Date: Thu, 20 Mar 1997 21:31:56 -0500 (EST) From: Thomas David Rivers <ponds!rivers@dg-rtp.dg.com> To: ponds!freebsd.org!freebsd-hackers Subject: Some not-too-good news about aha2940 and 2.1.7.1-RELEASE Message-ID: <199703210231.VAA00238@lakes.water.net>
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I anxiously got a 2.1.7.1-RELEASE kernel built (by
grabbing the sys sources and doing a config/make) to
test out the aha2940 improvements.
Unfortunately; on my two particular problems, things
actually got worse.
My "write to the SCSI tape" (recall, this is a wangtek
5150ES - and when I get to the end of the write and
the tape is rewinding, I run into trouble) - actually
locked up the entire SCSI bus. 2.1.7 only locked up
the one process. My only recourse was to reboot. The
machine would answer PINGs, but you couldn't telnet
or rlogin because there was no disk access. I imagine
the first swap would have panic'd. Here's the messages
from the console window (which I happened to have up
at the time):
sd0(ahc0:0:0): SCB 0x0 - timed out in command phase, SCSISIGI == 0x84
SEQADDR == 0x42
st0(ahc0:2:0): abort message in message buffer
sd0(ahc0:0:0): SCB 0x1 timedout while recovery in progress
Now; as to the second problem. Recall that I did not set up
a narrow negotiation for my second SCSI drive (an older micropolis
drive.) This worked fine for 2.1.6.1. However, with 2.1.7,
I have to disable (in the Adaptec BIOS utilities) WIDE negotiation
on this drive or FreeBSD doesn't see it (an aborted command
is all the probe prints.) Again; this is new with 2.1.7.xxx
For info - I've appended the front part of the probe (as taken from dmesg).
So - it looks like things got worse for my particular situation
in 2.1.7.1....
- Dave Rivers -
FreeBSD 2.1.7.1-RELEASE #0: Thu Mar 20 20:22:54 EST 1997
rivers@lakes.water.net:/usr/src/sys-2.1.7.1/compile/LAKES
CPU: 133-MHz Pentium 735\\90 or 815\\100 (Pentium-class CPU)
Origin = "GenuineIntel" Id = 0x52c Stepping=12
Features=0x1bf<FPU,VME,DE,PSE,TSC,MSR,MCE,CX8>
real memory = 33554432 (32768K bytes)
avail memory = 30457856 (29744K bytes)
Probing for devices on PCI bus 0:
chip0 <generic PCI bridge (vendor=%04x device=%04x subclass=%1.2d)> rev 1 on pci0:0
chip1 <Intel 82371SB PCI-ISA bridge> rev 1 on pci0:7:0
chip2 <Intel 82371SB IDE interface> rev 0 on pci0:7:1
ahc0 <Adaptec 2940 Ultra SCSI host adapter> rev 0 int a irq 15 on pci0:17
ahc0: aic7880 Wide Channel, SCSI Id=7, 16 SCBs
ahc0 waiting for scsi devices to settle
(ahc0:0:0): "HP C3323-300 4242" type 0 fixed SCSI 2
sd0(ahc0:0:0): Direct-Access 1003MB (2056008 512 byte sectors)
(ahc0:1:0): "MICROP 1548-15MZ1077802 HZ2P" type 0 fixed SCSI 1
sd1(ahc0:1:0): Direct-Access 1635MB (3349512 512 byte sectors)
(ahc0:2:0): "WANGTEK 5150ES SCSI FA23 08" type 1 removable SCSI 1
st0(ahc0:2:0): Sequential-Access drive offline
(ahc0:3:0): "NEC CD-ROM DRIVE:400 1.0" type 5 removable SCSI 2
cd0(ahc0:3:0): CD-ROM cd present.[217422 x 2048 byte records]
vga0 <VGA-compatible display device> rev 211 int a irq 11 on pci0:20
Probing for devices on the ISA bus:
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