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| author | Chengchang Tang <tangchengchang@huawei.com> | 2024-12-20 08:52:49 +0300 |
|---|---|---|
| committer | Leon Romanovsky <leon@kernel.org> | 2024-12-23 17:58:30 +0300 |
| commit | e3debdd48423d3d75b9d366399228d7225d902cd (patch) | |
| tree | d59fd79e5db9f7df0e7bba12dea54eda26bb9bc2 /scripts/gdb/linux/utils.py | |
| parent | fa5c4ba8cdbfd2c2d6422e001311c8213283ebbf (diff) | |
| download | linux-e3debdd48423d3d75b9d366399228d7225d902cd.tar.xz | |
RDMA/hns: Fix missing flush CQE for DWQE
Flush CQE handler has not been called if QP state gets into errored
mode in DWQE path. So, the new added outstanding WQEs will never be
flushed.
It leads to a hung task timeout when using NFS over RDMA:
__switch_to+0x7c/0xd0
__schedule+0x350/0x750
schedule+0x50/0xf0
schedule_timeout+0x2c8/0x340
wait_for_common+0xf4/0x2b0
wait_for_completion+0x20/0x40
__ib_drain_sq+0x140/0x1d0 [ib_core]
ib_drain_sq+0x98/0xb0 [ib_core]
rpcrdma_xprt_disconnect+0x68/0x270 [rpcrdma]
xprt_rdma_close+0x20/0x60 [rpcrdma]
xprt_autoclose+0x64/0x1cc [sunrpc]
process_one_work+0x1d8/0x4e0
worker_thread+0x154/0x420
kthread+0x108/0x150
ret_from_fork+0x10/0x18
Fixes: 01584a5edcc4 ("RDMA/hns: Add support of direct wqe")
Signed-off-by: Chengchang Tang <tangchengchang@huawei.com>
Signed-off-by: Junxian Huang <huangjunxian6@hisilicon.com>
Link: https://patch.msgid.link/20241220055249.146943-5-huangjunxian6@hisilicon.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Diffstat (limited to 'scripts/gdb/linux/utils.py')
0 files changed, 0 insertions, 0 deletions