It seems Jan Srzednicki wrote:
> First of all, the drive still does not get detected properly. Funny
> thing is that after some playing with atacontrol attach/detach, it
> finally gets detected. And later on, it is normally detected, before.
> Same scenario happened like 3 times with ATAng and newer and newer
> kernels. I don't know whether some device hints or anything are just
> updated; yet, I didn't have _any_ drive detection problems with ATAold.
>
> The problem is with the second drive. There's still some randomness in
> it, as it gets undetected from time to time.
Try the below patch and let me know if that changes anything..
Index: ata-lowlevel.c
===================================================================
RCS file: /home/ncvs/src/sys/dev/ata/ata-lowlevel.c,v
retrieving revision 1.13
diff -u -r1.13 ata-lowlevel.c
--- ata-lowlevel.c 16 Sep 2003 15:21:37 -0000 1.13
+++ ata-lowlevel.c 18 Sep 2003 07:55:10 -0000
@@ -551,11 +551,8 @@
ch->devices |= ATA_ATA_MASTER;
}
}
- else if (err == lsb && err == msb) {
- ATA_IDX_OUTB(ch, ATA_ERROR, 0xff);
- DELAY(10);
- if (stat0 == ATA_IDX_INB(ch, ATA_STATUS))
- stat0 |= ATA_S_BUSY;
+ else if ((stat0 & 0x4f) && err == lsb && err == msb) {
+ stat0 |= ATA_S_BUSY;
}
}
}
@@ -579,11 +576,8 @@
ch->devices |= ATA_ATA_SLAVE;
}
}
- else if (err == lsb && err == msb) {
- ATA_IDX_OUTB(ch, ATA_ERROR, 0xff);
- DELAY(10);
- if (stat1 == ATA_IDX_INB(ch, ATA_STATUS))
- stat1 |= ATA_S_BUSY;
+ else if ((stat1 & 0x4f) && err == lsb && err == msb) {
+ stat1 |= ATA_S_BUSY;
}
}
}
-Søren
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