Date: Sat, 3 Apr 2010 12:43:50 -0500 From: Kevin Day <toasty@dragondata.com> To: Nathan Whitehorn <nwhitehorn@freebsd.org> Cc: freebsd-ppc@freebsd.org Subject: Re: Xserve G4 stability (random processes crashing) Message-ID: <7F22E2B9-34FB-4E3B-981E-8D2EF73A4F64@dragondata.com> In-Reply-To: <4BB5EE68.2040504@freebsd.org> References: <40B1BEB2-6620-4188-BB71-F8B5ED4AA234@dragondata.com> <4BB5EE68.2040504@freebsd.org>
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On Apr 2, 2010, at 8:17 AM, Nathan Whitehorn wrote: > Kevin Day wrote: >> Thanks to some help, we've got 8.0-STABLE running on several Xserve = G4 boxes now, in both UP and SMP configurations. >>=20 >> However, all of them are showing weird stability problems. Running OS = X Server, they were completely stable for years doing pretty hard work = (video encoding) with no errors. They all pass Apple's hardware burn-in, = too. But, doing a "buildworld" or "buildkernel" will result in random = segfaults, invalid .o files being created, or ICEs that go away after = immediately retrying. (i.e. it doesn't appear to be data from the disks = being cached incorrectly, I don't have to force a re-read to fix) Pure = CPU tasks (like memtester from ports) work fine for days.=20 >> Are there any known issues with 8.0 on an XServe G4? >>=20 >> -- Kevin >> =20 > Could you try rolling back from 8.0-STABLE to 8.0-RELEASE on one? I = think Marcel was seeing similar G4-specific problems, and it is likely = to have been something introduced recently. > -Nathan If anything, it seems worse on -RELEASE than -STABLE. In -STABLE I was = at least able to get through a buildworld with only restarting it once, = and now in -RELEASE I've restarted about 10 times and still haven't made = it all the way through. Same symptoms as before, gcc giving internal compiler errors, segfaults, = or corrupt .o files being produced. Memtester (even running in parallel = with buildworld) never reports any errors. I'll keep fiddling with this, = but if anyone has any suggestions on where to look for some clues, it'd = be appreciated. -- Kevin
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