** Changed in: linux (Ubuntu Artful)
Status: In Progress => Fix Committed
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https://bugs.launchpad.net/bugs/1736774
Title:
arm64/thunderx: Unhandled context faults in ACPI mode
Status in linux package in Ubuntu:
Fix Committed
Status in linux source package in Zesty:
Won't Fix
Status in linux source package in Artful:
Fix Committed
Bug description:
[Impact]
Booting a Cavium ThunderX node in ACPI mode results in constant messages like
this to the console:
arm-smmu arm-smmu.1.auto: Unhandled context fault: fsr=0x80000402,
iova=0x0fffc000, fsynr=0x10081, cb=1
In some configurations, this causes the SATA controller to fail to
initialize, making the system unbootable. (Note to self: this occurs
on our internal system known as "alekhin").
[Test Case]
Boot a Cavium ThunderX node w/ the kernel parameter "acpi=on" and watch the
console.
[Regression Risk]
The fixes are restricted to quirks for Cavium ThunderX hardware, which is
hardware we've tested directly.
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