From: swise@opengridcomputing.com (Steve Wise)
Subject: nvme-fabrics: crash at nvme connect-all
Date: Fri, 10 Jun 2016 10:11:22 -0500 [thread overview]
Message-ID: <01c601d1c32a$59576ec0$0c064c40$@opengridcomputing.com> (raw)
In-Reply-To: <055801d1c29f$e164c000$a42e4000$@opengridcomputing.com>
> > What's the step to reproduce?
>
> Add the hack into iw_cxgb4 to force alloc_mr failures after 200 allocations
> (or whatever value you need to make it happen). Then on the same machine,
> export a target device, load nvme-rdma and discover/connect to that target
> device with nvme. It will crash.
>
> Unfortunately, with the 4.7-rc2 base I'm using, I get no vmcore dump. I'm
> not sure why...
>
Previously I was using Doug's rdma rxe branch + sagi's rxe fixes + rebased on nvmf-all.2. To simplify, I have now gone to just straight nvmf-all.2. Also, I separated the host and target to different nodes and reproduced the problem. It?s the host side that is crashing. Same GPF with RIP:
RIP: 0010:[<ffffffff810d04c3>] [<ffffffff810d04c3>] get_next_timer_interrupt+0x183/0x210
Steve.
next prev parent reply other threads:[~2016-06-10 15:11 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-09 9:18 nvme-fabrics: crash at nvme connect-all Marta Rybczynska
2016-06-09 9:29 ` Sagi Grimberg
2016-06-09 10:07 ` Marta Rybczynska
2016-06-09 11:09 ` Sagi Grimberg
2016-06-09 12:12 ` Marta Rybczynska
2016-06-09 12:30 ` Sagi Grimberg
2016-06-09 13:27 ` Steve Wise
2016-06-09 13:36 ` Steve Wise
2016-06-09 13:48 ` Sagi Grimberg
2016-06-09 14:09 ` Steve Wise
2016-06-09 14:22 ` Steve Wise
2016-06-09 14:29 ` Steve Wise
2016-06-09 15:04 ` Marta Rybczynska
2016-06-09 15:40 ` Steve Wise
2016-06-09 15:48 ` Steve Wise
2016-06-10 9:03 ` Marta Rybczynska
2016-06-10 13:40 ` Steve Wise
2016-06-10 13:42 ` Marta Rybczynska
2016-06-10 13:49 ` Steve Wise
2016-06-09 13:25 ` Christoph Hellwig
2016-06-09 13:24 ` Christoph Hellwig
2016-06-09 15:37 ` Marta Rybczynska
2016-06-09 20:25 ` Steve Wise
2016-06-09 20:35 ` Ming Lin
2016-06-09 21:06 ` Steve Wise
2016-06-09 22:26 ` Ming Lin
2016-06-09 22:40 ` Steve Wise
[not found] ` <055801d1c29f$e164c000$a42e4000$@opengridcomputing.com>
2016-06-10 15:11 ` Steve Wise [this message]
2016-06-10 16:22 ` Steve Wise
2016-06-10 18:43 ` Ming Lin
2016-06-10 19:17 ` Steve Wise
2016-06-10 20:00 ` Ming Lin
2016-06-10 20:15 ` Steve Wise
2016-06-10 20:18 ` Ming Lin
2016-06-10 21:14 ` Steve Wise
2016-06-10 21:20 ` Ming Lin
2016-06-10 21:25 ` Steve Wise
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