Good question, but
I think you'll have better chances
to have this problem/question solved
on the openbsd mailing list.
http://lists.openbsd.org/
Otfried
--OpenBSD4.0 on net5501--
> Hey folks,
>
> I have a 4501 running the latest ComBIOS (1.31b), booting OpenBSD
> 4.1-STABLE on a CF card. Everything works great.
>
> However, something I'm very curious about... When I choose the
> (I)nstall option in the OpenBSD installer, I can install a new -STABLE
> build of the OS from the CF card in about 24 minutes. That time
> includes formatting the CF and everything.
>
> If I choose (U)pgrade, it takes over 3 *hours* to install the same
> -STABLE build off the same CF card. As the tarballs are installing,
> I get the usual progress meter, but the larger ones time out over and
> over again, saying "-- stalled --". Keep in mind, each time I test
> this, I have copied the entire distribution to the CF card, and have
> selected "disk" as the source of the tarballs. Nothing's going over
> the network whatsoever.
>
> Again, everything works perfectly when the OS is running. But I'm
> really, really curious to know why this happens. It _always_ completes
> successfully, the OS always runs fine, and I see no instabilities.
>
> I'd appreciate it if someone could give it a think, and offer any
> reasons...
>
> Thanks much!
>
> Benny
>
> ps: Dmesg follows:
>
>
> [EMAIL PROTECTED] ~]$ dmesg
> OpenBSD 4.1-stable (GENERIC) #25: Sun Aug 19 06:05:51 CDT 2007
> [EMAIL PROTECTED]:/usr/src/sys/arch/i386/compile/GENERIC
> cpu0: AMD Am486DX4 W/B or Am5x86 W/B 150 ("AuthenticAMD" 486-class)
> cpu0: FPU
> real mem = 66678784 (65116K)
> avail mem = 52539392 (51308K)
> using 844 buffers containing 3457024 bytes (3376K) of memory
> mainbus0 (root)
> bios0 at mainbus0: AT/286+ BIOS, date 20/70/14, BIOS32 rev. 0 @ 0xf7840
> pcibios0 at bios0: rev 2.0 @ 0xf0000/0x10000
> pcibios0: pcibios_get_intr_routing - function not supported
> pcibios0: PCI IRQ Routing information unavailable.
> pcibios0: PCI bus #0 is the last bus
> bios0: ROM list: 0xc8000/0x9000
> cpu0 at mainbus0
> pci0 at mainbus0 bus 0: configuration mode 1 (bios)
> elansc0 at pci0 dev 0 function 0 "AMD ElanSC520 PCI" rev 0x00: product 0
> stepping 0.1, CPU clock 133MHz, reset 0
> gpio0 at elansc0: 32 pins
> sis0 at pci0 dev 18 function 0 "NS DP83815 10/100" rev 0x00, DP83815D: irq
> 10, address 00:00:24:c0:04:ec
> nsphyter0 at sis0 phy 0: DP83815 10/100 PHY, rev. 1
> sis1 at pci0 dev 19 function 0 "NS DP83815 10/100" rev 0x00, DP83815D: irq
> 11, address 00:00:24:c0:04:ed
> nsphyter1 at sis1 phy 0: DP83815 10/100 PHY, rev. 1
> sis2 at pci0 dev 20 function 0 "NS DP83815 10/100" rev 0x00, DP83815D: irq
> 5, address 00:00:24:c0:04:ee
> nsphyter2 at sis2 phy 0: DP83815 10/100 PHY, rev. 1
> isa0 at mainbus0
> 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
> wdc0 at isa0 port 0x1f0/8 irq 14
> wd0 at wdc0 channel 0 drive 0: <SanDisk SDCFH-2048>
> wd0: 4-sector PIO, LBA, 1953MB, 4001760 sectors
> wd0(wdc0:0:0): using BIOS timings
> pcppi0 at isa0 port 0x61
> midi0 at pcppi0: <PC speaker>
> spkr0 at pcppi0
> npx0 at isa0 port 0xf0/16: reported by CPUID; using exception 16
> pccom0 at isa0 port 0x3f8/8 irq 4: ns16550a, 16 byte fifo
> pccom0: console
> pccom1 at isa0 port 0x2f8/8 irq 3: ns16550a, 16 byte fifo
> biomask f3c5 netmask ffe5 ttymask ffe7
> pctr: no performance counters in CPU
> dkcsum: wd0 matches BIOS drive 0x80
> root on wd0a
> rootdev=0x0 rrootdev=0x300 rawdev=0x302
>
>
>
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