Date: Sun, 05 Apr 2009 12:13:09 +0200 From: "O. Hartmann" <ohartman@mail.zedat.fu-berlin.de> To: Boris Samorodov <bsam@ipt.ru> Cc: Thierry Herbelot <thierry.herbelot@free.fr>, freebsd-current@freebsd.org, peter@FreeBSD.org Subject: Re: Stuck kernel while cleaning up the object tree Message-ID: <49D88435.30900@mail.zedat.fu-berlin.de> In-Reply-To: <10969763@bb.ipt.ru> References: <200904041050.28932.thierry.herbelot@free.fr> <200904041151.18209.thierry.herbelot@free.fr> <10969763@bb.ipt.ru>
next in thread | previous in thread | raw e-mail | index | archive | help
Boris Samorodov wrote: > On Sat, 4 Apr 2009 11:51:17 +0200 Thierry Herbelot wrote: > =20 >> Le Saturday 04 April 2009, Thierry Herbelot a =C3=A9crit : >> =20 >>> Hello, >>> >>> On recent -current machines, I have seen a common pattern, with the m= achine >>> being frozen (still responsive to pings, though) in the initial phase= s of >>> the buildworld procedure : >>> >>> example freeze : >>> -------------------------------------------------------------- >>> >>> =20 >>>>>> stage 2.1: cleaning up the object tree >>>>>> =20 >>> -------------------------------------------------------------- >>> cd /usr/src; MAKEOBJDIRPREFIX=3D/usr/obj MACHINE_ARCH=3Di386 MACHIN= E=3Di386 >>> CPUTYPE=3D GROFF_BIN_PATH=3D/usr/obj/usr/src/tmp/legacy/usr/bin >>> GROFF_FONT_PATH=3D/usr/obj/usr/src/tmp/legacy/usr/share/groff_font >>> GROFF_TMAC_PATH=3D/usr/obj/usr/src/tmp/legacy/usr/share/tmac >>> _SHLIBDIRPREFIX=3D/usr/obj/usr/src/tmp VERSION=3D"FreeBSD 8.0-CURREN= T i386 >>> 800074" INSTALL=3D"sh /usr/src/tools/install.sh" >>> PATH=3D/usr/obj/usr/src/tmp/legacy/usr/sbin:/usr/obj/usr/src/tmp/lega= cy/usr/b >>> in:/usr/obj/usr/src/tmp/legacy/usr/games:/usr/obj/usr/src/tmp/usr/sbi= n:/usr/ >>> obj/usr/src/tmp/usr/bin:/usr/obj/usr/src/tmp/usr/games:/sbin:/bin:/us= r/sbin: >>> /usr/bin NO_CTF=3D1 make -f Makefile.inc1 DESTDIR=3D/usr/obj/usr/src/= tmp >>> par-cleandir =3D=3D=3D> share/info (cleandir) >>> =3D=3D=3D> lib (cleandir) >>> =3D=3D=3D> lib/csu/i386-elf (cleandir) >>> [type ^T in the console] >>> load: 0.00 cmd: sh 24587 [*Name Cache] 0.01u 0.00s 0% 1584k >>> >>> The other machines also froze while "cleaning up the object tree". >>> >>> The machines are configured with serial consoles : I have no kernel s= tack >>> backtrace to aid in pinpointing the cause of this freeze. >>> >>> Cheers >>> >>> TfH >>> =20 > > =20 >> With a bit more investigation : >> =20 > > =20 >> on a separate ssh session, top is still live and shows processes stuck= as : >> 24523 root 1 76 0 1888K 764K *Name 1 0:00 0.00= % make >> =20 > > =20 >> on still another machine, running Witnesses (all other machines run wi= th a=20 >> lean GENERIC, with most of the debuging features commented out) : >> System call __getcwd returning with the following locks held: >> shared rw Name Cache (Name Cache) r =3D 0 (0xc0ee7e1c) locked=20 >> @ /usr/src/sys/kerne/vfs_cache.c:974 >> =20 > > This is definitely related to: > SVN rev 190655 on 2009-04-02 21:16:20Z by peter > (peter@ CCed) > > =20 >> panic: witness_warn >> cpuid =3D 0 >> KDB: enter: panic >> =20 > > > WBR > =20 Is there a fix in sight soon? I do have this error/fault/lockup now on ALL FreeBSD 8.0-CURRENT/amd64 machines I have. Regards, Oliver
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?49D88435.30900>