Date: Sat, 2 Dec 2006 21:25:23 +0200 From: Kostik Belousov <kostikbel@gmail.com> To: "Arno J. Klaassen" <arno@heho.snv.jussieu.fr> Cc: freebsd-stable@freebsd.org Subject: Re: witness_checkorder panic Message-ID: <20061202192523.GB35681@deviant.kiev.zoral.com.ua> In-Reply-To: <wpslfyi2pi.fsf@heho.labo> References: <wpslfyi2pi.fsf@heho.labo>
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--R3G7APHDIzY6R/pk Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sat, Dec 02, 2006 at 07:15:37PM +0100, Arno J. Klaassen wrote: >=20 > Hello, >=20 > I just got this on a box I'm testing before installation. > It has clean RELENG_6 from about two weeks ago with only > some small if_bge.c-patches Bruce Evans sent me for testing > performance/hang problems. > Since I doubt this panic is related to that, I just post > it here in case someone is interested in more info : >=20 > [sorry, no serial console attached ... just copy-paste from > screen, but I will leave the box in the debugger for the > WE ] >=20 > struct mount mtx (struct mount mtx) @ /files/bsd/src6/sys/ufs/ufs/ufs_v= nops.c:138 > KDB: stack backtrace : > witness_checkorder() > _mtx_lock_flags() > ufs_itimes() > ufs_getattr() > VOP_GETATTR_APV() > filt_vfsread() > knote() > VOP_WRITE_APV() > vn_write() > dofilewrite() > kern_writev() > write() > syscall() > Xfast_syscall() > --- syscall (4, FreeBSD ELF64, write), rip =3D 0x4363dc, rsp =3D 0X7fff= ffffdd78, rbp =3D 0x2f6 --- > KDB: enter: witness_checkorder > [thread pid 3987 tid 100133 ] >=20 > Kernel config is stripped GENERIC + >=20 > options AHC_ALLOW_MEMIO > options TCP_DROP_SYNFIN > options KDB > options KDB_TRACE > options DDB > options KTRACE > options INVARIANTS > options INVARIANT_SUPPORT > options DDB_NUMSYM > options BREAK_TO_DEBUGGER > options INVARIANTS > options INVARIANT_SUPPORT > options WITNESS > options WITNESS_KDB > options DEBUG_LOCKS > options DEBUG_VFS_LOCKS > options DIAGNOSTIC > options MUTEX_PROFILING > options MUTEX_DEBUG > options SLEEPQUEUE_PROFILING > options TURNSTILE_PROFILING > options DEBUG_MEMGUARD >=20 > The box was doing (/usr/src nfs-mounted): >=20 > nohup time make -j 2 -DNO_CLEAN buildworld > /tmp/bw_alone.log 2>&1 & >=20 > It paniced shortly after I started 'tail -f /tmp/bw_alone.log' in another > window, and /tmp is mfs. Please, try the patch at http://people.freebsd.org/~kib/kqueue-lor.1.patch [ I do not include it inline since spamfilter at freebsd.org notices the get.*fast pattern in the patch. I need to rename this somehow. ] --R3G7APHDIzY6R/pk Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.5 (FreeBSD) iD8DBQFFcdMjC3+MBN1Mb4gRAi44AKDyRiRYQfAnUbE3Uva+S1auJbFybgCcDkKj SaAqxbFNHvpYrODFyzGZjuo= =ENgE -----END PGP SIGNATURE----- --R3G7APHDIzY6R/pk--
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