On 05/02/2016 08:15 AM, Christoph Hellwig wrote:
On Fri, Apr 22, 2016 at 03:29:28PM -0700, Bart Van Assche wrote:
On 04/11/2016 02:32 PM, Christoph Hellwig wrote:
git://git.infradead.org/users/hch/rdma.git rdma-rw-api
Hello Christoph,
Is the version that has been pushed on April 18 the latest and greatest
version of this patch series ?
Should be. I've pushed out a new version, but the only changes are
in response to your small review comments, and a no-op rebase to Doug's
latest tree.
I'm asking because with that version I see
error messages appearing that I hadn't seen with the previous version:
ib_srpt:srpt_qp_event: ib_srpt QP event 16 on cm_id=ffff8801713d5628
sess_name=0x0000000000000000e41d2d03000a85b1 state=1
ib_srpt:srpt_qp_event: ib_srpt 0x0000000000000000e41d2d03000a85b1-522,
state live: received Last WQE event.
ib_srpt RDMA_READ for ioctx 0xffff8804593092a8 failed with status 4
This test was run with the force_mr=Y:
$ cat /etc/modprobe.d/ib_core.conf
options ib_core force_mr=Y
I haven't been able to reproduce this with my usual xfstests run
on mlx4 hardware. What did you do to reproduce the issue, and what
hardware were you using?
After having disabled CONFIG_SLUB_DEBUG_ON I don't see the "QP event"
message anymore. But running xfstests triggered the following (mlx4
hardware; SRP initiator and LIO target running on the same server and
communicating over loopback):
WARNING: CPU: 11 PID: 9224 at drivers/infiniband/ulp/srpt/ib_srpt.c:1209
srpt_rdma_read_done+0xc7/0x110 [ib_srpt]
Call Trace:
[<ffffffff812c0bf5>] dump_stack+0x67/0x92
[<ffffffff81058011>] __warn+0xc1/0xe0
[<ffffffff810580e8>] warn_slowpath_null+0x18/0x20
[<ffffffffa05db7c7>] srpt_rdma_read_done+0xc7/0x110 [ib_srpt]
[<ffffffffa045c73b>] __ib_process_cq+0x4b/0xd0 [ib_core]
[<ffffffffa045c82b>] ib_cq_poll_work+0x1b/0x60 [ib_core]
[<ffffffff81071fea>] process_one_work+0x19a/0x490
[<ffffffff81071f8a>] ? process_one_work+0x13a/0x490
[<ffffffff81072329>] worker_thread+0x49/0x490
[<ffffffff810722e0>] ? process_one_work+0x490/0x490
[<ffffffff810788da>] kthread+0xea/0x100
[<ffffffff8159e632>] ret_from_fork+0x22/0x40
Bart.
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