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Date: Sat, 30 Jul 2005 16:48:56 -0600 (MDT)
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To: lehmann@ans-netz.de
From: "M. Warner Losh" <imp@bsdimp.com>
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Cc: current@freebsd.org
Subject: Re: mlx(4) fully and ep(4) partially broken on 6.0
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In message: <20050731003652.12223405.lehmann@ans-netz.de>
            Oliver Lehmann <lehmann@ans-netz.de> writes:
: same as ep0 wants to run with:
: 
: ep0: <3Com 3C509-Combo Etherlink III> at port 0x300-0x30f irq 9 on isa0
: ep0: No irq?!
: panic: resource_list_release: resource entry is not busy
: Uptime: 1s

Bummer.  Any chance you can get a traceback?

: As you can see, it looks like the card is not configured as PnP (because
: that would add "(PnP)" to the description).
: 
: On my router, fxp3 has irq 9 - Maybe it is irq sharing related? But I
: wonder why it works with 5.4 without problems...

You can't share IRQs with ISA bus.  You'll need to find out what
changed that causes fxp3 to use irq 9 now.  Maybe it is APIC related?

Warner