Activity log for bug #1821408

Date Who What changed Old value New value Message
2019-03-22 20:02:30 dann frazier bug added bug
2019-03-22 20:03:39 dann frazier nominated for series Ubuntu Cosmic
2019-03-22 20:03:39 dann frazier bug task added linux (Ubuntu Cosmic)
2019-03-22 20:03:39 dann frazier nominated for series Ubuntu Xenial
2019-03-22 20:03:39 dann frazier bug task added linux (Ubuntu Xenial)
2019-03-22 20:03:39 dann frazier nominated for series Ubuntu Disco
2019-03-22 20:03:39 dann frazier bug task added linux (Ubuntu Disco)
2019-03-22 20:03:39 dann frazier nominated for series Ubuntu Bionic
2019-03-22 20:03:39 dann frazier bug task added linux (Ubuntu Bionic)
2019-03-22 20:03:51 dann frazier linux (Ubuntu Disco): status New In Progress
2019-03-22 20:03:54 dann frazier linux (Ubuntu Disco): assignee dann frazier (dannf)
2019-03-25 23:50:45 dann frazier description [Impact] SATA disks may be unusable will not be usable when: - The disk is connected through a SAS expander - Controller uses a libsas-based driver (mvsas, aic94xx, hisi_sas) - link rate between expander & disk is greater than link between controller and expander [Test Case] See conditions in "Impact" [Fix] cec9771d2e954 scsi: libsas: Support SATA PHY connection rate unmatch fixing during discovery [Regression Risk] Impact is restricted to drivers that use libsas: mvsas, aic94xx & hisi_sas. Code change is all within an "if" statement that meets these restrictions. A bug in this code could possibly reduce the speed of an otherwise working disk connection. [Impact] SATA disks may be unusable will not be usable when:  - The disk is connected through a SAS expander  - Controller uses a libsas-based driver (mvsas, aic94xx, hisi_sas)  - link rate between expander & disk is greater than link between controller and expander [Test Case] See conditions in "Impact" Can be simulated with: for f in /sys/class/sas_phy/phy-1\:*/maximum_linkrate; do echo "3.0 Gbit" | sudo tee $f done [Fix] cec9771d2e954 scsi: libsas: Support SATA PHY connection rate unmatch fixing during discovery [Regression Risk] Impact is restricted to drivers that use libsas: mvsas, aic94xx & hisi_sas. Code change is all within an "if" statement that meets these restrictions. A bug in this code could possibly reduce the speed of an otherwise working disk connection.
2019-03-26 00:05:40 dann frazier linux (Ubuntu Cosmic): status New In Progress
2019-03-26 00:05:43 dann frazier linux (Ubuntu Bionic): status New In Progress
2019-03-26 00:05:56 dann frazier linux (Ubuntu Cosmic): assignee dann frazier (dannf)
2019-03-26 00:05:58 dann frazier linux (Ubuntu Bionic): assignee dann frazier (dannf)
2019-03-27 16:44:00 dann frazier linux (Ubuntu Bionic): status In Progress Won't Fix
2019-03-27 16:44:03 dann frazier linux (Ubuntu Cosmic): status In Progress Won't Fix
2019-03-27 16:44:05 dann frazier linux (Ubuntu Xenial): status New Won't Fix
2019-03-27 16:46:19 dann frazier description [Impact] SATA disks may be unusable will not be usable when:  - The disk is connected through a SAS expander  - Controller uses a libsas-based driver (mvsas, aic94xx, hisi_sas)  - link rate between expander & disk is greater than link between controller and expander [Test Case] See conditions in "Impact" Can be simulated with: for f in /sys/class/sas_phy/phy-1\:*/maximum_linkrate; do echo "3.0 Gbit" | sudo tee $f done [Fix] cec9771d2e954 scsi: libsas: Support SATA PHY connection rate unmatch fixing during discovery [Regression Risk] Impact is restricted to drivers that use libsas: mvsas, aic94xx & hisi_sas. Code change is all within an "if" statement that meets these restrictions. A bug in this code could possibly reduce the speed of an otherwise working disk connection. [Impact] SATA disks may be unusable will not be usable when:  - The disk is connected through a SAS expander  - Controller uses a libsas-based driver (mvsas, aic94xx, hisi_sas)  - link rate between expander & disk is greater than link between controller and expander This is unlikely to occur in any production environment, but has occurred in early silicon testing. Fixing this would be helpful in those environments. [Test Case] See conditions in "Impact" Can be simulated with: for f in /sys/class/sas_phy/phy-1\:*/maximum_linkrate; do   echo "3.0 Gbit" | sudo tee $f done [Fix] cec9771d2e954 scsi: libsas: Support SATA PHY connection rate unmatch fixing during discovery [Regression Risk] Impact is restricted to drivers that use libsas: mvsas, aic94xx & hisi_sas. Code change is all within an "if" statement that meets these restrictions. A bug in this code could possibly reduce the speed of an otherwise working disk connection.
2019-03-28 11:51:51 Seth Forshee linux (Ubuntu Disco): status In Progress Fix Committed
2019-04-13 07:57:02 Launchpad Janitor linux (Ubuntu Disco): status Fix Committed Fix Released
2019-04-13 07:57:02 Launchpad Janitor cve linked 2019-9857