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(-)
James
On Tue, 2007-09-25 at 12:55 -0500, James Bottomley wrote:
> 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 <[email protected]>
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 <[email protected]>
Signed-off-by: James Bottomley <[email protected]>
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