DPDK-dev Archive on lore.kernel.org
 help / color / Atom feed
From: "Li, Xiaoyun" <xiaoyun.li@intel.com>
To: "Ye, Xiaolong" <xiaolong.ye@intel.com>
Cc: "Wu, Jingjing" <jingjing.wu@intel.com>,
	"Wiles, Keith" <keith.wiles@intel.com>,
	"Liang, Cunming" <cunming.liang@intel.com>,
	"Maslekar, Omkar" <omkar.maslekar@intel.com>,
	"dev@dpdk.org" <dev@dpdk.org>
Subject: Re: [dpdk-dev] [PATCH 4/6] examples/ntb: enable an example for ntb
Date: Wed, 5 Jun 2019 13:36:11 +0000
Message-ID: <B9E724F4CB7543449049E7AE7669D82F0B240658@SHSMSX101.ccr.corp.intel.com> (raw)
In-Reply-To: <20190605092512.GA4003@intel.com>

> 
> Yes, I agree, but I don't think it is the case here.
> 
> >It will cause segment fault in enqueue/dequeue.
> 
> Hmm, have you debug it? Which line caused the segfault?
> 
> You can refer to test_rawdev_enqdeq function in skeleton_rawdev_test.c, what
> it does is similar to my suggestion, and you just need one alloc/free.
> 
Of course I debug on it. It will cause seg fault at rte_memcpy. Because buffers[0]->buf_addr is not right.
You can see the debug log.
(gdb) p test_pkts_send[0].buf_addr
$3 = (void *) 0x5555562784c0
(gdb) n
164             rte_rawdev_set_attr(dev_id, "spad14", val);
(gdb)
ntb_attr_set(): Set attribute (spad14) Value (0)
165             val = size;
(gdb)
166             rte_rawdev_set_attr(dev_id, "spad15", val);
(gdb)
ntb_attr_set(): Set attribute (spad15) Value (35)
175             rte_rawdev_enqueue_buffers(dev_id, (struct rte_rawdev_buf **)&test_pkts_send, 1, (void *)size);
(gdb)

Thread 1 "ntb_fwd" hit Breakpoint 2, ntb_enqueue_bufs (dev=0x555556023b80 <rte_rawdevices>, buffers=0x7fffffff7fe0, count=1,
    context=0x23) at /home/xiaoyun/ntb/dpdk-next-net-intel/drivers/raw/ntb_rawdev/ntb_rawdev.c:244
244             struct ntb_hw *hw = dev->dev_private;
(gdb) n
248             if (hw->ntb_ops->get_peer_mw_addr == NULL)
(gdb)
249                     return -ENOTSUP;
(gdb) p buffers[0]->buf_addr
$4 = (void *) 0x6f77206f6c6c6568
(gdb) p &buffers[0]->buf_addr
$5 = (void **) 0x5555562784c0

> Thanks,
> Xiaolong
> 
> >
> >I will free twice.
> >
> >> > >2.17.1
> >> > >

  reply index

Thread overview: 127+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-06-03  8:46 [dpdk-dev] [PATCH 0/6] rawdev driver " Xiaoyun Li
2019-06-03  8:46 ` [dpdk-dev] [PATCH 1/6] raw/ntb: introduce ntb rawdev driver Xiaoyun Li
2019-06-04  2:20   ` Ye Xiaolong
2019-06-03  8:46 ` [dpdk-dev] [PATCH 2/6] raw/ntb: add intel ntb support Xiaoyun Li
2019-06-04  3:01   ` Ye Xiaolong
2019-06-03  8:46 ` [dpdk-dev] [PATCH 3/6] raw/ntb: add handshake process Xiaoyun Li
2019-06-03  8:46 ` [dpdk-dev] [PATCH 4/6] examples/ntb: enable an example for ntb Xiaoyun Li
2019-06-04  6:48   ` Ye Xiaolong
2019-06-04  8:12     ` Li, Xiaoyun
2019-06-05  8:32       ` Li, Xiaoyun
2019-06-05  9:25         ` Ye Xiaolong
2019-06-05 13:36           ` Li, Xiaoyun [this message]
2019-06-06  2:07             ` Ye Xiaolong
2019-06-04  8:48   ` Ye Xiaolong
2019-06-05  3:11     ` Li, Xiaoyun
2019-06-03  8:46 ` [dpdk-dev] [PATCH 5/6] usertools/dpdk-devbind.py: add support " Xiaoyun Li
2019-06-04  7:53   ` Jerin Jacob Kollanukkaran
2019-06-04  8:16     ` Li, Xiaoyun
2019-06-03  8:46 ` [dpdk-dev] [PATCH 6/6] doc: update docs for ntb pmd Xiaoyun Li
2019-06-06  7:42 ` [dpdk-dev] [PATCH v2 0/6] rawdev driver for ntb Xiaoyun Li
2019-06-06  7:42   ` [dpdk-dev] [PATCH v2 1/6] raw/ntb: introduce ntb rawdev driver Xiaoyun Li
2019-06-06  7:42   ` [dpdk-dev] [PATCH v2 2/6] raw/ntb: add intel ntb support Xiaoyun Li
2019-06-06  7:43   ` [dpdk-dev] [PATCH v2 3/6] raw/ntb: add handshake process Xiaoyun Li
2019-06-06  7:43   ` [dpdk-dev] [PATCH v2 4/6] examples/ntb: enable an example for ntb Xiaoyun Li
2019-06-06  7:43   ` [dpdk-dev] [PATCH v2 5/6] usertools/dpdk-devbind.py: add support " Xiaoyun Li
2019-06-06  8:23     ` Bruce Richardson
2019-06-10  1:38       ` Li, Xiaoyun
2019-06-06  7:43   ` [dpdk-dev] [PATCH v2 6/6] doc: update docs for ntb driver Xiaoyun Li
2019-06-11  8:22   ` [dpdk-dev] [PATCH 0/6] rawdev driver for ntb Xiaoyun Li
2019-06-11  8:22     ` [dpdk-dev] [PATCH 1/6] raw/ntb: introduce ntb rawdev driver Xiaoyun Li
2019-06-11  8:22     ` [dpdk-dev] [PATCH 2/6] raw/ntb: add intel ntb support Xiaoyun Li
2019-06-11  8:22     ` [dpdk-dev] [PATCH 3/6] raw/ntb: add handshake process Xiaoyun Li
2019-06-11  8:22     ` [dpdk-dev] [PATCH 4/6] examples/ntb: enable an example for ntb Xiaoyun Li
2019-06-11  8:22     ` [dpdk-dev] [PATCH 5/6] usertools/dpdk-devbind.py: add support " Xiaoyun Li
2019-06-11  8:22     ` [dpdk-dev] [PATCH 6/6] doc: update docs for ntb driver Xiaoyun Li
2019-06-11  8:50   ` [dpdk-dev] [PATCH v3 0/6] rawdev driver for ntb Xiaoyun Li
2019-06-11  8:50     ` [dpdk-dev] [PATCH v3 1/6] raw/ntb: introduce ntb rawdev driver Xiaoyun Li
2019-06-11  8:50     ` [dpdk-dev] [PATCH v3 2/6] raw/ntb: add intel ntb support Xiaoyun Li
2019-06-11  8:50     ` [dpdk-dev] [PATCH v3 3/6] raw/ntb: add handshake process Xiaoyun Li
2019-06-11  8:50     ` [dpdk-dev] [PATCH v3 4/6] examples/ntb: enable an example for ntb Xiaoyun Li
2019-06-11  8:50     ` [dpdk-dev] [PATCH v3 5/6] usertools/dpdk-devbind.py: add support " Xiaoyun Li
2019-06-11  8:50     ` [dpdk-dev] [PATCH v3 6/6] doc: update docs for ntb driver Xiaoyun Li
2019-06-13  7:56     ` [dpdk-dev] [PATCH v4 0/6] rawdev driver for ntb Xiaoyun Li
2019-06-13  7:56       ` [dpdk-dev] [PATCH v4 1/6] raw/ntb: introduce ntb rawdev driver Xiaoyun Li
2019-06-13  7:56       ` [dpdk-dev] [PATCH v4 2/6] raw/ntb: add intel ntb support Xiaoyun Li
2019-06-13  7:56       ` [dpdk-dev] [PATCH v4 3/6] raw/ntb: add handshake process Xiaoyun Li
2019-06-13  7:56       ` [dpdk-dev] [PATCH v4 4/6] examples/ntb: enable an example for ntb Xiaoyun Li
2019-06-13  7:56       ` [dpdk-dev] [PATCH v4 5/6] usertools/dpdk-devbind.py: add support " Xiaoyun Li
2019-06-13  7:56       ` [dpdk-dev] [PATCH v4 6/6] doc: update docs for ntb driver Xiaoyun Li
2019-06-14  2:19       ` [dpdk-dev] [PATCH v5 0/6] rawdev driver for ntb Xiaoyun Li
2019-06-14  2:19         ` [dpdk-dev] [PATCH v5 1/6] raw/ntb: introduce ntb rawdev driver Xiaoyun Li
2019-06-17 12:49           ` Wang, Xiao W
2019-06-18  1:28             ` Li, Xiaoyun
2019-06-14  2:19         ` [dpdk-dev] [PATCH v5 2/6] raw/ntb: add intel ntb support Xiaoyun Li
2019-06-14  2:19         ` [dpdk-dev] [PATCH v5 3/6] raw/ntb: add handshake process Xiaoyun Li
2019-06-14  2:19         ` [dpdk-dev] [PATCH v5 4/6] examples/ntb: enable an example for ntb Xiaoyun Li
2019-06-14  2:19         ` [dpdk-dev] [PATCH v5 5/6] usertools/dpdk-devbind.py: add support " Xiaoyun Li
2019-06-14  2:19         ` [dpdk-dev] [PATCH v5 6/6] doc: update docs for ntb driver Xiaoyun Li
2019-06-18  2:10         ` [dpdk-dev] [PATCH v6 0/6] rawdev driver for ntb Xiaoyun Li
2019-06-18  2:10           ` [dpdk-dev] [PATCH v6 1/6] raw/ntb: introduce ntb rawdev driver Xiaoyun Li
2019-06-18 16:07             ` Wu, Jingjing
2019-06-18  2:10           ` [dpdk-dev] [PATCH v6 2/6] raw/ntb: add intel ntb support Xiaoyun Li
2019-06-18 16:07             ` Wu, Jingjing
2019-06-18  2:10           ` [dpdk-dev] [PATCH v6 3/6] raw/ntb: add handshake process Xiaoyun Li
2019-06-18 16:07             ` Wu, Jingjing
2019-06-20 10:06               ` Li, Xiaoyun
2019-06-18  2:10           ` [dpdk-dev] [PATCH v6 4/6] examples/ntb: enable an example for ntb Xiaoyun Li
2019-06-18  2:10           ` [dpdk-dev] [PATCH v6 5/6] usertools/dpdk-devbind.py: add support " Xiaoyun Li
2019-06-18  2:10           ` [dpdk-dev] [PATCH v6 6/6] doc: update docs for ntb driver Xiaoyun Li
2019-06-20 10:21           ` [dpdk-dev] [PATCH v7 0/6] rawdev driver for ntb Xiaoyun Li
2019-06-20 10:21             ` [dpdk-dev] [PATCH v7 1/6] raw/ntb: introduce ntb rawdev driver Xiaoyun Li
2019-06-20 10:21             ` [dpdk-dev] [PATCH v7 2/6] raw/ntb: add intel ntb support Xiaoyun Li
2019-06-20 10:21             ` [dpdk-dev] [PATCH v7 3/6] raw/ntb: add handshake process Xiaoyun Li
2019-06-20 10:21             ` [dpdk-dev] [PATCH v7 4/6] examples/ntb: enable an example for ntb Xiaoyun Li
2019-06-20 10:21             ` [dpdk-dev] [PATCH v7 5/6] usertools/dpdk-devbind.py: add support " Xiaoyun Li
2019-06-20 10:21             ` [dpdk-dev] [PATCH v7 6/6] doc: update docs for ntb driver Xiaoyun Li
2019-06-26  7:12             ` [dpdk-dev] [PATCH v8 0/6] rawdev driver for ntb Xiaoyun Li
2019-06-26  7:12               ` [dpdk-dev] [PATCH v8 1/6] raw/ntb: introduce ntb rawdev driver Xiaoyun Li
2019-06-27 16:31                 ` Wu, Jingjing
2019-06-26  7:12               ` [dpdk-dev] [PATCH v8 2/6] raw/ntb: add intel ntb support Xiaoyun Li
2019-06-27 17:06                 ` Wu, Jingjing
2019-06-28  1:33                   ` Li, Xiaoyun
2019-06-26  7:12               ` [dpdk-dev] [PATCH v8 3/6] raw/ntb: add handshake process Xiaoyun Li
2019-06-27 17:19                 ` Wu, Jingjing
2019-06-28  1:33                   ` Li, Xiaoyun
2019-06-26  7:12               ` [dpdk-dev] [PATCH v8 4/6] examples/ntb: enable an example for ntb Xiaoyun Li
2019-06-27 17:30                 ` Wu, Jingjing
2019-06-28  1:36                   ` Li, Xiaoyun
2019-06-26  7:12               ` [dpdk-dev] [PATCH v8 5/6] usertools/dpdk-devbind.py: add support " Xiaoyun Li
2019-06-27 17:34                 ` Wu, Jingjing
2019-06-26  7:12               ` [dpdk-dev] [PATCH v8 6/6] doc: update docs for ntb driver Xiaoyun Li
2019-06-27 17:33                 ` Wu, Jingjing
2019-06-28  2:53               ` [dpdk-dev] [PATCH v9 0/6] rawdev driver for ntb Xiaoyun Li
2019-06-28  2:53                 ` [dpdk-dev] [PATCH v9 1/6] raw/ntb: introduce ntb rawdev driver Xiaoyun Li
2019-06-28  2:53                 ` [dpdk-dev] [PATCH v9 2/6] raw/ntb: add intel ntb support Xiaoyun Li
2019-06-28  2:53                 ` [dpdk-dev] [PATCH v9 3/6] raw/ntb: add handshake process Xiaoyun Li
2019-06-28  2:53                 ` [dpdk-dev] [PATCH v9 4/6] examples/ntb: enable an example for ntb Xiaoyun Li
2019-06-28  2:53                 ` [dpdk-dev] [PATCH v9 5/6] usertools/dpdk-devbind.py: add support " Xiaoyun Li
2019-06-28  2:53                 ` [dpdk-dev] [PATCH v9 6/6] doc: update docs for ntb driver Xiaoyun Li
2019-07-01 14:24                   ` Thomas Monjalon
2019-07-02  1:18                     ` Li, Xiaoyun
2019-06-28 10:17                 ` [dpdk-dev] [PATCH v9 0/6] rawdev driver for ntb Wu, Jingjing
2019-07-02  6:17                 ` [dpdk-dev] [PATCH v10 0/5] " Xiaoyun Li
2019-07-02  6:17                   ` [dpdk-dev] [PATCH v10 1/5] raw/ntb: introduce ntb rawdev driver Xiaoyun Li
2019-07-02  6:17                   ` [dpdk-dev] [PATCH v10 2/5] usertools/dpdk-devbind.py: add support for ntb Xiaoyun Li
2019-07-02  6:17                   ` [dpdk-dev] [PATCH v10 3/5] raw/ntb: add intel ntb support Xiaoyun Li
2019-07-02  6:17                   ` [dpdk-dev] [PATCH v10 4/5] raw/ntb: add handshake process Xiaoyun Li
2019-07-02  6:17                   ` [dpdk-dev] [PATCH v10 5/5] examples/ntb: enable an example for ntb Xiaoyun Li
2019-07-02  6:23                 ` [dpdk-dev] [PATCH v10 1/5] raw/ntb: introduce ntb rawdev driver Xiaoyun Li
2019-07-02  6:25                 ` [dpdk-dev] [PATCH v10 0/5] rawdev driver for ntb Xiaoyun Li
2019-07-02  6:25                   ` [dpdk-dev] [PATCH v10 1/5] raw/ntb: introduce ntb rawdev driver Xiaoyun Li
2019-07-04 10:31                     ` Thomas Monjalon
2019-07-04 10:37                       ` Bruce Richardson
2019-07-05  1:21                       ` Li, Xiaoyun
2019-07-05  1:28                       ` Li, Xiaoyun
2019-07-02  6:25                   ` [dpdk-dev] [PATCH v10 2/5] usertools/dpdk-devbind.py: add support for ntb Xiaoyun Li
2019-07-02  6:25                   ` [dpdk-dev] [PATCH v10 3/5] raw/ntb: add intel ntb support Xiaoyun Li
2019-07-02  6:25                   ` [dpdk-dev] [PATCH v10 4/5] raw/ntb: add handshake process Xiaoyun Li
2019-07-02  6:25                   ` [dpdk-dev] [PATCH v10 5/5] examples/ntb: enable an example for ntb Xiaoyun Li
2019-07-02 14:10                   ` [dpdk-dev] [PATCH v10 0/5] rawdev driver " Ye Xiaolong
2019-07-04 12:29                 ` [dpdk-dev] [PATCH v11 0/4] " Thomas Monjalon
2019-07-04 12:29                   ` [dpdk-dev] [PATCH v11 1/4] raw/ntb: introduce NTB raw device driver Thomas Monjalon
2019-07-04 12:29                   ` [dpdk-dev] [PATCH v11 2/4] raw/ntb: support Intel NTB Thomas Monjalon
2019-07-04 12:29                   ` [dpdk-dev] [PATCH v11 3/4] raw/ntb: add handshake process Thomas Monjalon
2019-07-04 12:29                   ` [dpdk-dev] [PATCH v11 4/4] examples/ntb: add example for NTB Thomas Monjalon
2019-07-05  2:41                   ` [dpdk-dev] [PATCH v11 0/4] rawdev driver for ntb Li, Xiaoyun
2019-07-05 10:52                     ` Thomas Monjalon

Reply instructions:

You may reply publically to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=B9E724F4CB7543449049E7AE7669D82F0B240658@SHSMSX101.ccr.corp.intel.com \
    --to=xiaoyun.li@intel.com \
    --cc=cunming.liang@intel.com \
    --cc=dev@dpdk.org \
    --cc=jingjing.wu@intel.com \
    --cc=keith.wiles@intel.com \
    --cc=omkar.maslekar@intel.com \
    --cc=xiaolong.ye@intel.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link

DPDK-dev Archive on lore.kernel.org

Archives are clonable:
	git clone --mirror https://lore.kernel.org/dpdk-dev/0 dpdk-dev/git/0.git

	# If you have public-inbox 1.1+ installed, you may
	# initialize and index your mirror using the following commands:
	public-inbox-init -V2 dpdk-dev dpdk-dev/ https://lore.kernel.org/dpdk-dev \
		dev@dpdk.org
	public-inbox-index dpdk-dev

Example config snippet for mirrors

Newsgroup available over NNTP:
	nntp://nntp.lore.kernel.org/org.dpdk.dev


AGPL code for this site: git clone https://public-inbox.org/public-inbox.git