Can I get some guidance from this forum if the errors highlighted in my
original email below can be a problem? I seem to be able to proceed and
initiate checkpoint both from within the application and dmtcp_coordinator.
However, the application is not continuing after checkpoint due to:
client->identity() = 542501268d386022-41000-5723c850
[22905] NOTE at dmtcp_coordinator.cpp:1030 in startCheckpoint; REASON='starting
checkpoint, suspending all nodes'
s.numPeers = 1
[22905] NOTE at dmtcp_coordinator.cpp:1032 in startCheckpoint;
REASON='Incremented computationGeneration'
compId.computationGeneration() = 1
[22905] NOTE at dmtcp_coordinator.cpp:392 in updateMinimumState;
REASON='locking all nodes'
[22905] NOTE at dmtcp_coordinator.cpp:398 in updateMinimumState;
REASON='draining all nodes'
which doesn't complete and I can keep seeing:
Message: Still draining socket... perhaps remote host is not running under
DMTCP?
[41000] WARNING at kernelbufferdrainer.cpp:125 in onTimeoutInterval;
REASON='JWARNING(false) failed'
_dataSockets[i]->socket().sockfd() = 11
buffer.size() = 0
WARN_INTERVAL_SEC = 10
Which may be a different issue and I would like advise on how to trace open
sockets.
-Ash
From: Ashutosh Varma [mailto:ashutosh.va...@synopsys.com]
Sent: Thursday, April 28, 2016 4:23 PM
To: dmtcp-forum@lists.sourceforge.net
Subject: [Dmtcp-forum] 32-bit executable and LD_PRELOAD errors
I have two issues:
[100528] WARNING at dmtcp_launch.cpp:762 in setLDPreloadLibs;
REASON='JWARNING(libdmtcp != "libdmtcp.so") failed'
libdmtcp = libdmtcp.so
Message: You appear to be checkpointing a 32-bit target under 64-bit Linux.
DMTCP was unable to find the 32-bit installation.
See DMTCP FAQ or try:
./configure --enable-m32 && make clean && make -j && make install
./configure && make clean && make -j && make install
ERROR: ld.so: object 'libdmtcp_alloc.so' from LD_PRELOAD cannot be preloaded:
ignored.
ERROR: ld.so: object 'libdmtcp_dl.so' from LD_PRELOAD cannot be preloaded:
ignored.
ERROR: ld.so: object 'libdmtcp_ipc.so' from LD_PRELOAD cannot be preloaded:
ignored.
ERROR: ld.so: object 'libdmtcp_svipc.so' from LD_PRELOAD cannot be preloaded:
ignored.
ERROR: ld.so: object 'libdmtcp_timer.so' from LD_PRELOAD cannot be preloaded:
ignored.
ERROR: ld.so: object 'libdmtcp.so' from LD_PRELOAD cannot be preloaded: ignored.
ERROR: ld.so: object 'libdmtcp_pid.so' from LD_PRELOAD cannot be preloaded:
ignored.
[40000] WARNING at dlwrappers.cpp:75 in dlopen; REASON='JWARNING(ret) failed'
filename = libnspr4.so
flag = 5
Message: dlopen failed. You may also see a message 'ERROR: ld.so:'
from libdl.so. If this happens only under DMTCP, then consider setting
the environment variable DMTCP_DL_PLUGIN to "0" before 'dmtcp_launch'.
If the problem persists, please write to the DMTCP developers.
Are both related to the fact that DMTCP is compiled for 64 bit while the binary
app is 32 bit? It does go ahead even after this error though I could not try
checkpointing for some other reasons.
-Ash
------------------------------------------------------------------------------
Find and fix application performance issues faster with Applications Manager
Applications Manager provides deep performance insights into multiple tiers of
your business applications. It resolves application problems quickly and
reduces your MTTR. Get your free trial!
https://ad.doubleclick.net/ddm/clk/302982198;130105516;z
_______________________________________________
Dmtcp-forum mailing list
Dmtcp-forum@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/dmtcp-forum
