Turns out "pcie_aspm=off" effectively disables AER because Linux doesn't
request AER control when it doesn't advertise ASPM support (see
ACPI_PCIE_REQ_SUPPORT). That explains why "pcie_aspm=off" would avoid
the error reporting.
This report was from a v3.11-based kernel. v3.11 is from Mon Sep 2
Generally we should not see reproducible PCIe Correctable Errors in
significant numbers. Some have reported that "pcie_aspm=off" avoids the
errors. If that's the case for you, see
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2043665/comments/6
and help me investigate it!
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** Tags added: cscc
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https://bugs.launchpad.net/bugs/1279699
Title:
AER: Corrected error received: id=00e4 / PCIe Bus Error:
severity=Corrected, type=Physical Layer,
Bug was gone (fixed, I think) in my PC today after installing new Kernel
version "linux-image-4.15.0-50-generic" in Ubuntu 18.04.2 x86_64.
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Still present in 3.14.0-031400rc8-generic
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Title:
AER: Corrected error received: id=00e4 / PCIe Bus Error:
severity=Corrected,
Still present in 3.14.0-031400rc7-generic
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Title:
AER: Corrected error received: id=00e4 / PCIe Bus Error:
severity=Corrected,
Still present in kernel 3.14.0-031400rc6-generic
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Title:
AER: Corrected error received: id=00e4 / PCIe Bus Error:
Still present in kernel 3.14.0-031400rc4-generic
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Title:
AER: Corrected error received: id=00e4 / PCIe Bus Error:
Tested it with the latest v3.13 kernel (3.13.3-031303.201402131842) and
the errors still exists there too..
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Title:
AER: Corrected
Tested it with the latest v3.14 kernel (3.14.0-031400rc2.201402092235)
and the errors still exists there too..
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Title:
AER:
Can be triggered when running 'iperf -c xxx.xxx.xxx.xxx' on this server and
'iperf -s' on another server.
Does not happen when running 'iperf -s' running on this server and 'iperf -c
xxx.xxx.xxx.xxx' on another server.
In some occasions another error is kicking in too (Bad DLLP):
[
apport information
** Changed in: linux (Ubuntu)
Status: Incomplete = Confirmed
** Tags added: apport-collected
** Description changed:
Description:Ubuntu 13.10
Release:13.10 (Ubuntu 3.11.0-15.25-generic 3.11.10)
On Ubuntu 3.11.0-15.25-generic 3.11.10 I am getting
Would it be possible for you to test the latest upstream kernel? Refer to
https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest v3.13
kernel[0].
If this bug is fixed in the mainline kernel, please add the following
tag 'kernel-fixed-upstream'.
If the mainline kernel does not
Tested it with the latest v3.13 kernel (3.13.2-031302.201402061638) and
the errors still exists there too..
** Tags added: kernel-bug-exists-upstream
** Changed in: linux (Ubuntu)
Status: Incomplete = Confirmed
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