Kernel panic (page fault) on 10.3-STABLE with IB & VIMAGE modules

[Justin Clift]

On 21 Apr 2016, at 15:16, Justin Clift <justin at postgresql.org> wrote:
<snip>
> Have been hitting a kernel panic (page fault) with the IB modules loaded
> on 10.3-STABLE.  (compiled multiple times over the last few days, all panicing)
> 
> Spent several hours narrowing down the cause, and it's definitely a bad
> interaction between the IB modules (unsure which) + the "VIMAGE" module.
> 
> I'll fill out a bug report in a bit.

Btw, bug report filled out:

  https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=208957

VIMAGE problems with IB seems to be a large part of the reason why FreeNAS
don't support Infiniband, and the NAS4Free project is struggling with it.

Hopefully we can get this resolved without it taking weeks/months, so
getting IB functional for them can be made to happen. :)

+ Justin

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