** Also affects: linux (Ubuntu Utopic)
Importance: Undecided
Status: Confirmed
** Also affects: linux (Ubuntu Trusty)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu Trusty)
Status: New => Fix Committed
** Changed in: linux (Ubuntu Utopic)
Status: Confirmed => In Progress
** Changed in: linux (Ubuntu Utopic)
Assignee: (unassigned) => dann frazier (dannf)
** Patch added: "Trusty: ahci_xgene: Removing NCQ support from the APM X-Gene
SoC AHCI SATA Host Controller driver"
https://bugs.launchpad.net/ubuntu/utopic/+source/linux/+bug/1358498/+attachment/4181601/+files/0001-ahci_xgene-Removing-NCQ-support-from-the-APM-X-Gene-.patch
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https://bugs.launchpad.net/bugs/1358498
Title:
ahci-xgene falsely advertises NCQ support
Status in “linux” package in Ubuntu:
In Progress
Status in “linux” source package in Trusty:
Fix Committed
Status in “linux” source package in Utopic:
In Progress
Bug description:
[IMPACT]
ahci-xgene doesn't support NCQ but it sets this flag. This causes SATA
failures that surface as a filesystem being remounted read-only due to errors
when using a disk that supports NCQ.
[TEST CASE]
Do a network boot install on an X-Gene system with an SSD drive that supports
NCQ. The install will fail and dmesg will show the filesystem being remounted
read-only.
[Regression Potential]
Minimal; we're turning off a feature that is known broken.
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