** Changed in: linux (Ubuntu Bionic)
Status: In Progress => Fix Committed
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https://bugs.launchpad.net/bugs/1768974
Title:
Several hisi_sas bug fixes
Status in linux package in Ubuntu:
In Progress
Status in linux source package in Bionic:
Fix Committed
Bug description:
[Impact]
Several issues have been fixed upstream in the hisi_sas driver:
- Driver may configure the wrong signal attenuation setting
- Driver may not negotiate the correct max link rate supported by the phy
- phy must be disabled before trying to change its link rate
- Internal abort timeout doesn't take into account link negotiation time
- Driver returns incorrect values to upper levels
[Test Case]
Regression testing on D05 and D06 systems, which have different versions of
this controller.
[Regression Risk]
Code changes are restricted to the hisi_sas driver, and the HisSilicon D05
and D06 are the only two boards Ubuntu supports that use this driver. Explicit
testing on these two boards should mitigate the regression risk.
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