On Mon, Sep 13, 2010 at 12:42 PM, Paul Hartman <paul.hartman+gen...@gmail.com> wrote: > On Mon, Sep 13, 2010 at 2:26 PM, Mark Knecht <markkne...@gmail.com> wrote: >> On Mon, Sep 13, 2010 at 11:49 AM, Paul Hartman >> <paul.hartman+gen...@gmail.com> wrote: >>> On Mon, Sep 13, 2010 at 9:38 AM, Mark Knecht <markkne...@gmail.com> wrote: >>>> I'm wondering if there is a Gentoo way to bisect a bug that's crept >>>> into my 64-bit Intel-based system (Intel process, motherboard and >>>> graphics) over the last few months. Fundamentally when this bug >>>> appears it generates a complete X crash back to the gdm login. My >>>> suspicion is that it's related to the Gentoo push to use firefox-bin >>>> and 32-bit Flash until some security issues were addressed but I don't >>>> know that for sure. >>>> >>>> Are there specific overlays I'd want to add using layman that would >>>> allow me to get back to earlier versions of the Intel graphics driver, >>>> 64-bit Firefox and the now masked versions of Flash I was using say >>>> 2-3 months ago? At this point I don't know for sure that what I need >>>> isn't in portage and just masked. I'll start reviewing that this >>>> evening. This post was primarily just to figure out what my options >>>> might be. >>>> >>>> I've never used sunrise or sunset, etc. Maybe it's as easy as adding >>>> one of those to layman and then bisecting my way through some >>>> experiments to figure out where the problem first appeared? >>> >>> You can get old ebuilds from http://sources.gentoo.org, and maybe take >>> whole portage tree snapshot from a given point in time (never tried >>> it). Or maybe there are portage webrsync snapshots going back (again, >>> never used them). >>> >>> If you have demerge installed it should have taken snapshots of which >>> packages you had installed at each time you ran emerge as well. I >>> think that'll still depend on those old versions still being in the >>> tree, which for security fixes etc they usually are not kept, but all >>> should be on http://sources.gentoo.org >>> >> >> Thanks Paul. This is something to look at. >> >> It seems at first glance it's roughly equivalent to what's on my >> system right now. For instance concerning adobe-flash I see only one >> small difference - the oldest 9.0.159 version differs shows up in eix >> on the machine but isn't at sources.gentoo.org. That's not bad. >> >> I believe you are right that I could probably somehow figure out by >> hand using /var/log/emerge.log what was installed after a certain >> date, or possibly figure out what version was running at a certain >> date. I wonder if there are any tools for figuring out the installed >> versions back in time. I don't save anything other than emerge.log and >> I don't know for sure than an old rev of that file was thrown away at >> some point and the file started over again. I suspect many ebuilds >> that I've used are no longer in sources.gentoo.org as almost certainly >> I used Flash 4.0, Flash 5.0, etc. sometime along time ago. >> >> Thanks for the pointer. > > Everything should be in sources.gentoo.org going back more than 10 > years. The trick is that you need to click the "Show dead files" link > to see the versions that have been removed from the tree. For example > this link shoes many adobe-flash revisions including 9.0.159: > > http://sources.gentoo.org/cgi-bin/viewvc.cgi/gentoo-x86/www-plugins/adobe-flash/?hideattic=0 > > Sorry I didn't mention that in my first message. :) > >
Ah, very cool, and don't worry about not mentioning it. I should have seen it myself. So basically then anything that's there I could add to some sort of personal overlay (docs are out there somewhere I'm sure) and then I could continue to use this stuff into the future if necessary. Thanks! - Mark
