[Dovecot] Dovecot lock problem
Simon Gao
Simon.Gao at schrodinger.com
Wed Nov 4 21:36:14 EET 2009
> >What is the process doing? Check with "strace -p <imap process pid>"?
> >How large is the user's mailbox?
We just have another user reporting problem. There is no lock on
/var/spool/mail/<user> file.
The strace has following:
# strace -p 8117
Process 8117 attached - interrupt to quit
fcntl64(8, F_SETLKW64, {type=F_WRLCK, whence=SEEK_SET, start=0, len=0},
0xff9f4db4) = ? ERESTARTSYS (To be restarted)
--- SIGALRM (Alarm clock) @ 0 (0) ---
sigreturn() = ? (mask now [])
time(NULL) = 1257362101
alarm(5) = 0
time(NULL) = 1257362101
fcntl64(8, F_SETLKW64, {type=F_WRLCK, whence=SEEK_SET, start=0, len=0},
0xff9f4db4) = ? ERESTARTSYS (To be restarted)
--- SIGALRM (Alarm clock) @ 0 (0) ---
sigreturn() = ? (mask now [])
time(NULL) = 1257362106
alarm(5) = 0
time(NULL) = 1257362106
fcntl64(8, F_SETLKW64, {type=F_WRLCK, whence=SEEK_SET, start=0, len=0},
0xff9f4db4) = ? ERESTARTSYS (To be restarted)
--- SIGALRM (Alarm clock) @ 0 (0) ---
sigreturn() = ? (mask now [])
time(NULL) = 1257362111
alarm(5) = 0
time(NULL) = 1257362111
fcntl64(8, F_SETLKW64, {type=F_WRLCK, whence=SEEK_SET, start=0, len=0},
0xff9f4db4) = ? ERESTARTSYS (To be restarted)
--- SIGALRM (Alarm clock) @ 0 (0) ---
sigreturn() = ? (mask now [])
time(NULL) = 1257362116
alarm(5) = 0
time(NULL) = 1257362116
fcntl64(8, F_SETLKW64, {type=F_WRLCK, whence=SEEK_SET, start=0, len=0},
0xff9f4db4) = ? ERESTARTSYS (To be restarted)
--- SIGALRM (Alarm clock) @ 0 (0) ---
sigreturn() = ? (mask now [])
time(NULL) = 1257362121
alarm(5) = 0
time(NULL) = 1257362121
fcntl64(8, F_SETLKW64, {type=F_WRLCK, whence=SEEK_SET, start=0, len=0},
0xff9f4db4) = ? ERESTARTSYS (To be restarted)
--- SIGALRM (Alarm clock) @ 0 (0) ---
sigreturn() = ? (mask now [])
time(NULL) = 1257362126
alarm(5) = 0
time(NULL) = 1257362126
fcntl64(8, F_SETLKW64, {type=F_WRLCK, whence=SEEK_SET, start=0, len=0},
0xff9f4db4) = ? ERESTARTSYS (To be restarted)
--- SIGALRM (Alarm clock) @ 0 (0) ---
sigreturn() = ? (mask now [])
time(NULL) = 1257362131
alarm(5) = 0
time(NULL) = 1257362131
fcntl64(8, F_SETLKW64, {type=F_WRLCK, whence=SEEK_SET, start=0, len=0},
0xff9f4db4) = ? ERESTARTSYS (To be restarted)
--- SIGALRM (Alarm clock) @ 0 (0) ---
sigreturn() = ? (mask now [])
time(NULL) = 1257362136
alarm(5) = 0
time(NULL) = 1257362136
fcntl64(8, F_SETLKW64, {type=F_WRLCK, whence=SEEK_SET, start=0, len=0},
0xff9f4db4) = ? ERESTARTSYS (To be restarted)
--- SIGALRM (Alarm clock) @ 0 (0) ---
sigreturn() = ? (mask now [])
time(NULL) = 1257362141
alarm(5) = 0
time(NULL) = 1257362141
fcntl64(8, F_SETLKW64, {type=F_WRLCK, whence=SEEK_SET, start=0, len=0},
0xff9f4db4) = ? ERESTARTSYS (To be restarted)
--- SIGALRM (Alarm clock) @ 0 (0) ---
sigreturn() = ? (mask now [])
time(NULL) = 1257362146
alarm(5) = 0
time(NULL) = 1257362146
fcntl64(8, F_SETLKW64, {type=F_WRLCK, whence=SEEK_SET, start=0, len=0}
# strace -p 8117
Process 8117 attached - interrupt to quit
fcntl64(8, F_SETLKW64, {type=F_WRLCK, whence=SEEK_SET, start=0, len=0},
0xff9f4db4) = ? ERESTARTSYS (To be restarted)
--- SIGALRM (Alarm clock) @ 0 (0) ---
sigreturn() = ? (mask now [])
time(NULL) = 1257362101
alarm(5) = 0
time(NULL) = 1257362101
fcntl64(8, F_SETLKW64, {type=F_WRLCK, whence=SEEK_SET, start=0, len=0},
0xff9f4db4) = ? ERESTARTSYS (To be restarted)
--- SIGALRM (Alarm clock) @ 0 (0) ---
sigreturn() = ? (mask now [])
time(NULL) = 1257362106
alarm(5) = 0
time(NULL) = 1257362106
fcntl64(8, F_SETLKW64, {type=F_WRLCK, whence=SEEK_SET, start=0, len=0},
0xff9f4db4) = ? ERESTARTSYS (To be restarted)
--- SIGALRM (Alarm clock) @ 0 (0) ---
sigreturn() = ? (mask now [])
time(NULL) = 1257362111
alarm(5) = 0
time(NULL) = 1257362111
fcntl64(8, F_SETLKW64, {type=F_WRLCK, whence=SEEK_SET, start=0, len=0},
0xff9f4db4) = ? ERESTARTSYS (To be restarted)
--- SIGALRM (Alarm clock) @ 0 (0) ---
sigreturn() = ? (mask now [])
time(NULL) = 1257362116
alarm(5) = 0
time(NULL) = 1257362116
fcntl64(8, F_SETLKW64, {type=F_WRLCK, whence=SEEK_SET, start=0, len=0},
0xff9f4db4) = ? ERESTARTSYS (To be restarted)
--- SIGALRM (Alarm clock) @ 0 (0) ---
sigreturn() = ? (mask now [])
time(NULL) = 1257362121
alarm(5) = 0
time(NULL) = 1257362121
fcntl64(8, F_SETLKW64, {type=F_WRLCK, whence=SEEK_SET, start=0, len=0},
0xff9f4db4) = ? ERESTARTSYS (To be restarted)
--- SIGALRM (Alarm clock) @ 0 (0) ---
sigreturn() = ? (mask now [])
time(NULL) = 1257362126
alarm(5) = 0
time(NULL) = 1257362126
fcntl64(8, F_SETLKW64, {type=F_WRLCK, whence=SEEK_SET, start=0, len=0},
0xff9f4db4) = ? ERESTARTSYS (To be restarted)
--- SIGALRM (Alarm clock) @ 0 (0) ---
sigreturn() = ? (mask now [])
time(NULL) = 1257362131
alarm(5) = 0
time(NULL) = 1257362131
fcntl64(8, F_SETLKW64, {type=F_WRLCK, whence=SEEK_SET, start=0, len=0},
0xff9f4db4) = ? ERESTARTSYS (To be restarted)
--- SIGALRM (Alarm clock) @ 0 (0) ---
sigreturn() = ? (mask now [])
time(NULL) = 1257362136
alarm(5) = 0
time(NULL) = 1257362136
fcntl64(8, F_SETLKW64, {type=F_WRLCK, whence=SEEK_SET, start=0, len=0},
0xff9f4db4) = ? ERESTARTSYS (To be restarted)
--- SIGALRM (Alarm clock) @ 0 (0) ---
sigreturn() = ? (mask now [])
time(NULL) = 1257362141
alarm(5) = 0
time(NULL) = 1257362141
fcntl64(8, F_SETLKW64, {type=F_WRLCK, whence=SEEK_SET, start=0, len=0},
0xff9f4db4) = ? ERESTARTSYS (To be restarted)
--- SIGALRM (Alarm clock) @ 0 (0) ---
sigreturn() = ? (mask now [])
time(NULL) = 1257362146
alarm(5) = 0
time(NULL) = 1257362146
fcntl64(8, F_SETLKW64, {type=F_WRLCK, whence=SEEK_SET, start=0, len=0},
0xff9f4db4) = ? ERESTARTSYS (To be restarted)
--- SIGALRM (Alarm clock) @ 0 (0) ---
sigreturn() = ? (mask now [])
time(NULL) = 1257362151
alarm(5) = 0
time(NULL) = 1257362151
fcntl64(8, F_SETLKW64, {type=F_WRLCK, whence=SEEK_SET, start=0, len=0},
0xff9f4db4) = ? ERESTARTSYS (To be restarted)
--- SIGALRM (Alarm clock) @ 0 (0) ---
sigreturn() = ? (mask now [])
time(NULL) = 1257362156
alarm(5) = 0
time(NULL) = 1257362156
fcntl64(8, F_SETLKW64, {type=F_WRLCK, whence=SEEK_SET, start=0, len=0},
0xff9f4db4) = ? ERESTARTSYS (To be restarted)
--- SIGALRM (Alarm clock) @ 0 (0) ---
sigreturn() = ? (mask now [])
time(NULL) = 1257362161
alarm(5) = 0
time(NULL) = 1257362161
fcntl64(8, F_SETLKW64, {type=F_WRLCK, whence=SEEK_SET, start=0, len=0},
0xff9f4db4) = ? ERESTARTSYS (To be restarted)
--- SIGALRM (Alarm clock) @ 0 (0) ---
sigreturn() = ? (mask now [])
time(NULL) = 1257362166
alarm(5) = 0
time(NULL) = 1257362166
fcntl64(8, F_SETLKW64, {type=F_WRLCK, whence=SEEK_SET, start=0, len=0},
0xff9f4db4) = ? ERESTARTSYS (To be restarted)
--- SIGALRM (Alarm clock) @ 0 (0) ---
sigreturn() = ? (mask now [])
time(NULL) = 1257362171
alarm(5) = 0
time(NULL) = 1257362171
fcntl64(8, F_SETLKW64, {type=F_WRLCK, whence=SEEK_SET, start=0, len=0},
0xff9f4db4) = ? ERESTARTSYS (To be restarted)
--- SIGALRM (Alarm clock) @ 0 (0) ---
sigreturn() = ? (mask now [])
time(NULL) = 1257362176
alarm(5) = 0
time(NULL) = 1257362176
fcntl64(8, F_SETLKW64, {type=F_WRLCK, whence=SEEK_SET, start=0, len=0},
0xff9f4db4) = ? ERESTARTSYS (To be restarted)
--- SIGALRM (Alarm clock) @ 0 (0) ---
sigreturn() = ? (mask now [])
time(NULL) = 1257362181
alarm(5) = 0
time(NULL) = 1257362181
fcntl64(8, F_SETLKW64, {type=F_WRLCK, whence=SEEK_SET, start=0, len=0}
I did see somewhere log says "no lock file found, abort, etc".
Simon
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