On Sat, 2005-07-02 at 16:42 +0100, Tony Vroon wrote:
> target0:0:0: asynchronous
> Vendor: FUJITSU Model: MAP3367NP Rev: 0106
> Type: Direct-Access ANSI SCSI revision: 03
> scsi0:A:0:0: Tagged Queuing enabled. Depth 32
> target0:0:0: Beginning Domain Validation
> target0:0:0: wide asynchronous
> (scsi0:A:0): refuses tagged commands. Performing non-tagged I/O
> target0:0:0: asynchronous
> [The PC hangs at this point]
Well, my best guess is that this is a double bug. I think the
aic7xxx_core is processing the reject wrongly and the device is
rejecting a QAS or IU negotiation attempt.
So, see if the attached patch helps.
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
@@ -787,7 +787,8 @@ spi_dv_device_internal(struct scsi_devic
}
/* test width */
- if (i->f->set_width && spi_max_width(starget) && sdev->wdtr) {
+ if (i->f->set_width && spi_max_width(starget) &&
+ scsi_device_wide(sdev)) {
i->f->set_width(starget, 1);
if (spi_dv_device_compare_inquiry(sdev, buffer,
@@ -803,14 +804,14 @@ spi_dv_device_internal(struct scsi_devic
return;
/* device can't handle synchronous */
- if (!sdev->ppr && !sdev->sdtr)
+ if (!scsi_device_sync(sdev) && !scsi_device_dt(sdev))
return;
/* see if the device has an echo buffer. If it does we can
* do the SPI pattern write tests */
len = 0;
- if (sdev->ppr)
+ if (scsi_device_dt(sdev))
len = spi_dv_device_get_echo_buffer(sdev, buffer);
retry:
@@ -820,9 +821,11 @@ spi_dv_device_internal(struct scsi_devic
DV_SET(period, spi_min_period(starget));
/* try QAS requests; this should be harmless to set if the
* target supports it */
- DV_SET(qas, 1);
+ if (scsi_device_qas(sdev))
+ DV_SET(qas, 1);
/* Also try IU transfers */
- DV_SET(iu, 1);
+ if (scsi_device_ius(sdev))
+ DV_SET(iu, 1);
if (spi_min_period(starget) < 9) {
/* This u320 (or u640). Ignore the coupled parameters
* like DT and IU, but set the optional ones */
-
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