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

[Hans Petter Selasky]

On 04/21/16 16:19, Justin Clift wrote:
> On 21 Apr 2016, at 15:16, Justin Clift <justin at postgresql.org> wrote:
>> Hi all,
>>
>> 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.
>
> Forgot to mention, it's 100% reproducible, and very easily.  All that needs
> to be done is have an interface (eg ib0) be in IPoIB mode with an IP assigned.
> (eg 10.10.100.1)
>
> When that interface is pinged from another host (eg "ping 10.10.100.1") the
> kernel panic immediately happens.  Every time. ;)
>

Hi Justin,

Was the ipoib module also built with VIMAGE options defined? I know that 
if you mix code built with and without VIMAGE is not a good idea.

--HPS