Messages in this thread | | | From | Bartlomiej Zolnierkiewicz <> | Subject | Re: Linux IDE bug in 2.4.21 and 2.4.22 ? | Date | Tue, 9 Sep 2003 17:01:48 +0200 |
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On Tuesday 09 of September 2003 16:33, Phil Dibowitz wrote: > Bartlomiej Zolnierkiewicz wrote: > > On Tuesday 09 of September 2003 00:51, Phil Dibowitz wrote: > >>Hey folks, > >> > >>I think I may have found a bug in the Linux IDE subsystem > >>introduced in 2.4.21 and still present in 2.4.22. > > > > Nope, user error :-). > > I thought there was a reasonable chance of that! =) > > > Nope, your CMD649 was handled by generic PCI IDE driver. > > Ah, OK. Makes sense. > > >>As of 2.4.21, this configuration no longer works -- which is not > >>necessarily a bug. I'm almost there, stay with me. =) > > > > Assumption that current .config will work with future kernel versions is > > *false*. > > Agreed. I said that wasn't a bug. =) > > > Just add these two lines to your .config: > > CONFIG_BLK_DEV_VIA82CXXX=y > > CONFIG_BLK_DEV_CMD64X=y > > Doh!! Didn't see the VIA driver down there at the bottom. Double doh! My > appologies, I should have been able to figure that out. > > That works quite well, thank you! Still have a question though...
No problem, thanks for report.
> > Your VIA IDE controller was handled by generic IDE chipset driver which > > did probe devices *after* PCI controllers are probed, so CMD649 took > > ide0 and ide1 first. > > But, what about the case when I built in the generic driver, but made > the CMD649 driver a module, and loaded it after boot. That shouldn't > have *changed* what ide0 and ide1 are, right? I had ide0 and ide1 > assigned, did a modprobe, and CMD649 changed what ide0 adn ide1 where, > and then forgot about the previous ones.. like all of a sudden it told > the generic driver "no, no, you were wrong, there's no VIA chipset here, > go back to sleep."
Hmm. please send me dmesg.
--bartlomiej
> I may well be misunderstanding something precedence in the kernel here, > but I figured while I'm bugging you, I might as well get the full picture. > > Thanks for your time!
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