Date: Thu, 21 Apr 2016 15:19:13 +0100 From: Justin Clift <justin@postgresql.org> To: freebsd-infiniband@freebsd.org Subject: Re: Kernel panic (page fault) on 10.3-STABLE with IB & VIMAGE modules Message-ID: <E9A17D1C-E1D4-4146-9E0D-63AED575A34E@postgresql.org> In-Reply-To: <210EB5F8-DEC1-4F5E-9CC7-003AF3784B50@postgresql.org>
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On 21 Apr 2016, at 15:16, Justin Clift <justin@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. ;) + Justin -- "My grandfather once told me that there are two kinds of people: those who work and those who take the credit. He told me to try to be in the first group; there was less competition there." - Indira Gandhihelp
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