This bug is missing log files that will aid in diagnosing the problem.
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This change has been made by an automated script, maintained by the
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** Changed in: linux (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1652132
Title:
Call trace when testing fstat stressor on ppc64el with virtual
keyboard and mouse present
Status in linux package in Ubuntu:
Incomplete
Bug description:
Ubuntu 16.04.1
Kernel = 4.4.0-53-generic-74-Ubuntu ppc64le
When running the stress-ng "fstat" stressor, it is trying to access
the USB bus and giving a call trace and locking up any further USB
activity (lsusb hangs). This only seems to occur so far on
openpower(Firestone and Garrison) where there is a virtual USB
keyboard and mouse built into the BMC.
From lsusb(before crashing): Bus 001 Device 004: ID 046b:ff10 American
Megatrends, Inc. Virtual Keyboard and Mouse
Another openpower server(Briggs) has no virtual usb devices and does
not experience the failure.
Please see attached kern.log and dmesg output for further details.
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