Maybe there is a kernel option to avoid scanning for EISA buses ?
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https://bugs.launchpad.net/bugs/1543919
Title:
Remove EISA support from main kernel image and make it M (modular)
Status in linux package in Ubuntu:
Triaged
Bug description:
(This is a sort of RfC. )
I have a PC that still has the good old PCI ports, but I am 100% sure that
the active use of EISA dates back yet more 10 years.
In other words, boards that _only_ support EISA date back 25 years now, while
those that provide *one* EISA slot date back roughly 15 years (one of the
Elitegroup K7 series comes to mind, from about 2001/02).
So the EISA support *should* be provided, as we should even support ancient
hardware (Linux principle :))
However, why the EISA support is *compiled in* is beyond me.
For instance, it creates lots of totally unnecessary noise in dmesg:
[ 0.080000] EISA bus registered
[ 1.598316] platform eisa.0: Probing EISA bus 0
[ 1.598345] platform eisa.0: Cannot allocate resource for EISA slot 1
(repeated 10 times, i=i+1)
[ 1.598368] platform eisa.0: EISA: Detected 0 cards
For a 1997 mainboard, this would make perfect sense.
But it is very probable that said mainboard would require linux-image-extra
nonetheless to support some days-of-yore chipset.
So why not leave it as a *module*, while removing its support from
main kernel image once and for all?
Your turn.
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