panic on exit; KDB "ps" cmd says "oops, ran out of processes
early!"
Jeff Roberson
jroberson at chesapeake.net
Tue Mar 11 16:06:57 PDT 2008
On Tue, 11 Mar 2008, David Wolfskill wrote:
> I noticed this on my laptop, running HEAD as of this monring, while
> exiting a run of bsd-airtools (that had been built under RELENG_6; I
> have misc/compat6x installed).
>
> I just re-created it on exit of firefox (also built under RELENG_6, if
> that's relevant -- indeed, all of the ports except misc/compat6x were
> built under RELENG_6).
>
Are any of these compat binaries using kse? If so I believe I know the
problem. That cpuset_rel() call needs an "if (td->td_cpuset != NULL)" in
front of it for kse. If you can confirm that kse was the problem I'll
commit a fix for that.
Thanks,
Jeff
> Following is cut/paste from my laptop's serial console; the whine about
> "oops, ran out of processes early!" is near the end:
>
> /boot/kernel/acpi.ko text=0x53fcc data=0x25e0+0x186c syms=[0x4+0x8a20+0x4+0xbbc7]
> GDB: no debug ports present
> KDB: debugger backends: ddb
> KDB: current backend: ddb
> SMAP type=01 base=0000000000000000 len=000000000009fc00
> SMAP type=02 base=000000000009fc00 len=0000000000000400
> SMAP type=01 base=0000000000100000 len=000000003fee2800
> SMAP type=02 base=000000003ffe2800 len=000000000001d800
> SMAP type=02 base=00000000feda0000 len=0000000000060000
> SMAP type=02 base=00000000ffb80000 len=0000000000480000
> Copyright (c) 1992-2008 The FreeBSD Project.
> Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
> The Regents of the University of California. All rights reserved.
> FreeBSD is a registered trademark of The FreeBSD Foundation.
> FreeBSD 8.0-CURRENT #710: Tue Mar 11 07:44:13 PDT 2008
> root at g1-37.catwhisker.org:/common/S4/obj/usr/src/sys/CANARY
> WARNING: WITNESS option enabled, expect reduced performance.
> Preloaded elf kernel "/boot/kernel/kernel" at 0xc0e10000.
> Preloaded elf module "/boot/kernel/linux.ko" at 0xc0e1014c.
> Preloaded elf module "/boot/kernel/if_an.ko" at 0xc0e101f8.
> Preloaded elf module "/boot/kernel/acpi.ko" at 0xc0e102a4.
> Calibrating clock(s) ... i8254 clock: 1193185 Hz
> CLK_USE_I8254_CALIBRATION not specified - using default frequency
> Timecounter "i8254" frequency 1193182 Hz quality 0
> Calibrating TSC clock ... TSC clock: 2392952788 Hz
> CPU: Mobile Intel(R) Pentium(R) 4 - M CPU 2.40GHz (2392.95-MHz 686-class CPU)
> Origin = "GenuineIntel" Id = 0xf27 Stepping = 7
> Features=0xbfebf9ff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE>
> Features2=0x400<CNXT-ID>
>
> Instruction TLB: 4 KB, 2 MB or 4 MB pages, fully associative, 128 entries
> Data TLB: 4 KB or 4 MB pages, fully associative, 64 entries
> 1st-level data cache: 8 KB, 4-way set associative, sectored cache, 64 byte line size
> Trace cache: 12K-uops, 8-way set associative
> 2nd-level cache: 512 KB, 8-way set associative, sectored cache, 64 byte line size
> real memory = 1073618944 (1023 MB)
> Physical memory chunk(s):
> 0x0000000000001000 - 0x000000000009efff, 647168 bytes (158 pages)
> 0x0000000000100000 - 0x00000000003fffff, 3145728 bytes (768 pages)
> 0x0000000001025000 - 0x000000003ee99fff, 1038569472 bytes (253557 pages)
> avail memory = 1038028800 (989 MB)
> ...
> lock order reversal:
> 1st 0xc4154e28 devfs (devfs) @ /usr/src/sys/kern/vfs_subr.c:2063
> 2nd 0xc4263294 devfsmount (devfsmount) @ /usr/src/sys/fs/devfs/devfs_vnops.c:201
> KDB: stack backtrace:
> db_trace_self_wrapper(c0ac4e80,e2886bbc,c078235e,c0ac73a9,c4263294,...) at db_trace_self_wrapper+0x26
> kdb_backtrace(c0ac73a9,c4263294,c0ab8850,c0ab8850,c0ab8891,...) at kdb_backtrace+0x29
> witness_checkorder(c4263294,9,c0ab8891,c9,c7,...) at witness_checkorder+0x6de
> _sx_xlock(c4263294,0,c0ab8891,c9,c4263294,...) at _sx_xlock+0x7d
> devfs_allocv(c424c080,c4265000,e2886c28,c3e22d20,c0acd19c,...) at devfs_allocv+0x144
> devfs_root(c4265000,2,c0c251d8,c3e22d20,ca,...) at devfs_root+0x51
> set_rootvnode(c0c251c0,0,c0acd19c,5f4,c07c02f0,...) at set_rootvnode+0x2b
> vfs_mountroot(c0bd3090,4,c0abcce6,262,0,...) at vfs_mountroot+0x356
> start_init(0,e2886d38,c0abe65b,30c,c3e20ab0,...) at start_init+0x65
> fork_exit(c070f200,0,e2886d38) at fork_exit+0xb8
> fork_trampoline() at fork_trampoline+0x8
> --- trap 0, eip = 0, esp = 0xe2886d70, ebp = 0 ---
> Trying to mount root from ufs:/dev/ad0s4a
> lock order reversal:
> 1st 0xc41549e8 ufs (ufs) @ /usr/src/sys/kern/vfs_subr.c:2063
> 2nd 0xc4265000 vfslock (vfslock) @ /usr/src/sys/kern/vfs_subr.c:364
> KDB: stack backtrace:
> db_trace_self_wrapper(c0ac4e80,e28869d8,c078235e,c0ac73a9,c4265000,...) at db_trace_self_wrapper+0x26
> kdb_backtrace(c0ac73a9,c4265000,c0acd29a,c0acd29a,c0acd837,...) at kdb_backtrace+0x29
> witness_checkorder(c4265000,1,c0acd837,16c,e2886a18,...) at witness_checkorder+0x6de
> _lockmgr_args(c4265000,20001,c4265030,0,ffffffff,...) at _lockmgr_args+0x1d5
> vfs_busy(c4265000,0,0,c3e22d20,e2886b58,...) at vfs_busy+0x1b0
> lookup(e2886b44,c0accf4a,c6,bf,c3dee82c,...) at lookup+0x7bf
> namei(e2886b44,c4265030,1c1,c0acd19c,e2886b54,...) at namei+0x34b
> kern_unlink(c3e22d20,c0acd5d9,1,62f,0,...) at kern_unlink+0x40
> vfs_mountroot_try(c0acd793,c0abba07,c0ab4fac,1,c07c02f0,...) at vfs_mountroot_try+0x470
> vfs_mountroot(c0bd3090,4,c0abcce6,262,0,...) at vfs_mountroot+0x418
> start_init(0,e2886d38,c0abe65b,30c,c3e20ab0,...) at start_init+0x65
> fork_exit(c070f200,0,e2886d38) at fork_exit+0xb8
> fork_trampoline() at fork_trampoline+0x8
> --- trap 0, eip = 0, esp = 0xe2886d70, ebp = 0 ---
> start_init: trying /sbin/init
> lock order reversal:
> 1st 0xc3e26044 user map (user map) @ /usr/src/sys/vm/vm_map.c:3111
> 2nd 0xc41547c8 ufs (ufs) @ /usr/src/sys/kern/vfs_subr.c:2063
> KDB: stack backtrace:
> db_trace_self_wrapper(c0ac4e80,e28869c4,c078235e,c0ac73a9,c41547c8,...) at db_trace_self_wrapper+0x26
> kdb_backtrace(c0ac73a9,c41547c8,c0abc2ba,c0abc2ba,c0acd837,...) at kdb_backtrace+0x29
> witness_checkorder(c41547c8,1,c0acd837,80f,e28869e8,...) at witness_checkorder+0x6de
> _lockmgr_args(c41547c8,30041,c41547f8,0,ffffffff,...) at _lockmgr_args+0x1d5
> ffs_lock(e2886a78,c073a2cd,c0bde394,30041,c4154770,...) at ffs_lock+0xa3
> VOP_LOCK1_APV(c0b9b760,e2886a78,c0abba05,3,c41547f8,...) at VOP_LOCK1_APV+0xa5
> _vn_lock(c4154770,30041,c0acd837,80f,0,...) at _vn_lock+0xf7
> vget(c4154770,30041,c3e22d20,4a9,c1460580,...) at vget+0x10b
> vnode_pager_lock(c1460400,0,c0ae55b6,127,e2886be8,...) at vnode_pager_lock+0x1ad
> vm_fault(c3e26000,80d3000,2,8,80d3a20,...) at vm_fault+0x1df
> trap_pfault(5,0,c0af1f43,2c8,c3e20ab0,...) at trap_pfault+0x118
> trap(e2886d38) at trap+0x267
> calltrap() at calltrap+0x6
> --- trap 0xc, eip = 0x80480e5, esp = 0xbfbfeef0, ebp = 0xbfbfef10 ---
> xl0: link state changed to DOWN
> lock order reversal:
> 1st 0xc4377c08 pseudofs (pseudofs) @ /usr/src/sys/kern/vfs_subr.c:2063
> 2nd 0xc4382538 vfslock (vfslock) @ /usr/src/sys/kern/vfs_subr.c:364
> KDB: stack backtrace:
> db_trace_self_wrapper(c0ac4e80,e6582a18,c078235e,c0ac73a9,c4382538,...) at db_trace_self_wrapper+0x26
> kdb_backtrace(c0ac73a9,c4382538,c0acd29a,c0acd29a,c0acd837,...) at kdb_backtrace+0x29
> witness_checkorder(c4382538,1,c0acd837,16c,e6582a58,...) at witness_checkorder+0x6de
> _lockmgr_args(c4382538,20001,c4382568,0,ffffffff,...) at _lockmgr_args+0x1d5
> vfs_busy(c4382538,10,0,c3f6a690,8,...) at vfs_busy+0x1b0
> vfs_donmount(810f080,c,e6582c70,c4274580,810be68,...) at vfs_donmount+0xdb5
> nmount(c3f6a690,e6582cfc,c,c0ac8065,c0b7b4f0,...) at nmount+0xb2
> syscall(e6582d38) at syscall+0x2b3
> Xint0x80_syscall() at Xint0x80_syscall+0x20
> --- syscall (378, FreeBSD ELF32, nmount), eip = 0x280d715b, esp = 0xbfbfe96c, ebp = 0xbfbfedb8 ---
> drm0: <ATI Radeon Lf RV250 Mobility 9000 M9 / FireMV 2400 PCI> on vgapci0
> info: [drm] AGP at 0xe8000000 64MB
> info: [drm] Initialized radeon 1.25.0 20060524
> vgapci0: Reserved 0x10000 bytes for rid 0x18 type 3 at 0xfcff0000
> vgapci0: Reserved 0x8000000 bytes for rid 0x10 type 3 at 0xe0000000
> agp0: Setting AGP v2 mode 4
> info: [drm] Setting GART location based on new memory map
> info: [drm] Loading R200 Microcode
> info: [drm] writeback test succeeded in 1 usecs
> drm0: [MPSAFE]
> drm0: [ITHREAD]
>
> FreeBSD/i386 (localhost) (ttyd0)
>
> login: [thread pid 1326 tid 100097 ]
> Stopped at cpuset_rel+0x17: lock xaddl %eax,0x4(%esi)
> db> bt
> Tracing pid 1326 tid 100097 td 0xc4719af0
> cpuset_rel(0,c0ac0bbd,f4,c494dd20,e6958bac,...) at cpuset_rel+0x17
> thread_free(c494dd20,0,c0ac2ffd,131,c4602690,...) at thread_free+0x15
> thread_reap(c4446a00,0,c0ac2ffd,210) at thread_reap+0xc0
> thread_wait(c4448804,ffffffff,0,2f7,0,...) at thread_wait+0x11c
> kern_wait(c4719af0,ffffffff,e6958c2c,2,0,...) at kern_wait+0x65b
> wait4(c4719af0,e6958cfc,10,c0ac7c4b,c0b79228,...) at wait4+0x3b
> syscall(e6958d38) at syscall+0x2b3
> Xint0x80_syscall() at Xint0x80_syscall+0x20
> --- syscall (7, FreeBSD ELF32, wait4), eip = 0x2814713b, esp = 0xbfbfe34c, ebp = 0xbfbfe368 ---
> db> ps
> pid ppid pgrp uid state wmesg wchan cmd
> 1337 1032 1032 80 S accept 0xc43e7c5a httpd
> 1335 1032 1032 80 S accept 0xc43e7c5a httpd
> 1332 1 1270 1001 S select 0xc4611428 gconfd-2
> 1326 1322 1270 1001 R CPU 0 sh
> 1322 1 1270 1001 S wait 0xc46e02ac sh
> 1278 1271 1278 1001 Ss+ ttyin 0xc422d810 csh
> 1277 1264 1277 1001 Ss+ ttyin 0xc407b810 csh
> 1271 1217 1217 1001 S select 0xc4610ca8 xterm
> 1270 1217 1270 1001 S select 0xc421e5a8 piewm
> 1268 1217 1268 1001 S select 0xc4610aa8 oclock
> 1267 1217 1267 1001 S select 0xc4610728 ical-2.2
> 1264 1217 1264 1001 S select 0xc4263128 xterm
> 1257 1217 1257 1001 S select 0xc4610be8 xbattbar
> 1256 1217 1256 1001 S nanslp 0xc0bd3804 xautolock
> 1235 1 1235 1001 Ss select 0xc42631e8 ssh-agent
> 1217 1155 1217 1001 Ss pause 0xc46df5b8 csh
> 1214 1 1214 0 Ss+ ttyin 0xc406b010 getty
> 1171 1137 1171 1001 S+ ttyin 0xc407f010 csh
> 1155 1151 1155 0 Ss wait 0xc45fc2ac xdm
> 1154 1151 1154 0 Rs Xorg
> 1151 1144 1 0 S pause 0xc4449864 xdm
> 1144 1 1 0 S wait 0xc45fcab0 sh
> 1143 1 1143 0 Ss+ ttyin 0xc407fc10 getty
> 1142 1 1142 0 Ss+ ttyin 0xc407ec10 getty
> 1141 1 1141 0 Ss+ ttyin 0xc407d810 getty
> 1140 1 1140 0 Ss+ ttyin 0xc407dc10 getty
> 1139 1 1139 0 Ss+ ttyin 0xc4080410 getty
> 1138 1 1138 0 Ss+ ttyin 0xc4078010 getty
> 1137 1 1137 0 Ss+ wait 0xc44492ac login
> 1136 1 1136 0 Ss+ ttyin 0xc4074810 getty
> 1094 1 1094 0 Rs moused
> 1067 1 1067 0 Ss nanslp 0xc0bd3804 cron
> 1062 1032 1032 80 S accept 0xc43e7c5a httpd
> 1061 1032 1032 80 S accept 0xc43e7c5a httpd
> 1060 1032 1032 80 S accept 0xc43e7c5a httpd
> 1059 1032 1032 80 S accept 0xc43e7c5a httpd
> 1058 1032 1032 80 S accept 0xc43e7c5a httpd
> 1056 1 1056 25 Ss pause 0xc444830c sendmail
> 1050 1 1050 0 Ss select 0xc421e7a8 sendmail
> 1044 1 1044 0 Ss select 0xc40864e8 sshd
> 1032 1 1032 0 Ss select 0xc421ede8 httpd
> 959 1 959 0 Ss select 0xc42633e8 powerd
> 905 1 903 0 S select 0xc4086d28 snmpd
> 888 883 883 0 S - 0xc43ac000 nfsd
> 887 883 883 0 S - 0xc43ac400 nfsd
> 886 883 883 0 S - 0xc43ac600 nfsd
> 885 883 883 0 S - 0xc43ac800 nfsd
> 883 1 883 0 Ss select 0xc421eae8 nfsd
> 874 1 874 0 Ss select 0xc421e728 mountd
> 843 1 843 0 Ss select 0xc4262ae8 rpcbind
> 824 1 824 0 Ss select 0xc4263268 syslogd
> 792 0 0 0 SL mdwait 0xc439a800 [md0]
> 729 1 729 0 Ss select 0xc421d0e8 devd
> 34 0 0 0 SL sdflush 0xc0c30d70 [softdepflush]
> 33 0 0 0 SL vlruwt 0xc423b558 [vnlru]
> 32 0 0 0 SL syncer 0xc0bd362c [syncer]
> 31 0 0 0 SL psleep 0xc0c24fc4 [bufdaemon]
> 30 0 0 0 SL pgzero 0xc0c31960 [pagezero]
> 29 0 0 0 SL psleep 0xc0c3157c [vmdaemon]
> 28 0 0 0 SL psleep 0xc0c31544 [pagedaemon]
> 27 0 0 0 SL - 0xc41a0700 [dummynet]
> 26 0 0 0 SL waiting_ 0xc0c2724c [sctp_iterator]
> 25 0 0 0 SL tzpoll 0xc0df8f80 [acpi_thermal]
> 24 0 0 0 SL - 0xc405763c [fdc0]
> 23 0 0 0 SL cbb cv 0xc3f11bf0 [cbb2 event thread]
> 22 0 0 0 SL - 0xc3f76000 [fw0_probe]
> 21 0 0 0 SL - 0xc3f5b280 [fw0_taskq]
> 20 0 0 0 SL cbb cv 0xc3f0f3f0 [cbb1 event thread]
> 19 0 0 0 SL cbb cv 0xc3f113f0 [cbb0 event thread]
> 18 0 0 0 SL usbevt 0xc3f53210 [usb1]
> 17 0 0 0 SL usbtsk 0xc0bd0ed4 [usbtask-dr]
> 16 0 0 0 SL usbtsk 0xc0bd0ec0 [usbtask-hc]
> 15 0 0 0 SL usbevt 0xc3f1b210 [usb0]
> 14 0 0 0 SL - 0xc3e7c580 [kqueue taskq]
> 9 0 0 0 SL - 0xc3e7c800 [thread taskq]
> 8 0 0 0 SL - 0xc3e7c880 [acpi_task_2]
> 7 0 0 0 SL - 0xc3e7c880 [acpi_task_1]
> 6 0 0 0 SL - 0xc3e7c880 [acpi_task_0]
> 5 0 0 0 SL ccb_scan 0xc0bb4014 [xpt_thrd]
> 13 0 0 0 SL - 0xc0bd3634 [yarrow]
> 4 0 0 0 SL - 0xc0bd162c [g_down]
> 3 0 0 0 SL - 0xc0bd1628 [g_up]
> 2 0 0 0 SL - 0xc0bd1620 [g_event]
> 12 0 0 0 WL (threaded) intr
> 100039 I [irq7: ppbus0 ppc0]
> 100037 I [swi0: sio]
> 100035 I [irq12: psm0]
> 100034 I [irq1: atkbd0]
> 100033 I [irq15: ata1]
> 100032 I [irq14: ata0]
> 100022 I [irq11: cbb0 cbb1+*]
> 100021 I [irq9: pcm0 acpi0]
> 100019 I [swi6: task queue]
> 100018 I [swi6: Giant taskq]
> 100013 I [swi5: +]
> 100012 I [swi2: cambio]
> 100006 I [swi3: vm]
> 100005 I [swi4: clock sio]
> 100004 I [swi1: net]
> 11 0 0 0 RL [idle: cpu0]
> 1 0 1 0 SLs wait 0xc3e20ab0 [init]
> 10 0 0 0 SL audit_wo 0xc0c307cc [audit]
> 0 0 0 0 WLs [swapper]
> oops, ran out of processes early!
> db> show locks
> db> show pcpu
> cpuid = 0
> curthread = 0xc4719af0: pid 1326 "sh"
> curpcb = 0xe6958d90
> fpcurthread = none
> idlethread = 0xc3e22af0: pid 11 "idle: cpu0"
> APIC ID = 0
> currentldt = 0x50
> spin locks held:
> db>
>
> I don't need to use my laptop while I'm at work, so I can poke at it in
> other ways if I get a clue what to do.
>
> This sort of thing did not happen when I ran some smallish programs
> from vty1 (logged in (/bin/csh); used RCS co & ci commands; used
> vi(1) to edit /etc/ttys; sent a SIGHUP to init).
>
> Peace,
> david
> --
> David H. Wolfskill david at catwhisker.org
> I submit that "conspiracy" would be an appropriate collective noun for cats.
>
> See http://www.catwhisker.org/~david/publickey.gpg for my public key.
>
More information about the freebsd-current
mailing list