Date: Sat, 27 Jun 2009 17:02:50 -0500 From: Nathan Whitehorn <nwhitehorn@freebsd.org> To: Bruce Cran <bruce@cran.org.uk> Cc: freebsd-ppc@freebsd.org Subject: Re: iBook G4 chipset failure causing segfaults? Message-ID: <4A46970A.3030204@freebsd.org> In-Reply-To: <20090627071710.36c4d2a0@gluon.draftnet> References: <20090627071710.36c4d2a0@gluon.draftnet>
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Bruce Cran wrote: > I've recently found that my G4 iBook is causing programs to segfault > when they start going into swap: the effect is worse on -current but > I'm also seeing it on 7.2. For example, if I run a program to allocate 500MB the > system will swap out most programs since I only have 512MB RAM. After a > while dhclient and sendmail segfault while the test program keeps > running; I've also seen tcsh and login segfault too as I logout. I > originally found the problem when building clangbsd, where 'as' would > segfault when it started building the large C++ files that come with > clang. I can run a normal buildworld so I guess this is more of a > problem with the chipset (caused by swapping?) than a memory problem? > > I've run the Apple Hardware Test utility over 30 loops without any > errors - has anyone else seen this problem, and is it likely that the > hardware is simply starting to fail? > > More likely there's a bug in the ATA driver, or the hard disk is failing, and so swap is being corrupted somehow. Is there a way you could try swapping to a different, external drive (firewire, for instance), and see if the problem still exists? -Nathan
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