Public bug reported:
[Impact]
This impacts 2 socket Cavium ThunderX systems using pass-1.1 silicon, and can
result in IO hangs.
[Test Case]
$ dmesg | grep "ITS command queue timeout"
[Regression Risk]
The workaround is in gicv3 specific code, and only activated when the hw
revision in the IIDR matches ThunderX pass 1.x silicon, so risk to other
platforms is minimal.
** Affects: linux (Ubuntu)
Importance: High
Assignee: dann frazier (dannf)
Status: Confirmed
** Affects: linux (Ubuntu Xenial)
Importance: High
Assignee: dann frazier (dannf)
Status: Confirmed
** Changed in: linux (Ubuntu)
Status: New => Confirmed
** Changed in: linux (Ubuntu)
Assignee: (unassigned) => dann frazier (dannf)
** Changed in: linux (Ubuntu)
Importance: Undecided => High
** Also affects: linux (Ubuntu Xenial)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu Xenial)
Status: New => Confirmed
** Changed in: linux (Ubuntu Xenial)
Importance: Undecided => High
** Changed in: linux (Ubuntu Xenial)
Assignee: (unassigned) => dann frazier (dannf)
** Description changed:
[Impact]
- This impacts 2 socket Cavium ThunderX systems using pass-1.1 silicon.
+ This impacts 2 socket Cavium ThunderX systems using pass-1.1 silicon, and can
result in IO hangs.
[Test Case]
$ dmesg | grep "ITS command queue timeout"
[Regression Risk]
The workaround is in gicv3 specific code, and only activated when the hw
revision in the IIDR matches ThunderX pass 1.x silicon, so risk to other
platforms is minimal.
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https://bugs.launchpad.net/bugs/1589704
Title:
workaround cavium thunderx silicon erratum
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