[Expired for linux (Ubuntu) because there has been no activity for 60
days.]
** Changed in: linux (Ubuntu)
Status: Incomplete => Expired
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https://bugs.launchpad.net/bugs/1861057
Title:
CONFIG_IOMMU_DEBUGFS should not be on by default
Status in linux package in Ubuntu:
Expired
Status in linux source package in Disco:
Won't Fix
Status in linux source package in Eoan:
Won't Fix
Bug description:
This config option causes the following message to be displayed in the
kernel log:
[ 0.568713] *************************************************************
[ 0.570549] ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE **
[ 0.570640] ** **
[ 0.572478] ** IOMMU DebugFS SUPPORT HAS BEEN ENABLED IN THIS KERNEL **
[ 0.574313] ** **
[ 0.574640] ** This means that this kernel is built to expose internal **
[ 0.576481] ** IOMMU data structures, which may compromise security on **
[ 0.578307] ** your system. **
[ 0.578642] ** **
[ 0.580486] ** If you see this message and you are not debugging the **
[ 0.582327] ** kernel, report this immediately to your vendor! **
[ 0.582641] ** **
[ 0.584469] ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE **
[ 0.586296] *************************************************************
This was pointed out by a cloud vendor, but it should probably be
disabled in all kernel configs.
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