From: Derick Siddoway (derickpanther.bitflood.net)
Date: Tue Jul 01 2003 - 22:48:47 CDT

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Hi. I've just installed the Jun28 snapshot on this leftover computer in
our office. It has had previous versions of OpenBSD on it, and it
always seemed a little wonky, but today I'm trying to get it set up as
a desktop box instead of a server, and I'm noticing the wonkiness
close-up and in person.

I'll describe the issue and then the dmesg will follow.

On the console, when I log in, I get a few second wait between the
time that I type my username and the time where the 'password' prompt
appears. Then, after typing in my password, I get a few more seconds
after the motd is displayed before I get a prompt.
If I log in again on another virtual console after logging in on the
first, everything is quick, as on my other machines. Sometimes just
a shell command will pause for a few seconds before executing, but
subsequent calls do not do this. My hypothesis is that the stuff
that's already in memory or at least buffered doesn't pause, but
loading stuff into memory from disk is very slow.

At first, I thought that it might be filesystem-related, so I bumped
up the filesystem buffer cache to 30 and tripled the kern.maxvnodes,
which initially seemed to help, but later proved to be just placebo.

I was later installing the redhat stuff (to get Opera, of course),
and the pkg_add for redhat_base-8.0 hung for about 30 minutes. I
had top running in another xterm, and noticed that was in a wait
state, waiting on a 'getblk'. So it seems that it might be disk-
related after all.

Anyway, this isn't a bad machine, overall, if I could just figure
out what sort of things it's doing with the disk.

dmesg:

derickvalinor:~$ dmesg
OpenBSD 3.3-current (GENERIC) #80: Sat Jun 28 14:41:53 MDT 2003
    deraadti386.openbsd.org:/usr/src/sys/arch/i386/compile/GENERIC
cpu0: Intel Pentium III (Coppermine) ("GenuineIntel" 686-class) 598 MHz
cpu0: FPU,V86,DE,PSE,TSC,MSR,PAE,MCE,CX8,SYS,MTRR,PGE,MCA,CMOV,PAT,PSE36,MMX,FXSR,SIMD
real mem = 132423680 (129320K)
avail mem = 82780160 (80840K)
using 4278 buffers containing 40353792 bytes (39408K) of memory
mainbus0 (root)
bios0 at mainbus0: AT/286+(00) BIOS, date 01/28/00, BIOS32 rev. 0 0xffe90
apm0 at bios0: Power Management spec V1.2
apm0: AC on, battery charge unknown
pcibios0 at bios0: rev. 2.1 0xf0000/0x10000
pcibios0: PCI IRQ Routing Table rev. 1.0 0xfbc40/176 (9 entries)
pcibios0: PCI Interrupt Router at 000:31:0 ("Intel 82371AB PIIX4 ISA" rev 0x00)
pcibios0: PCI bus #1 is the last bus
bios0: ROM list: 0xc0000/0x8000 0xc8000/0x8000
pci0 at mainbus0 bus 0: configuration mode 1 (no bios)
pchb0 at pci0 dev 0 function 0 "Intel 82810E" rev 0x03: rng active, 8Kb/sec
vga1 at pci0 dev 1 function 0 "Intel 82810E Graphics" rev 0x03: aperture at 0xf4000000, size 0x4000000
wsdisplay0 at vga1: console (80x25, vt100 emulation)
wsdisplay0: screen 1-5 added (80x25, vt100 emulation)
ppb0 at pci0 dev 30 function 0 "Intel 82801AA Hub-to-PCI" rev 0x02
pci1 at ppb0 bus 1
eap0 at pci1 dev 7 function 0 "Ensoniq AudioPCI97" rev 0x06: irq 9
ac97: codec id 0x54524123 (TriTech Microelectronics TR28602)
audio0 at eap0
xl0 at pci1 dev 12 function 0 "3Com 3c905C 100Base-TX" rev 0x78: irq 5 address 00:b0:d0:4c:2e:67
exphy0 at xl0 phy 24: Broadcom 3C905C internal PHY, rev. 7
pcib0 at pci0 dev 31 function 0 "Intel 82801AA LPC" rev 0x02
pciide0 at pci0 dev 31 function 1 "Intel 82801AA IDE" rev 0x02: DMA, channel 0 wired to compatibility, channel 1 wired to compatibility
wd0 at pciide0 channel 0 drive 0: <Maxtor 51024U2>
wd0: 16-sector PIO, LBA, 9765MB, 16383 cyl, 16 head, 63 sec, 19999728 sectors
wd0(pciide0:0:0): using PIO mode 4, Ultra-DMA mode 4
atapiscsi0 at pciide0 channel 1 drive 0
scsibus0 at atapiscsi0: 2 targets
cd0 at scsibus0 targ 0 lun 0: <TOSHIBA, DVD-ROM SD-C2302, 1013> SCSI0 5/cdrom removable
cd0(pciide0:1:0): using PIO mode 4, Ultra-DMA mode 2
uhci0 at pci0 dev 31 function 2 "Intel 82801AA USB" rev 0x02: irq 11
usb0 at uhci0: USB revision 1.0
uhub0 at usb0
uhub0: vendor 0x0000 UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub0: 2 ports with 2 removable, self powered
"Intel 82801AA SMBus" rev 0x02 at pci0 dev 31 function 3 not configured
isa0 at pcib0
isadma0 at isa0
pckbc0 at isa0 port 0x60/5
pckbd0 at pckbc0 (kbd slot)
pckbc0: using irq 1 for kbd slot
wskbd0 at pckbd0: console keyboard, using wsdisplay0
pms0 at pckbc0 (aux slot)
pckbc0: using irq 12 for aux slot
wsmouse0 at pms0 mux 0
pcppi0 at isa0 port 0x61
midi0 at pcppi0: <PC speaker>
sysbeep0 at pcppi0
lpt0 at isa0 port 0x378/4 irq 7
npx0 at isa0 port 0xf0/16: using exception 16
pccom0 at isa0 port 0x3f8/8 irq 4: ns16550a, 16 byte fifo
pccom1 at isa0 port 0x2f8/8 irq 3: ns16550a, 16 byte fifo
fdc0 at isa0 port 0x3f0/6 irq 6 drq 2
fd0 at fdc0 drive 0: 1.44MB 80 cyl, 2 head, 18 sec
biomask c840 netmask c860 ttymask d8e2
pctr: 686-class user-level performance counters enabled
mtrr: Pentium Pro MTRR support
dkcsum: wd0 matched BIOS disk 80
root on wd0a
rootdev=0x0 rrootdev=0x300 rawdev=0x302
derickvalinor:~$

Oh, and a disklabel, too:
derickvalinor:~$ sudo disklabel wd0
# using MBR partition 3: type A6 off 63 (0x3f) size 19984797 (0x130f19d)
# /dev/rwd0c:
type: ESDI
disk: ESDI/IDE disk
label: Maxtor 51024U2
flags:
bytes/sector: 512
sectors/track: 63
tracks/cylinder: 16
sectors/cylinder: 1008
cylinders: 16383
total sectors: 19999728
rpm: 7200
interleave: 1
trackskew: 0
cylinderskew: 0
headswitch: 0 # microseconds
track-to-track seek: 0 # microseconds
drivedata: 0

16 partitions:
# size offset fstype [fsize bsize cpg]
  a: 19737648 262080 4.2BSD 1024 8192 16 # (Cyl. 260 - 19840)
  b: 262017 63 swap # (Cyl. 0*- 259)
  c: 19999728 0 unused 0 0 # (Cyl. 0 - 19840)
derickvalinor:~$

Thanks.

--
Will Rogers never met Rush Limbaugh.

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