** Changed in: linux (Ubuntu Bionic)
Status: Triaged => In Progress
** Changed in: linux (Ubuntu)
Status: Triaged => In Progress
** Changed in: linux (Ubuntu Bionic)
Assignee: (unassigned) => Joseph Salisbury (jsalisbury)
** Changed in: linux (Ubuntu)
Assignee: (unassigned) => Joseph Salisbury (jsalisbury)
** Description changed:
- In Ubuntu kernel version 4.15, Downstream Port Containment (DPC) is set too
aggressively and will trigger DPC on NON-FATALs. In newer kernels it is set to
trigger on FATALs.
- Additionally, the DPC will consume the interrupt before passing it on to AER
for analysis.
- Finally, udev is not notified of device offline events by AER.
+ DPC trigger changed to FATAL with commit:
- In order to support PCI DPC and AER more effectively in 4.15, please
- backport the following commits from upstream. Most of these are either
- refactors or cleanups:
+ commit 6927868e7ae929f037eea973c582b870808880b6
+ Author: Oza Pawandeep <p...@codeaurora.org>
+ Date: Thu May 17 16:44:18 2018 -0500
- 856e1eb9bdd4bd703907925be112519ff65d991f
- aa6ca5a9d7d08bc151f9de6101fe466fae4255c0
- aa745effd0acb23ad832148c9a7cee1ba8616d18
- b604472d6f94f9749e19253e8f8bc15c31fdcecf
- 9f5a70f18c5893a30d6c339adc48de43c57dd7e2
- 7e9084b36740b2ec263ea35efb203001f755e1d8
- d25e28e8d2451ff5ebbf5cdaf2fc280cf8c26c13
- 3ecac020d6dd09259414f423b577347ebee9f533
- 2e28bc84cf6eecd3759d7ae723bb0f5f09becf76
- f252d0621a1102a66aa833f09531a3baec261288
- e76d596aef0caa7296e42e29a0a81bc4155807df
- 6927868e7ae929f037eea973c582b870808880b6
- 0b91439d35550f585b49e8933fda68663ba03bb2
- b09803b5e546d553aebbb017ff30b8a54d81d1de
- ad4050dcda135548477c1b04909f9ebd0b9e17ba
- 010caed4ccb624be619e22f9708c47f6b5c5a05c
-
- I've attached a backport series I've done myself
+ PCI/DPC: Disable ERR_NONFATAL handling by DPC
** Summary changed:
- 4.15 Kernel PCI DPC/AER backport fixes from upstream
+ [Bionic] PCI/DPC: Disable ERR_NONFATAL handling by DPC
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https://bugs.launchpad.net/bugs/1787256
Title:
[Bionic] PCI/DPC: Disable ERR_NONFATAL handling by DPC
Status in linux package in Ubuntu:
In Progress
Status in linux source package in Bionic:
In Progress
Bug description:
DPC trigger changed to FATAL with commit:
commit 6927868e7ae929f037eea973c582b870808880b6
Author: Oza Pawandeep <p...@codeaurora.org>
Date: Thu May 17 16:44:18 2018 -0500
PCI/DPC: Disable ERR_NONFATAL handling by DPC
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