Re: 7.2.1 segfaults.

On Fri, 3 May 2002, Tom Lane wrote:

> Stephen Amadei <amadei(at)dandy(dot)net> writes:
> > I have been trying to run Postgres 7.2.1 in a chrooted environment, but
> > once I try to connect to the server with a "psql -l", it segfaults as it
> > tries to read from the data/global/1262.
>
> Urgh. Can you provide a stack trace?

You mean using strace? Yeah. The strace created quite a bit of logs, but
the process that segfaulted is included below.

If you need more, let me know.

----Steve
Stephen Amadei
Dandy.NET! CTO
Atlantic City, NJ

--------------------------------------------------

close(4) = 0
close(5) = 0
close(7) = 0
close(8) = 0
getpid() = 5217
rt_sigaction(SIGTERM, {0x810cfe8, [], SA_RESTART|0x4000000}, {0x80f45c8, [], SA_RESTART|0x4000000}, 8) = 0
rt_sigaction(SIGQUIT, {0x810cfe8, [], SA_RESTART|0x4000000}, {0x80f45c8, [], SA_RESTART|0x4000000}, 8) = 0
rt_sigaction(SIGALRM, {0x810cfe8, [], 0x4000000}, {SIG_IGN}, 8) = 0
rt_sigprocmask(SIG_SETMASK, ~[QUIT ILL TRAP ABRT BUS FPE SEGV ALRM TERM CONT UNUSED], NULL, 8) = 0
setitimer(ITIMER_REAL, {it_interval={0, 0}, it_value={60, 0}}, {it_interval={0, 0}, it_value={0, 0}}) = 0
recv(9, "\0\0\1(\0\2\0\0template1\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 8192, 0) = 296
getpid() = 5217
send(9, "R\0\0\0\0", 5, 0) = 5
setitimer(ITIMER_REAL, {it_interval={0, 0}, it_value={0, 0}}, {it_interval={0, 0}, it_value={60, 0}}) = 0
rt_sigprocmask(SIG_SETMASK, ~[ILL TRAP ABRT BUS FPE SEGV CONT UNUSED], NULL, 8) = 0
write(2, "DEBUG: connection: host=209.128"..., 69) = 69
gettimeofday({1020378083, 363259}, {240, 0}) = 0
rt_sigaction(SIGHUP, {0x810d0a0, [], SA_RESTART|0x4000000}, {0x80f4564, [], SA_RESTART|0x4000000}, 8) = 0
rt_sigaction(SIGINT, {0x810cff8, [], SA_RESTART|0x4000000}, {0x80f45c8, [], SA_RESTART|0x4000000}, 8) = 0
rt_sigaction(SIGTERM, {0x810cf78, [], SA_RESTART|0x4000000}, {0x810cfe8, [], SA_RESTART|0x4000000}, 8) = 0
rt_sigaction(SIGQUIT, {0x810cf44, [], SA_RESTART|0x4000000}, {0x810cfe8, [], SA_RESTART|0x4000000}, 8) = 0
rt_sigaction(SIGALRM, {0x8108ef0, [], 0x4000000}, {0x810cfe8, [], 0x4000000}, 8) = 0
rt_sigaction(SIGPIPE, {SIG_IGN}, {SIG_IGN}, 8) = 0
rt_sigaction(SIGUSR1, {SIG_IGN}, {0x80f5480, [], SA_RESTART|0x4000000}, 8) = 0
rt_sigaction(SIGUSR2, {0x80a8294, [], SA_RESTART|0x4000000}, {0x80f554c, [], SA_RESTART|0x4000000}, 8) = 0
rt_sigaction(SIGFPE, {0x810d088, [], SA_RESTART|0x4000000}, {SIG_DFL}, 8) = 0
rt_sigaction(SIGCHLD, {SIG_DFL}, {0x80f4808, [], SA_RESTART|0x4000000}, 8) = 0
rt_sigaction(SIGTTIN, {SIG_DFL}, {SIG_IGN}, 8) = 0
rt_sigaction(SIGTTOU, {SIG_DFL}, {SIG_IGN}, 8) = 0
rt_sigaction(SIGCONT, {SIG_DFL}, {SIG_DFL}, 8) = 0
rt_sigaction(SIGWINCH, {SIG_DFL}, {SIG_DFL}, 8) = 0
rt_sigprocmask(SIG_SETMASK, ~[QUIT ILL TRAP ABRT BUS FPE SEGV CONT UNUSED], NULL, 8) = 0
fcntl(2, F_GETFD) = 0
brk(0x820a000) = 0x820a000
brk(0x820d000) = 0x820d000
brk(0x8214000) = 0x8214000
open("/usr/local/pgsql/data/global/1262", O_RDONLY) = 4
read(4, "\0\0\0\0\f\222\20\0\7\0\0\0\34\0\244\37\0 \0 \244\37\0"..., 8192) = 8192
--- SIGSEGV (Segmentation fault) ---