panic in
the sync cache code.  Have you bothered to debug
why the system panics?

--
Justin


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