** Tags added: cscc
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Broadwell ECRC Support missing in Ubuntu
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** Changed in: linux (Ubuntu)
Assignee: Joseph Salisbury (jsalisbury) => (unassigned)
** Changed in: linux (Ubuntu Yakkety)
Assignee: Joseph Salisbury (jsalisbury) => (unassigned)
** Changed in: linux (Ubuntu Xenial)
Assignee: Joseph Salisbury (jsalisbury) => (unassigned)
** Chang
John, can you also include a little more detail about what the failure
looks like to a user? Does this result in AER errors being logged?
When we come up with a patch that works, I'd like to include a hint
about what user-visible problems it fixes in the changelog. I see from
the initial report t
I built a test kernel with the patch. The test kernel can be downloaded
from:
http://kernel.ubuntu.com/~jsalisbury/lp1571798
This test kernel needs both the linux-image and linux-image-extra .deb
packages.
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** No longer affects: linux (Ubuntu Vivid)
** No longer affects: linux (Ubuntu Wily)
** Also affects: linux (Ubuntu Zesty)
Importance: High
Assignee: Joseph Salisbury (jsalisbury)
Status: In Progress
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** Tags added: patch
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Title:
Broadwell ECRC Support missing in Ubuntu
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Please try the attached patch. It makes it so that if the device does
not support ECRC generation or checking, we don't enable those features.
Currently (without this patch), we *do* enable ECRC generation and
checking if _HPX allows, i.e., if the platform can support ECRC.
The ACPI dump confirms
This bug has been stale for a bit. Are there any updates?
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Title:
Broadwell ECRC Support missing in Ubuntu
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Bjorn Helgaas, have you looked at the ACPI dump? Any suggestions on
how to proceed?
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Title:
Broadwell ECRC Support missing in Ubuntu
To manage
I've attached the ACPI Dump for the system with the card in it. The
card is currently located on PCI Root Path 80:02.0, PCI Device
Bus/Device/Function of 84:00.0.
** Attachment added: "ACPI Dump File"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1571798/+attachment/4722039/+files/Inte
The register in question is the Advanced Error Capabilities and Control
register, at offset 0x18 in the Advanced Error Reporting capability,
which starts at 0x148 in the config space of device 80:02.0.
In the pre-boot value of 0x00a0, the following bits are set (per PCIe
spec r3.0, sec 7.10.7, the
I pinged upstream and the patch author requesting additional feedback.
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Broadwell ECRC Support missing in Ubuntu
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This version is working correctly.
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The bisect reported the following as the first bad commit:
commit 1302fcf0d03e6ea74846c7fee14736306ab2ce4b
Author: Bjorn Helgaas
Date: Sat Aug 30 07:23:01 2014 -0600
PCI: Configure *all* devices, not just hot-added ones
I built a Xenial test kernel with a revert of this commit.
The test
This version is broken.
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Broadwell ECRC Support missing in Ubuntu
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I built the next test kernel, up to the following commit:
1302fcf0d03e6ea74846c7fee14736306ab2ce4b
The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1571798
Can you test that kernel and report back if it has the bug or not? I
will build the next test kernel based on y
This version is broken.
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Broadwell ECRC Support missing in Ubuntu
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I built the next test kernel, up to the following commit:
d537a3abb4b7085ebc3ce35e64acbad8ece1eece
The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1571798
Can you test that kernel and report back if it has the bug or not? I
will build the next test kernel based on y
This version is working.
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Broadwell ECRC Support missing in Ubuntu
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I built the next test kernel, up to the following commit:
302328c00341f1c161bfe32d085d3e6549a08f2d
The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1571798
Can you test that kernel and report back if it has the bug or not? I
will build the next test kernel based on y
This version is working.
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Broadwell ECRC Support missing in Ubuntu
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I built the next test kernel, up to the following commit:
81ee57326c9ca612436bd6c98258942d57063c98
The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1571798
Can you test that kernel and report back if it has the bug or not? I
will build the next test kernel based on y
This version is broken.
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Broadwell ECRC Support missing in Ubuntu
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I built the next test kernel, up to the following commit:
cf8d7b589c53f17e10e9f1ef91dd9e2ba3ca9a7c
The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1571798
Can you test that kernel and report back if it has the bug or not? I
will build the next test kernel based on y
This version is also working correctly.
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Broadwell ECRC Support missing in Ubuntu
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I built the next test kernel, up to the following commit:
6a73336bde293741026614135419e9b76afb9145
The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1571798
Can you test that kernel and report back if it has the bug or not? I
will build the next test kernel based on y
This version is working correctly.
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Title:
Broadwell ECRC Support missing in Ubuntu
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I listed the SHA1 in comment #46 incorrectly. It was actually:
7e8dd58bd1a6cebb4c398ae6550cad9b44c3d45c
The next test kernel is now ready, and it is actually built up to:
134cd00d766fc7014b53d9cea67a6bcb894ae51e
The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1571
This version is working correctly.
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Broadwell ECRC Support missing in Ubuntu
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I built the next test kernel, up to the following commit:
134cd00d766fc7014b53d9cea67a6bcb894ae51e
The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1571798
Can you test that kernel and report back if it has the bug or not? I
will build the next test kernel based on y
This kernel version is broken.
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Title:
Broadwell ECRC Support missing in Ubuntu
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Thanks for re-running the test, John. I restarted the bisect and marked
ea584595fc85e65796335033dfca25ed655cd0ed as good this time.
I built the next test kernel, up to the following commit:
783a28ec0bf2c2d560d8004c92919d112a777e55
The test kernel can be downloaded from:
http://kernel.ubuntu.com
I rechecked and it turns out I misread commit
ea584595fc85e65796335033dfca25ed655cd0ed. It appears to be working in
that build as well.
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It looks like it may have been poor wording on my part. I said that
"The error is corrected in this build." I should have left it simply
that it was working in that build.
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Thanks, John. I copied all the test kernels back to:
http://kernel.ubuntu.com/~jsalisbury/lp1571798/
Each test kernel is under the corresponding SHA1.
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I will go back and retest the kernels you've posted. I'll start with
the last one I said was bad and verify that it was actually bad, then go
forward.
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ea584595fc85e65796335033dfca25ed655cd0ed was reported as the first bad
commit, but it is a merge:
commit ea584595fc85e65796335033dfca25ed655cd0ed
Merge: 782d59c a092e19
Author: Linus Torvalds
Date: Thu Oct 9 14:58:15 2014 -0400
Merge tag 'gpio-v3.18-1' of
git://git.kernel.org/pub/scm/linux
This version is working correctly.
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Broadwell ECRC Support missing in Ubuntu
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I built the next test kernel, up to the following commit:
782d59c5dfc5ac39ac8cfb4c6dd40597938dde9c
The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1571798
Can you test that kernel and report back if it has the bug or not? I
will build the next test kernel based on y
This version is also correct.
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Broadwell ECRC Support missing in Ubuntu
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I built the next test kernel, up to the following commit:
afa3536be88b435a057cb727b48fd3d760a497d2
The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1571798
Can you test that kernel and report back if it has the bug or not? I
will build the next test kernel based on y
This version is working as well.
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Broadwell ECRC Support missing in Ubuntu
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I built the next test kernel, up to the following commit:
3631073659d0aafeaa52227bb61a100efaf901dc
The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1571798
Can you test that kernel and report back if it has the bug or not? I
will build the next test kernel based on y
This version is also working.
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Broadwell ECRC Support missing in Ubuntu
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I built the next test kernel, up to the following commit:
a092e19b688be88f7329bd05f90cb92ebe1a4f5b
The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1571798
Can you test that kernel and report back if it has the bug or not? I
will build the next test kernel based on y
This version is working correctly.
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Title:
Broadwell ECRC Support missing in Ubuntu
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I built the next test kernel, up to the following commit:
867f667fb9c6734e06cc24e96fc7f06a7e772084
The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1571798
Can you test that kernel and report back if it has the bug or not? I
will build the next test kernel based on y
This version is also working correctly.
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Title:
Broadwell ECRC Support missing in Ubuntu
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I built the next test kernel, up to the following commit:
7b31997a734cd24c305d5c58a366e4c8f7673e02
The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1571798
Can you test that kernel and report back if it has the bug or not? I
will build the next test kernel based on y
I had issues installing this set of kernel files. I'm receiving the
following errors when installing the *.deb package.
Errors were encountered while processing: linux-
headers-3.17.0-031700rc1-generic.
I downloaded the mainline linux-
headers-3.17.0-031700rc1_3.17.0-031700rc1.201409021903_all.d
I built the next test kernel, up to the following commit:
2828c9cdb8bd30f49c48210c014ccdd4cb994931
The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1571798
Can you test that kernel and report back if it has the bug or not? I
will build the next test kernel based on y
The error is corrected in this build.
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Broadwell ECRC Support missing in Ubuntu
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I built the next test kernel, up to the following commit:
ea584595fc85e65796335033dfca25ed655cd0ed
The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1571798
Can you test that kernel and report back if it has the bug or not? I
will build the next test kernel based on y
The error is still present.
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Broadwell ECRC Support missing in Ubuntu
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I built the next test kernel, up to the following commit:
80213c03c4151d900cf293ef0fc51f8d88495e14
The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1571798
Can you test that kernel and report back if it has the bug or not? I
will build the next test kernel based on y
Error still exists in this update.
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Broadwell ECRC Support missing in Ubuntu
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I built the next test kernel, up to the following commit:
b211e9d7c861bdb37b86d6384da9edfb80949ceb
The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1571798
Can you test that kernel and report back if it has the bug or not? I
will build the next test kernel based on y
The error still exists in this kernel.
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Title:
Broadwell ECRC Support missing in Ubuntu
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I built the next test kernel, up to the following commit:
bf65dea87e87c53ba4f97c6432761498bc977efd
The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1571798
Can you test that kernel and report back if it has the bug or not? I
will build the next test kernel based on y
Error occurred after this update.
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Broadwell ECRC Support missing in Ubuntu
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I built the first test kernel, up to the following commit:
d6dd50e07c5bec00db2005969b1a01f8ca3d25ef
The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1571798
Can you test that kernel and report back if it has the bug or not? I
will build the next test kernel based on
The test Kernel provided does not cause the error.
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Title:
Broadwell ECRC Support missing in Ubuntu
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I started a kernel bisect between v3.17 final and v3.18-rc1. The kernel
bisect will require testing of about 7-10 test kernels.
I built the first test kernel, up to the following commit:
35a9ad8af0bb0fa3525e6d0d20e32551d226f38e
The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsa
It looks like the break happened in the initial release candidate.
3.18rc1
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Thanks for testing, John. To narrow it down further, can you test some
of the 3.18 release candidates?
They can all be downloaded from:
http://kernel.ubuntu.com/~kernel-ppa/mainline/
I'd suggest trying -rc1 first. If that version does not have the bug,
try some of the newer candidates:
v3.18-r
Here are the results from upgrading the mainline kernel.
Started at 14.04.4 and upgraded to kernel 4.6 - Error is still
occurring.
Started at 14.04.2 and upgraded to kernel 3.17 - Still working as expected
Upgraded from kernel 3.17 to 3.18 - Error starts to appear.
It looks like something happen
Did you happen to have a chance to test the latest mainline kernel,
posted in comment #2? Mainline is now up to -rc7, so the link to the
kernel would be:
http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.6-rc7-wily/
If the bug is fixed in mainline, we can perform a reverse bisect to
identify the
I was just curious if there was anything else that I could provide to
help with the debugging of this issue. Please let me know.
Thanks,
John Mazzie
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I've just completed the test with 14.04.2 and 14.04.3. It appears to be
correct in 14.04.2 (00a0) but broken in 14.04.3 (01e0). I'm attaching
the apport logs from both tests. 3.16.0-30 corresponds to 14.04.2 and
3.19.0-25 corresponds to 14.04.3.
Thanks,
John
** Attachment added: "apport.linux-
Fantastic, thanks John.
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Mark,
I just finished testing with 14.04.1 and the value is correct. The
value returned is ":80:02.0 @160 = 00a0". I'm going to try with
14.04.2 and 14.04.3 as well to see where the change occurs. I've also
attached the "apport-cli linux" logs from my 14.04.1 test.
** Attachment added: "ap
Thanks John,
Can you test some earlier versions of Ubuntu 14.04 and see if you have
the same problem?
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Attached are the requested logs from the system with the current issue.
I was not able to run apport due to our proxy.
The card in question is current at PCI Root Path 80:02.0 (Intel Quick
Assist 8950).
When running the command "setpci -s 80:02.0 160.w", the value returned
is ":80:02.0 @160 =
Hi Mark,
Do we know if this is a regression? It could be since RHEL 7.2 does not
have the bug. Does this issue happen in 14.04.3 or 14.04.2? If it is a
regression, we can go the kernel bisect route and try to find the commit
that introduced this.
It would also be good if they can test the late
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