No worries Rohan, and thanks!!
On Tue, May 31, 2016 at 2:41 PM, Rohan Garg <rohg...@ccs.neu.edu> wrote:
> Hi Brian,
>
> Thanks for reporting this issue, and sorry about the delayed response. I
> didn't
> get time to update the issue you created on Github. I can confirm that we
> can
> reproduce this issue locally, and that we are working on it. It's strange
> that
> we never caught this with the 'make check' test suite. Anyway, we should
> have a
> fix for this soon.
>
> -Rohan
>
> ----- Original Message -----
> From: "Brian Koebbe" <koe...@wustl.edu>
> To: "dmtcp-forum" <dmtcp-forum@lists.sourceforge.net>
> Sent: Tuesday, May 31, 2016 11:57:45 AM
> Subject: [Dmtcp-forum] vDSO/vvar overlapping addresses after a few restarts
>
> Hi all,
>
> Apologies for repeating myself, as I've submitted my issue here
> https://github.com/dmtcp/dmtcp/issues/392 ... but perhaps I should have
> posted here before doing so?
>
>
> I'm getting overlapping address errors on my attempts to use dmtcp (2.4.4
> or 2.5.0-rc2) on Ubuntu 15.04, 15.10, or 16.04. The second restart produces
> something like the following:
>
> [13182] mtcp_restart.c:682 unmap_memory_areas_and_restore_vdso:
> *** MTCP Error: Overlapping addresses for older and newer
> vDSO/vvar sections.
> vdsoStart: 0x7fffefffd000 vdsoEnd: 0x7fffeffff000 vvarStart:
> 0x7fffefffb000 vvarEnd: 0x7fffefffd000
> rinfo:vdsoStart: 0x7fffefffa000 vdsoEnd: 0x7fffefffc000 vvarStart:
> 0x7fffefff8000 vvarEnd: 0x7fffefffa000
>
> Ubuntu 12.04 seems to work OK (maybe due to no [vvar]?)
>
> To reproduce:
>
> With `dmtcp_coordinator -p 12345 -i 15` running...
>
> $ dmtcp_launch -p 12345 --no-gzip bash do_stuff.sh
>
> ---- CTRL-C after a checkpoint or two
>
> $ ./dmtcp_restart_script.sh
>
> ---- CTRL-C after a checkpoint or two
>
> $ ./dmtcp_restart_script.sh
>
> [13182] mtcp_restart.c:682 unmap_memory_areas_and_restore_vdso:
> *** MTCP Error: Overlapping addresses for older and newer
> vDSO/vvar sections.
> vdsoStart: 0x7fffefffd000 vdsoEnd: 0x7fffeffff000 vvarStart:
> 0x7fffefffb000 vvarEnd: 0x7fffefffd000
> rinfo:vdsoStart: 0x7fffefffa000 vdsoEnd: 0x7fffefffc000 vvarStart:
> 0x7fffefff8000 vvarEnd: 0x7fffefffa000
>
>
> do_stuff.sh
> ---------------
>
> #!/bin/bash
> x=0
> while [ 1 ]; do
> echo $x
> sleep 10
> x=$(( x + 1 ))
> done
>
> Any help would be much appreciated.
>
> Thanks,
> Brian
>
>
> ------------------------------------------------------------------------------
> What NetFlow Analyzer can do for you? Monitors network bandwidth and
> traffic
> patterns at an interface-level. Reveals which users, apps, and protocols
> are
> consuming the most bandwidth. Provides multi-vendor support for NetFlow,
> J-Flow, sFlow and other flows. Make informed decisions using capacity
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--
Brian Koebbe
Systems Manager
Center for Genome Sciences and Systems Biology
Washington University in St. Louis
4515 McKinley Ave, Rm 5215
Box 8510
St Louis, MO 63110
------------------------------------------------------------------------------
What NetFlow Analyzer can do for you? Monitors network bandwidth and traffic
patterns at an interface-level. Reveals which users, apps, and protocols are
consuming the most bandwidth. Provides multi-vendor support for NetFlow,
J-Flow, sFlow and other flows. Make informed decisions using capacity
planning reports. https://ad.doubleclick.net/ddm/clk/305295220;132659582;e
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