Attachment 830 Details for Bug 948 – ps output and dbx traceback

ps output and dbx traceback

dbx-trace-2-18-05.txt (text/plain), 3.31 KB, created by Albert Lunde on 2005-02-19 11:38:53 AEDT

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Creator: Albert Lunde

Created: 2005-02-19 11:38:53 AEDT

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obsolete

>after running
>
>ab -n 100 -t 30 -c 50 http://HOSTNAME:4022/
>
>on a host blocked by tcp_wrappers
>- -
># ps -ef | egrep '(ssh|sftp|prngd)' ; uptime
>   prngd 13923     1  0   Feb 07 ?       16:46 /local-adm-pub/bin/prngd /local-adm-pub/prngd/egd-pool
>    root  9081     1  0 17:50:18 ?        0:02 /usr/local/src/openssh/openssh-SNAP-20050204/sshd -p 4022
>    root 11466  9081 17 18:10:17 ?        0:40 /usr/local/src/openssh/openssh-SNAP-20050204/sshd -p 4022 -R
>    root  7894 12285  0 17:27:42 ?        0:00 /usr/local/openssh/sbin/sshd -R
>    root 11386  9081 29 18:10:11 ?        0:46 /usr/local/src/openssh/openssh-SNAP-20050204/sshd -p 4022 -R
>    root 12285     1  0 10:39:09 ?        0:02 /usr/local/openssh/sbin/sshd
>    root 11710  7916  0 18:11:54 pts/2    0:00 egrep (ssh|sftp|prngd)
>    root  9293 12285  0 17:55:23 ?        0:00 /usr/local/openssh/sbin/sshd -R
>    root  8973 12285  0 17:46:48 ?        0:00 /usr/local/openssh/sbin/sshd -R
>    root  9250 12285  0 17:54:48 ?        0:00 /usr/local/openssh/sbin/sshd -R
>  6:11pm  up 236 day(s), 12:17,  5 users,  load average: 3.95, 2.35, 1.59
>- - -
>I killed all but one high cpu process, and traced that one with dbx
>- - -
>dbx /usr/local/src/openssh/openssh-SNAP-20050204/sshd 11386
>changes (topic)
>The major new features of this release relative to 6.1 are:
>
>o The dbx environment variable "rtc_use_traps" has been removed. 
>  Traps are used automatically as long as the hardware is UltraSparc.
>o There is now some basic support for looking at core files from 
>  different versions of Solaris. See `help core mismatch' for details.
>o Stepping to a specific function support. See `help step to' for details.
>o Fortran intrinsics support on Intel has been removed.
>o Dbx automatically translates some old dbxenv variables to their new
>  names. See `help dbxenv' for details.
>o The default command-line editing mode is now emacs. See "How do I enable
>  command-line editing?" in FAQ for details (`help FAQ').
>o Two new collector commands have been implemented: `pause' and `resume'.
>  See `help collector' for details.
>o The collector enable_once command has been removed.
>o The collector store command has been extended to include experiment groups.
>  
>See also `help changes61'
>
>
>To suppress this message, add the following line to your .dbxrc file:
>
>        dbxenv suppress_startup_message 6.2
>Reading sshd
>Reading ld.so.1
>Reading libpam.so.1
>Reading libdl.so.1
>Reading libresolv.so.2
>Reading librt.so.1
>Reading libz.so
>Reading libsocket.so.1
>Reading libnsl.so.1
>Reading libc.so.1
>Reading libaio.so.1
>Reading libgcc_s.so.1
>Reading libmp.so.2
>Reading libc_psr.so.1
>Attached to process 11386
>stopped in _libc_read at 0xff11e468
>0xff11e468: _libc_read+0x000c:  bgeu    _libc_read+0x40
>(/opt/SUNWspro/bin/../WS6U2/bin/sparcv9/dbx) where                           
>=>[1] _libc_read(0x0, 0xffbeef1e, 0x1, 0x1, 0x21e38, 0xdaaf0), at 0xff11e468
>  [2] RAND_query_egd_bytes(0x0, 0xffbef008, 0x20, 0x2, 0x13, 0xc46f0), at 0xdaaf0
>  [3] RAND_poll(0xa, 0x2400, 0x11afc4, 0x136400, 0xffffffff, 0x136790), at 0xc48d0
>  [4] ssleay_rand_status(0x0, 0x0, 0x20, 0x106a35, 0x22718, 0xff0ba34c), at 0xc4658
>  [5] seed_rng(0x0, 0xff13c000, 0x0, 0xffbefbac, 0x106a34, 0x140638), at 0x6df24
>  [6] main(0x4, 0xffbefb24, 0xffffffff, 0xffffffff, 0xffffffff, 0x4), at 0x2f950
>(/opt/SUNWspro/bin/../WS6U2/bin/sparcv9/dbx) exit
>detaching from process 11386
>- - -

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