* Li Zhijian (lizhij...@cn.fujitsu.com) wrote:
> backtrace:
> '0x00007ffff5f44ec2 in __ibv_dereg_mr_1_1 (mr=0x7fff1007d390) at
> /home/lizhijian/rdma-core/libibverbs/verbs.c:478
> 478 void *addr = mr->addr;
> (gdb) bt
> #0 0x00007ffff5f44ec2 in __ibv_dereg_mr_1_1 (mr=0x7fff1007d390) at
> /home/lizhijian/rdma-core/libibverbs/verbs.c:478
> #1 0x0000555555891fcc in rdma_delete_block (block=<optimized out>,
> rdma=0x7fff38176010) at ../migration/rdma.c:691
> #2 qemu_rdma_cleanup (rdma=0x7fff38176010) at ../migration/rdma.c:2365
> #3 0x00005555558925b0 in qio_channel_rdma_close_rcu (rcu=0x555556b8b6c0) at
> ../migration/rdma.c:3073
> #4 0x0000555555d652a3 in call_rcu_thread (opaque=opaque@entry=0x0) at
> ../util/rcu.c:281
> #5 0x0000555555d5edf9 in qemu_thread_start (args=0x7fffe88bb4d0) at
> ../util/qemu-thread-posix.c:541
> #6 0x00007ffff54c73f9 in start_thread () at /lib64/libpthread.so.0
> #7 0x00007ffff53f3b03 in clone () at /lib64/libc.so.6 '
>
> Signed-off-by: Li Zhijian <lizhij...@cn.fujitsu.com>
Queued
> ---
> migration/rdma.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/migration/rdma.c b/migration/rdma.c
> index b6cc4bef4a8..0f22b8227c0 100644
> --- a/migration/rdma.c
> +++ b/migration/rdma.c
> @@ -1143,6 +1143,7 @@ static int qemu_rdma_reg_whole_ram_blocks(RDMAContext
> *rdma)
>
> for (i--; i >= 0; i--) {
> ibv_dereg_mr(local->block[i].mr);
> + local->block[i].mr = NULL;
> rdma->total_registrations--;
> }
>
> --
> 2.30.2
>
>
>
>
--
Dr. David Alan Gilbert / dgilb...@redhat.com / Manchester, UK
