[Samba] samba process use 100% cpu

Papp Bence pappbence at kzsdabas.hu
Tue May 9 17:33:03 UTC 2017


Here is the smb.conf:

https://pastebin.com/LUf4MUF0


Thank you very much.


2017. 05. 09. 18:15 keltezéssel, Dante F. B. Colò via samba írta:
> Did you install it from binary packages ? compiled from source ? Post your smb.conf here.
>
>
> ----- Original Message -----
> From: "samba" <samba at lists.samba.org>
> To: "samba" <samba at lists.samba.org>
> Sent: Tuesday, May 9, 2017 1:01:10 PM
> Subject: Re: [Samba] samba process use 100% cpu
>
> Anybody?
>
>
> 2017. 05. 02. 10:48 keltezéssel, Papp Bence via samba írta:
>> Hi!
>>
>>
>> I need some help.
>>
>> We use samba4 as AD, and now when clients connect to server, samba
>> process stuck at 100% cpu.
>>
>> samba Version: 4.3.4 Release: 13.el6
>>
>>
>> top:
>>
>>   3777 root      20   0  131m  46m  28m R 99.7  0.3 219:20.53
>> /usr/local/samba4//sbin/samba -D
>> 24541 csertam   20   0 49260  11m 9048 S 25.1  0.1   0:01.56 smbd -D
>>   7080 squid     20   0  926m 908m 6428 S  9.9  6.2  11:43.50 (squid-1)
>> -f /etc/squid/squid.conf
>> 25503 squid     20   0 40236  36m 1040 S  3.3  0.2   0:00.10
>> (squidGuard) -c /etc/squid/squidguard.conf
>> 25507 squid     20   0 39840  35m 1036 S  3.3  0.2   0:00.10
>> (squidGuard) -c /etc/squid/squidguard.conf
>> 25506 squid     20   0 39836  35m 1036 S  3.0  0.2   0:00.09
>> (squidGuard) -c /etc/squid/squidguard.conf
>> 25508 squid     20   0 39840  35m 1036 S  3.0  0.2   0:00.09
>> (squidGuard) -c /etc/squid/squidguard.conf
>> 25511 squid     20   0 39836  35m 1036 S  2.6  0.2   0:00.08
>> (squidGuard) -c /etc/squid/squidguard.conf
>>   7123 root      20   0  117m  26m 4004 S  1.7  0.2  11:48.54
>> /usr/bin/python /usr/sbin/presenced -d
>> 24798 3000039   20   0  143m  23m 6204 S  1.0  0.2   0:01.03
>> /usr/local/samba4/sbin/smbd -D --option=server role check:inhibit=yes
>> --foreground
>> 25408 root      20   0  9760 1704 1072 R  1.0  0.0   0:00.23 top -c
>>   2565 root      20   0  143m  23m 6232 S  0.7  0.2   0:02.60
>> /usr/local/samba4/sbin/smbd -D --option=server role check:inhibit=yes
>> --foreground
>>   6094 root      20   0  143m  23m 6236 S  0.7  0.2   0:02.97
>> /usr/local/samba4/sbin/smbd -D --option=server role check:inhibit=yes
>> --foreground
>>   6432 qpidd     20   0  151m  14m 4560 S  0.7  0.1   1:55.56
>> /usr/sbin/qpidd --data-dir /var/lib/qpidd --daemon
>>   8295 root      20   0  143m  23m 6232 S  0.7  0.2   0:02.48
>> /usr/local/samba4/sbin/smbd -D --option=server role check:inhibit=yes
>> --foreground
>> 16526 root      20   0  143m  23m 6204 S  0.7  0.2   0:03.46
>> /usr/local/samba4/sbin/smbd -D --option=server role check:inhibit=yes
>> --foreground
>> 26586 root      20   0  143m  23m 6232 S  0.7  0.2   0:02.60
>> /usr/local/samba4/sbin/smbd -D --option=server role check:inhibit=yes
>> --foreground
>>   1294 root      20   0     0    0    0 S  0.3  0.0   0:31.24
>> [flush-253:4]
>>   1987 root      20   0     0    0    0 S  0.3  0.0   6:12.93
>> [kondemand/0]
>>   2089 ldap      20   0  569m 125m  13m S  0.3  0.9  11:49.78
>> /usr/sbin/ns-slapd -D /etc/dirsrv/slapd-sulixerver -i
>> /var/run/dirsrv/slapd-sulixerver.pid -w
>> /var/run/dirsrv/slapd-sulixerver.startpid
>>   3764 mysql     20   0  221m  77m 6240 S  0.3  0.5  90:00.06
>> /usr/libexec/mysqld --basedir=/usr --datadir=/var/lib/mysql
>> --user=mysql --log-error=/var/log/mysqld.log
>> --pid-file=/var/run/mysqld/mysqld.pid --s
>>   3784 root      20   0  130m  19m 1732 S  0.3  0.1   1:31.75
>> /usr/local/samba4//sbin/samba -D
>>   6561 sogo      20   0 56784  10m 4172 S  0.3  0.1   4:05.72
>> /usr/sbin/sogod -WOWorkersCount 100 -WOPidFile /var/run/sogo/sogo.pid
>> -WOLogFile /var/log/sogo/sogo.log
>>   8047 root      20   0  143m  23m 6236 S  0.3  0.2   0:03.00
>> /usr/local/samba4/sbin/smbd -D --option=server role check:inhibit=yes
>> --foreground
>>   8562 3000025   20   0  143m  23m 6272 S  0.3  0.2   0:02.48
>> /usr/local/samba4/sbin/smbd -D --option=server role check:inhibit=yes
>> --foreground
>>   9650 root      20   0  143m  23m 6228 S  0.3  0.2   0:02.39
>> /usr/local/samba4/sbin/smbd -D --option=server role check:inhibit=yes
>> --foreground
>> 11370 root      20   0  143m  23m 6232 S  0.3  0.2   0:02.90
>> /usr/local/samba4/sbin/smbd -D --option=server role check:inhibit=yes
>> --foreground
>> 18826 root      20   0  143m  23m 6236 S  0.3  0.2   0:02.91
>> /usr/local/samba4/sbin/smbd -D --option=server role check:inhibit=yes
>> --foreground
>> 24465 3000040   20   0  143m  23m 6228 S  0.3  0.2   0:02.99
>> /usr/local/samba4/sbin/smbd -D --option=server role check:inhibit=yes
>> --foreground
>> 24668 root      20   0  143m  23m 6240 S  0.3  0.2   0:02.46
>> /usr/local/samba4/sbin/smbd -D --option=server role check:inhibit=yes
>> --foreground
>> 26180 3000058   20   0  143m  23m 6248 S  0.3  0.2   0:02.54
>> /usr/local/samba4/sbin/smbd -D --option=server role check:inhibit=yes
>> --foreground
>> 26997 3000146   20   0  143m  23m 6252 S  0.3  0.2   0:02.83
>> /usr/local/samba4/sbin/smbd -D --option=server role check:inhibit=yes
>> --foreground
>>
>>
>>
>> I tried strace, and got this:
>>
>>
>> fcntl64(13, F_SETLKW64, {type=F_UNLCK, whence=SEEK_SET, start=9400,
>> len=1}, 0xbff3ce24) = 0
>> writev(50, [{"0\0", 2},
>> {"\5\0\2\3\20\0\0\0000\0\0\0\2\0\0\0\30\0\0\0\0\0\0\0\0\0\0\0\336\210/g"...,
>> 48}], 2) = 50
>> epoll_wait(11, {{EPOLLIN, {u32=2962349656, u64=2962349656}}}, 1,
>> 30000) = 1
>> readv(49, [{"\204\0", 2}], 1)           = 2
>> readv(49, [{"\5\0\0\3\20\0\0\0\204\0\0\0\3\0\0\0", 16},
>> {"l\0\0\0\0\0D\0\0\0\0\0\37\215\27\1;
>> \345N\273\216}\4\227\311\214|\1\0\0\0"..., 116}], 2) = 132
>> gettimeofday({1493714662, 571764}, NULL) = 0
>> time(NULL)                              = 1493714662
>> time(NULL)                              = 1493714662
>> time(NULL)                              = 1493714662
>> time(NULL)                              = 1493714662
>> time(NULL)                              = 1493714662
>> time(NULL)                              = 1493714662
>> fcntl64(14, F_SETLKW64, {type=F_RDLCK, whence=SEEK_SET, start=3140,
>> len=1}, 0xbff3c1b4) = 0
>> fcntl64(14, F_SETLKW64, {type=F_UNLCK, whence=SEEK_SET, start=3140,
>> len=1}, 0xbff3c234) = 0
>> fcntl64(14, F_SETLKW64, {type=F_RDLCK, whence=SEEK_SET, start=3140,
>> len=1}, 0xbff3c0e4) = 0
>> fcntl64(14, F_SETLKW64, {type=F_UNLCK, whence=SEEK_SET, start=3140,
>> len=1}, 0xbff3c164) = 0
>> time(NULL)                              = 1493714662
>> fcntl64(13, F_SETLKW64, {type=F_RDLCK, whence=SEEK_SET, start=26440,
>> len=1}, 0xbff3cdf4) = 0
>> fcntl64(13, F_SETLKW64, {type=F_UNLCK, whence=SEEK_SET, start=26440,
>> len=1}, 0xbff3ce74) = 0
>> fcntl64(13, F_SETLKW64, {type=F_RDLCK, whence=SEEK_SET, start=26440,
>> len=1}, 0xbff3cd24) = 0
>> fcntl64(13, F_SETLKW64, {type=F_UNLCK, whence=SEEK_SET, start=26440,
>> len=1}, 0xbff3cda4) = 0
>> time(NULL)                              = 1493714662
>> time(NULL)                              = 1493714662
>> time(NULL)                              = 1493714662
>> time(NULL)                              = 1493714662
>> time(NULL)                              = 1493714662
>> time(NULL)                              = 1493714662
>> fcntl64(14, F_SETLKW64, {type=F_RDLCK, whence=SEEK_SET, start=3140,
>> len=1}, 0xbff3c1e4) = 0
>> fcntl64(14, F_SETLKW64, {type=F_UNLCK, whence=SEEK_SET, start=3140,
>> len=1}, 0xbff3c264) = 0
>> fcntl64(14, F_SETLKW64, {type=F_RDLCK, whence=SEEK_SET, start=3140,
>> len=1}, 0xbff3c114) = 0
>> fcntl64(14, F_SETLKW64, {type=F_UNLCK, whence=SEEK_SET, start=3140,
>> len=1}, 0xbff3c194) = 0
>> time(NULL)                              = 1493714662
>> fcntl64(13, F_SETLKW64, {type=F_RDLCK, whence=SEEK_SET, start=26440,
>> len=1}, 0xbff3ce24) = 0
>> fcntl64(13, F_SETLKW64, {type=F_UNLCK, whence=SEEK_SET, start=26440,
>> len=1}, 0xbff3cea4) = 0
>> fcntl64(13, F_SETLKW64, {type=F_RDLCK, whence=SEEK_SET, start=20284,
>> len=1}, 0xbff3cb64) = 0
>> fcntl64(13, F_SETLKW64, {type=F_UNLCK, whence=SEEK_SET, start=20284,
>> len=1}, 0xbff3cbe4) = 0
>> fcntl64(13, F_SETLKW64, {type=F_RDLCK, whence=SEEK_SET, start=21732,
>> len=1}, 0xbff3cd54) = 0
>> fcntl64(13, F_SETLKW64, {type=F_UNLCK, whence=SEEK_SET, start=21732,
>> len=1}, 0xbff3cdd4) = 0
>> writev(49, [{"\264\0", 2},
>> {"\5\0\2\3\20\0\0\0\264\0\0\0\3\0\0\0\234\0\0\0\0\0\0\0\4\0\2\0\1\0\0\0"...,
>> 180}], 2) = 182
>> epoll_wait(11, {{EPOLLIN, {u32=2957714824, u64=2957714824}}}, 1,
>> 30000) = 1
>> readv(54, [{",\0", 2}], 1)              = 2
>> readv(54, [{"\5\0\0\3\20\0\0\0,\0\0\0\4\0\0\0", 16},
>> {"\24\0\0\0\0\0\0\0\0\0\0\0#\207e\341\321\272BL\276W[\373\3712\326\227",
>> 28}], 2) = 44
>> gettimeofday({1493714662, 574431}, NULL) = 0
>> writev(54, [{"0\0", 2},
>> {"\5\0\2\3\20\0\0\0000\0\0\0\4\0\0\0\30\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"...,
>> 48}], 2) = 50
>> epoll_wait(11, {{EPOLLIN|EPOLLHUP, {u32=2966417304, u64=2966417304}}},
>> 1, 30000) = 1
>> readv(52, [{"\0\0", 2}], 1)             = 0
>> epoll_ctl(11, EPOLL_CTL_DEL, 52, {0, {u32=0, u64=0}}) = 0
>> close(52)                               = 0
>> fcntl64(23, F_SETLKW64, {type=F_WRLCK, whence=SEEK_SET, start=184,
>> len=1}, 0xbff3d0e4) = 0
>> fcntl64(23, F_SETLKW64, {type=F_UNLCK, whence=SEEK_SET, start=184,
>> len=1}, 0xbff3d134) = 0
>> epoll_wait(11, {{EPOLLIN, {u32=2962320928, u64=2962320928}}}, 1,
>> 30000) = 1
>> readv(62, [{",\0", 2}], 1)              = 2
>> readv(62, [{"\5\0\0\3\20\0\0\0,\0\0\0\245\2\0\0", 16},
>> {"\24\0\0\0\0\0'\0\2\0\0\0~\241\362`\312\327.G\2559\24\310\6\340\226\240",
>> 28}], 2) = 44
>> gettimeofday({1493714662, 575413}, NULL) = 0
>> time(NULL)                              = 1493714662
>> time(NULL)                              = 1493714662
>> time(NULL)                              = 1493714662
>> time(NULL)                              = 1493714662
>> time(NULL)                              = 1493714662
>> time(NULL)                              = 1493714662
>> fcntl64(14, F_SETLKW64, {type=F_RDLCK, whence=SEEK_SET, start=3140,
>> len=1}, 0xbff3c0c4) = 0
>> fcntl64(14, F_SETLKW64, {type=F_UNLCK, whence=SEEK_SET, start=3140,
>> len=1}, 0xbff3c144) = 0
>> fcntl64(14, F_SETLKW64, {type=F_RDLCK, whence=SEEK_SET, start=3140,
>> len=1}, 0xbff3bff4) = 0
>> fcntl64(14, F_SETLKW64, {type=F_UNLCK, whence=SEEK_SET, start=3140,
>> len=1}, 0xbff3c074) = 0
>> time(NULL)                              = 1493714662
>> fcntl64(12, F_SETLKW64, {type=F_RDLCK, whence=SEEK_SET, start=26808,
>> len=1}, 0xbff3c114) = 0
>> fcntl64(12, F_SETLKW64, {type=F_UNLCK, whence=SEEK_SET, start=26808,
>> len=1}, 0xbff3c164) = 0
>> fcntl64(15, F_SETLKW64, {type=F_RDLCK, whence=SEEK_SET, start=30480,
>> len=1}, 0xbff3c344) = 0
>> fcntl64(15, F_SETLKW64, {type=F_UNLCK, whence=SEEK_SET, start=30480,
>> len=1}, 0xbff3c3c4) = 0
>> fcntl64(15, F_SETLKW64, {type=F_RDLCK, whence=SEEK_SET, start=26808,
>> len=1}, 0xbff3c114) = 0
>> fcntl64(15, F_SETLKW64, {type=F_UNLCK, whence=SEEK_SET, start=26808,
>> len=1}, 0xbff3c164) = 0
>> fcntl64(14, F_SETLKW64, {type=F_RDLCK, whence=SEEK_SET, start=36380,
>> len=1}, 0xbff3c344) = 0
>> fcntl64(14, F_SETLKW64, {type=F_UNLCK, whence=SEEK_SET, start=36380,
>> len=1}, 0xbff3c3c4) = 0
>> fcntl64(14, F_SETLKW64, {type=F_RDLCK, whence=SEEK_SET, start=26808,
>> len=1}, 0xbff3c114) = 0
>> fcntl64(14, F_SETLKW64, {type=F_UNLCK, whence=SEEK_SET, start=26808,
>> len=1}, 0xbff3c164) = 0
>> fcntl64(16, F_SETLKW64, {type=F_RDLCK, whence=SEEK_SET, start=14612,
>> len=1}, 0xbff3c344) = 0
>> fcntl64(16, F_SETLKW64, {type=F_UNLCK, whence=SEEK_SET, start=14612,
>> len=1}, 0xbff3c3c4) = 0
>> fcntl64(16, F_SETLKW64, {type=F_RDLCK, whence=SEEK_SET, start=26808,
>> len=1}, 0xbff3c114) = 0
>> fcntl64(16, F_SETLKW64, {type=F_UNLCK, whence=SEEK_SET, start=26808,
>> len=1}, 0xbff3c164) = 0
>> fcntl64(17, F_SETLKW64, {type=F_RDLCK, whence=SEEK_SET, start=10100,
>> len=1}, 0xbff3c344) = 0
>> fcntl64(17, F_SETLKW64, {type=F_UNLCK, whence=SEEK_SET, start=10100,
>> len=1}, 0xbff3c3c4) = 0
>> fcntl64(17, F_SETLKW64, {type=F_RDLCK, whence=SEEK_SET, start=26808,
>> len=1}, 0xbff3c114) = 0
>> fcntl64(17, F_SETLKW64, {type=F_UNLCK, whence=SEEK_SET, start=26808,
>> len=1}, 0xbff3c164) = 0
>> fcntl64(13, F_SETLKW64, {type=F_RDLCK, whence=SEEK_SET, start=26440,
>> len=1}, 0xbff3c344) = 0
>> fcntl64(13, F_SETLKW64, {type=F_UNLCK, whence=SEEK_SET, start=26440,
>> len=1}, 0xbff3c3c4) = 0
>> fcntl64(13, F_SETLKW64, {type=F_RDLCK, whence=SEEK_SET, start=26808,
>> len=1}, 0xbff3c114) = 0
>> fcntl64(13, F_SETLKW64, {type=F_UNLCK, whence=SEEK_SET, start=26808,
>> len=1}, 0xbff3c194) = 0
>> fcntl64(13, F_SETLKW64, {type=F_RDLCK, whence=SEEK_SET, start=38868,
>> len=1}, 0xbff3c274) = 0
>> fcntl64(13, F_SETLKW64, {type=F_UNLCK, whence=SEEK_SET, start=38868,
>> len=1}, 0xbff3c2f4) = 0
>>
>>
>> Can somebody help me how can I investigate the problem?
>>
>> Sincerely,
>>
>> Papp Bence
>>
>>
>




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