** Description changed:
SRU Justification:
[Impact]
Recovery from DownPort Containment events fail and the NVMe endpoint is not
accessible in some scenarios.
[Fix]
These are some of the DPC fixes which help in handling some of the
failure cases of DownPort Containment events.
** Description changed:
SRU Justification:
[Impact]
Recovery from DownPort Containment events fail and the NVMe endpoint is not
accessible in some scenarios.
[Fix]
These are some of the DPC fixes which help in handling some of the
failure cases of DownPort Containment events.
** Description changed:
SRU Justification:
[Impact]
Recovery from DownPort Containment events fail and the NVMe endpoint is not
accessible in some scenarios.
[Fix]
These are some of the DPC fixes which help in handling some of the
failure cases of DownPort Containment events.
** Description changed:
SRU Justification:
[Impact]
Recovery from DownPort Containment events fail and the NVMe endpoint is not
accessible in some scenarios.
[Fix]
These are some of the DPC fixes which help in handling some of the
failure cases of DownPort Containment events.
Michael,
We tried the test kernel from comment #5. From the sanity tests, basic
functionality works as expected -
On a system where NVMe end point is connected to root port,
1. When an EDR event occurs, the link is contained and system does not crash.
2. The config space of NVMe end point device
** Changed in: linux (Ubuntu Jammy)
Assignee: Jeff Lane (bladernr) => Michael Reed (mreed8855)
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Title:
Include DPC Fixes in Ubuntu 22.04 and
I have updated the test kernel with CONFIG_PCIE_EDR enabled.
https://people.canonical.com/~mreed/lp_1965241_DPC_Fix/
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https://bugs.launchpad.net/bugs/1965241
Title:
Include DPC Fixes
** Description changed:
SRU Justification:
- Impact:
+ [Impact]
Recovery from DownPort Containment events fail and the NVMe endpoint is not
accessible in some scenarios.
- Fix:
+ [Fix]
These are some of the DPC fixes which help in handling some of the
failure cases of DownPort Co
Here is the latest branch with the changes
https://code.launchpad.net/~mreed8855/ubuntu/+source/linux/+git/jammy/+ref/test_dpc_1965241
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Title:
I
I have provided test kernels at the following link:
https://people.canonical.com/~mreed/lp_1965241_DPC_Fix/
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https://bugs.launchpad.net/bugs/1965241
Title:
Include DPC Fixes in Ubuntu
I found that this additional patch was also needed.
Pcie_port_device_iter was added in 5.16 and referenced in the "PCI:
pciehp: Ignore Link Down/Up caused by error-induced Hot Reset" patch
commit 3134689f98f9e09004a4727370adc46e7635b4be
Author: Lukas Wunner
Date: Fri Oct 15 13:58:40 2021 -0500
** Also affects: dellserver
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1965241
Title:
Include DPC Fixes in Ubuntu 22.04 and 20.04
To manage notificati
** Changed in: linux (Ubuntu)
Status: Incomplete => In Progress
** Changed in: linux (Ubuntu)
Assignee: (unassigned) => Jeff Lane (bladernr)
** Description changed:
+ SRU Justification:
+
Impact:
+ Recovery from DownPort Containment events fail and the NVMe endpoint is not
access
** Description changed:
- These are some of the DPC fixes which help in handling some of the
- failure cases of DownPort Containment events. Without these, recovery
- from DPC event fails and NVMe endpoint is not accessible for some of the
- scenarios.
+ Impact:
+
+ Target kernels: 5.15
+
+
+
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