Date: Wed, 9 Mar 2005 03:40:05 GMT From: Dan Albers <computing@kpfa.org> To: freebsd-bugs@FreeBSD.org Subject: Re: misc/78569: seg fault compiling after install on AMD K6-2 Message-ID: <200503090340.j293e5AF013807@freefall.freebsd.org>
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The following reply was made to PR misc/78569; it has been noted by GNATS. From: Dan Albers <computing@kpfa.org> To: Kris Kennaway <kris@freebsd.org> Cc: freebsd-gnats-submit@freebsd.org Subject: Re: misc/78569: seg fault compiling after install on AMD K6-2 Date: Tue, 8 Mar 2005 19:38:59 -0800 On Tuesday 08 March 2005 19:17, you wrote: > On Tue, Mar 08, 2005 at 03:54:18PM -0800, Dan Albers wrote: > > > If it was idling all night, the CPU wasn't generating much heat. The > > > proposed issue here is that the cooling system can't handle the *peak* > > > loads, i.e. when the CPU is working very hard -- like during a > > > buildworld. I've seen *exactly* this problem occur on multiple amd64 > > > k6-2 and k6-3 machines, and I'm sure you can find many other case > > > stories in the mailing list archives. > > > > Huh? This is not an amd64 bit processor. It is a uniprocessor AMD K6-2 > > 550. > > Typo; omit the '64'. > > > Actually I have not checked the lists, only Google, and > > I found one in which someone made sure (as mentioned in UPDATING) to not > > try to build with optimization > 2. No mention of AMD however. > > > > Which mailing list should I check? > > questions, stable, etc. > > > > > BTW, I put the HD back in the Intel Celeron system, did a CVSUP, > > > > built world and GENERIC kernel OK. Put the drive back into the AMD > > > > system, and just to see what would happen did 'make buildworld'. This > > > > time it looks like it failed trying to build library libiberty.a with > > > > the message cc: internal error: illegal instruction (program ld) > > > > > > Probably compiled with an incompatible CPUTYPE. > > > > Do you mean that when I built the compiler on the Celeron system, that I > > cannot use the compiler on an AMD system? (they are both i386). > > > > Where can I find out which CPUTYPE the compiler is expecting/using? > > In /etc/make.conf and associated manpage. > > > > > I have had problems building since about 5.2.1 (I think 5.1 compiled > > > > ok) on other AMD machines as well. > > > > > > On working hardware, a buildworld of known-good source (e.g. the same > > > release you're running) will not fail. > > > > Uh, oh. This is working hardware. And I'm assuming that the source which > > came with the CD image is good (compiles ok on the Celeron). A few months > > ago i was able to build a 4.10 system on an AMD system and build OK. No > > heat probs, no compiler probs. > > > > Anyway, this is important to me because we have a lot of AMDs which are > > not ready for the bonepile yet, and I would like to be able to install > > FreeBSD on them and use them for KDE workstations, and be able to build > > on each one. > > > > I am willing to systematically try to find out why this is happening. I > > have coded C for about 15years of my life, so if need be I can poke > > around in the source. I'd rather not if I can modify some config file. If > > you do not have the time or interest, please refer me to someone else. > > Oh, I hadn't noticed you'd dropped the GNATS address from the CC line. > You should attach a copy of our correspondence as a followup to your > PR so that others can try and help you as well. > > Kris Thanks. I'll forward this to GNATS. BTW /etc/make.conf is vanilla: does not mention cputype or optimization flags. I've mounted the HD in the Celeron system for deployment, but that is the last one I have. Sure would like to get this working with the AMD K6-2 xxx's. Dan.
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