[Fwd: smbstatus getting a SIGBUS error]

Arnold Troeger stssart at bkk.unocal.com
Thu Jun 8 07:34:15 GMT 2000



-------- Original Message --------
Subject: smbstatus getting a SIGBUS error
Date: Thu, 08 Jun 2000 13:52:13 +0700
From: Arnold Troeger <stssart at bkk.unocal.com>
To: samba-bugs at samba.org
CC: arnold.troeger at bkk.unocal.com

I'm running Samba 2.0.7 and have been having a few problems with it.
Just to keep things focused, I'll stick with smbstatus as this one has
been the longest lasting problem.  The problem:  smbstatus functions
normally for some small bit of time after the samba daemons are
started.  At some point after a significant number of users have
connected to the Samba server, smbstatus starts crashing with a bus
error.  In this state, it will report on the connections but fails when
looking at the locks.  I had a go at running gdb on the program and have
located the point of failure in "locking_shm.c" in the shm_share_forall
routine: line 636

(gdb) s
shm_offset2addr (offset=1096040751) at ../locking/shmem_sysv.c:154
154        if (offset == 0 )
(gdb) s
157        if (!shm_header_p)
(gdb) s
160        return (void *)((char *)shm_header_p + offset);
(gdb) s
161     }
(gdb) s
shm_share_forall (fn=0x136b4 <print_share_mode>)
    at ../locking/locking_shm.c:634
634                             while(entry_scanner_p != 0) {
(gdb) s
636                                     if
(process_exists(entry_scanner_p->e.pid)) {
(gdb) s

Program received signal SIGBUS, Bus error.
0x17b88 in shm_share_forall (fn=0x136b4 <print_share_mode>)
    at ../locking/locking_shm.c:636
636                                     if
(process_exists(entry_scanner_p->e.pid)) {
(gdb)

My Samba server is an E4000 with 6 CPUs running Solaris 2.6 and set up
with 1.3 TeraBytes of disk.

Thanks in advance for your assistance.

Best regards,
Arnold

--
Arnold Troeger                          Unocal Thailand
Phone:  011-66-2-545-5456               5th Floor, Tower 3, SCB Park
Plaza
FAX:    011-66-2-545-5374               19 Ratchadapisek Road, Chatuchak
Email:  Arnold.Troeger at bkk.unocal.com   Bangkok 10900, Thailand
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