Date: Wed, 1 Feb 2006 16:38:26 GMT From: Stephan Koenig <winterny@gmail.com> To: freebsd-gnats-submit@FreeBSD.org Subject: kern/92690: slowstart_flightsize ignored in 6-STABLE Message-ID: <200602011638.k11GcQ8q096242@www.freebsd.org> Resent-Message-ID: <200602011640.k11Ge3lY096519@freefall.freebsd.org>
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>Number: 92690
>Category: kern
>Synopsis: slowstart_flightsize ignored in 6-STABLE
>Confidential: no
>Severity: serious
>Priority: medium
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Wed Feb 01 16:40:03 GMT 2006
>Closed-Date:
>Last-Modified:
>Originator: Stephan Koenig
>Release: 6.0-STABLE
>Organization:
>Environment:
FreeBSD server 6.0-STABLE FreeBSD 6.0-STABLE #0: Thu Jan 26 20:40:41 EST
2006 root@server:/usr/obj/usr/src/sys/1850RAID i386
>Description:
The net.inet.tcp.slowstart_flightsize variable is ignored for the initia
l flightsize. Regardless of what the value is set to (attempted 1, 4, 32, 44, 10
24), tcpdump shows a burst of 2 packets, receive ack, 3, receive ack, 5, receive
ack, etc. Toggling rfc3390, rfc1323, rfc3042, sack, delayed_ack seem to have n
o effect.
>How-To-Repeat:
Depending on what version of netcat you have installed, either of these may be correct:
cat /dev/zero|nc -l -p 2000
cat /dev/zero|nc -l 2000
System B:
sysctl -w net.inet.tcp.recvspace=65535
nc (ip of system A) 2000 >/dev/null
Go back to system A, look at the tcpdump screen. if you see the initial syn, synack, ack, and then a burst of 44 1500 byte packets out, then it worked (this is what happens on freebsd 4.11) If you see the initial syn, synack, ack, then 2 1500 byte packets, then an ack, etc, then 3, then an ack, etc, slowstart_flightsize is being ignored.
>Fix:
unknown, I've looked at tcp_input.c and tcp_output.c and couldn't find the offending code, and it appears to use ss_fltsz to initialize the flightsize, but clearly the code doesn't actually work.
--- sysctl.out begins here ---
kern.ostype: FreeBSD
kern.osrelease: 6.0-STABLE
kern.osrevision: 199506
kern.version: FreeBSD 6.0-STABLE #0: Thu Jan 26 20:40:41 EST 2006
root@server:/usr/obj/usr/src/sys/1850RAID
kern.maxvnodes: 100000
kern.maxproc: 6164
kern.maxfiles: 12328
kern.argmax: 262144
kern.securelevel: -1
kern.hostname: server
kern.hostid: 0
kern.clockrate: { hz = 1000, tick = 1000, profhz = 666, stathz = 133 }
kern.posix1version: 200112
kern.ngroups: 16
kern.job_control: 1
kern.saved_ids: 0
kern.boottime: { sec = 1138340838, usec = 987081 } Fri Jan 27 00:47:18 2006
kern.domainname:
kern.osreldate: 600104
kern.bootfile: /boot/kernel/kernel
kern.maxfilesperproc: 11095
kern.maxprocperuid: 5547
kern.ipc.maxsockbuf: 1048576
kern.ipc.sockbuf_waste_factor: 8
kern.ipc.somaxconn: 8096
kern.ipc.max_linkhdr: 16
kern.ipc.max_protohdr: 40
kern.ipc.max_hdr: 56
kern.ipc.max_datalen: 152
kern.ipc.nmbclusters: 25600
kern.ipc.nmbjumbo4: 0
kern.ipc.nmbjumbo9: 0
kern.ipc.nmbjumbo16: 0
kern.ipc.maxpipekva: 16777216
kern.ipc.pipes: 8
kern.ipc.pipekva: 65536
kern.ipc.pipefragretry: 0
kern.ipc.pipeallocfail: 0
kern.ipc.piperesizefail: 0
kern.ipc.piperesizeallowed: 1
kern.ipc.msgmax: 16384
kern.ipc.msgmni: 40
kern.ipc.msgmnb: 2048
kern.ipc.msgtql: 40
kern.ipc.msgssz: 8
kern.ipc.msgseg: 2048
kern.ipc.semmap: 30
kern.ipc.semmni: 10
kern.ipc.semmns: 60
kern.ipc.semmnu: 30
kern.ipc.semmsl: 60
kern.ipc.semopm: 100
kern.ipc.semume: 10
kern.ipc.semusz: 92
kern.ipc.semvmx: 32767
kern.ipc.semaem: 16384
kern.ipc.shmmax: 409600000
kern.ipc.shmmin: 1
kern.ipc.shmmni: 192
kern.ipc.shmseg: 128
kern.ipc.shmall: 8192
kern.ipc.shm_use_phys: 0
kern.ipc.shm_allow_removed: 0
kern.ipc.numopensockets: 6814
kern.ipc.maxsockets: 65535
kern.ipc.nsfbufs: 32768
kern.ipc.nsfbufspeak: 7751
kern.ipc.nsfbufsused: 4015
kern.dummy: 0
kern.ps_strings: 3217031152
kern.usrstack: 3217031168
kern.logsigexit: 0
kern.iov_max: 1024
kern.cam.cam_srch_hi: 0
kern.cam.scsi_delay: 5000
kern.cam.da.retry_count: 4
kern.cam.da.default_timeout: 60
kern.disks: amrd0
kern.geom.debugflags: 0
kern.geom.collectstats: 1
kern.elf32.fallback_brand: -1
kern.init_path: /sbin/init:/sbin/oinit:/sbin/init.bak:/rescue/init:/stand/sysinstall
kern.init_shutdown_timeout: 120
kern.acct_suspend: 2
kern.acct_resume: 4
kern.acct_chkfreq: 15
kern.acct_suspended: 0
kern.cp_time: 2614611 193 6434772 3902438 48920765
kern.openfiles: 2909
kern.kq_calloutmax: 4096
kern.stackprot: 7
kern.ps_arg_cache_limit: 256
kern.lastpid: 77368
kern.randompid: 0
kern.ktrace.genio_size: 4096
kern.ktrace.request_pool: 100
kern.module_path: /boot/kernel;/boot/modules
kern.malloc:
Type InUse MemUse HighUse Requests Size(s)
PCI Link 16 2K - 16 32,128
acpisem 18 2K - 18 64
acpitask 0 0K - 1 32
acpidev 66 3K - 66 32
acpica 2199 125K - 41617 16,32,64,128,256,512,1024,4096
ithread 90 11K - 91 64,128
zombie 0 0K - 177078 128
proc-args 37 2K - 7948726 16,32,64,128,256
nexusdev 3 1K - 3 16
memdesc 1 4K - 1 4096
kqueue 64 45K - 5372554 32,256,1024,2048,4096
I/O APIC 3 3K - 3 1024
kenv 97 7K - 100 16,32,64,4096
sigio 2 1K - 14803 32
atkbddev 2 1K - 2 32
file desc 189 125K - 253083 16,32,64,128,256,512,1024,2048,4096
CAM XPT 7 1K - 11 16,64,512
VM pgdata 2 65K - 2 64
cdev 20 3K - 20 128
CAM SIM 1 1K - 1 64
UMAHash 2 10K - 10 256,512,1024,2048,4096
UFS mount 3 19K - 3 256,2048
UFS dirhash 2860 850K - 477438 16,32,64,128,256,512
savedino 0 0K - 1159359 256
newdirblk 0 0K - 10034 16
dirrem 0 0K - 8748 32
mkdir 0 0K - 8460 32
diradd 79 3K - 1189175 32
freefile 0 0K - 2087 32
freeblks 0 0K - 174484 256
freefrag 1 1K - 3248021 32
allocindir 0 0K - 609824 64
indirdep 0 0K - 9666 32
allocdirect 16 2K - 7645169 128
bmsafemap 4 1K - 47256 32
newblk 1 1K - 8254994 64,256
inodedep 90 268K - 1375107 128
pagedep 3 65K - 9345 64
p1003.1b 1 1K - 1 16
syncache 1 8K - 1
hostcache 1 24K - 1
in_multi 2 1K - 2 32
routetbl 11 1K - 291 16,32,64,128,256
lo 1 1K - 1 16
arpcom 2 1K - 2 16
clone 4 16K - 4 4096
ether_multi 7 1K - 8 16,32,64
ifaddr 20 5K - 20 32,256,512,2048
ifnet 4 4K - 4 256,1024
BPF 3 1K - 888 16,64,128,256
isadev 24 2K - 24 64
vnodemarker 0 0K - 45084 512
mount 29 4K - 80 16,32,64,128,1024,2048
vnodes 2 1K - 47 16,128
VFS hash 1 256K - 1
cluster_save buffer 0 0K - 1442 32,64
vfscache 1 512K - 1
BIO buffer 1858 3716K - 13385140 2048
CAM dev queue 1 1K - 1 64
pcb 15 129K - 4119154 16,32,64
soname 4 1K - 72840690 16,32,128
mbuf_tag 0 0K - 13 32
mbextcnt 4901 77K -1165965833 16
accf 2 1K - 34 16,32
ptys 21 3K - 21 128
ttys 1454 216K - 23294 128,1024
shm 1 12K - 1
sem 4 7K - 4 512,1024,4096
msg 4 25K - 4 1024,4096
iov 2 1K -593136850 16,64,128,256
ioctlops 0 0K - 264789 16,32,64,256,512,1024
Unitno 8 1K - 28 16,64
turnstiles 231 15K - 231 64
taskqueue 6 1K - 6 128
GEOM 42 6K - 926 16,32,64,128,256,512,1024,4096
pfs_vncache 1 1K - 672 32
sleep queues 231 8K - 231 32
sbuf 0 0K - 4222 16,32,64,128,256,512,1024,2048,4096
rman 75 5K - 414 64
pfs_nodes 20 3K - 20 128
kobj 61 122K - 70 2048
eventhandler 32 2K - 32 32,128
devstat 6 13K - 6 16,4096
bus-sc 39 12K - 805 16,32,64,128,256,2048,4096
bus 468 25K - 17913 16,32,64,128,1024
SWAP 2 73K - 2 64
umtx 230 15K - 230 64
sysctltmp 0 0K - 49269 16,32,128
sysctloid 1813 55K - 1813 16,32,64
sysctl 0 0K - 2834472 16,32,64
uidinfo 7 2K - 7738 32,1024
plimit 21 6K - 284733 256
DEVFS 10 1K - 11 16,128
cred 47 6K - 4480908 128
subproc 356 633K - 177434 256,4096
proc 2 8K - 2 4096
session 28 4K - 34678 128
pgrp 34 3K - 38581 64
mtx_pool 1 8K - 1
module 123 8K - 123 64,128
DEVFS1 101 26K - 106 256
DEVFS3 111 14K - 117 128
temp 9 1051K - 2548822 16,32,64,128,256,512,1024,2048,4096
devbuf 171 956K - 216 16,32,64,128,256,512,2048,4096
lockf 54 4K - 33729850 64
linker 25 2K - 45 16,32,256
entropy 1024 64K - 1024 64
CAM queue 3 1K - 3 16
KTRACE 100 13K - 100 128
CAM periph 1 1K - 1 128
kern.malloc_count: 147
kern.ident: ISPRIME-1850
kern.maxusers: 384
kern.fallback_elf_brand: -1
kern.kstack_pages: 2
kern.sync_on_panic: 0
kern.shutdown.poweroff_delay: 5000
kern.shutdown.kproc_shutdown_wait: 60
kern.sugid_coredump: 1
kern.coredump: 1
kern.nodump_coredump: 0
kern.corefile: /tmp/%N.%P.core
kern.fscale: 2048
kern.timecounter.stepwarnings: 0
kern.timecounter.nbinuptime: 2909998727
kern.timecounter.nnanouptime: 39137
kern.timecounter.nmicrouptime: 177313
kern.timecounter.nbintime: 94959036
kern.timecounter.nnanotime: 84726
kern.timecounter.nmicrotime: 94874306
kern.timecounter.ngetbinuptime: 93165992
kern.timecounter.ngetnanouptime: 54009
kern.timecounter.ngetmicrouptime: 121715083
kern.timecounter.ngetbintime: 0
kern.timecounter.ngetnanotime: 0
kern.timecounter.ngetmicrotime: 407407
kern.timecounter.nsetclock: 263
kern.timecounter.hardware: ACPI-fast
kern.timecounter.choice: TSC(800) ACPI-fast(1000) i8254(0) dummy(-1000000)
kern.timecounter.tick: 1
kern.threads.thr_scope: 0
kern.threads.thr_concurrency: 0
kern.threads.debug: 0
kern.threads.max_threads_per_proc: 1500
kern.threads.max_groups_per_proc: 1500
kern.threads.max_threads_hits: 0
kern.threads.virtual_cpu: 1
kern.sched.name: 4BSD
kern.sched.quantum: 100000
kern.sched.followon: 0
kern.sched.pfollowons: 0
kern.sched.kgfollowons: 0
kern.sched.preemption: 1
kern.ccpu: 1948
kern.devstat.numdevs: 1
kern.devstat.generation: 98
kern.devstat.version: 6
kern.kobj_methodcount: 72
kern.log_wakeups_per_second: 5
kern.log_console_output: 1
kern.always_console_output: 0
kern.msgbuf:
kern.msgbuf_clear: 0
kern.smp.maxcpus: 1
kern.smp.active: 0
kern.smp.disabled: 0
kern.smp.cpus: 1
kern.nselcoll: 0
kern.drainwait: 300
kern.tty_nin: 57802
kern.tty_nout: 138656857
kern.console: consolectl,/consolectl,
kern.consmute: 0
kern.consmsgbuf_size: 8192
kern.constty_wakeups_per_second: 5
kern.filedelay: 30
kern.dirdelay: 29
kern.metadelay: 28
kern.minvnodes: 25000
kern.chroot_allow_open_directories: 1
kern.random.yarrow.gengateinterval: 10
kern.random.yarrow.bins: 10
kern.random.yarrow.fastthresh: 192
kern.random.yarrow.slowthresh: 256
kern.random.yarrow.slowoverthresh: 2
kern.random.sys.seeded: 1
kern.random.sys.harvest.ethernet: 1
kern.random.sys.harvest.point_to_point: 1
kern.random.sys.harvest.interrupt: 1
kern.random.sys.harvest.swi: 0
vm.vmtotal:
System wide totals computed every five seconds: (values in kilobytes)
===============================================
Processes: (RUNQ: 7 Disk Wait: 4 Page Wait: 0 Sleep: 34)
Virtual Memory: (Total: 804K, Active 68032K)
Real Memory: (Total: 1708832K Active 20204K)
Shared Virtual Memory: (Total: 7916K Active: 4200K)
Shared Real Memory: (Total: 5716K Active: 3120K)
Free Memory Pages: 340036K
vm.loadavg: { 0.86 0.92 0.85 }
vm.v_free_min: 3318
vm.v_free_target: 14023
vm.v_free_reserved: 751
vm.v_inactive_target: 21034
vm.v_cache_min: 14023
vm.v_cache_max: 28046
vm.v_pageout_free_min: 34
vm.pageout_algorithm: 0
vm.swap_enabled: 1
vm.kmem_size: 335544320
vm.kmem_size_max: 335544320
vm.kmem_size_scale: 3
vm.swap_async_max: 4
vm.dmmax: 32
vm.nswapdev: 1
vm.zone:
ITEM SIZE LIMIT USED FREE REQUESTS
FFS2 dinode: 256, 0, 87882, 10998, 93166007
FFS1 dinode: 128, 0, 0, 0, 0
FFS inode: 132, 0, 87882, 11008, 93166007
SWAPMETA: 276, 121576, 0, 0, 0
rtentry: 132, 0, 4, 54, 4
unpcb: 140, 25620, 17, 67, 87040
ripcb: 180, 65538, 0, 44, 17
sackhole: 20, 0, 63, 275, 73609685
tcpreass: 20, 1690, 77, 92, 300731
hostcache: 76, 15400, 15360, 40, 239472
syncache: 100, 15366, 326, 454, 63139866
tcptw: 48, 13182, 4821, 1419, 20841628
tcpcb: 460, 65536, 6793, 3535, 61608567
inpcb: 180, 65538, 11614, 3412, 61608567
udpcb: 180, 65538, 1, 43, 2892806
socket: 356, 65538, 6815, 3558, 64588445
KNOTE: 68, 0, 4201, 2799, 4268684552
PIPE: 408, 0, 4, 32, 186078
DIRHASH: 1024, 0, 1451, 457, 389326
NAMEI: 1024, 0, 0, 20, 659061732
L VFS Cache: 291, 0, 230, 8246, 297168
S VFS Cache: 68, 0, 92565, 15011, 92959924
VNODEPOLL: 76, 0, 67253, 5797, 77027498
VNODE: 272, 0, 87913, 11039, 93169527
g_bio: 132, 0, 16, 1144, 391951142
ACL UMA zone: 388, 0, 0, 0, 0
mbuf_jumbo_1: 16384, 0, 0, 0, 0
mbuf_jumbo_9: 9216, 0, 0, 0, 0
mbuf_jumbo_4: 4096, 0, 0, 0, 0
mbuf_cluster: 2048, 25600, 2350, 72, 8576
mbuf: 256, 0, 7353, 4182, 8788195904
mbuf_packet: 256, 0, 10287, 1248, 3081357337
VMSPACE: 300, 0, 48, 95, 177126
UPCALL: 44, 0, 0, 0, 0
KSEGRP: 88, 0, 210, 30, 210
THREAD: 372, 0, 210, 20, 210
PROC: 524, 0, 144, 66, 177222
Files: 72, 0, 2925, 2428, 671482091
4096: 4096, 0, 185, 79, 2372981
2048: 2048, 0, 1945, 643, 13387706
1024: 1024, 0, 59, 49, 2742101
512: 512, 0, 1694, 1530, 240379
256: 256, 0, 540, 390, 597807596
128: 128, 0, 2179, 3101, 21577893
64: 64, 0, 3932, 847, 43094017
32: 32, 0, 1699, 1352, 6760587
16: 16, 0, 7335, 4439, 1244047664
mt_zone: 64, 0, 147, 89, 147
DP fakepg: 72, 0, 0, 0, 0
PV ENTRY: 24, 1746670, 15775, 27000, 865708327
MAP ENTRY: 68, 0, 1285, 2355, 54111213
KMAP ENTRY: 68, 57456, 15, 993, 89294
MAP: 192, 0, 7, 33, 7
VM OBJECT: 132, 0, 76920, 9587, 83392691
128 Bucket: 524, 0, 2347, 5, 6876
64 Bucket: 268, 0, 28, 28, 81
32 Bucket: 140, 0, 30, 26, 44
16 Bucket: 76, 0, 19, 31, 34
UMA Hash: 128, 0, 4, 26, 6
UMA RCntSlab: 104, 0, 1211, 10, 2355
UMA Slabs: 64, 0, 2504, 33, 13076
UMA Zones: 120, 0, 61, 29, 61
UMA Kegs: 140, 0, 61, 11, 61
vm.zone_count: 63
vm.old_contigmalloc: 0
vm.swap_idle_threshold1: 2
vm.swap_idle_threshold2: 10
vm.exec_map_entries: 16
vm.v_free_severe: 2034
vm.stats.sys.v_swtch: 2030861586
vm.stats.sys.v_trap: 770930290
vm.stats.sys.v_syscall: 3502670081
vm.stats.sys.v_intr: 4237226831
vm.stats.sys.v_soft: 10796447
vm.stats.vm.v_vm_faults: 773973256
vm.stats.vm.v_cow_faults: 6849304
vm.stats.vm.v_cow_optim: 463
vm.stats.vm.v_zfod: 760528924
vm.stats.vm.v_ozfod: 726843143
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: 58290
vm.stats.vm.v_vnodeout: 287
vm.stats.vm.v_vnodepgsin: 129322
vm.stats.vm.v_vnodepgsout: 287
vm.stats.vm.v_intrans: 283
vm.stats.vm.v_reactivated: 109244
vm.stats.vm.v_pdwakeups: 174
vm.stats.vm.v_pdpages: 2348139
vm.stats.vm.v_dfree: 0
vm.stats.vm.v_pfree: 11976353
vm.stats.vm.v_tfree: 948841085
vm.stats.vm.v_page_size: 4096
vm.stats.vm.v_page_count: 513795
vm.stats.vm.v_free_reserved: 751
vm.stats.vm.v_free_target: 14023
vm.stats.vm.v_free_min: 3318
vm.stats.vm.v_free_count: 84994
vm.stats.vm.v_wire_count: 55425
vm.stats.vm.v_active_count: 5024
vm.stats.vm.v_inactive_target: 21034
vm.stats.vm.v_inactive_count: 368301
vm.stats.vm.v_cache_count: 0
vm.stats.vm.v_cache_min: 14023
vm.stats.vm.v_cache_max: 28046
vm.stats.vm.v_pageout_free_min: 34
vm.stats.vm.v_interrupt_free_min: 2
vm.stats.vm.v_forks: 151942
vm.stats.vm.v_vforks: 25183
vm.stats.vm.v_rforks: 0
vm.stats.vm.v_kthreads: 97
vm.stats.vm.v_forkpages: 9586635
vm.stats.vm.v_vforkpages: 2243101
vm.stats.vm.v_rforkpages: 0
vm.stats.vm.v_kthreadpages: 0
vm.stats.misc.zero_page_count: 58271
vm.stats.misc.cnt_prezero: 733176034
vm.max_proc_mmap: 49344
vm.msync_flush_flags: 3
vm.old_msync: 0
vm.boot_pages: 48
vm.max_launder: 32
vm.pageout_stats_max: 14023
vm.pageout_full_stats_interval: 20
vm.pageout_stats_interval: 5
vm.swap_idle_enabled: 0
vm.defer_swapspace_pageouts: 0
vm.disable_swapspace_pageouts: 0
vm.pageout_lock_miss: 0
vm.idlezero_enable: 1
vm.idlezero_maxrun: 16
vm.kvm_size: 1073737728
vm.kvm_free: 281014272
vfs.ufs.dirhash_minsize: 2560
vfs.ufs.dirhash_maxmem: 2097152
vfs.ufs.dirhash_mem: 2096034
vfs.ufs.dirhash_docheck: 0
vfs.devfs.generation: 111
vfs.devfs.rule_depth: 1
vfs.pfs.vncache.entries: 1
vfs.pfs.vncache.maxentries: 257
vfs.pfs.vncache.hits: 1618
vfs.pfs.vncache.misses: 672
vfs.vmiodirenable: 1
vfs.runningbufspace: 0
vfs.bufspace: 117637120
vfs.maxbufspace: 118358016
vfs.bufmallocspace: 3803136
vfs.maxmallocbufspace: 5885132
vfs.lobufspace: 117637120
vfs.hibufspace: 117702656
vfs.bufreusecnt: 7180
vfs.buffreekvacnt: 0
vfs.bufdefragcnt: 0
vfs.lorunningspace: 524288
vfs.hirunningspace: 1048576
vfs.dirtybufferflushes: 0
vfs.altbufferflushes: 0
vfs.recursiveflushes: 0
vfs.numdirtybuffers: 18
vfs.lodirtybuffers: 913
vfs.hidirtybuffers: 1826
vfs.dirtybufthresh: 1643
vfs.numfreebuffers: 7203
vfs.lofreebuffers: 406
vfs.hifreebuffers: 812
vfs.getnewbufcalls: 124961833
vfs.getnewbufrestarts: 0
vfs.flushwithdeps: 0
vfs.cache.numneg: 5454
vfs.cache.numcache: 92796
vfs.cache.numcalls: 29938650
vfs.cache.dothits: 554967
vfs.cache.dotdothits: 433665
vfs.cache.numchecks: 2913475498
vfs.cache.nummiss: 93258912
vfs.cache.nummisszap: 29536
vfs.cache.numposzaps: 13840
vfs.cache.numposhits: 4223608994
vfs.cache.numnegzaps: 1181040
vfs.cache.numneghits: 5824992
vfs.cache.nchstats: 4223608994 5824992 1194880 0 93288448 0 6970602 9152820
vfs.cache.numfullpathcalls: 34877
vfs.cache.numfullpathfail1: 3
vfs.cache.numfullpathfail2: 0
vfs.cache.numfullpathfail4: 0
vfs.cache.numfullpathfound: 34874
vfs.write_behind: 1
vfs.read_max: 8
vfs.lookup_shared: 0
vfs.usermount: 0
vfs.numvnodes: 87914
vfs.wantfreevnodes: 25000
vfs.freevnodes: 5559
vfs.reassignbufcalls: 5513654
vfs.timestamp_precision: 0
vfs.worklist_len: 5
vfs.ffs.doasyncfree: 1
vfs.ffs.doreallocblks: 1
vfs.ffs.compute_summary_at_mount: 0
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.local.taskcount: 0
net.local.recycled: 0
net.inet.ip.portrange.lowfirst: 1023
net.inet.ip.portrange.lowlast: 600
net.inet.ip.portrange.first: 49152
net.inet.ip.portrange.last: 8000
net.inet.ip.portrange.hifirst: 49152
net.inet.ip.portrange.hilast: 65535
net.inet.ip.portrange.reservedhigh: 1023
net.inet.ip.portrange.reservedlow: 0
net.inet.ip.portrange.randomized: 1
net.inet.ip.portrange.randomcps: 10
net.inet.ip.portrange.randomtime: 45
net.inet.ip.forwarding: 0
net.inet.ip.redirect: 1
net.inet.ip.ttl: 64
net.inet.ip.rtexpire: 10
net.inet.ip.rtminexpire: 10
net.inet.ip.rtmaxcache: 128
net.inet.ip.sourceroute: 0
net.inet.ip.intr_queue_maxlen: 100
net.inet.ip.intr_queue_drops: 843925
net.inet.ip.accept_sourceroute: 0
net.inet.ip.keepfaith: 0
net.inet.ip.gifttl: 30
net.inet.ip.subnets_are_local: 0
net.inet.ip.same_prefix_carp_only: 0
net.inet.ip.fastforwarding: 0
net.inet.ip.process_options: 1
net.inet.ip.maxfragpackets: 800
net.inet.ip.maxfragsperpacket: 16
net.inet.ip.sendsourcequench: 0
net.inet.ip.random_id: 0
net.inet.ip.check_interface: 0
net.inet.icmp.maskrepl: 0
net.inet.icmp.icmplim: 2000
net.inet.icmp.maskfake: 0
net.inet.icmp.drop_redirect: 0
net.inet.icmp.log_redirect: 0
net.inet.icmp.icmplim_output: 1
net.inet.icmp.reply_src:
net.inet.icmp.bmcastecho: 0
net.inet.tcp.rfc1323: 0
net.inet.tcp.mssdflt: 1460
net.inet.tcp.keepidle: 600000
net.inet.tcp.keepintvl: 75000
net.inet.tcp.sendspace: 65535
net.inet.tcp.recvspace: 32768
net.inet.tcp.keepinit: 75000
net.inet.tcp.delacktime: 100
net.inet.tcp.hostcache.cachelimit: 15360
net.inet.tcp.hostcache.hashsize: 512
net.inet.tcp.hostcache.bucketlimit: 30
net.inet.tcp.hostcache.count: 15360
net.inet.tcp.hostcache.expire: 3600
net.inet.tcp.hostcache.purge: 0
net.inet.tcp.log_in_vain: 0
net.inet.tcp.blackhole: 0
net.inet.tcp.delayed_ack: 1
net.inet.tcp.rfc3042: 1
net.inet.tcp.rfc3390: 0
net.inet.tcp.insecure_rst: 0
net.inet.tcp.reass.maxsegments: 1600
net.inet.tcp.reass.cursegments: 77
net.inet.tcp.reass.maxqlen: 48
net.inet.tcp.reass.overflows: 0
net.inet.tcp.path_mtu_discovery: 1
net.inet.tcp.slowstart_flightsize: 44
net.inet.tcp.local_slowstart_flightsize: 4
net.inet.tcp.newreno: 1
net.inet.tcp.sack.enable: 1
net.inet.tcp.sack.maxholes: 128
net.inet.tcp.sack.globalmaxholes: 65536
net.inet.tcp.sack.globalholes: 64
net.inet.tcp.minmss: 216
net.inet.tcp.minmssoverload: 0
net.inet.tcp.tcbhashsize: 16384
net.inet.tcp.do_tcpdrain: 1
net.inet.tcp.pcbcount: 11621
net.inet.tcp.icmp_may_rst: 1
net.inet.tcp.isn_reseed_interval: 0
net.inet.tcp.inflight.enable: 0
net.inet.tcp.inflight.debug: 0
net.inet.tcp.inflight.min: 6144
net.inet.tcp.inflight.max: 1073725440
net.inet.tcp.inflight.stab: 20
net.inet.tcp.syncookies: 1
net.inet.tcp.syncache.bucketlimit: 30
net.inet.tcp.syncache.cachelimit: 15359
net.inet.tcp.syncache.count: 327
net.inet.tcp.syncache.hashsize: 512
net.inet.tcp.syncache.rexmtlimit: 3
net.inet.tcp.msl: 30000
net.inet.tcp.rexmit_min: 3
net.inet.tcp.rexmit_slop: 200
net.inet.tcp.always_keepalive: 1
net.inet.udp.checksum: 1
net.inet.udp.maxdgram: 9216
net.inet.udp.recvspace: 655350
net.inet.udp.log_in_vain: 0
net.inet.udp.blackhole: 0
net.inet.udp.strict_mcast_mship: 0
net.inet.raw.maxdgram: 8192
net.inet.raw.recvspace: 8192
net.inet.accf.unloadable: 0
net.inet.accf.http.parsehttpversion: 1
net.link.generic.system.ifcount: 3
net.link.ether.inet.prune_intvl: 300
net.link.ether.inet.max_age: 1200
net.link.ether.inet.maxtries: 5
net.link.ether.inet.useloopback: 1
net.link.ether.inet.proxyall: 0
net.link.ether.inet.log_arp_wrong_iface: 1
net.link.ether.inet.log_arp_movements: 1
net.link.ether.inet.log_arp_permanent_modify: 1
net.link.ether.ipfw: 0
net.link.gif.max_nesting: 1
net.link.gif.parallel_tunnels: 0
net.link.log_link_state_change: 1
net.bpf.bufsize: 4096
net.bpf.maxbufsize: 524288
net.bpf.maxinsns: 512
net.isr.direct: 0
net.isr.count: -1669709726
net.isr.directed: 0
net.isr.deferred: -1669709725
net.isr.queued: 420
net.isr.drop: 0
net.isr.swi_count: 1102355314
net.route.netisr_maxqlen: 256
debug.mddebug: 0
debug.elf32_trace: 0
debug.elf32_legacy_coredump: 0
debug.boothowto: -2147483648
debug.bootverbose: 0
debug.cpufreq.lowest: 0
debug.cpufreq.verbose: 0
debug.sizeof.cdev: 184
debug.sizeof.cdev_priv: 216
debug.sizeof.g_class: 68
debug.sizeof.g_geom: 68
debug.sizeof.g_provider: 88
debug.sizeof.g_consumer: 60
debug.sizeof.g_bioq: 48
debug.sizeof.vnode: 272
debug.sizeof.proc: 524
debug.sizeof.bio: 132
debug.sizeof.buf: 328
debug.sizeof.kinfo_proc: 768
debug.sizeof.devstat: 240
debug.to_avg_depth: 1542
debug.to_avg_gcalls: 0
debug.to_avg_mtxcalls: 0
debug.to_avg_mpcalls: 798
debug.kdb.available:
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debug.rman_debug: 0
debug.ttydebug: 0
debug.nchash: 131071
debug.ncnegfactor: 16
debug.numneg: 5454
debug.numcache: 92803
debug.numcachehv: 16350
debug.vfscache: 1
debug.vnsize: 272
debug.ncsize: 36
debug.hashstat.nchash: 131072 66296 8 5057
debug.disablecwd: 0
debug.disablefullpath: 0
debug.mpsafevfs: 1
debug.rush_requests: 0
debug.vnlru_nowhere: 0
debug.if_tun_debug: 0
debug.mpsafenet: 1
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debug.snapdebug: 0
debug.collectsnapstats: 0
debug.max_softdeps: 400000
debug.tickdelay: 2
debug.maxindirdeps: 50
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debug.blk_limit_push: 0
debug.ino_limit_push: 0
debug.blk_limit_hit: 0
debug.ino_limit_hit: 0
debug.sync_limit_hit: 0
debug.indir_blk_ptrs: 4906
debug.inode_bitmap: 27358
debug.direct_blk_ptrs: 21989
debug.dir_entry: 13778
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debug.nosleepwithlocks: 0
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debug.psm.hz: 20
debug.psm.errsecs: 2
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debug.psm.secs: 0
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debug.PMAP1changed: 482027
debug.PMAP1unchanged: 59934724
debug.acpi.acpi_ca_version: 0x20041119
debug.acpi.do_powerstate: 1
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hw.machine: i386
hw.model: Intel(R) Xeon(TM) CPU 3.00GHz
hw.ncpu: 1
hw.byteorder: 1234
hw.physmem: 2142478336
hw.usermem: 1915936768
hw.pagesize: 4096
hw.floatingpoint: 1
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hw.realmem: 2147221504
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hw.pci.irq_override_mask: 57080
hw.intr_storm_threshold: 500
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hw.psm.tap_threshold: 25
hw.psm.tap_timeout: 125000
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hw.syscons.saver.keybonly: 1
hw.syscons.bell: 1
hw.syscons.sc_no_suspend_vtswitch: 0
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hw.busdma.zone0.total_deferred: 0
hw.busdma.zone0.lowaddr: 0xffffffff
hw.busdma.zone0.alignment: 128
hw.busdma.zone0.boundary: 0
hw.clockrate: 2992
hw.instruction_sse: 1
hw.apic.enable_extint: 0
hw.acpi.supported_sleep_state: S4 S5
hw.acpi.power_button_state: S5
hw.acpi.sleep_button_state: S4
hw.acpi.lid_switch_state: NONE
hw.acpi.standby_state: S1
hw.acpi.suspend_state: S3
hw.acpi.sleep_delay: 1
hw.acpi.s4bios: 0
hw.acpi.verbose: 0
hw.acpi.reset_video: 1
hw.acpi.cpu.cx_supported: C1/0
hw.acpi.cpu.cx_lowest: C1
hw.acpi.cpu.cx_usage: 100.00%
machdep.adjkerntz: 18000
machdep.disable_rtc_set: 0
machdep.wall_cmos_clock: 1
machdep.enable_panic_key: 0
machdep.disable_mtrrs: 0
machdep.cpu_idle_hlt: 1
machdep.guessed_bootdev: 2686451712
machdep.panic_on_nmi: 1
machdep.tsc_freq: 2992710885
machdep.i8254_freq: 1193182
machdep.acpi_timer_freq: 3579545
machdep.acpi_root: 1037744
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
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user.posix2_fort_dev: 0
user.posix2_fort_run: 0
user.posix2_localedef: 0
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user.stream_max: 20
user.tzname_max: 255
p1003_1b.asynchronous_io: 0
p1003_1b.mapped_files: 1
p1003_1b.memlock: 0
p1003_1b.memlock_range: 0
p1003_1b.memory_protection: 0
p1003_1b.message_passing: 0
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p1003_1b.timers: 0
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p1003_1b.aio_max: -1
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dev.nexus.0.%driver: nexus
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dev.pci_link.7.%desc: ACPI PCI Link LNKH
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dev.pci.3.%desc: ACPI PCI bus
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dev.atdma.0.%parent: acpi0
dev.npxisa.0.%desc: Legacy ISA coprocessor support
dev.npxisa.0.%driver: npxisa
dev.npxisa.0.%location: handle=\_SB_.PCI0.ISA_.FPU_
dev.npxisa.0.%pnpinfo: _HID=PNP0C04 _UID=0
dev.npxisa.0.%parent: acpi0
dev.atpic.0.%desc: AT interrupt controller
dev.atpic.0.%driver: atpic
dev.atpic.0.%location: handle=\_SB_.PCI0.ISA_.PIC_
dev.atpic.0.%pnpinfo: _HID=PNP0000 _UID=0
dev.atpic.0.%parent: acpi0
dev.attimer.0.%desc: AT realtime clock
dev.attimer.0.%driver: attimer
dev.attimer.0.%location: handle=\_SB_.PCI0.ISA_.RTC_
dev.attimer.0.%pnpinfo: _HID=PNP0B00 _UID=0
dev.attimer.0.%parent: acpi0
dev.attimer.1.%desc: AT timer
dev.attimer.1.%driver: attimer
dev.attimer.1.%location: handle=\_SB_.PCI0.ISA_.TMR_
dev.attimer.1.%pnpinfo: _HID=PNP0100 _UID=0
dev.attimer.1.%parent: acpi0
dev.pmtimer.0.%driver: pmtimer
dev.pmtimer.0.%parent: isa0
dev.orm.0.%desc: ISA Option ROMs
dev.orm.0.%driver: orm
dev.orm.0.%parent: isa0
dev.sc.0.%desc: System console
dev.sc.0.%driver: sc
dev.sc.0.%parent: isa0
dev.vga.0.%desc: Generic ISA VGA
dev.vga.0.%driver: vga
dev.vga.0.%parent: isa0
dev.atkbdc.0.%desc: Keyboard controller (i8042)
dev.atkbdc.0.%driver: atkbdc
dev.atkbdc.0.%parent: isa0
dev.atkbd.0.%desc: AT Keyboard
dev.atkbd.0.%driver: atkbd
dev.atkbd.0.%parent: atkbdc0
dev.amrd.0.%desc: LSILogic MegaRAID logical drive
dev.amrd.0.%driver: amrd
dev.amrd.0.%parent: amr0
--- sysctl.out ends here ---
--- dmesg.out begins here ---
Copyright (c) 1992-2005 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 6.0-STABLE #0: Thu Jan 26 20:40:41 EST 2006
root@server:/usr/obj/usr/src/sys/1850RAID
Timecounter "i8254" frequency 1193182 Hz quality 0
CPU: Intel(R) Xeon(TM) CPU 3.00GHz (2992.71-MHz 686-class CPU)
Origin = "GenuineIntel" Id = 0xf43 Stepping = 3
Features=0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE>
Features2=0x641d<SSE3,RSVD2,MON,DS_CPL,CNTX-ID,CX16,<b14>>
AMD Features=0x20100000<NX,LM>
real memory = 2147221504 (2047 MB)
avail memory = 2100604928 (2003 MB)
ACPI APIC Table: <DELL PE BKC >
ioapic0: Changing APIC ID to 1
ioapic1: Changing APIC ID to 2
ioapic1: WARNING: intbase 32 != expected base 24
ioapic2: Changing APIC ID to 3
ioapic2: WARNING: intbase 64 != expected base 56
ioapic0 <Version 2.0> irqs 0-23 on motherboard
ioapic1 <Version 2.0> irqs 32-55 on motherboard
ioapic2 <Version 2.0> irqs 64-87 on motherboard
npx0: [FAST]
npx0: <math processor> on motherboard
npx0: INT 16 interface
acpi0: <DELL PE BKC> on motherboard
acpi0: Power Button (fixed)
Timecounter "ACPI-fast" frequency 3579545 Hz quality 1000
acpi_timer0: <24-bit timer at 3.579545MHz> port 0x808-0x80b on acpi0
cpu0: <ACPI CPU> on acpi0
pcib0: <ACPI Host-PCI bridge> port 0xcf8-0xcff on acpi0
pci0: <ACPI PCI bus> on pcib0
pcib1: <ACPI PCI-PCI bridge> at device 2.0 on pci0
pci1: <ACPI PCI bus> on pcib1
pcib2: <ACPI PCI-PCI bridge> at device 0.0 on pci1
pci2: <ACPI PCI bus> on pcib2
amr0: <LSILogic MegaRAID 1.53> mem 0xf80f0000-0xf80fffff,0xfeae0000-0xfeafffff irq 46 at device 14.0 on pci2
amr0: delete logical drives supported by controller
amr0: <LSILogic PERC 4e/Si> Firmware 516A, BIOS H418, 256MB RAM
pcib3: <ACPI PCI-PCI bridge> at device 0.2 on pci1
pci3: <ACPI PCI bus> on pcib3
pcib4: <ACPI PCI-PCI bridge> at device 4.0 on pci0
pci4: <ACPI PCI bus> on pcib4
pcib5: <ACPI PCI-PCI bridge> at device 5.0 on pci0
pci5: <ACPI PCI bus> on pcib5
pcib6: <ACPI PCI-PCI bridge> at device 0.0 on pci5
pci6: <ACPI PCI bus> on pcib6
em0: <Intel(R) PRO/1000 Network Connection Version - 3.2.18> port 0xecc0-0xecff mem 0xfe7e0000-0xfe7fffff irq 64 at device 7.0 on pci6
em0: Ethernet address: 00:14:22:13:79:fc
pcib7: <ACPI PCI-PCI bridge> at device 0.2 on pci5
pci7: <ACPI PCI bus> on pcib7
em1: <Intel(R) PRO/1000 Network Connection Version - 3.2.18> port 0xdcc0-0xdcff mem 0xfe5e0000-0xfe5fffff irq 65 at device 8.0 on pci7
em1: Ethernet address: 00:14:22:13:79:fd
pcib8: <ACPI PCI-PCI bridge> at device 6.0 on pci0
pci8: <ACPI PCI bus> on pcib8
pcib9: <ACPI PCI-PCI bridge> at device 30.0 on pci0
pci9: <ACPI PCI bus> on pcib9
pci9: <display, VGA> at device 13.0 (no driver attached)
isab0: <PCI-ISA bridge> at device 31.0 on pci0
isa0: <ISA bus> on isab0
pmtimer0 on isa0
orm0: <ISA Option ROMs> at iomem 0xc0000-0xcafff,0xec000-0xeffff on isa0
sc0: <System console> at flags 0x100 on isa0
sc0: VGA <16 virtual consoles, flags=0x300>
vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0
atkbdc0: <Keyboard controller (i8042)> at port 0x60,0x64 on isa0
atkbd0: <AT Keyboard> irq 1 on atkbdc0
kbd0 at atkbd0
atkbd0: [GIANT-LOCKED]
Timecounter "TSC" frequency 2992710885 Hz quality 800
Timecounters tick every 1.000 msec
amr0: delete logical drives supported by controller
amrd0: <LSILogic MegaRAID logical drive> on amr0
amrd0: 139900MB (286515200 sectors) RAID 1 (optimal)
Trying to mount root from ufs:/dev/amrd0s1a
em0: link state changed to UP
/: optimization changed from TIME to SPACE
--- dmesg.out ends here ---
>Release-Note:
>Audit-Trail:
>Unformatted:
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