Date: Mon, 26 Jul 1999 01:09:25 -0400 (EDT) From: The Tech-Admin Dude <geniusj@phoenix.unacom.com> To: Biju Susmer <bee@wipinfo.soft.net> Cc: freebsd-bugs@FreeBSD.ORG Subject: Re: "3.2-RELEASE #0" crashed Message-ID: <Pine.BSF.4.10.9907260108510.26440-100000@phoenix.unacom.com> In-Reply-To: <000b01bed719$10eeeb00$88291fac@wipro.tcpn.com>
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37 mb is not much swap for a stress test..
how much physical ram does it have?
On Mon, 26 Jul 1999, Biju Susmer wrote:
> Hi,=20
>=20
> The following program caused my system to crash and reboot. I was
> doing a stress test on my machine by keeping it 200% busy... My uid is=20
> 1001 [not root ;) ]. I attached all details which i think may be useful.
> The system has swap of 37MB on /dev/wd0s2b.
>=20
> Category: kern
> Sev: serious
> Pri: High
> Class: sw_bug
>=20
> 3 out of 6 times it rebooted. In all cases, the message "swap_pager: out =
of swap space" was repeated at least 7 times. The messages generated were d=
ifferent.=20
> * first time i could not catch (un-expected)
> * second and third time it showed some thing, and gave me 15 seconds, b=
ut i could not do anything. I remember it is some thing "de allocated many =
times" or so. PLEASE TELL ME HOW CAN I CATCH THE MESSAGES IF I WANT TO GIVE=
IT TO U!!
>=20
> The rest 3 times, it went to some loop, i believe. Nothing worked. The ch=
ars i typed were echod on the terminal in which i started the program. Also=
switching screens (v0-v2) were fine, but nothing echod on those screens. I=
ntr or quit char didn't have any effect. at last after one minute i resette=
d.
>=20
> i tried changing kern.securelevel to 2 but that also didn't help.
>=20
> Ask me if u need more information.
>=20
> thanks,
>=20
> -bee
>=20
>=20
>=20
> $ cat crash.c
> /* program to create "out of CPU" error */
> #include<sys/types.h>
> #include<unistd.h>
>=20
> main()
> {
> =09while(1)
> =09=09if(fork()< 0) /* multiply... */
> =09=09=09while(1); /* if no more processes, eat up CPU */
> }
>=20
> $ uname -a
> FreeBSD bash 3.2-RELEASE FreeBSD 3.2-RELEASE #0: Tue May 18 04:05:08 GMT =
1999 jkh@cathair:/usr/src/sys/compile/GENERIC i386
>=20
>=20
> $ sysctl -a
> kern.ostype: FreeBSD
> kern.osrelease: 3.2-RELEASE
> kern.osrevision: 199506
> kern.version: FreeBSD 3.2-RELEASE #0: Tue May 18 04:05:08 GMT 1999
> jkh@cathair:/usr/src/sys/compile/GENERIC
>=20
> kern.maxvnodes: 1362
> kern.maxproc: 532
> kern.maxfiles: 1064
> kern.argmax: 65536
> kern.securelevel: -1
> kern.hostname: bash
> kern.hostid: 0
> kern.clockrate: { hz =3D 100, tick =3D 10000, tickadj =3D 5, profhz =3D 1=
024, stathz =3D 128 }
> kern.posix1version: 199009
> kern.ngroups: 16
> kern.job_control: 1
> kern.saved_ids: 0
> kern.boottime: { sec =3D 932909434, usec =3D 851781 } Sun Jul 25 19:00:34=
1999
> kern.domainname:=20
> kern.osreldate: 320001
> kern.bootfile: /kernel
> kern.maxfilesperproc: 1064
> kern.maxprocperuid: 531
> kern.dumpdev: { major =3D 255, minor =3D -65281 }
> kern.ipc.maxsockbuf: 262144
> kern.ipc.sockbuf_waste_factor: 8
> kern.ipc.somaxconn: 128
> kern.ipc.max_linkhdr: 16
> kern.ipc.max_protohdr: 40
> kern.ipc.max_hdr: 56
> kern.ipc.max_datalen: 40
> kern.ipc.nmbclusters: 1024
> kern.ipc.maxsockets: 1064
> kern.dummy: 0
> kern.ps_strings: -1077944336
> kern.usrstack: -1077944320
> kern.logsigexit: 1
> kern.cam.cd.changer.min_busy_seconds: 5
> kern.cam.cd.changer.max_busy_seconds: 15
> kern.module_path: /;/boot/;/modules/
> kern.acct_suspend: 2
> kern.acct_resume: 4
> kern.acct_chkfreq: 15
> kern.timecounter.method: 0
> kern.fast_vfork: 1
> kern.ntp_pll.mult: 0
> kern.ntp_pll.div: 0
> kern.sugid_coredump: 0
> kern.corefile: %N.core
> kern.quantum: 10
> kern.ccpu: 1948
> kern.fscale: 2048
> kern.devstat.numdevs: 2
> kern.devstat.generation: 2
> kern.devstat.version: 3
> kern.consmute: 0
> vm.loadavg: { 0.02 0.04 0.01 }
> vm.v_free_min: 133
> vm.v_free_target: 384
> vm.v_free_reserved: 118
> vm.v_inactive_target: 576
> vm.v_cache_min: 384
> vm.v_cache_max: 768
> vm.v_pageout_free_min: 34
> vm.pageout_algorithm: 0
> vm.swap_enabled: 1
> vm.swap_idle_threshold1: 2
> vm.swap_idle_threshold2: 10
> vm.stats.sys.v_swtch: 3764
> vm.stats.sys.v_trap: 9440
> vm.stats.sys.v_syscall: 23506
> vm.stats.sys.v_intr: 113955
> vm.stats.sys.v_soft: 2701
> vm.stats.vm.v_vm_faults: 10998
> vm.stats.vm.v_cow_faults: 4352
> vm.stats.vm.v_cow_optim: 654
> vm.stats.vm.v_zfod: 2393
> vm.stats.vm.v_ozfod: 2261
> vm.stats.vm.v_swapin: 0
> vm.stats.vm.v_swapout: 0
> vm.stats.vm.v_swappgsin: 0
> vm.stats.vm.v_swappgsout: 0
> vm.stats.vm.v_vnodein: 205
> vm.stats.vm.v_vnodeout: 0
> vm.stats.vm.v_vnodepgsin: 1472
> vm.stats.vm.v_vnodepgsout: 0
> vm.stats.vm.v_intrans: 1
> vm.stats.vm.v_reactivated: 0
> vm.stats.vm.v_pdwakeups: 0
> vm.stats.vm.v_pdpages: 0
> vm.stats.vm.v_dfree: 0
> vm.stats.vm.v_pfree: 4281
> vm.stats.vm.v_tfree: 9469
> vm.stats.vm.v_page_size: 4096
> vm.stats.vm.v_page_count: 3323
> vm.stats.vm.v_free_reserved: 118
> vm.stats.vm.v_free_target: 384
> vm.stats.vm.v_free_min: 133
> vm.stats.vm.v_free_count: 563
> vm.stats.vm.v_wire_count: 692
> vm.stats.vm.v_active_count: 744
> vm.stats.vm.v_inactive_target: 576
> vm.stats.vm.v_inactive_count: 1315
> vm.stats.vm.v_cache_count: 0
> vm.stats.vm.v_cache_min: 384
> vm.stats.vm.v_cache_max: 768
> vm.stats.vm.v_pageout_free_min: 34
> vm.stats.vm.v_interrupt_free_min: 2
> vm.stats.misc.zero_page_count: 506
> vm.stats.misc.cnt_prezero: 5432
> vm.pageout_stats_max: 384
> vm.pageout_full_stats_interval: 20
> vm.pageout_stats_interval: 5
> vm.pageout_stats_free_max: 5
> vm.swap_idle_enabled: 0
> vm.defer_swapspace_pageouts: 0
> vm.disable_swapspace_pageouts: 0
> vm.max_page_launder: 32
> vm.zone:=20
> ITEM SIZE LIMIT USED FREE REQUESTS
>=20
> PIPE: 160, 0, 2, 100, 29
> unpcb: 64, 0, 3, 125, 3
> ripcb: 96, 1064, 0, 42, 0
> tcpcb: 288, 1064, 7, 21, 5
> udpcb: 96, 1064, 5, 79, 8
> unpcb: 64, 0, 0, 0, 0
> socket: 160, 1064, 16, 34, 22
> AIOLIO: 704, 0, 0, 0, 0
> AIOL: 64, 0, 0, 0, 0
> AIOCB: 128, 0, 0, 0, 0
> AIOP: 32, 0, 0, 0, 0
> AIO: 96, 0, 0, 0, 0
> NFSNODE: 288, 0, 0, 0, 0
> NFSMOUNT: 544, 0, 0, 0, 0
> VNODE: 192, 0, 250, 68, 247
> NAMEI: 1024, 0, 0, 16, 2725
> VMSPACE: 192, 0, 13, 51, 253
> PROC: 352, 0, 16, 42, 256
> DP fakepg: 64, 0, 0, 0, 0
> PV ENTRY: 28, 114586, 1647, 2446, 37469
> MAP ENTRY: 40, 0, 172, 160, 7486
> KMAP ENTRY: 40, 958, 37, 193, 147
> MAP: 100, 0, 7, 3, 7
> VM OBJECT: 136, 0, 319, 57, 4213
> vm.zone_kmem_pages: 8
> vm.zone_kmem_kvaspace: 3817472
> vm.zone_kern_pages: 39
> vfs.nfs.nfs_privport: 0
> vfs.nfs.async: 0
> vfs.nfs.gatherdelay: 10000
> vfs.nfs.gatherdelay_v3: 0
> vfs.nfs.defect: 0
> vfs.nfs.diskless_valid: 0
> vfs.nfs.diskless_rootpath:=20
> vfs.nfs.diskless_swappath:=20
> vfs.nfs.access_cache_timeout: 2
> vfs.nfs.access_cache_hits: 0
> vfs.nfs.access_cache_fills: 0
> vfs.numdirtybuffers: 5
> vfs.lodirtybuffers: 30
> vfs.hidirtybuffers: 60
> vfs.numfreebuffers: 320
> vfs.lofreebuffers: 23
> vfs.hifreebuffers: 46
> vfs.maxbufspace: 1363968
> vfs.bufspace: 1368064
> vfs.maxvmiobufspace: 909312
> vfs.vmiospace: 1016832
> vfs.maxmallocbufspace: 68198
> vfs.bufmallocspace: 60416
> vfs.kvafreespace: 65536
> vfs.cache.numneg: 15
> vfs.cache.numcache: 246
> vfs.cache.numcalls: 5549
> vfs.cache.dothits: 81
> vfs.cache.dotdothits: 3
> vfs.cache.numchecks: 4611
> vfs.cache.nummiss: 1225
> vfs.cache.nummisszap: 15
> vfs.cache.numposzaps: 22
> vfs.cache.numposhits: 4027
> vfs.cache.numnegzaps: 7
> vfs.cache.numneghits: 169
> vfs.cache.numcwdcalls: 18
> vfs.cache.numcwdfail1: 0
> vfs.cache.numcwdfail2: 0
> vfs.cache.numcwdfail3: 0
> vfs.cache.numcwdfail4: 0
> vfs.cache.numcwdfound: 18
> vfs.mod0: 0
> vfs.mod1: 0
> vfs.usermount: 0
> vfs.aio.max_aio_per_proc: 32
> vfs.aio.max_aio_queue_per_proc: 256
> vfs.aio.max_aio_procs: 32
> vfs.aio.num_aio_procs: 0
> vfs.aio.num_queue_count: 0
> vfs.aio.max_aio_queue: 1024
> vfs.aio.target_aio_procs: 0
> vfs.aio.max_buf_aio: 16
> vfs.aio.num_buf_aio: 0
> vfs.aio.aiod_lifetime: 3000
> vfs.aio.aiod_timeout: 1000
> vfs.ffs.doreallocblks: 1
> vfs.ffs.doasyncfree: 1
> net.local.stream.sendspace: 8192
> net.local.stream.recvspace: 8192
> net.local.dgram.maxdgram: 2048
> net.local.dgram.recvspace: 4096
> net.local.inflight: 0
> net.inet.ip.portrange.lowfirst: 1023
> net.inet.ip.portrange.lowlast: 600
> net.inet.ip.portrange.first: 1024
> net.inet.ip.portrange.last: 5000
> net.inet.ip.portrange.hifirst: 49152
> net.inet.ip.portrange.hilast: 65535
> net.inet.ip.forwarding: 0
> net.inet.ip.redirect: 1
> net.inet.ip.ttl: 64
> net.inet.ip.rtexpire: 3600
> net.inet.ip.rtminexpire: 10
> net.inet.ip.rtmaxcache: 128
> net.inet.ip.sourceroute: 0
> net.inet.ip.intr_queue_maxlen: 50
> net.inet.ip.intr_queue_drops: 0
> net.inet.ip.accept_sourceroute: 0
> net.inet.ip.fastforwarding: 0
> net.inet.ip.subnets_are_local: 0
> net.inet.icmp.maskrepl: 0
> net.inet.icmp.icmplim: -1
> net.inet.icmp.bmcastecho: 0
> net.inet.tcp.rfc1323: 0
> net.inet.tcp.rfc1644: 0
> net.inet.tcp.mssdflt: 512
> net.inet.tcp.rttdflt: 3
> net.inet.tcp.keepidle: 14400
> net.inet.tcp.keepintvl: 150
> net.inet.tcp.sendspace: 16384
> net.inet.tcp.recvspace: 16384
> net.inet.tcp.keepinit: 150
> net.inet.tcp.log_in_vain: 0
> net.inet.tcp.delayed_ack: 1
> net.inet.tcp.pcbcount: 7
> net.inet.tcp.always_keepalive: 0
> net.inet.udp.checksum: 1
> net.inet.udp.maxdgram: 9216
> net.inet.udp.recvspace: 41600
> net.inet.udp.log_in_vain: 0
> net.inet.raw.maxdgram: 8192
> net.inet.raw.recvspace: 8192
> net.link.generic.system.ifcount: 5
> net.link.ether.inet.prune_intvl: 300
> net.link.ether.inet.max_age: 1200
> net.link.ether.inet.host_down_time: 20
> net.link.ether.inet.maxtries: 5
> net.link.ether.inet.useloopback: 1
> net.link.ether.inet.proxyall: 0
> debug.elf_trace: 0
> debug.fdexpand: 4
> debug.ttydebug: 0
> debug.nchash: 2047
> debug.ncnegfactor: 16
> debug.numneg: 15
> debug.numcache: 246
> debug.vfscache: 1
> debug.vnsize: 164
> debug.ncsize: 36
> debug.numvnodes: 250
> debug.wantfreevnodes: 25
> debug.freevnodes: 24
> debug.disablecwd: 0
> debug.if_tun_debug: 0
> debug.ncr_debug: 0
> hw.machine: i386
> hw.model: Pentium/P55C
> hw.ncpu: 1
> hw.byteorder: 1234
> hw.physmem: 13864960
> hw.usermem: 11034624
> hw.pagesize: 4096
> hw.floatingpoint: 1
> hw.machine_arch: i386
> hw.availpages: 3225
> machdep.consdev: { major =3D 0, minor =3D 0 }
> machdep.adjkerntz: -19800
> machdep.disable_rtc_set: 0
> machdep.wall_cmos_clock: 1
> machdep.do_dump: 1
> machdep.ispc98: 0
> machdep.msgbuf:=20
> machdep.msgbuf_clear: 0
> machdep.uc_devlist: $
> machdep.uc_pnplist:=20
> machdep.i8254_freq: 1193182
> machdep.tsc_freq: 233865384
> machdep.cs_recv_delay: 570
> machdep.conspeed: 9600
> user.cs_path: /usr/bin:/bin:/usr/sbin:/sbin:
> user.bc_base_max: 99
> user.bc_dim_max: 2048
> user.bc_scale_max: 99
> user.bc_string_max: 1000
> user.coll_weights_max: 0
> user.expr_nest_max: 32
> user.line_max: 2048
> user.re_dup_max: 255
> user.posix2_version: 199212
> user.posix2_c_bind: 0
> user.posix2_c_dev: 0
> user.posix2_char_term: 0
> user.posix2_fort_dev: 0
> user.posix2_fort_run: 0
> user.posix2_localedef: 0
> user.posix2_sw_dev: 0
> user.posix2_upe: 0
> user.stream_max: 20
> user.tzname_max: 255
> p1003_1b.asynchronous_io: 0
> p1003_1b.mapped_files: 0
> p1003_1b.memlock: 0
> p1003_1b.memlock_range: 0
> p1003_1b.memory_protection: 0
> p1003_1b.message_passing: 0
> p1003_1b.prioritized_io: 0
> p1003_1b.priority_scheduling: 0
> p1003_1b.realtime_signals: 0
> p1003_1b.semaphores: 0
> p1003_1b.fsync: 0
> p1003_1b.shared_memory_objects: 0
> p1003_1b.synchronized_io: 0
> p1003_1b.timers: 0
> p1003_1b.aio_listio_max: 0
> p1003_1b.aio_max: 0
> p1003_1b.aio_prio_delta_max: 0
> p1003_1b.delaytimer_max: 0
> p1003_1b.mq_open_max: 0
> p1003_1b.pagesize: 4096
> p1003_1b.rtsig_max: 0
> p1003_1b.sem_nsems_max: 0
> p1003_1b.sem_value_max: 0
> p1003_1b.sigqueue_max: 0
> p1003_1b.timer_max: 0
>=20
>=20
> $ mount
> /dev/wd0s2a on / (local, writes: sync 20 async 57)
> /dev/wd0s2f on /usr (local, writes: sync 10 async 75)
> /dev/wd0s2e on /var (local, writes: sync 114 async 151)
> /dev/wd0s1 on /c: (local)
> procfs on /proc (local)
>=20
>=20
> $ df
> Filesystem 1K-blocks Used Avail Capacity Mounted on
> /dev/wd0s2a 39647 21394 15082 59% /
> /dev/wd0s2f 501343 193892 267344 42% /usr
> /dev/wd0s2e 19815 1710 16520 9% /var
> /dev/wd0s1 1441400 1299552 141848 90% /c:
> procfs 4 4 0 100% /proc
>=20
>=20
> $ dmesg
> Copyright (c) 1992-1999 FreeBSD Inc.
> Copyright (c) 1982, 1986, 1989, 1991, 1993
> =09The Regents of the University of California. All rights reserved.
> FreeBSD 3.2-RELEASE #0: Tue May 18 04:05:08 GMT 1999
> jkh@cathair:/usr/src/sys/compile/GENERIC
> Timecounter "i8254" frequency 1193182 Hz
> CPU: Pentium/P55C (233.87-MHz 586-class CPU)
> Origin =3D "GenuineIntel" Id =3D 0x543 Stepping=3D3
> Features=3D0x8001bf<FPU,VME,DE,PSE,TSC,MSR,MCE,CX8,MMX>
> real memory =3D 16777216 (16384K bytes)
> config> di zp0
> config> di ze0
> config> di lnc0
> config> di le0
> config> di ie0
> config> di fe0
> config> di ex0
> config> di ep0
> config> di ed0
> config> di cs0
> config> di wt0
> config> di scd0
> config> di mcd0
> config> di matcdc0
> config> di aha0
> config> di adv0
> config> q
> avail memory =3D 13205504 (12896K bytes)
> Preloaded elf kernel "kernel" at 0xc0358000.
> Preloaded userconfig_script "/boot/kernel.conf" at 0xc035809c.
> Probing for devices on PCI bus 0:
> chip0: <Host to PCI bridge (vendor=3D1039 device=3D5597)> rev 0x02 on pci=
0.0.0
> chip1: <SiS 85c503> rev 0x01 on pci0.1.0
> ide_pci0: <PCI IDE controller (busmaster capable)> rev 0xd0 int a irq 14 =
on pci0.1.1
> vga0: <Cirrus Logic GD5446 SVGA controller> rev 0x45 on pci0.9.0
> Probing for PnP devices:
> CSN 1 Vendor ID: CSC4236 [0x3642630e] Serial 0xffffffff Comp ID: @@@0000 =
[0x00000000]
> Probing for devices on the ISA bus:
> sc0 on isa
> sc0: VGA color <16 virtual consoles, flags=3D0x0>
> atkbdc0 at 0x60-0x6f on motherboard
> atkbd0 irq 1 on isa
> psm0 irq 12 on isa
> psm0: model Generic PS/2 mouse, device ID 0
> sio0 at 0x3f8-0x3ff irq 4 flags 0x10 on isa
> sio0: type 16550A
> sio1 at 0x2f8-0x2ff irq 3 on isa
> sio1: type 16550A
> fdc0 at 0x3f0-0x3f7 irq 6 drq 2 on isa
> fdc0: FIFO enabled, 8 bytes threshold
> fd0: 1.44MB 3.5in
> wdc0 at 0x1f0-0x1f7 irq 14 on isa
> wdc0: unit 0 (wd0): <ST32122A>
> wd0: 2014MB (4124736 sectors), 4092 cyls, 16 heads, 63 S/T, 512 B/S
> wdc1 not found at 0x170
> ppc0 at 0x378 irq 7 flags 0x40 on isa
> ppc0: Generic chipset (EPP/NIBBLE) in COMPATIBLE mode
> lpt0: <generic printer> on ppbus 0
> lpt0: Interrupt-driven port
> ppi0: <generic parallel i/o> on ppbus 0
> plip0: <PLIP network interface> on ppbus 0
> lpt0: <generic printer> on ppbus 0
> lpt0: Interrupt-driven port
> bt_isa_probe: Probe failled for card at 0x330
> bt_isa_probe: Probe failled for card at 0x334
> bt_isa_probe: Probe failled for card at 0x230
> bt_isa_probe: Probe failled for card at 0x234
> bt_isa_probe: Probe failled for card at 0x130
> bt_isa_probe: Probe failled for card at 0x134
> bt0 not found at 0x134
> vga0 at 0x3b0-0x3df maddr 0xa0000 msize 131072 on isa
> npx0 on motherboard
> npx0: INT 16 interface
> Intel Pentium detected, installing workaround for F00F bug
> changing root device to wd0s2a
> WARNING: / was not properly dismounted
> N=85'=B2=E6=ECr=B8=9B{=EB=1E=9D=D9=9A=8A[h=99=A8=E8=AD=DA&=A0Z=DEx=14=83=
=A2=B80=8A=D8n=9E=CB=9B=B1=CA=E2m=E7=EBy=E6=ECu=BB=A0=B2)=ED=85=E6=E8w*=1F=
=B6=17=A6z=CB=1A=81
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