[Bug 2766] rsync endless loop
samba-bugs at samba.org
samba-bugs at samba.org
Wed Jun 8 13:23:05 GMT 2005
https://bugzilla.samba.org/show_bug.cgi?id=2766
------- Additional Comments From cs at emlix.com 2005-06-08 06:23 -------
Hello again,
here's another 'wild' rsync. Same symtoms as before. What's wondering me is,
that after ltrace, there's something to see with strace - until both processes
segfault. (The final strace commands were run in paralell)
backup:~ # ps axf
PID TTY STAT TIME COMMAND
7416 ? S 0:00 | | \_ /bin/bash /root/bin/backup.external
/backup/admin/log/backup_2005-06-07-external.log
9065 ? R 581:58 | | \_ /root/bin/rsync -v --archive --delete
/backup/pserv/ daily.0/pserv
9066 ? S 0:00 | | \_ /root/bin/rsync -v --archive
--delete /backup/pserv/ daily.0/pserv
backup:~ # netstat -anp|grep rsync
unix 3 [ ] STREAM CONNECTED 2344808 9066/rsync
unix 3 [ ] STREAM CONNECTED 2344807 9065/rsync
unix 3 [ ] STREAM CONNECTED 2344806 9065/rsync
unix 3 [ ] STREAM CONNECTED 2344805 9066/rsync
backup:~ # strace -p 9065
Process 9065 attached - interrupt to quit
Process 9065 detached
backup:~ # strace -p 9066
Process 9066 attached - interrupt to quit
select(1, [0], [], NULL, {44, 568000} <unfinished ...>
Process 9066 detached
backup:~ # ltrace -p 9065 -S
backup:~ # ltrace -p 9066 -S
SYS__newselect(1, 0xbfffc700, 0xbfffc680, 0, 0xbfffc678)
= 0
__errno_location()
= 0xb7eb6600
select(1, 0xbfffc700, 0xbfffc680, 0, 0xbfffc678 <unfinished ...>
SYS__newselect(1, 0xbfffc700, 0xbfffc680, 0, 0xbfffc678 <unfinished ...>
backup:~ # strace -p 9065
Process 9065 attached - interrupt to quit
--- SIGSTOP (Stopped (signal)) @ 0 (0) ---
--- SIGSTOP (Stopped (signal)) @ 0 (0) ---
--- SIGCHLD (Child exited) @ 0 (0) ---
waitpid(-1, 0xbffee24c, WNOHANG) = 0
sigreturn() = ? (mask now [])
--- SIGCHLD (Child exited) @ 0 (0) ---
waitpid(-1, [{WIFSIGNALED(s) && WTERMSIG(s) == SIGSEGV}], WNOHANG) = 9066
waitpid(-1, 0xbffee25c, WNOHANG) = -1 ECHILD (No child processes)
sigreturn() = ? (mask now [])
--- SIGSEGV (Segmentation fault) @ 0 (0) ---
Process 9065 detached
backup:~ # strace -p 9066
Process 9066 attached - interrupt to quit
--- SIGSTOP (Stopped (signal)) @ 0 (0) ---
--- SIGSTOP (Stopped (signal)) @ 0 (0) ---
select(1, [0], [], NULL, {38, 186000}) = 0 (Timeout)
--- SIGSEGV (Segmentation fault) @ 0 (0) ---
Process 9066 detached
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