Hello.
Linas Vepstas wrote:
I've got a rather old x86 box that I'm booting 2.6.21.1 on;
this kernel is not finding an ide controller on it.
The motherboard has 4 ide controllers total; two olde-fashioned
ones (PIIX4, using the original 40-pin IDE ribbon cable) and two
You should have said "channels". PIIX4 has only one IDE controller.
"HighPoint HPT366" controllers, taking the 80-pin cable.
BIOS allows the two olde-fashioned channels to be enabled
or disabled; but the HPT seems to alaways be on (I could not
find any BIOS entry to play with them.)
A bit of debugging localized the symptoms to drivers/ide/setup-pci.c
It seems that there was some recent ide-pci fix that changed/fixed
the way that pci config space is read' this "fix" breaks my recognition
of my controller.
Actually, it was a bug that I've introduced into drivers/ide/pci/hpt366.c
-- the patch has been already merged into 2.6.22-rc1:
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=fdb0d72be4decaade6cedb5012ddd679a4817b5f
MBR, Sergei
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