On Fri, Feb 02, 2018 at 08:15:22AM -0800, santosh.shilimkar@xxxxxxxxxx wrote: > On 2/2/18 3:10 AM, Guanglei Li wrote: > > Scenario: > > 1. Port down and do fail over > > 2. Ap do rds_bind syscall > > > > PID: 47039 TASK: ffff89887e2fe640 CPU: 47 COMMAND: "kworker/u:6" > > #0 [ffff898e35f159f0] machine_kexec at ffffffff8103abf9 > > #1 [ffff898e35f15a60] crash_kexec at ffffffff810b96e3 > > #2 [ffff898e35f15b30] oops_end at ffffffff8150f518 > > #3 [ffff898e35f15b60] no_context at ffffffff8104854c > > #4 [ffff898e35f15ba0] __bad_area_nosemaphore at ffffffff81048675 > > #5 [ffff898e35f15bf0] bad_area_nosemaphore at ffffffff810487d3 > > #6 [ffff898e35f15c00] do_page_fault at ffffffff815120b8 > > #7 [ffff898e35f15d10] page_fault at ffffffff8150ea95 > > [exception RIP: unknown or invalid address] > > RIP: 0000000000000000 RSP: ffff898e35f15dc8 RFLAGS: 00010282 > > RAX: 00000000fffffffe RBX: ffff889b77f6fc00 RCX:ffffffff81c99d88 > > RDX: 0000000000000000 RSI: ffff896019ee08e8 RDI:ffff889b77f6fc00 > > RBP: ffff898e35f15df0 R8: ffff896019ee08c8 R9:0000000000000000 > > R10: 0000000000000400 R11: 0000000000000000 R12:ffff896019ee08c0 > > R13: ffff889b77f6fe68 R14: ffffffff81c99d80 R15: ffffffffa022a1e0 > > ORIG_RAX: ffffffffffffffff CS: 0010 SS: 0018 > > #8 [ffff898e35f15dc8] cma_ndev_work_handler at ffffffffa022a228 [rdma_cm] > > #9 [ffff898e35f15df8] process_one_work at ffffffff8108a7c6 > > #10 [ffff898e35f15e58] worker_thread at ffffffff8108bda0 > > #11 [ffff898e35f15ee8] kthread at ffffffff81090fe6 > > > > PID: 45659 TASK: ffff880d313d2500 CPU: 31 COMMAND: "oracle_45659_ap" > > #0 [ffff881024ccfc98] __schedule at ffffffff8150bac4 > > #1 [ffff881024ccfd40] schedule at ffffffff8150c2cf > > #2 [ffff881024ccfd50] __mutex_lock_slowpath at ffffffff8150cee7 > > #3 [ffff881024ccfdc0] mutex_lock at ffffffff8150cdeb > > #4 [ffff881024ccfde0] rdma_destroy_id at ffffffffa022a027 [rdma_cm] > > #5 [ffff881024ccfe10] rds_ib_laddr_check at ffffffffa0357857 [rds_rdma] > > #6 [ffff881024ccfe50] rds_trans_get_preferred at ffffffffa0324c2a [rds] > > #7 [ffff881024ccfe80] rds_bind at ffffffffa031d690 [rds] > > #8 [ffff881024ccfeb0] sys_bind at ffffffff8142a670 > > > > PID: 45659 PID: 47039 > > rds_ib_laddr_check > > /* create id_priv with a null event_handler */ > > rdma_create_id > > rdma_bind_addr > > cma_acquire_dev > > /* add id_priv to cma_dev->id_list */ > > cma_attach_to_dev > > cma_ndev_work_handler > > /* event_hanlder is null */ > > id_priv->id.event_handler > > > > Signed-off-by: Guanglei Li <guanglei.li@xxxxxxxxxx> > > Signed-off-by: Honglei Wang <honglei.wang@xxxxxxxxxx> > > Reviewed-by: Junxiao Bi <junxiao.bi@xxxxxxxxxx> > > Reviewed-by: Yanjun Zhu <yanjun.zhu@xxxxxxxxxx> > > --- > > net/rds/ib.c | 3 ++- > > 1 file changed, 2 insertions(+), 1 deletion(-) > > Patch looks fine. You should send the patch on netdev. > Please repost it copying netdev. > > Acked-by: Santosh Shilimkar <santosh.shilimkar@xxxxxxxxxx> > Thanks, Reviewed-by: Leon Romanovsky <leonro@xxxxxxxxxxxx>
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