Re: [Libmesh-users] Segfault in point locator

2017-08-02 Thread Harshad Sahasrabudhe
> > Oh, I think I forgot to ask before: you have run this in dbg mode, > right? And it still segfaults there, it doesn't throw an error? I > saw a stack trace with line numbers so I figured "he's not in opt", > but I suppose you could have been in devel, and devel honestly isn't > good enough for

Re: [Libmesh-users] Segfault in point locator

2017-08-02 Thread Roy Stogner
On Wed, 2 Aug 2017, Harshad Sahasrabudhe wrote: ReplicatedMesh or DistributedMesh? I'm using DistributedMesh. I call allgather() before setting up the point locator. Hmm... it's possible this is our bug, then. There were bugs in a couple "DistributedMesh, but currently serialized" co

Re: [Libmesh-users] Segfault in point locator

2017-08-02 Thread Harshad Sahasrabudhe
> > ReplicatedMesh or DistributedMesh? > I'm using DistributedMesh. I call allgather() before setting up the point locator. Any chance you can set up a case we can try to replicate locally? > I will try making a test case that's crashing. Thanks, Harshad

Re: [Libmesh-users] Segfault in point locator

2017-08-02 Thread Roy Stogner
On Wed, 2 Aug 2017, Harshad Sahasrabudhe wrote: I'm using version 1.1. The crash only happens with 2 or more processes. It doesn't happen on a single process. ReplicatedMesh or DistributedMesh? Any chance you can set up a case we can try to replicate locally? --- Roy ---

Re: [Libmesh-users] Segfault in point locator

2017-08-02 Thread Harshad Sahasrabudhe
Hi Roy, I'm using version 1.1. The crash only happens with 2 or more processes. It doesn't happen on a single process. Thanks, Harshad On Tue, Aug 1, 2017 at 3:26 PM, Roy Stogner wrote: > > On Tue, 1 Aug 2017, Harshad Sahasrabudhe wrote: > > I got a segfault when I called the PointLocatorTree:

Re: [Libmesh-users] Segfault in point locator

2017-08-02 Thread Harshad Sahasrabudhe
Also, it didn't happen in earlier versions of LibMesh, for example 0.9.2. Thanks, Harshad On Wed, Aug 2, 2017 at 3:35 AM, Harshad Sahasrabudhe wrote: > Hi Roy, > > I'm using version 1.1. The crash only happens with 2 or more processes. It > doesn't happen on a single process. > > Thanks, > Hars

Re: [Libmesh-users] Segfault in point locator

2017-08-01 Thread Roy Stogner
On Tue, 1 Aug 2017, Harshad Sahasrabudhe wrote: I got a segfault when I called the PointLocatorTree::operator() function. Does anyone know why the segfault? Thanks! Here's the backtrace: What libMesh version are you using? Those line numbers don't seem to match up to master or 1.2.x. If I'm

[Libmesh-users] Segfault in point locator

2017-08-01 Thread Harshad Sahasrabudhe
Hello, I got a segfault when I called the PointLocatorTree::operator() function. Does anyone know why the segfault? Thanks! Here's the backtrace: (gdb) bt #0 0x2aaffd5a5e7b in libMesh::TreeNode<8u>::find_element (this=0x5a6f810, p=..., allowed_subdomains=0xd6, relative_tol=9.