From owner-freebsd-current Wed Aug 4 23:26:12 1999 Delivered-To: freebsd-current@freebsd.org Received: from bilby.prth.tensor.pgs.com (bilby.prth.tensor.pgs.com [157.147.232.237]) by hub.freebsd.org (Postfix) with ESMTP id E490414E0A for ; Wed, 4 Aug 1999 23:26:01 -0700 (PDT) (envelope-from shocking@ariadne.prth.tensor.pgs.com) Received: from bandicoot.prth.tensor.pgs.com (bandicoot.prth.tensor.pgs.com [157.147.224.1]) by bilby.prth.tensor.pgs.com (8.9.3/8.8.8) with ESMTP id OAA28385; Thu, 5 Aug 1999 14:24:03 +0800 (WST) Received: from ariadne.tensor.pgs.com (ariadne [157.147.227.36]) by bandicoot.prth.tensor.pgs.com (8.9.3/8.8.8) with SMTP id OAA08100; Thu, 5 Aug 1999 14:25:26 +0800 (WST) Received: from ariadne by ariadne.tensor.pgs.com (SMI-8.6/SMI-SVR4) id OAA20277; Thu, 5 Aug 1999 14:25:27 +0800 Message-Id: <199908050625.OAA20277@ariadne.tensor.pgs.com> X-Mailer: exmh version 2.0.2 2/24/98 To: Matthew Dillon Cc: shocking@bandicoot.prth.tensor.pgs.com, current@freebsd.org Subject: Re: Interesting NFS hangs under current In-reply-to: Your message of "Wed, 04 Aug 1999 23:10:49 MST." <199908050610.XAA33711@apollo.backplane.com> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable Date: Thu, 05 Aug 1999 14:25:26 +0800 From: Stephen Hocking-Senior Programmer PGS Tensor Perth Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG > Could you print out *p and *uap in frame 18? > = > frame 18 > print *p > print *uap > = > Also, do: > = > ps -axl -N /sys/compile/bleep/kernel.debug -M /var/crash/vmcore.2 > = > This is very odd. There is no way it should be looping in superviso= r > mode in that call chain. > = No sooner received than done.... (kgdb) frame 18 #18 0xc01ef2d6 in mmap (p=3D0xc5e49020, uap=3D0xc5f45f80) at ../../vm/vm_= mmap.c:330 330 error =3D vm_mmap(&p->p_vmspace->vm_map, &addr, size, pro= t, maxprot, (kgdb) print *p $2 =3D {p_procq =3D {tqe_next =3D 0xc0290ed0, tqe_prev =3D 0x0}, p_list =3D= { le_next =3D 0xc5e492e0, le_prev =3D 0xc0290f60}, p_cred =3D 0xc0a42b2= 0, = p_fd =3D 0xc0a23c80, p_stats =3D 0xc5f44230, p_limit =3D 0xc099a600, = p_upages_obj =3D 0xc5ea59c4, p_procsig =3D 0xc0a3eaa0, p_flag =3D 16388= , = p_stat =3D 2 '\002', p_pad1 =3D "\000\000", p_pid =3D 4672, p_hash =3D = { le_next =3D 0xc5e4a8e0, le_prev =3D 0xc05ad780}, p_pglist =3D {le_nex= t =3D 0x0, = le_prev =3D 0xc0a42ae8}, p_pptr =3D 0xc58c6ec0, p_sibling =3D {le_nex= t =3D 0x0, = le_prev =3D 0xc58c6f10}, p_children =3D {lh_first =3D 0x0}, p_ithandl= e =3D { callout =3D 0xc1b86108}, p_oppid =3D 0, p_dupfd =3D 0, p_vmspace =3D = 0xc5e4cec0, = p_estcpu =3D 1502, p_cpticks =3D 1247, p_pctcpu =3D 1791, p_wchan =3D 0= x0, = p_wmesg =3D 0x0, p_swtime =3D 20, p_slptime =3D 0, p_realtimer =3D {it_= interval =3D { tv_sec =3D 0, tv_usec =3D 0}, it_value =3D {tv_sec =3D 0, tv_usec =3D= 0}}, = p_runtime =3D 10333, p_uticks =3D 0, p_sticks =3D 2437, p_iticks =3D 19= 91, = p_traceflag =3D 0, p_tracep =3D 0x0, p_siglist =3D 0, p_textvp =3D 0xc5= dfbcc0, = p_lock =3D 0 '\000', p_oncpu =3D 0 '\000', p_lastcpu =3D 0 '\000', = p_pad2 =3D 0 '\000', p_locks =3D 0, p_simple_locks =3D 0, p_stops =3D 0= , = p_stype =3D 0, p_step =3D 0 '\000', p_pfsflags =3D 0 '\000', p_pad3 =3D= "\000", = p_retval =3D {0, 6}, p_sigiolst =3D {slh_first =3D 0x0}, p_sigparent =3D= 20, = p_oldsigmask =3D 0, p_sig =3D 0, p_code =3D 0, p_sigmask =3D 0, = p_priority =3D 127 '\177', p_usrpri =3D 127 '\177', p_nice =3D 0 '\000'= , = p_comm =3D "rpc.rstatd\000\000\000\000\000\000", p_pgrp =3D 0xc0a42ae0,= = p_sysent =3D 0xc025bbc0, p_rtprio =3D {type =3D 1, prio =3D 0}, p_priso= n =3D 0x0, = p_addr =3D 0xc5f44000, p_md =3D {md_regs =3D 0xc5f45fa8}, p_xstat =3D 0= , = ---Type to continue, or q to quit--- p_acflag =3D 2, p_ru =3D 0x0, p_nthreads =3D 0, p_aioinfo =3D 0x0, p_wa= keup =3D 0, = p_peers =3D 0x0, p_leader =3D 0xc5e49020, p_asleep =3D {as_priority =3D= 0, = as_timo =3D 0}, p_emuldata =3D 0x0} (kgdb) print *uap $3 =3D {addr =3D 0xc07a8180 "", addr_ =3D 0xc0a41744 "=C0\206z=C0\001", = len =3D 3229255360, len_ =3D 0xc0a41748 "\001", prot =3D 65537, = prot_ =3D 0xc0a4174c "\001", flags =3D 1, flags_ =3D 0xc0a41750 "\200>=A2= =C0=C4#&=C0\002", = fd =3D -1063108992, fd_ =3D 0xc0a41754 "=C4#&=C0\002", pad =3D -1071242= 300, = pad_ =3D 0xc0a41758 "\002", pos =3D 17592186044418, pos_ =3D 0xc0a41760= ""} (kgdb) = # ps -axl -N /sys/compile/bleep/kernel.debug -M /var/crash/vmcore.2 UID PID PPID CPU PRI NI VSZ RSS WCHAN STAT TT TIME COMMAN= D 0 259 1 32 10 0 508 0 wait I #C1- 0:00.00 (sh) 88 276 259 0 2 0 11132 0 - R #C1- 0:00.00 (mysq= ld) 0 282 1 32 10 0 512 0 wait I #C1- 0:00.00 (sh) 65534 289 282 0 2 0 3308 0 - R #C1- 0:00.00 (squi= d) 65534 307 289 0 -6 0 756 0 piperd I #C1- 0:00.00 (unli= nkd) 0 3428 3424 0 10 0 608 0 wait Is #C1 0:00.00 (sh) 0 3454 3428 4 10 0 928 0 wait I+ #C1 0:00.00 (make= ) 0 3457 3454 4 10 0 504 0 wait I+ #C1 0:00.00 (sh) 0 3458 3457 5 10 0 920 0 wait I+ #C1 0:00.00 (make= ) 0 3461 3458 5 10 0 504 0 wait I+ #C1 0:00.00 (sh) 0 3462 3461 5 10 0 1176 0 wait I+ #C1 0:00.00 (make= ) 0 3466 3462 5 10 0 508 0 wait I+ #C1 0:00.00 (sh) 0 3467 3466 49 10 0 628 0 wait I+ #C1 0:00.00 (make= ) 0 3534 3467 49 10 0 504 0 wait I+ #C1 0:00.00 (sh) 0 3535 3534 49 10 0 564 0 wait I+ #C1 0:00.00 (make= ) 0 3538 3535 51 10 0 508 0 wait I+ #C1 0:00.00 (sh) 0 3671 3538 54 10 0 392 0 wait I+ #C1 0:00.00 (make= ) 0 3676 3671 29 10 0 508 0 wait I+ #C1 0:00.00 (sh) 0 4659 3676 14 10 0 2712 0 wait I+ #C1 0:00.00 (make= ) 0 4667 4659 14 -2 0 340 0 getblk I+ #C1 0:00.00 (inst= all) 1000 3436 3433 6 10 0 608 0 wait Is #C1 0:00.00 (sh) 1000 3442 3436 0 3 0 1292 0 - R+ #C1 0:00.00 (syst= at) 0 3491 3486 0 3 0 608 0 ttyin Is+ #C1 0:00.00 (sh) 0 325 1 0 3 0 604 0 ttyin Is+ #C9 0:00.00 (sh) 0 327 1 0 3 0 840 0 ttyin Is+ #C2 0:00.00 (gett= y) 1000 326 1 1 10 0 604 0 wait Is #C2 0:00.00 (sh) 0 338 326 0 2 0 1576 0 select I+ #C2 0:00.00 (ssh1= ) 0 0 0 0 -18 0 0 0 - RLs ?? 0:00.00 (swap= per) 0 1 0 0 10 0 500 0 wait ILs ?? 0:00.00 (init= ) 0 2 0 0 -18 0 0 0 - RL ?? 0:00.00 (page= daemon 0 3 0 0 18 0 0 0 psleep DL ?? 0:00.00 (vmda= emon) 0 4 0 0 -18 0 0 0 - RL ?? 0:00.00 (bufd= aemon) 0 5 0 0 18 0 0 0 - RL ?? 0:00.00 (sync= er) 0 32 1 0 18 0 204 0 pause Is ?? 0:00.00 (adjk= erntz) 0 127 1 0 2 0 828 0 - Rs ?? 0:00.00 (sysl= ogd) 0 135 1 0 2 0 1528 0 select Is ?? 0:00.00 (name= d) 1 141 1 0 2 0 836 0 select Is ?? 0:00.00 (port= map) 0 144 1 0 2 0 1512 0 - Rs ?? 0:00.00 (ypse= rv) 0 147 1 0 2 0 832 0 select I ?? 0:00.00 (rpc.= ypxfrd 0 150 1 0 2 0 960 0 select Is ?? 0:00.00 (rpc.= yppass 0 153 1 0 2 0 812 0 select Is ?? 0:00.00 (ypbi= nd) 0 160 1 0 2 0 836 0 select Is ?? 0:00.00 (rpc.= ypupda 0 166 1 0 2 0 516 0 select Is ?? 0:00.00 (moun= td) 0 169 1 0 2 0 316 0 accept Is ?? 0:00.00 (nfsd= ) 0 171 169 0 2 0 296 0 - R ?? 0:00.00 (nfsd= ) 0 172 169 0 2 0 296 0 - R ?? 0:00.00 (nfsd= ) 0 173 169 0 2 0 296 0 - R ?? 0:00.00 (nfsd= ) 0 174 169 0 2 0 296 0 - R ?? 0:00.00 (nfsd= ) 0 177 1 0 2 0 262976 0 select Is ?? 0:00.00 (rpc= =2Estatd) 0 182 1 0 -1 0 208 0 nfsrcv I ?? 0:00.00 (nfsi= od) 0 183 1 0 2 0 208 0 - R ?? 0:00.00 (nfsi= od) 0 184 1 0 10 0 208 0 nfsidl I ?? 0:00.00 (nfsi= od) 0 185 1 0 10 0 208 0 nfsidl I ?? 0:00.00 (nfsi= od) 0 199 1 12 2 0 908 0 select Is ?? 0:00.00 (inet= d) 0 202 1 0 10 0 1000 0 nanslp Is ?? 0:00.00 (cron= ) 0 207 1 0 2 0 1300 0 select Is ?? 0:00.00 (send= mail) 0 242 1 0 2 0 1452 0 - Rs ?? 0:00.00 (ppp)= 8 277 1 1 2 0 17444 0 select Is ?? 0:00.00 (nntp= cached 0 292 1 0 2 0 1248 0 select Is ?? 0:00.00 (sshd= 1) 65534 319 289 5 2 0 992 0 sbwait I ?? 0:00.00 (dnss= erver) 65534 320 289 5 2 0 992 0 sbwait I ?? 0:00.00 (dnss= erver) 65534 321 289 5 2 0 992 0 sbwait I ?? 0:00.00 (dnss= erver) 65534 322 289 5 2 0 992 0 sbwait I ?? 0:00.00 (dnss= erver) 65534 323 289 5 2 0 992 0 sbwait I ?? 0:00.00 (dnss= erver) 65534 324 289 5 2 0 1016 0 select Is ?? 0:00.00 (ftpg= et) 0 351 1 1 -6 0 476 0 vinum Ds ?? 0:00.00 (vinu= m) 0 3424 292 0 2 0 1296 0 select I ?? 0:00.00 (sshd= 1) 0 3433 292 0 2 0 1300 0 select I ?? 0:00.00 (sshd= 1) 0 3486 292 0 2 0 1296 0 - R ?? 0:00.00 (sshd= 1) 0 4672 199 1502 105 0 868 0 - Rs ?? 0:00.00 (rpc= =2Erstatd # = -- = The views expressed above are not those of PGS Tensor. 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