This bug is missing log files that will aid in diagnosing the problem.
While running an Ubuntu kernel (not a mainline or third-party kernel)
please enter the following command in a terminal window:
apport-collect 1775242
and then change the status of the bug to 'Confirmed'.
If, due to the nature of the issue you have encountered, you are unable
to run this command, please add a comment stating that fact and change
the bug status to 'Confirmed'.
This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.
** Changed in: linux (Ubuntu)
Status: New => Incomplete
** Tags added: artful
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https://bugs.launchpad.net/bugs/1775242
Title:
[Bionic/Artful][Qlogic NIC] RDMA/qedr: application hang due to missing
doorbell
Status in linux package in Ubuntu:
Incomplete
Bug description:
[Impact]
RDMA applications might hang with qlogic cards. This happens because
of a bug in the doorbell implementation.
[Test]
1) Set IP addresses on both server and client
2) On RoCE Server run "ib_send_bw -d qedr0 -x 2 -R"
3) On RoCE client run "ib_send_bw -d qedr0 -x 2 <IP of RoCE Server> -R"
4) Notice that the command fails to run
[Fix]
30bf066cd998 RDMA/qedr: Fix doorbell bar mapping for dpi > 1
[Regression Potential]
None
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