Also seeing this problem on Dell PowerEdge with a xeon phi processor and
4.8 kernel on Ubuntu 16.10.
See attached.
** Attachment added: "disk_test.txt"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1640547/+attachment/4775439/+files/disk_test.txt
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** Changed in: linux (Ubuntu Xenial)
Assignee: (unassigned) => Colin Ian King (colin-king)
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https://bugs.launchpad.net/bugs/1640547
Title:
Disk test fails on IBM Power S822LC (8335
stress-ng: fail: [5002] stress-ng-aio-linux: io_setup failed, errno=1
(Operation not permitted)
This indicates that the AIO linux io_setup failed with EPERM 1 Operation
not permitted error, which is a bit bizarre as the man page does not
list that error for that system call.
if (io_setup(
Did this issue start happening after an update/upgrade? Was there a
prior kernel version where you were not having this particular problem?
Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v4.9 kernel[0
