Date: Thu, 24 Sep 2009 14:26:42 +0000 (UTC) From: Ed Maste <emaste@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r197455 - head/sys/amd64/amd64 Message-ID: <200909241426.n8OEQgKf099164@svn.freebsd.org>
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Author: emaste Date: Thu Sep 24 14:26:42 2009 New Revision: 197455 URL: http://svn.freebsd.org/changeset/base/197455 Log: Add a backtrace to the "fpudna in kernel mode!" case, to help track down where this comes from. Reviewed by: bde Modified: head/sys/amd64/amd64/trap.c Modified: head/sys/amd64/amd64/trap.c ============================================================================== --- head/sys/amd64/amd64/trap.c Thu Sep 24 11:11:00 2009 (r197454) +++ head/sys/amd64/amd64/trap.c Thu Sep 24 14:26:42 2009 (r197455) @@ -505,8 +505,11 @@ trap(struct trapframe *frame) * XXX this should be fatal unless the kernel has * registered such use. */ - fpudna(); printf("fpudna in kernel mode!\n"); +#ifdef KDB + kdb_backtrace(); +#endif + fpudna(); goto out; case T_STKFLT: /* stack fault */
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