Date: Sat, 20 Feb 1999 23:42:29 +0100 (MET) From: Marcin Cieslak <saper@system.pl> To: stable@freebsd.org Subject: MATH_EMULATE on 486SX Message-ID: <Pine.GSO.4.10.9902202341040.21534-100000@tricord.system.pl>
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I have reproduced the behaviour described in
<3693366C.12CBFA8E@ktinet.com.tw> (on
freebsd-questions) on 3.0-RELEASE.
The MATH_EMULATE option is present (without it
the kernel panics right after npx0) and we get:
npx0 on motherboard
npx0: 387 emulator
changing root device ...
and so on.
The system boots, but fsck, ping, X server and
some other tools abort at some point with signal 10.
However, one can log in and spawn a shell.
A quick backtrack on fsck compiled with -g
shows that it core dumps on the line (main.c:271):
printf("(%d frags, %d blocks, %.1f%% fragmentation)\n",
And the last output from fsck was:
/dev/rwd0s1e: 5355 files, 89173 used, 64610 free
It segfaults on printf("%f") -- so the error is in the
floating point code, presumably in FP emulation.
The same configuration (I am just removing hdd) works
on 486DX fine.
--
<< Marcin Cieslak // saper@system.pl >>
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