Messages in this thread | | | Date | Tue, 9 Apr 2013 19:39:30 +0300 | From | "Michael S. Tsirkin" <> | Subject | Re: [PATCHv2] rdma: add a new IB_ACCESS_GIFT flag |
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On Fri, Apr 05, 2013 at 04:54:39PM -0400, Michael R. Hines wrote: > To be more specific, here's what I did: > > 1. apply kernel module patch - re-insert module > 1. QEMU does: ibv_reg_mr(........IBV_ACCESS_GIFT | IBV_ACCESS_REMOTE_READ) > 2. Start the RDMA migration > 3. Migration completes without any errors > > This test does *not* work with a cgroup swap limit, however. The > process gets killed. (Both with and without GIFT) > > - Michael
Try to attach a debugger and see where it is when it gets killed?
> On 04/05/2013 04:43 PM, Roland Dreier wrote: > >On Fri, Apr 5, 2013 at 1:17 PM, Michael R. Hines > ><mrhines@linux.vnet.ibm.com> wrote: > >>I also removed the IBV_*_WRITE flags on the sender-side and activated > >>cgroups with the "memory.memsw.limit_in_bytes" activated and the migration > >>with RDMA also succeeded without any problems (both with *and* without GIFT > >>also worked). > >Not sure I'm interpreting this correctly. Are you saying that things > >worked without actually setting the GIFT flag? In which case why are > >we adding this flag? > > > > - R. > > >
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