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scsi freezing problem with NetBSD current


I had scsi freezing problem that has been discussed earlier here with NetBSD 4
running on Atari Falcon. I decided to try NetBSD current and it had
same problem.

It seems that scsi freezing happens because ncr5380 driver sets XS_STS_DONE
before calling scsipi_done(). Since 1.135 revision of scsipi_base.c,
bails out early if XS_STS_DONE is set.

Here is description why that check is implemented:

Leaving XS_STS_DONE out cures scsi freezing problem with my Falcon.
I tested this with NetBSD current (ncr5380.c,v 1.55).

Another issue is that I have to use loadbsd.ttp with -s option with CT63
accelerated Falcon to disable TT-ram, otherwise my scsi drive is recognized
to have just one sector with total capacity of 512K. Any ideas why
this happens ?

--- /usr/src.0/sys/arch/atari/dev/ncr5380.c     2007-03-06
16:07:15.000000000 +0200
+++ /usr/src/sys/arch/atari/dev/ncr5380.c       2008-10-25
03:00:24.000000000 +0300
@@ -162,7 +162,9 @@
        free_head  = reqp;

+#if 0
        xs->xs_status |= XS_STS_DONE;
        if (!(reqp->dr_flag & DRIVER_LINKCHK))


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