Messages in this thread | | | Date | Wed, 31 Jan 2001 18:06:41 -0500 | From | Shawn Starr <> |
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pgcc borks 2.4.1 kernel and prereleases (sadly I found this out the same way).
Shawn. Matt Yourst wrote:
> Hi, > > I just tried to compile 2.4.1 and I'm getting the error "undefined > reference to `__buggy_fxsr_alignment'" when trying to do the final > link. It looks like this check was something 2.4.1 added to > include/asm-i386/bugs.h to fail the kernel build if part of the thread > structure wasn't aligned on a 16-byte boundary (which seems to make > sense given FXSR's alignment requirements.) When was this check added? > I assumed it was a bug in 2.4.0 that was just recently discovered, but > I didn't see anything in the ChangeLog to that effect. > > The problem is that I don't know how to fix it (at least not reliably > and cleanly.) I tried rearranging the fields in the task structure, > but the alignment still wasn't right. I did apply a few non-standard > patches that expanded the task structure, but the additional fields > came well after the task's struct thread (which was causing the > alignment problem.) FYI, I'm compiling with pgcc 2.95.2 and linking > with binutils/ld 2.10 (I've used both of these successfully for > countless kernel compiles before this.) > > Anyone else had this problem? > > - Matt Yourst > > ------------------------------------------------------------- > Matt T. Yourst Massachusetts Institute of Technology > yourst@mit.edu 617.225.7690 > 513 French House - 476 Memorial Drive - Cambridge, MA 02139 > ------------------------------------------------------------- > - > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.kernel.org > Please read the FAQ at http://www.tux.org/lkml/
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