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Description of problem:
isa-pnp configuration happens too late if at all. If the module is
loaded from linuxrc on the initrd, no post-install gets run and no
configuration takes place. /etc/rc.sysinit skips isapnp configuration
if the /proc interface exists.
What needs to happen is mkinitrd needs to convert post-install's that
cat > /proc/somewhere into a series of echo > /proc/somewhere (since
cat does not exist on initrd). mkinitrd also needs to mount /proc
before loading modules instead of after as it does now.
In addition, isa-pnp needs to accept multiple command fragments on a
single line. Currently it expects "card", "port", "dma", "irq" settings
on separate lines. I propose adding ';' to the '\n' terminator test to
combine the fragments on a single line. I propose using "#Begin" and
"#End" comments in the catted config file to tell mkinitrd how to block
nash and isapnp_proc.c don't agree on which open modes are writable.
nash's echo > file opens file read/write (which is wrong) and
isapnp_proc expects either readonly or writeonly, rejecting readwrite.
I propose making isapnp_proc more tolerant as long as there are other
changes going in.
While reformatting the output from /proc/isapnp, making it suitable
for input to itself, the way isapnptools was, makes updating
configurations much easier.
I'd also like a different order for interrupt allocation, starting
with least frequently used and saving popular ones for later. Giving
away 5 and 10 early makes activating sound cards difficult or impossible.
Version-Release number of selected component (if applicable):
Steps to Reproduce:
1.Hardware configuration needs a printer, isapnp lan card, sb16 with
2.isapnp_reserve_irq=7 # for printer
Actual Results: 4.ide driver uses default irq 10 for ide3 (sb16 cdrom)
5.isapnp allocates irq 5 to the lan card
6.modprobe sb complains about out of resources
Expected Results: setting either the sb16 to ide1 or ide2 in
allow the sb audio device to load. Changing the interrupt allocation
to use 12, 15, 11, before 5 or 10 would also allow the sb to load.
(sb uses irq 5/7/10 only)
I have suggested patches for mkinitrd, isapnp.c, and isapnp_proc.c
that I will upload once this is in the database.
Created attachment 99499 [details]
diff -u for mkinitrd, isapnp.c, and isapnp_proc.c
Thanks for the bug report. However, Red Hat no longer maintains this version of
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and if you believe this bug is interesting to them, please report the problem in
the bug tracker at: http://bugzilla.fedora.us/