Date: Wed, 25 Feb 2009 12:31:12 -0600 From: Nathan Whitehorn <nwhitehorn@freebsd.org> To: Garrett Cooper <yanefbsd@gmail.com> Cc: FreeBSD PowerPC ML <freebsd-ppc@freebsd.org> Subject: Re: Brokenness in HEAD Message-ID: <49A58E70.4010001@freebsd.org> In-Reply-To: <11D16AB8-F705-4464-B35B-07A24E26B5E5@gmail.com> References: <49A57020.1080603@freebsd.org> <11D16AB8-F705-4464-B35B-07A24E26B5E5@gmail.com>
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Garrett Cooper wrote: > On Feb 25, 2009, at 8:21 AM, Nathan Whitehorn wrote: > >> Something seems to currently be quite broken in HEAD for PowerPC, at >> least on the AIM platform. I'm getting almost immediate panics all >> over the place in the kernel, usually indicating memory corruption >> somehow (faults on bogus addresses, illegal instructions, etc...). >> This is a heads-up to those thinking of updating systems or who might >> know what happened. >> >> The change is on order a week old, and I believe newer than the 20th. >> I have not done a full binary search yet, but it is not related to >> the following (checked by selective reversion of bits of the tree, or >> disabling bits): >> - USB code >> - ATA code >> - Anything in sys/powerpc (the Altivec import in particular) >> - Any changes to kernel compile flags or the contents of >> /usr/src/share/mk >> >> The panics seem to correlated with file system use (either UFS or >> NFS), but that may just be testing more code paths than a pure >> computational load. >> -Nathan > > Could this be related to the USB4BSD changes? > -Garrett I don't think so. Running a kernel with no USB in it still crashed, along with one with no ATA, which has also seen a lot of changes lately. -Nathan
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