So it's definitely not a PyCUDA issue or even python related. It consistently crashes on test six of the gpumemtest... and now it kernel panics on every reboot... I think we have a hardware failure. Thank you for your help, Craig
On Wed Dec 10 2014 at 4:25:37 PM Craig Stringham <[email protected]> wrote: > Thank you Andreas. I tried python with just an input at the end and it did > still just crash, so it is not an ipython specific thing. Also putting the > GPU in persistent mode didn't stop it either (it did take longer to crash > though). Maybe I'll right a CUDA only program with an infinite loop at the > end and see if that will crash it as well. As you said, since it causes a > hard crash it is most likely a driver or hardware issue. > Thanks! > Craig > > On Wed Dec 10 2014 at 3:05:03 PM Andreas Kloeckner < > [email protected]> wrote: > >> Hi Craig, >> >> Craig Stringham <[email protected]> writes: >> > I keep crashing a server (kernel panic) when using pycuda within >> ipython. >> > It doesn't seem to matter what kernel I run and it only crashes several >> > minutes after I have run a kernel but have kept the ipython shell open. >> I >> > am using the latest git version of pycuda with the latest release of >> CUDA >> > (6.5) on a K40m. Below is the last portion of the crash dmesg. >> > Have any of you had a similar issue? I will try putting the GPU in >> > persistent mode since it appears it is falling off the bus... maybe that >> > will fix it. >> >> I've never seen such a thing, and I'm not even sure what PyCUDA could do >> to cause a hard crash a machine like that. It sounds like either a >> driver or hardware bug to me. If there's something that PyCUDA can >> do to avoid the hard crash, I'd be more than happy to do that--but I'm >> not even sure what that would be... >> >> One possible issue is threads. PyCUDA (CUDA generally, really) isn't >> very good around them--but that should only be an issue if multiple >> threads touch the GPU. >> >> As a simple test, can you may write a script that does some PyCUDA >> computations and then sits in a raw_input()? That's somehow the closest >> analog to IPython I can think of. >> >> Anyhow, these are just some suggestions. Hope some of this is helpful. >> >> Andreas >> >
_______________________________________________ PyCUDA mailing list [email protected] http://lists.tiker.net/listinfo/pycuda
