On Sun, 2005-11-13 at 12:41 -0500, Doug Ledford wrote:
> If the drive is unaccessible after the DV failure, even on a warm reboot
> (which includes a SCSI bus reset), then the drive is flat hung.
> Something done in the current code is breaking it. Can you get a boot
> with DV turned off and capture the log messages and post them here
> please? You already said it didn't help with the problem, but I'd like
> to see the failure scenario with it off, that might help determine the
> true root cause of the issue.
Yes, you're right ... the sequencer code seems to identify the
WRITE_BUFFER as the failing command. Can you try with the attached
patch, which will force DV to ignore the echo buffer write tests?
Thanks,
James
diff --git a/drivers/scsi/scsi_transport_spi.c
b/drivers/scsi/scsi_transport_spi.c
--- a/drivers/scsi/scsi_transport_spi.c
+++ b/drivers/scsi/scsi_transport_spi.c
@@ -816,8 +816,10 @@ spi_dv_device_internal(struct scsi_devic
* do the SPI pattern write tests */
len = 0;
+#if 0
if (scsi_device_dt(sdev))
len = spi_dv_device_get_echo_buffer(sdev, buffer);
+#endif
retry:
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