Date: Wed, 18 Apr 2012 13:34:10 +0300 From: Konstantin Belousov <kostikbel@gmail.com> To: Chad C <chad@psys.us> Cc: freebsd-stable@freebsd.org Subject: Re: kernel panic while detecting cpu in FreeBSD 9 Message-ID: <20120418103410.GU2358@deviant.kiev.zoral.com.ua> In-Reply-To: <4F8E41F1.3000500@psys.us> References: <4F8D9FCC.6000705@psys.us> <20120417191603.GO2358@deviant.kiev.zoral.com.ua> <4F8E41F1.3000500@psys.us>
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--ZP8/ogOupewGoTns Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed, Apr 18, 2012 at 12:24:17AM -0400, Chad C wrote: > Updated the mainboard UEFI to latest version but am still getting the=20 > same kernel page fault. >=20 > I compiled "options DDB" and "options GDB" into the generic kernel. =20 > After rebooting and entering DDB I get the following from various command= s: >=20 > On bootup I am now getting the following: >=20 > real memory =3D 8589934592 (8192 MB) > avail memory =3D 8198332416 (7818 MB) > Event timer "LAPIC" quality 600 > ACPI APIC Table: <ALASKA A M I> > panic: AP #2 (PHY# 4) failed! > cpuid =3D 0 > KDB: stack backtrace: > db_trace_self_wrapper() at db_trace_self_wrapper+0x2a > kdb_backtrace() at KDB_backtrace+0x37 > panic() at panic+0x187 > cpu_mp_start() at cpu_mp_start+0x589 > mp_start() at mp_start+0x85 > mi_startup() at mi_startup+0x77 > btext() at btext+0x2c > KDB: enter: panic > [ thread pid 0 tid 0 ] > Stopped at kdb_enter+0x3b: movq $0,0x905dc2(%rip) > db> So your other core failed to start. You might try a lack posting exact model/bios version of the machine and mainboard. But indeed, this is most often BIOS bugs. Sometimes in the strange areas like USB, e.g. SMI handler for emulating legacy PS/2 keyboard. As a shot in the dark, try to fiddle with this setting. --ZP8/ogOupewGoTns Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (FreeBSD) iEYEARECAAYFAk+OmKIACgkQC3+MBN1Mb4hDngCfYkg9gQI08p/3qT7AXs5xpMwl 8NUAn0i8SooiO4WUABu8w5Fe7P7IC3sT =p6sR -----END PGP SIGNATURE----- --ZP8/ogOupewGoTns--
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