In message: <20060313155744.worp8zmh8g4g0o8w_at_mail.bafirst.com> eculp_at_bafirst.com writes: : Quoting "M. Warner Losh" <imp_at_bsdimp.com>: : : > In message: <20060311213529.epb13ogpggk00ws0_at_mail.bafirst.com> : > eculp_at_bafirst.com writes: : > : I've lost track a bit of the differences between current and : > : 6.1-prerelease. I don't remember anything major that would cause : > : problems. Does anyone know of a potential gotcha or have suggestions : > : the smooth the pathe or has done this since the freeze? : > : : > : The machine that I am going to downgrade is my wife's and I don't : > : really want to recompile roughly 540 ports that are installed but . . . : > : , if need be . . . . ;) Problems with the linuxpluginwrapper port in : > : current started this. She likes to have her flash and pdf in the : > : browser even though all the other plugins that she uses work. I think : > : she will probably prefer the stability of RELENG_6 in the long run. : > : > There are two areas where there will be problems. First is shared : > libraries. Many of them have, iirc, been bumped in -current. Be : > careful here. : > : > Second, there may be kernel issues where while doing the downgrade you : > could hose yourself. Esp in the area of mounting /. : > : > My suggestion is do the following for the downgrade (this order is : > different than a normal upgrade, and really isn't supported, so #2 : > below is extra important): : > : > (1) Buildworld of RELENG_6 : > (2) full dump, or cope w/o. : > (3) installworld of RELENG_6 Yes, before install kernel : > (4) install kernel : > (5) reboot : > (6) find all the shared libraries whose version has gone : > backwards using ls -l and comparing times. Delete new : > versions. They may interfere with new port building : > (7) Rebuild all ports from scratch. Maybe consider installing : > them from packages, or at least the portupgrade series. : > make sure you force a recompile of all ports via portupgrade. : > : > If, at any point after #2 you are hozed, fall back to #2 and try : > again. Alternatively, do a fresh install after #2 and grab your data : > files from step #2. Build everything you need. : > : > : thanks for your warnings, observations and suggestions, : > : > I've done this half way between 6.0-RELEASE and today with a -current : > that was a little too green for the hardware it was on. I was anal : > beyond belief to make sure that nothing from the date of the last : > -current install was left on the system after I was done. The above : > is from memory, and your milage may vary. : : Warner, thanks for confirming my concerns. I'm going to give it a try : and if it doesn't work, I'll just do a clean install and rebuild the : ports. That almost sounds like the best idea, more than anything else, : for housecleaning but less fun ;). It is a point of pride with me that I never resort to a binary install. However, it is often the best thing to do, my hubris notwithstanding. WarnerReceived on Tue Mar 14 2006 - 04:05:41 UTC
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