[Samba] nmbd dying
Chris Garrigues
cwg-dated-1081786051.a3e651 at deepeddy.com
Wed Apr 7 16:07:29 GMT 2004
I have upgraded to 3.0.2a-2mdk in order to solve another issue, but this still
happens about once a day (but not always the same time). Can anybody suggest
a useful debugging strategy?
> From: Chris Garrigues <cwg-dated-1080758824.5e01a5 at deepeddy.com>
> Date: Fri, 26 Mar 2004 12:47:02 -0600
>
> nmbd has been dying on me occasionally. I'm running mandrake 9.2 with
> samba3-server-3.0.0-2mdk. We've got our users in ldap but I'd seen this
> symptom previously when I was using an earlier version of samba that didn't
> support ldap. There is nothing useful in the logs and a PS shows a nmb
> process still running.
>
>
> This last time around, I had a ptrace running on both nmbd processes and found
> that the parent process was the one still running, but the child process
> had died. Here's the end of the ptrace of the child:
>
> poll([{fd=9, events=POLLIN, revents=POLLIN}], 1, 5000) = 1
> ioctl(9, FIONREAD, [81]) = 0
> recvfrom(9, "\t\1\201\200\0\1\0\2\0\0\0\0\vBORDER-ACCT\tbordere"..., 1024,
> 0, {sa_family=AF_INET, sin_port=htons(53), sin_addr=inet_addr("127.0.0.1")}
> , [16]) = 81
> close(9) = 0
> write(5, "BORDER-ACCT\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 88) =
> 88
> read(6, "ACCTMAX\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 88) =
> 88
> open("/etc/hosts", O_RDONLY) = 9
> fcntl64(9, F_GETFD) = 0
> fcntl64(9, F_SETFD, FD_CLOEXEC) = 0
> fstat64(9, {st_mode=S_IFREG|0644, st_size=154, ...}) = 0
> mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
> 0x40018000
> read(9, "# Generated automatically from h"..., 4096) = 154
> read(9, "", 4096) = 0
> close(9) = 0
> munmap(0x40018000, 4096) = 0
> socket(PF_INET, SOCK_DGRAM, IPPROTO_IP) = 9
> connect(9, {sa_family=AF_INET, sin_port=htons(53), sin_addr=inet_addr("127.
> 0.0.1")}, 28) = 0
> send(9, "\t\2\1\0\0\1\0\0\0\0\0\0\7ACCTMAX\tborderent\3c"..., 39, 0) = 39
> gettimeofday({1080304120, 623860}, NULL) = 0
> poll([{fd=9, events=POLLIN, revents=POLLIN}], 1, 5000) = 1
> ioctl(9, FIONREAD, [55]) = 0
> recvfrom(9, "\t\2\201\200\0\1\0\1\0\0\0\0\7ACCTMAX\tborderent\3c"..., 1024,
> 0, {sa_family=AF_INET, sin_port=htons(53), sin_addr=inet_addr("127.0.0.1")
> }, [16]) = 55
> close(9) = 0
> write(5, "ACCTMAX\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 88)
> = 88
> read(6, "BARBARA3\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 88) =
> 88
> open("/etc/hosts", O_RDONLY) = 9
> fcntl64(9, F_GETFD) = 0
> fcntl64(9, F_SETFD, FD_CLOEXEC) = 0
> fstat64(9, {st_mode=S_IFREG|0644, st_size=154, ...}) = 0
> mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
> 0x40018000
> read(9, "# Generated automatically from h"..., 4096) = 154
> read(9, "", 4096) = 0
> close(9) = 0
> munmap(0x40018000, 4096) = 0
> socket(PF_INET, SOCK_DGRAM, IPPROTO_IP) = 9
> connect(9, {sa_family=AF_INET, sin_port=htons(53), sin_addr=inet_addr("127.
> 0.0.1")}, 28) = 0
> send(9, "\t\3\1\0\0\1\0\0\0\0\0\0\10BARBARA3\tborderent\3"..., 40, 0) = 40
> gettimeofday({1080325192, 628139}, NULL) = 0
> poll([{fd=9, events=POLLIN, revents=POLLIN}], 1, 5000) = 1
> ioctl(9, FIONREAD, [40]) = 0
> recvfrom(9, "\t\3\205\203\0\1\0\0\0\0\0\0\10BARBARA3\tborderent\3"..., 1024
> , 0, {sa_family=AF_INET, sin_port=htons(53), sin_addr=inet_addr("127.0.0.1"
> )}, [16]) = 40
> close(9) = 0
> socket(PF_INET, SOCK_DGRAM, IPPROTO_IP) = 9
> connect(9, {sa_family=AF_INET, sin_port=htons(53), sin_addr=inet_addr("127.
> 0.0.1")}, 28) = 0
> send(9, "\t\4\1\0\0\1\0\0\0\0\0\0\10BARBARA3\10trinsics\3c"..., 39, 0) = 39
> gettimeofday({1080325192, 680132}, NULL) = 0
> poll([{fd=9, events=POLLIN, revents=POLLIN}], 1, 5000) = 1
> ioctl(9, FIONREAD, [39]) = 0
> recvfrom(9, "\t\4\205\203\0\1\0\0\0\0\0\0\10BARBARA3\10trinsics\3c"..., 102
> 4, 0, {sa_family=AF_INET, sin_port=htons(53), sin_addr=inet_addr("127.0.0.1
> ")}, [16]) = 39
> close(9) = 0
> socket(PF_INET, SOCK_DGRAM, IPPROTO_IP) = 9
> connect(9, {sa_family=AF_INET, sin_port=htons(53), sin_addr=inet_addr("127.
> 0.0.1")}, 28) = 0
> send(9, "\t\5\1\0\0\1\0\0\0\0\0\0\10BARBARA3\0\0\1\0\1", 26, 0) = 26
> gettimeofday({1080325192, 698896}, NULL) = 0
> poll([{fd=9, events=POLLIN, revents=POLLIN}], 1, 5000) = 1
> ioctl(9, FIONREAD, [26]) = 0
> recvfrom(9, "\t\5\205\203\0\1\0\0\0\0\0\0\10BARBARA3\0\0\1\0\1", 1024, 0, {
> sa_family=AF_INET, sin_port=htons(53), sin_addr=inet_addr("127.0.0.1")}, [1
> 6]) = 26
> close(9) = 0
> rt_sigprocmask(SIG_BLOCK, [PIPE], [FPE USR2], 8) = 0
> getpid() = 15056
> geteuid32() = 0
> getpid() = 15056
> geteuid32() = 0
> time(NULL) = 1080325192
> write(8, "0o\2\1\4cj\4\34ou=Hosts,dc=borderent,d"..., 113) = 113
> select(1024, [8], [], NULL, NULL) = 1 (in [8])
> read(8, "", 8) = 0
> write(8, "0\5\2\1\5B\0", 7) = -1 EPIPE (Broken pipe)
> shutdown(8, 2 /* send and receive */) = -1 ENOTCONN (Transport endpoint i
> s not connected)
> close(8) = 0
> time([1080325192]) = 1080325192
> getpid() = 15056
> rt_sigaction(SIGPIPE, {0x402192e0, [], SA_RESTORER, 0x4016aca8}, {SIG_DFL},
> 8) = 0
> socket(PF_UNIX, SOCK_DGRAM, 0) = 8
> fcntl64(8, F_SETFD, FD_CLOEXEC) = 0
> connect(8, {sa_family=AF_UNIX, path="/dev/log"}, 16) = -1 ECONNREFUSED (Con
> nection refused)
> close(8) = 0
> rt_sigaction(SIGPIPE, {SIG_DFL}, NULL, 8) = 0
> getpid() = 15056
> geteuid32() = 0
> socket(PF_INET, SOCK_STREAM, IPPROTO_IP) = 8
> setsockopt(8, SOL_TCP, TCP_NODELAY, [1], 4) = 0
> fcntl64(8, F_GETFL) = 0x2 (flags O_RDWR)
> fcntl64(8, F_SETFL, O_RDWR|O_NONBLOCK) = 0
> connect(8, {sa_family=AF_INET, sin_port=htons(389), sin_addr=inet_addr("127
> .0.0.1")}, 16) = -1 EINPROGRESS (Operation now in progress)
> select(1024, NULL, [8], NULL, {30, 0}) = 1 (out [8], left {30, 0})
> getpeername(8, {sa_family=AF_INET, sin_port=htons(389), sin_addr=inet_addr(
> "127.0.0.1")}, [16]) = 0
> fcntl64(8, F_GETFL) = 0x802 (flags O_RDWR|O_NONBLOCK)
> fcntl64(8, F_SETFL, O_RDWR) = 0
> getpeername(8, {sa_family=AF_INET, sin_port=htons(389), sin_addr=inet_addr(
> "127.0.0.1")}, [16]) = 0
> uname({sys="Linux", node="Border.BorderEnt.Com", ...}) = 0
> time(NULL) = 1080325192
> write(8, "0\f\2\1\1`\7\2\1\3\4\0\200\0", 14) = 14
> time(NULL) = 1080325192
> select(1024, [8], [], NULL, {30, 0}) = 1 (in [8], left {30, 0})
> read(8, "0\f\2\1\1a\7\n", 8) = 8
> read(8, "\1\0\4\0\4\0", 6) = 6
> time(NULL) = 1080325192
> setsockopt(8, SOL_SOCKET, SO_KEEPALIVE, [0], 4) = 0
> fcntl64(8, F_SETFD, FD_CLOEXEC) = 0
> getsockname(8, {sa_family=AF_INET, sin_port=htons(4256), sin_addr=inet_addr
> ("127.0.0.1")}, [16]) = 0
> getpeername(8, {sa_family=AF_INET, sin_port=htons(389), sin_addr=inet_addr(
> "127.0.0.1")}, [16]) = 0
> time([1080325192]) = 1080325192
> time(NULL) = 1080325192
> write(8, "0o\2\1\2cj\4\34ou=Hosts,dc=borderent,d"..., 113) = 113
> select(1024, [8], [], NULL, NULL) = 1 (in [8])
> read(8, "0\37\2\1\2e\32\n", 8) = 8
> read(8, "\1 \4\23dc=borderent,dc=com\4\0", 25) = 25
> time(NULL) = 1080325192
> rt_sigprocmask(SIG_SETMASK, [FPE USR2], NULL, 8) = 0
> --- SIGPIPE (Broken pipe) @ 0 (0) ---
> +++ killed by SIGPIPE +++
>
> I'm in over my head on this one. Any idea where I should look next?
--
Chris Garrigues http://www.DeepEddy.Com/~cwg/
Trinsic Solutions http://www.trinsics.com
1611-B West 6th Street
Austin, TX 78703-5074 512-322-0180
If you don't apply what you've learned, you haven't
learned anything.
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