Date: Thu, 3 Jul 2008 21:58:33 +0300 From: Kostik Belousov <kostikbel@gmail.com> To: Ed Maste <emaste@freebsd.org> Cc: freebsd-current@freebsd.org Subject: Re: head panic: mutex Giant owned at /d2/emaste/svn-head/src/sys/geom/geom_dev.c:184 Message-ID: <20080703185833.GQ17123@deviant.kiev.zoral.com.ua> In-Reply-To: <20080703181431.GA10858@sandvine.com> References: <20080703181431.GA10858@sandvine.com>
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--Tm3avfvRG8umVcF7 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Jul 03, 2008 at 02:14:31PM -0400, Ed Maste wrote: > I haven't looked into this yet, but just got the following panic on boot > from a GENERIC kernel built from svn head ~ 1 hour ago: >=20 > Loading configuration files. > panic: mutex Giant owned at /d2/emaste/svn-head/src/sys/geom/geom_dev.c:1= 84 > cpuid =3D 0 > KDB: enter: panic > [thread pid 35 tid 100069 ] > Stopped at kdb_enter+0x3a: movl $0,kdb_why > db> >=20 > db> bt > Tracing pid 35 tid 100069 td 0xc7119230 > kdb_enter(c0b46154,c0b46154,c0b44be1,e93899a4,0,...) at kdb_enter+0x3a > panic(c0b44be1,c0b64e7b,c0b3daac,b8,e93899e0,...) at panic+0x12c > _mtx_assert(c0c89570,0,c0b3daac,b8,2000,...) at _mtx_assert+0x127 > g_dev_open(c707ad00,1,2000,c7119230,4,...) at g_dev_open+0xb4 > devfs_open(e9389acc,c7119230,e9389ba8,0,e9389af4,...) at devfs_open+0xdf > VOP_OPEN_APV(c0c17580,e9389acc,c7119230,e9389a54,c710a860,...) at VOP_OPE= N_APV+0xa5 > vn_open_cred(e9389ba8,e9389c5c,9cd,c648b800,c70d7818,...) at vn_open_cred= +0x429 > vn_open(e9389ba8,e9389c5c,9cd,c70d7818,0,...) at vn_open+0x33 > kern_openat(c7119230,ffffff9c,bfbfef70,0,1,...) at kern_openat+0x106 > kern_open(c7119230,bfbfef70,0,0,80489df,...) at kern_open+0x35 > open(c7119230,e9389cf8,c,c7119230,c0c1aad8,...) at open+0x30 > syscall(e9389d38) at syscall+0x2a3 > Xint0x80_syscall() at Xint0x80_syscall+0x20 > --- syscall (5, FreeBSD ELF32, open), eip =3D 0x28159cb3, esp =3D 0xbfbfe= e2c, ebp =3D 0xbfbfee88 --- Do you have sysctl debug.mpsafevfs=3D0 ? I see no other possibility for this to happen. If yes, the panic is a consequence of the r178834. --Tm3avfvRG8umVcF7 Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.9 (FreeBSD) iEYEARECAAYFAkhtIVkACgkQC3+MBN1Mb4jwKgCfXzsOehS96Uc5JLqK4f/rNkhp cEIAoN5SqZ5EChoxiXTmuWAPCPa5VfS+ =BmS/ -----END PGP SIGNATURE----- --Tm3avfvRG8umVcF7--
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