Re: em error with dual-port NIC on G5 1.8Ghz

[Geoffrey Peterson]

Ping? Or should I send this to misc or bugs (apologies for asking -
I'm new to the community)? Thanks!

On Mon, May 16, 2016 at 12:56 PM, Geoffrey Peterson
<geof...@getmindme.com> wrote:
> Hello,
>
> I just installed an Intel PRO/1000MT Dual Port Server Adapter
> (PWLA8492MT) PCI-X card into my G5 tower running OpenBSD5.9 and it’s
> not being handled correctly at boot, causing a freeze [technically,
> starting adb0 causes the freeze, but this seems to be due to em(4)
> throwing "can't find i/o space" when configuring the NIC's second
> ethernet port].
>
> Both the G5 (www.everymac.com/systems/apple/powermac_g5/specs/powermac_g5_1.8.html)
> and the dual-port NIC are listed as supported hardware
> (man.openbsd.org/OpenBSD-current/man4/em.4). The G5 boots fine
> without the new NIC and also boots fine if I “disable em” in
> boot_config (although then, obviously, the NIC isn’t configured).
> I’ve tried the card unsuccessfully in all three of the available PCI-X
> slots - in the below it’s in Slot 4. I unfortunately don’t have
> another machine on which to test to confirm the card itself is not
> faulty.
>
> Attached files are:
> 1) dmesg from stalled boot with NIC (transcribed from screen)
> 2) dmesg from successful boot without NIC
> 3) dmesg from successful boot with NIC but “em disabled”
> 4) “dump-device-tree” output from open firmware with NIC installed (via telnet)
>
> I'd like to be helpful: if the fix for this issue makes the macppc
> code more robust that’s great...but if it’s just messing with
> configurations then no stress and I'll grab some different NIC cards
> and not waste anyone's time. Please let me know if I can send
> anything else to be helpful.
>
> Many thanks in advance,
> Geoffrey