Date: Sat, 07 Oct 1995 20:22:59 -0500 From: Jim Rowan <jmr@computing.com> To: freebsd-scsi@freebsd.org Subject: aha0: Bus dropped at unexpected time Message-ID: <199510080123.UAA00562@zee.computing.com>
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I've got a disk here that I can't get to work with my controller;
almost anytime I access it I get this "bus dropped" message. Is there
something I can tweak to make it work? It does work a little bit; I can get
to the mode pages on the disk, was able to format it, (and with *lots* of
repetitions, fdisk and disklabel it), etc.
disk: IBM 0663W2H
controller: aha1540B (an old one!)
I'm running current from 10/5 or so... Although it acted the same
with the 7/28 snap...
(There are actually two of these in the system; they both behave the same.
The other disk in here, ST41600N, has been working just fine for a long
time.)
About two thirds of the time I get "Bus dropped at unexpected time" during
the probe; this one happened to work... The geometry reported is correct.
Is this related to my antique aha1540?
FreeBSD 2.2-CURRENT #0: Fri Oct 6 21:30:27 CDT 1995
root@zee.computing.com:/usr/src/sys/compile/zee
CPU: Cy486DLC (486-class CPU)
Origin = "Cyrix"
real memory = 16777216 (16384K bytes)
avail memory = 15224832 (14868K bytes)
BIOS Geometries:
0:03fe3f20 0..1022=1023 cyl, 0..63=64 heads, 1..32=32 sects
0 accounted for
Probing for devices on the ISA bus:
sc0 at 0x60-0x6f irq 1 on motherboard
sc0: VGA color <16 virtual consoles, flags=0x0>
sio0 at 0x3f8-0x3ff irq 4 on isa
sio0: type 16450
sio1 at 0x2f8-0x2ff irq 3 on isa
sio1: type 16450
sio2 not found at 0x3e8
sio3 not found at 0x2e8
lpt0 at 0x378-0x37f irq 7 on isa
lpt0: Interrupt-driven port
lp0: TCP/IP capable interface
lpt1 not found at 0xffffffff
lpt2 not found at 0xffffffff
fdc0 at 0x3f0-0x3f7 irq 6 drq 2 on isa
fdc0: NEC 765
fd0: 1.44MB 3.5in
fd1: 1.2MB 5.25in
aha0: Rev 41 (AHA-154x[AB]) V0.5, enabling residuals, target ops
aha0: reading board settings, dma=5 int=11 id=7 (bus speed defaulted)
aha0 at 0x330-0x333 irq 11 drq 5 on isa
aha0 waiting for scsi devices to settle
(aha0:0:0): "IBM ST41600N 11?" type 0 fixed SCSI 2
sd0(aha0:0:0): Direct-Access 1307MB (2676846 512 byte sectors)
sd0(aha0:0:0): with 2099 cyls, 17 heads, and an average 75 sectors/track
(aha0:2:0): "TEAC CD-ROM CD-50 1.06" type 5 removable SCSI 2
cd0(aha0:2:0): CD-ROM
cd0(aha0:2:0): ILLEGAL REQUEST asc:26,0 Invalid field in parameter list
can't get the size
(aha0:5:0): "IBM 0663W2H e g" type 0 fixed SCSI 2
sd1(aha0:5:0): Direct-Access 1150MB (2356180 512 byte sectors)
sd1(aha0:5:0): with 2463 cyls, 15 heads, and an average 63 sectors/track
(aha0:6:0): "IBM 0663W2H e g" type 0 fixed SCSI 2
sd2(aha0:6:0): Direct-Access 1150MB (2356180 512 byte sectors)
sd2(aha0:6:0): with 2463 cyls, 15 heads, and an average 63 sectors/track
npx0 at 0xf0-0xff irq 13 on motherboard
sd0s1: type 0x6, start 32, end = 511999, size 511968 : OK
sd0s2: type 0xa5, start 512000, end = 2676735, size 2164736 : OK
aha0: Bus dropped at unexpected time
Thanks,
Jim Rowan
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