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Debian Hurd tests on real hardware - network, IRQ issues

From: Riccardo Mottola
Subject: Debian Hurd tests on real hardware - network, IRQ issues
Date: Sun, 22 Nov 2020 12:01:51 +0100
User-agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:60.0) Gecko/20100101 SeaMonkey/


as I did long ago, I want again a "real hardware" machine to run HURD on, not just a vm. It is more fun, more real... and motivates me more to hack and test software on it! The machine I used to run it is gone and some old spare 32bit laptops are not good enough because they either have not enough RAM or don't have integrated LAN, requiring it over an unsupported CardBus...
I'd like to have console, X11 and network support.

I know we don't do USB sticks and such yet, right? so optical drive would be good as an exchange medium to have.

Preliminary question: how would be WiFi support?

I have a Laptop where HURD  appears to run fine, but it is devoted to other tasks, so I used it to "install" and upgrade the system to latest current debian HURD. On a venerable ThinkPad T23 I get working console, working LAN, even working X11 with pointer. Swapping the "ready" HD into other machines I tested. Being used for other things, I do not want to devote the T23 to HURD (although, if you promise me working RS232, PCMCIA WiFi and ACPI battery information...)

I have, 2 "candidate" laptops to consider, on any of which I could run it.

1) A Compaq Presario with Pentium4 non-HT, it would be ideal, integrated LAN... it has a Radeon, so also a usually supported Card. It even has a Floppy!! can I use it instead of USB :) (well... the issue is that I could not exchange it with other computers, I have almost none with floppies....)
Here HURD does not finish boot, I get this issue seen in dmesg

com0: at atbus0The device below will clobber IRQ4 (c10512c0)
You have two devices at the same IRQ.
This won't work. Reconfigure your hardware and try again.
com0: port = 3f8, spl = 6, pic = 4

Being a laptop, I cannot fiddle with IRQ Jumpers :) Also "it can work" since this laptpo did run Windows, FreeBSD and Linux. Is our kernel wrong here or doesn't support some tricks other OSs have. I checked in the BIOS if I could "disable" internal stuff, but I can't. This computer has no RS232 port, but does have IrDA, which is perhaps seen as COM port?
Should I boot another OS and retrieve some information that way?

2) An Acer Aspire with authentic AMD CPU and VIA Graphics usually supported by the OpenChrome driver (which depending on the OS distribution may be buggy, e.g. on Alpine Linux this computer is unusable with X11) Here HURD "boots" then gets to DHCP and waits a looooong time (I thought it was frozen, the first time I power-cycled) but eventually I get to console. No network though.
I guess that maybe the network card is not recongized or not configured?
Lacking "dmesg" and "lspci" how can I investigate this more and give you more information?
Should I boot another OS and tell you the model information of this card?


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