This bug is missing log files that will aid in diagnosing the problem.
While running an Ubuntu kernel (not a mainline or third-party kernel)
please enter the following command in a terminal window:
apport-collect 1885030
and then change the status of the bug to 'Confirmed'.
If, due to the nature of the issue you have encountered, you are unable
to run this command, please add a comment stating that fact and change
the bug status to 'Confirmed'.
This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.
** Changed in: linux (Ubuntu)
Status: New => Incomplete
** Changed in: linux (Ubuntu Focal)
Status: New => Incomplete
** Tags added: disco
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https://bugs.launchpad.net/bugs/1885030
Title:
[Intel] Add Error Disconnect Recover support
Status in intel:
New
Status in linux package in Ubuntu:
Incomplete
Status in linux source package in Focal:
Incomplete
Status in linux source package in Groovy:
Incomplete
Bug description:
As per the following PCIe spec ECNs, implement EDR support in Linux
kernel and upstream it.
https://members.pcisig.com/wg/PCI-SIG/document/14076
https://members.pcisig.com/wg/PCI-SIG/document/12888
Patchset (Merged 5.7 mainline):
894020fdd88c PCI/AER: Rationalize error status register clearing
ac1c8e35a326 PCI/DPC: Add Error Disconnect Recover (EDR) support
aea47413e7ce PCI/DPC: Expose dpc_process_error(), dpc_reset_link() for use by
EDR
20e15e673b05 PCI/AER: Add pci_aer_raw_clear_status() to unconditionally clear
Error Status
27005618178e PCI/DPC: Cache DPC capabilities in pci_init_capabilities()
e8e5ff2aeec1 PCI/ERR: Return status of pcie_do_recovery()
b6cf1a42f916 PCI/ERR: Remove service dependency in pcie_do_recovery()
be06c1b42eea PCI/DPC: Move DPC data into struct pci_dev
6d2c89441571 PCI/ERR: Update error status after reset_link()
b5dfbeacf748 PCI/ERR: Combine pci_channel_io_frozen cases
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