** Also affects: linux (Ubuntu Xenial)
Importance: Undecided
Status: New
** Also affects: linux-gcp (Ubuntu Xenial)
Importance: Undecided
Status: New
** No longer affects: linux-gcp (Ubuntu Xenial)
** Changed in: linux (Ubuntu Bionic)
Assignee: (unassigned) => Marcelo Cerri (mhcerri)
** Changed in: linux (Ubuntu Cosmic)
Assignee: (unassigned) => Marcelo Cerri (mhcerri)
** Changed in: linux (Ubuntu Xenial)
Assignee: (unassigned) => Marcelo Cerri (mhcerri)
** Changed in: linux (Ubuntu Xenial)
Status: New => In Progress
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https://bugs.launchpad.net/bugs/1788222
Title:
Bugfix for handling of shadow doorbell buffer
Status in linux package in Ubuntu:
Fix Committed
Status in linux-gcp package in Ubuntu:
Fix Released
Status in linux source package in Xenial:
In Progress
Status in linux source package in Bionic:
Fix Released
Status in linux source package in Cosmic:
Fix Committed
Bug description:
This request is to pull in the following patch for NVMe bug from
https://lore.kernel.org/patchwork/patch/974880/ in the linux-gcp
kernel:
===
This patch adds full memory barrier into nvme_dbbuf_update_and_check_event
function to ensure that the shadow doorbell is written before reading
EventIdx from memory. This is a critical bugfix for initial patch that
added support for shadow doorbell into NVMe driver[...].
To manage notifications about this bug go to:
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