On Apr 13, 2010, at 1:59 , Jason Gunthorpe wrote:
On Mon, Apr 12, 2010 at 04:03:59PM -0700, Andrew Morton wrote:
As discussed in http://article.gmane.org/gmane.linux.drivers.openib/61925
and follow-up messages, libraries using RDMA would like to track
precisely when application code
Hi all,
Just received an old Topspin 2 port PCIe card (MTLP25208-C), using
firmware 4.6.0 and thought I'd update it to the latest firmware before
trying to do anything with it.
However, the board id is being reported really strangely:
$ sudo mstflint -d mthca0 q
Image type:
Content-Type: text/plain; charset=ISO-8859-1
Content-Transfer-Encoding: 7bit
Return-Path: klit...@dev.mellanox.co.il
X-OriginalArrivalTime: 13 Apr 2010 10:40:45.0762 (UTC)
FILETIME=[C6063A20:01CADAF5]
The following options are not hot-swappable:
transaction_timeout
transaction_retries
On 13:40 Tue 13 Apr , Yevgeny Kliteynik wrote:
Content-Type: text/plain; charset=ISO-8859-1
Content-Transfer-Encoding: 7bit
Return-Path: klit...@dev.mellanox.co.il
X-OriginalArrivalTime: 13 Apr 2010 10:40:45.0762 (UTC)
FILETIME=[C6063A20:01CADAF5]
The following options are not
On 16:08 Tue 13 Apr , Sasha Khapyorsky wrote:
Would it be better to keep cache in a regular human readable
ibnetdiscover output format, so '--diff' will be usable not just against
cache, but also against a regular ibnetdiscover output files?
BTW, such implementation could be simplified
On 13:46 Tue 13 Apr , Sasha Khapyorsky wrote:
However see some comments and questions below.
Another thought. What about API like:
ibnd_discover_fabric(cosnt char *ca_name, unsigned port_num,
struct ibnd_config *cfg);
So libibnetdisc will be
On 15:32 Wed 24 Mar , Sasha Khapyorsky wrote:
Hi Dale,
On 18:06 Wed 03 Mar , Dale Purdy wrote:
Provide a means to specify on a per switch basis the mapping (order)
between switch ports and dimensions for Dimension Order Routing. This
allows the DOR routing engine to be used
(2) It takes a long time to finish rdma_disconnect work (about 10
seconds), so is it a reasonable time?
This is long. How is your disconnect code structured?
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On Tue, 13 Apr 2010 13:46:58 +0300
Sasha Khapyorsky sas...@voltaire.com wrote:
On 12:49 Thu 18 Feb , Ira Weiny wrote:
From: Ira Weiny wei...@llnl.gov
Date: Fri, 22 Jan 2010 17:33:30 -0800
Subject: [PATCH] libibnetdisc: Convert to a multi-smp algorithm
v3: change
Do you propose to use IB_ATOMIC_GLOB instead of IB_ATOMIC_HCA while setting
atomic capability in the code below?
props-atomic_cap = dev-dev-caps.flags
MLX4_DEV_CAP_FLAG_ATOMIC ?
IB_ATOMIC_HCA : IB_ATOMIC_NONE;
Or add IB_MASKED_ATOMIC to ib_atomic_cap enum
I am not sure I agree with the premises here. ptMalloc and malloc
hooks are not related to the issue in my opinion. User space library
calls do not change virtual to physical mapping, system calls do. The
following sys calls might change virtual to physical mapping:
munmap(), mremap(),
On Tue, 2010-04-13 at 10:57 -0700, Roland Dreier wrote:
Are those system calls the only possible way that virtual to physical
mappings can change? Can't page migration or something like that
potentially affect things? And even if you did have hooks into every
system call that mattered (keep
On Tue, 13 Apr 2010 20:18:24 +0300
Sasha Khapyorsky sas...@voltaire.com wrote:
On 13:46 Tue 13 Apr , Sasha Khapyorsky wrote:
+static int recv_node_info(smp_engine_t *engine, ibnd_smp_t * smp,
+ uint8_t *mad, void *cb_data)
+{
+ ibnd_fabric_t *fabric =
Tung, Chien Tin wrote:
NE020 supports 4 SGEs. I don't know enough about SDP to know why it is
using this calculation for # of send_sge:
#define SDP_MAX_RECV_SKB_FRAGS (PAGE_SIZE 0x8000 ? 1 : 0x8000 / PAGE_SIZE)
Chien, does the NE020 support FMRs? I looked at the nes ofed-1.5 code
On Tue, 13 Apr 2010 16:25:31 +0300
Sasha Khapyorsky sas...@voltaire.com wrote:
On 13:46 Tue 13 Apr , Sasha Khapyorsky wrote:
However see some comments and questions below.
Another thought. What about API like:
ibnd_discover_fabric(cosnt char *ca_name, unsigned port_num,
Oscar,
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Putting in lots of printk messages, I see that the server machine
indeed gets a connection request MAD, but that the
ib_find_cached_gid() call inside of cma_acquire_dev() fails.
Any ideas?
What kernel version are you using, and are you trying to connect using IPv4 or
IPv6 addresses?
Can you
On Apr 13, 2010, at 20:02 , Peter Zijlstra wrote:
Yeah, virtual-physical maps can change through swapping, page
migration, memory compaction, huge-page aggregation (the latter two not
yet being upstream).
Assuming this holds true, RDMA will not work. And with no RDMA, we do not need
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