Date: Fri, 23 Jan 2009 22:31:42 +0100 From: Lars Engels <lme@FreeBSD.org> To: Ed Schouten <ed@80386.nl> Cc: current@freebsd.org Subject: Re: panic: mutex Giant not owned at /usr/src/sys/kern/tty_ttydisc.c:1127 Message-ID: <20090123213142.GN60948@e.0x20.net> In-Reply-To: <20090123162920.GT41248@hoeg.nl> References: <20090123154336.GJ60948@e.0x20.net> <20090123162920.GT41248@hoeg.nl>
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--2VXyA7JGja7B50zs Content-Type: text/plain; charset=iso-8859-15 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Jan 23, 2009 at 05:29:20PM +0100, Ed Schouten wrote: > Hello Lars, >=20 > As HPS said, the issue seems to be related to ubt, but there's still > something else that is interesting to see here: >=20 > * Lars Engels <lme@FreeBSD.org> wrote: > > #2 0xc0859512 in panic (fmt=3DVariable "fmt" is not available. > > ) at /usr/src/sys/kern/kern_shutdown.c:576 > > #3 0xc0849fc7 in _mtx_assert (m=3D0xc0d76e90, what=3D4, file=3D0xc0c30= b4c "/usr/src/sys/kern/tty_ttydisc.c", line=3D1127) at /usr/src/sys/kern/ke= rn_mutex.c:639 > > #4 0xc08aebad in ttydisc_getc (tp=3D0xc4650c00, buf=3D0xf12ea920, len= =3D128) at /usr/src/sys/kern/tty_ttydisc.c:1127 > > #5 0xc0740604 in sctty_outwakeup (tp=3D0xc4650c00) at /usr/src/sys/dev= /syscons/syscons.c:323 > > #6 0xc0740b6c in scgetc (sc=3D0xc0f11f20, flags=3D3) at /usr/src/sys/d= ev/syscons/syscons.c:3281 > > #7 0xc0741190 in sc_cngetc (cd=3D0xc0cc9be0) at /usr/src/sys/dev/sysco= ns/syscons.c:1607 > > #8 0xc0821a28 in cncheckc () at /usr/src/sys/kern/kern_cons.c:379 > > #9 0xc0821a66 in cngetc () at /usr/src/sys/kern/kern_cons.c:357 > > #10 0xc04bfb15 in db_readline (lstart=3D0xc0d45cc0 "\n", lsize=3D120) a= t /usr/src/sys/ddb/db_input.c:326 >=20 > Sam Leffler also reported this issue to me privately. I'll see what I > can do to fix this. Thanks a lot. BTW it doesn't panic on every boot but only from time to time. --2VXyA7JGja7B50zs Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.9 (FreeBSD) iEYEARECAAYFAkl6Nz4ACgkQKc512sD3afh0KQCgzgM2pSBJZ14yzMT1X651ibjK 5zYAoLuuPDUzjFhqA52ADGjCNlFCoUX1 =YDBA -----END PGP SIGNATURE----- --2VXyA7JGja7B50zs--
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