ACPI disables network (why?)

[Peter]

I've been meaning to ask this one for awhile.

I'm running 5.4-STABLE and I cannot use my network card *without*
booting with ACPI enabled.  The net contains trouble with people having
this type of issue with Realtek cards and ACPI *enabled*.  I have a
Gigabyte m/b with an onbard adapter that is assigned the sk driver.

So the symptom is "watchdog timeout" during DHCP discovery at the boot
stage.  My networking is non-functional if I try to boot with ACPI.

dmesg says (during a successful boot):

pcib2: <ACPI PCI-PCI bridge> at device 14.0 on pci0
pci2: <ACPI PCI bus> on pcib2
skc0: <Marvell Gigabit Ethernet> port 0xc000-0xc0ff mem
0xfb000000-0xfb003fff irq 19 at device 11.0 on pci2
skc0: Marvell Yukon Lite Gigabit Ethernet rev. (0x9)
sk0: <Marvell Semiconductor, Inc. Yukon> on skc0
sk0: Ethernet address: 00:0f:ea:ec:f1:4e
miibus0: <MII bus> on sk0
e1000phy0: <Marvell 88E1000 Gigabit PHY> on miibus0
e1000phy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX,
1000baseTX-FDX, auto

Any ideas?

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