** Changed in: linux (Ubuntu Artful)
Status: In Progress => Fix Committed
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https://bugs.launchpad.net/bugs/1739807
Title:
hisi_sas: driver robustness fixes
Status in linux package in Ubuntu:
Fix Committed
Status in linux source package in Artful:
Fix Committed
Status in linux source package in Bionic:
Fix Committed
Bug description:
[Impact]
There are several bugs in the driver that can cause it to fail during
teardown/error recovery.
[Test Case]
Regression tested by issuing sg_reset commands in a loop during an iozone3
run on a disk attached to a hisi_sas controller.
$ iozone -i &
$ while :; do sudo sg_reset --device /dev/sda; sleep 5; done
[Regression Risk]
All fixes are encapsulated within a single driver which was explicitly tested
for regressions.
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