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Zhu Yanjun 2776978d2f RDMA/rxe: Fix the failure of ibv_query_device() and ibv_query_device_ex() tests 
[ Upstream commit 8ce2eb9dfa ]

In rdma-core, the following failures appear.

"
$ ./build/bin/run_tests.py -k device
ssssssss....FF........s
======================================================================
FAIL: test_query_device (tests.test_device.DeviceTest.test_query_device)
Test ibv_query_device()
----------------------------------------------------------------------
Traceback (most recent call last):
   File "/home/ubuntu/rdma-core/tests/test_device.py", line 63, in
   test_query_device
     self.verify_device_attr(attr, dev)
   File "/home/ubuntu/rdma-core/tests/test_device.py", line 200, in
   verify_device_attr
     assert attr.sys_image_guid != 0
            ^^^^^^^^^^^^^^^^^^^^^^^^
AssertionError

======================================================================
FAIL: test_query_device_ex (tests.test_device.DeviceTest.test_query_device_ex)
Test ibv_query_device_ex()
----------------------------------------------------------------------
Traceback (most recent call last):
   File "/home/ubuntu/rdma-core/tests/test_device.py", line 222, in
   test_query_device_ex
     self.verify_device_attr(attr_ex.orig_attr, dev)
   File "/home/ubuntu/rdma-core/tests/test_device.py", line 200, in
   verify_device_attr
     assert attr.sys_image_guid != 0
            ^^^^^^^^^^^^^^^^^^^^^^^^
AssertionError
"

The root cause is: before a net device is set with rxe, this net device
is used to generate a sys_image_guid.

Fixes: 2ac5415022 ("RDMA/rxe: Remove the direct link to net_device")
Signed-off-by: Zhu Yanjun <yanjun.zhu@linux.dev>
Link: https://patch.msgid.link/20250302215444.3742072-1-yanjun.zhu@linux.dev
Reviewed-by: Daisuke Matsuda <matsuda-daisuke@fujitsu.com>
Tested-by: Daisuke Matsuda <matsuda-daisuke@fujitsu.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
History 2025-03-28 22:03:25 +01:00
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README 

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.