Right after I sent my previous mail, it hit me that maybe a better topic than just "OT" would be better.
Billy Wayne McCann wrote: > Albert Hopkins wrote: >> On Tue, 2007-07-17 at 15:19 +0200, Alan McKinnon wrote: >>> On Tuesday 17 July 2007, Mick wrote: >>>> On Tuesday 17 July 2007 13:20, Billy McCann wrote: >>>>> Hi Mick. From what I understand, using oldconfig for major >>>>> version changes (.20 -> .21) is a bad idea. Here's what I did. It >>>>> may be slow and stupid but it worked like a charm. >>>> Sure, but I have been using oldconfig for previous major changes and >>>> never had a problem like this before. >>> Now you know why the kernel devs keep telling you not to do it, heh :-) >>> >> I don't know which kernel dev keeps saying that, but I'd recommend >> he/she specify what is meant by "major version" since, historically: >> >> 2.6.22 >> ^ ^ ^ >> | | +--- Revision >> | +----- Minor version >> +------- Major version >> >> And therefore .20 -> .21 would not be considered a "major" version >> change by most accounts. >> >> -- >> Albert W. Hopkins > > Thanks for correcting my nomenclature, Albert. I too was wanting to use > oldconfig for upgrading my kernel from .20 to .21, but decided not to > after reading the recommendation of the Gentoo Kernel Upgrade Guide, the > relevant portion of which I have pasted below. Perhaps this applied only > to the specific example used. > > My purpose for pasting this into this discussion is three-fold: to show > why I said what I did, to hopefully dispel the notion that I merely made > this all up, and to discuss the relevance of the pasted text itself. > > I apologize for being off-topic and hope that Mick finds himself a > working kernel config soon. :) > > > Billy Wayne > > ===================== > > (Note the the second and third sentences of the second paragraph.) > > http://www.gentoo.org/doc/en/kernel-upgrade.xml > > 10. Advanced: Using your old kernel .config to configure a new one > > It is sometimes possible to save time by re-using the configuration file > from your old kernel when configuring the new one. Note that this is > generally unsafe -- too many changes between every kernel release for > this to be a reliable upgrade path. > > The only situation where this is appropriate is when upgrading from one > Gentoo kernel revision to another. For example, the changes made between > gentoo-sources-2.6.9-r1 and gentoo-sources-2.6.9-r2 will be very small, > so it is usually OK to use the following method. However, it is not > appropriate to use it in the example used throughout this document: > upgrading from 2.6.8 to 2.6.9. Too many changes between the official > releases, and the method described below does not display enough context > to the user, often resulting in the user running into problems because > they disabled options that they really didn't want to. > > -- [EMAIL PROTECTED] mailing list
