Alan Stern <[EMAIL PROTECTED]> writes:
> Based on the kernel log you posted earlier, it looks like your problem may
> stem from the use of a START-STOP command. The patch below removes that
> command; it's a backport from 2.5. Try installing this and let us know if
> it helps.
Indeed it does! Things seem to work fine with your patch.
> --- linux-2.4.21/drivers/scsi/sd.c.orig Mon Mar 31 16:27:31 2003
> +++ linux-2.4.21/drivers/scsi/sd.c Mon Mar 31 16:56:20 2003
> @@ -731,15 +731,17 @@
> * check_disk_change */
> }
>
> - /* Using Start/Stop enables differentiation between drive with
> + /*
> + * Using TEST_UNIT_READY enables differentiation between drive with
> * no cartridge loaded - NOT READY, drive with changed cartridge -
> * UNIT ATTENTION, or with same cartridge - GOOD STATUS.
> - * This also handles drives that auto spin down. eg iomega jaz 1GB
> - * as this will spin up the drive.
> + *
> + * Drives that auto spin down. eg iomega jaz 1G, will be started
> + * by sd_init_onedisk(), whenever revalidate_scsidisk() is called.
> */
> retval = -ENODEV;
> if (scsi_block_when_processing_errors(SDev))
> - retval = scsi_ioctl(SDev, SCSI_IOCTL_START_UNIT, NULL);
> + retval = scsi_ioctl(SDev, SCSI_IOCTL_TEST_UNIT_READY, NULL);
>
> if (retval) { /* Unable to test, unit probably not ready.
> * This usually means there is no disc in the
>
>
>
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