On Tue, 2007-09-25 at 12:55 -0500, James Bottomley wrote:
quoted text
> This is, unfortunately, not a recent regression but it's only been
> recently diagnosed.  Apparently the SCSI Parallel transport class domain
> validation cable width detection wasn't working, leading to cases where
> controllers with damaged cables would end up hanging the system (the
> reported one was an aic79xx controller, but the potential is there for
> all SPI based systems).  This bug would *only* affect systems whose
> cable integrity or connectors were compromised, so it isn't life
> threatening to every SCSI Parallel installation, but the consequence of
> running into it is a system hang.
> 
> The fix is available here:
> 
> master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6.git
> 
> The short changelog is:
> 
> James Bottomley (1):
>       scsi_transport_spi: fix domain validation failure from incorrect
> width setting
> 
> And the diffstat:
> 
>  scsi_transport_spi.c |   28 ++++++++++++++++++++++------
>  1 file changed, 22 insertions(+), 6 deletions(-)

We've had another late arriving bug fix:

commit ff4abd6cfacf0bb23a077f615d3a5cd17359db1b
Author: David Miller <davem@davemloft.net>
Date:   Fri Aug 24 22:25:58 2007 -0700

    [SCSI] esp: fix instance numbering.
    
    Because the ->unique_id is set too late, the ESP scsi host
    instance numbers in the kernel log during probing are
    wrong.
    
    Bug reported by Meelis Roos.
    
    Signed-off-by: David S. Miller <davem@davemloft.net>
    Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

Which I've added.  The diffstat is now:

 esp_scsi.c           |    3 ++-
 scsi_transport_spi.c |   28 ++++++++++++++++++++++------
 2 files changed, 24 insertions(+), 7 deletions(-)

James


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