[petsc-users] MatPermuteSparsify hanging

Kelly Fermoyle kjf198 at cse.psu.edu
Mon Nov 29 13:28:55 CST 2010


Barry,

I am using a Cray machine and it requires that I call as aprun -n 1
./prog_name, which does not seem to work with -start_in_debugger.

Jed,

Below is the output of the full backtrace:

-Kelly


[Thread debugging using libthread_db enabled]
[New Thread 47303838703712 (LWP 30863)]

Program received signal SIGINT, Interrupt.
[Switching to Thread 47303838703712 (LWP 30863)]
0x00002b05c868197f in poll () from /lib64/libc.so.6
(gdb) backtrace full
#0  0x00002b05c868197f in poll () from /lib64/libc.so.6
No symbol table info available.
#1  0x0000000000405ec6 in control_loop (argc=20, argv=0x7fffe2814538) at
aprun.c:1137
	l = (List) 0x58b6d0
	i = 4
	pollRet = 0
	ret = 0
	numClients = 0
	currNumPoll = 4
	connAttempt = 0
	controlConnClosed = 0
	readFail = 0
	apsysIndex = 0
	pipeInt = 0
	nRead = 0
	dropConnCheck = 0
	xferCnt = 0
	chkpntBlocked = 1
	apsys_socket_temp = 0
	buf = '\0' <repeats 16 times>,
"?gW\000\000\000\000\000`hW\000\000\000\000\000\220?X\000\000\000\000\000
`W\000\000\000\000\000
`W\000\000\000\000\000\000?W\000\000\000\000\000/usr/bin/gzip --fast -c
-- ./SolveTest.exe", '\0' <repeats 8085 times>
	emsg = 0x0
	tcpInfoMsg = 0x0
	tcpInfo = {tcpi_state = 0 '\0', tcpi_ca_state = 0 '\0', tcpi_retransmits
= 0 '\0', tcpi_probes = 0 '\0',
  tcpi_backoff = 0 '\0', tcpi_options = 0 '\0', tcpi_snd_wscale = 0 '\0',
tcpi_rcv_wscale = 0 '\0', tcpi_rto = 0, tcpi_ato = 0,
  tcpi_snd_mss = 0, tcpi_rcv_mss = 0, tcpi_unacked = 0, tcpi_sacked = 0,
tcpi_lost = 0, tcpi_retrans = 0, tcpi_fackets = 0,
  tcpi_last_data_sent = 0, tcpi_last_ack_sent = 0, tcpi_last_data_recv =
0, tcpi_last_ack_recv = 5731168, tcpi_pmtu = 0,
  tcpi_rcv_ssthresh = 1, tcpi_rtt = 1, tcpi_rttvar = 0, tcpi_snd_ssthresh
= 0, tcpi_snd_cwnd = 0, tcpi_advmss = 0, tcpi_reordering = 0}
	timeNow = 0
	lastConnLog = 0
	restartLaunch = (XMLRPC_REQUEST) 0x0
#2  0x0000000000403be7 in main (argc=20, argv=0x7fffe2814538) at aprun.c:225
	maxNumPoll = 1024
	rlim = {rlim_cur = 1024, rlim_max = 1024}
	launch = (XMLRPC_REQUEST) 0x576980
	emsg = 0x0
(gdb)







> On Mon, Nov 29, 2010 at 20:15, Kelly Fermoyle <kjf198 at cse.psu.edu> wrote:
>
>> I tried it in the debugger, and it said
>> that aprun was calling poll(), I don't know what that means.
>>
>
> Type "backtrace full" and send the results.
>
> Jed
>



More information about the petsc-users mailing list