[visit-developers] Crash on Mac ... hoping for pity from a network expert
miller86 at llnl.gov
Thu Oct 16 18:43:49 EDT 2008
You say you are on a Mac and this sounds somewhat similar to a problem
reported yesterday (by Doug Reeder). He had concluded that his
invokation of VisIt was just not 'accepting focus'. However, I had
concluded that VisIt was either taking a really long time to start or
hung. And, SingleThreadedAcceptSocket() was one of the calls I recall
seeing the logs near messages indicating problems connecting.
I know this is of little use to you but I thought I would mention it to
suggest it may not be specific to your network scenario.
On Thu, 2008-10-16 at 15:33, Hank Childs wrote:
> Hi Folks,
> I am running VisIt on my Mac on a wireless connection at NCSA. My hostname now shows up as "captive-wireless-250-136.ncsa.uiuc.edu". I can access the web and can log into remote machines. When I try to ssh to $(hostname), it gives me a prompt, but does not like my password. I suspect that means that it recognizes itself, but ssh'ing from external hosts is disabled somehow.
> When I start up VisIt, it crashes. This is true for VisIt compiled against the trunk and for VisIt with -noloopback. HOWEVER: if I run visit V1.9.1, which is installed on my machine, it does not crash. I don't have V1.10 installed, so I can't get further info on what that version does.
> The crash has been a bit tricky to narrow down (the segfault follows a bad page, so the stacktrace has no meaningful info).
> It appears to be in "RemoteProcess::SingleThreadedAcceptSocket()". Specifically, it crashes in the accept call:
> desc = accept(listenSocketNum, (struct sockaddr *)&sin, &len);
> The listenSocketNum is set to 14, so it appears to be initialized somehow.
> Any ideas out there?
Mark C. Miller, Lawrence Livermore National Laboratory
email: mailto:miller86 at llnl.gov
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