[Bug 254453] [zone: mbuf] kern.ipc.mbufs limit reached - network memory leaks?
bugzilla-noreply at freebsd.org
bugzilla-noreply at freebsd.org
Sun Mar 28 07:07:18 UTC 2021
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=254453
--- Comment #3 from Igor A. Valkov <viaprog at gmail.com> ---
Bytes allocated to network in netstat -m is constantly growing.
After approx 1 day uptime network is hang with:
dmesg:
[zone: mbuf] kern.ipc.nmbufs limit reached
[zone: mbuf] kern.ipc.nmbufs limit reached
[zone: mbuf] kern.ipc.nmbufs limit reached
[zone: mbuf] kern.ipc.nmbufs limit reached
[zone: mbuf] kern.ipc.nmbufs limit reached
[zone: mbuf] kern.ipc.nmbufs limit reached
netstat -m:
31994144/57556/32051700 mbufs in use (current/cache/total)
32898/14358/47256/5000000 mbuf clusters in use (current/cache/total/max)
8/10270 mbuf+clusters out of packet secondary zone in use (current/cache)
34079/298/34377/2000000 4k (page size) jumbo clusters in use
(current/cache/total/max)
0/0/0/900000 9k jumbo clusters in use (current/cache/total/max)
0/0/0/600000 16k jumbo clusters in use (current/cache/total/max)
8200648K/44297K/8244945K bytes allocated to network (current/cache/total)
383111218/0/0 requests for mbufs denied (mbufs/clusters/mbuf+clusters)
27833/0/0 requests for mbufs delayed (mbufs/clusters/mbuf+clusters)
0/0/0 requests for jumbo clusters delayed (4k/9k/16k)
0/0/0 requests for jumbo clusters denied (4k/9k/16k)
1681210 sendfile syscalls
1678853 sendfile syscalls completed without I/O request
0 requests for I/O initiated by sendfile
0 pages read by sendfile as part of a request
12525327 pages were valid at time of a sendfile request
0 pages were valid and substituted to bogus page
0 pages were requested for read ahead by applications
0 pages were read ahead by sendfile
2703 times sendfile encountered an already busy page
0 requests for sfbufs denied
0 requests for sfbufs delayed
net.inet.tcp.functions_available:
Stack D Alias PCB count
freebsd freebsd 10
bbr * bbr 44987
rack rack 0
vmstat -m:
Type InUse MemUse Requests Size(s)
filedesc 64 17654K 473
16,32,64,128,256,512,1024,2048,4096,8192,16384,32768,65536
pwddesc 111 7K 23949 64
sigio 31 2K 33 64
filecaps 0 0K 2314 16,32,64
kdtrace 1048 241K 24983 64,256
kenv 117 13K 117 16,32,64,128,8192
kqueue 204 2260K 24965
64,256,512,2048,4096,8192,16384,32768,65536
proc-args 311 12K 48278 16,32,64,128,256
Fail Points 0 0K 20 1024
hhook 13 4K 13 256
ithread 448 74K 448 32,128,256
prison 8 1K 8 16,32
KTRACE 100 13K 100 128
linker 213 2001K 257
16,32,64,128,256,384,512,1024,2048,4096,8192,16384
lockf 23 3K 2515 64,128
loginclass 3 1K 7 64
devbuf 18525 117840K 20947
16,32,64,128,256,384,512,1024,2048,4096,8192,65536
temp 195 20K 2142283
16,32,64,128,256,512,1024,2048,4096,8192,16384,65536
acpiintr 1 1K 1 64
module 234 30K 234 128
mtx_pool 2 72K 2 8192,65536
osd 134 3K 145 16,32,64,128,256
pmchooks 1 1K 1 128
pmc 2 1K 2 64
session 19 3K 7515 128
proc 3 132K 3 4096,65536
subproc 614 637K 24451 384,4096
cred 53 14K 74359 256
acpica 32007 3114K 4383696 16,32,64,128,256,384,512,1024,2048
acpitask 1 64K 1 65536
acpisem 33 5K 33 128
plimit 15 4K 28343 256
uidinfo 5 17K 6847 128,16384
sendfile 0 0K 4179384
64,128,256,384,512,1024,2048,4096,8192,16384
dumper 2 1K 2 128,512
acpidev 232 15K 232 64
sysctl 1 1K 401 32,64
sysctloid 50151 2825K 50666 16,32,64,128,256,384
sysctltmp 0 0K 34983 16,32,64,256,1024
CAM SIM 14 4K 14 256
CAM XPT 43 5K 97 16,32,128,256,512,1024,2048
tidhash 3 260K 3 8192
callout 32 8192K 32
umtx 2124 266K 2124 128
p1003.1b 1 1K 1 16
SWAP 1 4164K 1
bus 1555 207K 264553 16,32,64,128,256,384,4096
bus-sc 225 2460K 20627
16,32,64,128,256,384,512,1024,2048,4096,8192,16384,32768,65536
CAM DEV 16 32K 38 2048
devstat 12 25K 12 32,4096
eventhandler 142 12K 142 64,128
gtaskqueue 198 44K 198 16,32,256,8192
kobj 132 528K 484 4096
Per-cpu 1 1K 1 32
CAM CCB 0 0K 63419 2048
rman 378 43K 769 16,32,128
sbuf 1 1K 7285
16,32,64,128,256,512,1024,2048,4096,8192,16384
toponodes 84 11K 84 128
CAM path 17 1K 110 32
CAM periph 6 2K 39 16,32,64,128,256
acpi_perf 32 12K 32 384
stack 0 0K 201 256
taskqueue 54 7K 54 16,32,256
terminal 11 3K 11 256
Unitno 22 2K 4932 32,64
vmem 4 448K 37 2048,4096,8192,16384,32768,65536
ioctlops 0 0K 11948 256,384,512,1024,2048,4096
select 12 2K 12853 128
iov 0 0K 1542747788 16,64,128,256,384,512,1024,2048
selfd 41 3K 2383115 64
procdesc 4 1K 21 128
msg 4 30K 4 2048,4096,8192,16384
sem 4 106K 4 2048,4096
shm 1 32K 1 32768
tty 14 14K 18 1024
pts 0 0K 4 256
ktls 1 4K 1 4096
mbuf_tag 0 0K 1013618 32,64
shmfd 1 8K 1 8192
soname 4 1K 256798386 16,32,64,128
pcb 2309 3224K 48094843 16,32,64,1024,2048
ix 22 74K 22 1024,2048,4096
kbdmux 7 22K 7 16,384,1024,2048,16384
LED 40 3K 40 16,128
mfibuf 133 51K 13638
16,32,128,256,384,1024,2048,4096,8192,32768
sr_iov 2 1K 2 384
entropy 1 1K 29218 32,64,4096
UART 6 5K 6 16,1024
CAM queue 30 9K 98 16,32,512
USB 61 97K 69 16,128,256,384,1024,2048,4096,8192,16384
vfscache 3 8384K 3 65536
USBdev 47 10K 47 32,64,128,256,384,512,4096
vtbuf 24 1968K 46 4096
vt 13 41K 13 384,4096,32768
cl_savebuf 0 0K 168291 64,128,256,384
vfs_hash 1 4096K 1
vnodes 1 1K 2 32,256
mount 76 4K 153 16,32,64,128,256,1024
statfs 0 0K 319 4096
vnodemarker 3 2K 60944 512
fadvise 1 1K 5 32
chacha20random 1 8K 1 8192
BPF 12 1026K 14 32,128,384,512
ifnet 9 17K 9 128,2048
ifaddr 90 19K 90 16,32,64,128,256,384,2048,4096
ether_multi 64 6K 104 16,32,64,128
clone 7 1K 7 128
lltable 47 14K 1280 256,384
tun 3 1K 3 32
vlan 13 2K 33 64,128
iflib 402 3951K 418 64,128,256,512,1024,8192,16384,32768
pfil 7 1K 15 64,128
nhops 6 1K 6 128
routetbl 19 4K 19 32,64,128,384,1024
vnet 1 1K 1 64
vnet_data 1 180K 1
vnet_data_free 1 1K 1 32
igmp 8 1K 8 128
in_multi 3 1K 3 256
ip_moptions 2 1K 2 64
tfo_ccache 1 128K 1
hostcache 1 32K 1 32768
LRO 64 1280K 64 8192,32768
tcp_hpts 65 51209K 65 256
DEVFS3 168 42K 205 256
tcpfunc 3 1K 3 64
syncache 1 136K 1
in6_multi 31 4K 31 32,256
ip6_moptions 3 1K 3 32
ip6opt 5 2K 11 32,256
mld 7 1K 7 128
ip6ndp 10 2K 12 64,256
inpcbpolicy 45039 1408K 253441302 32
secasvar 1 1K 1 1024
sahead 1 1K 1 1024
ipsecpolicy 1 1K 1 1024
ipsec-saq 2 2K 2 1024
pf_temp 0 0K 3381 32
pf_hash 5 11524K 5 2048
pf_ifnet 13 5K 57 256,2048
pf_rule 38 24K 38 128,1024
pf_osfp 1191 123K 1191 64,128
crypto 3 5K 3 64,256,4096
DEVFS1 139 139K 166 1024
audit_evclass 236 8K 294 32
pagedep 4 2048K 293568 256
inodedep 4 16384K 1319452 384
bmsafemap 4 32K 469650 256,8192
newblk 4 32768K 4749893 256
indirdep 0 0K 24729 128,32768
freefrag 0 0K 496137 128
freeblks 0 0K 529155 256
freefile 0 0K 534502 64
diradd 0 0K 795038 128
mkdir 0 0K 18 128
dirrem 0 0K 932077 128
newdirblk 0 0K 297 64
freework 4 1K 934622 64,128
jaddref 0 0K 6 128
jremref 0 0K 6 128
jnewblk 0 0K 30 128
jfreefrag 0 0K 3 128
jseg 0 0K 6 128
jsegdep 0 0K 45 64
sbdep 0 0K 6177 64
savedino 0 0K 393583 256
jblocks 2 1K 2 128,256
softdep 4 2K 4 512
ufs_dirhash 1768 738K 380492 16,32,64,128,256,384,512,1024,2048
ufs_quota 1 4096K 1
ufs_mount 25 631K 42 32,64,512,4096,8192,16384,32768
vm_pgdata 1 1K 1 128
DEVFS_RULE 59 21K 59 64,384
UMA 240 5K 243 16,32
DEVFS 19 1K 20 16,128
DEVFSP 2 1K 4 64
pfs_nodes 20 8K 20 384
pfs_vncache 1 64K 1 65536
GEOM 126 22K 1445
16,32,64,128,256,512,1024,2048,4096,8192,16384,32768
raid_data 0 0K 222 32,128,256
pci_link 16 2K 16 64,128
apmdev 1 1K 1 128
intr 4 216K 4 32768,65536
MCA 65 17K 65 128,256,384
cpus 2 1K 2 128
nexusdev 6 1K 6 16
memdesc 1 4K 1 4096
ioat 16 7168K 16
isadev 6 1K 6 128
scsi_cd 0 0K 12 16
CAM dev queue 14 1K 14 64
nvlist 94 9K 94 16,64,128
madt_table 0 0K 2 256,4096
cdev 1 1K 1 256
io_apic 3 6K 3 2048
local_apic 1 32K 1 32768
msi 65 9K 65 128
acpiwmi 2 1K 4 32,64
kstat_data 17 17K 17 1024
solaris 131 65839K 248 16,32,64,128,256,1024,2048,4096,8192,65536
taskq 2 3K 2 1024,2048
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