Thanks a lot! I'll send the patch to upstream based on your test result.
Really appreciated!
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Title:
[SRU][Regression] Revert "PM:
>https://people.canonical.com/~khfeng/tg3-poweroff/
This one does not show the issue.
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Title:
[SRU][Regression] Revert "PM: ACPI:
Please give this one a try:
https://people.canonical.com/~khfeng/tg3-poweroff/
In addition to clearing bus master, this kernel also powers down tg3
device. Hopefully this can avoid the unwanted MSI interrupt.
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>https://people.canonical.com/~khfeng/clear-bus-master/
We see the original issue with this kernel.
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Title:
[SRU][Regression]
Hi Vinay,
Can you please test Kai-Heng's kernel in comment #25? He is looking to
test a solution that could solve the root cause of this issue and that
will also reinstate the original patch because the original patch is fix
for other issues.
Thanks,
Michael
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The AER error seems to be an MSI/MSI-X interrupt, and the only difference I can
find between tg3_remove_one() and tg3_shutdown() is the former clears the bus
mastering bit. So if possible please give the following test kernel a try and
see if using ACPI S5 for reboot is okay with the change:
Vinay, I am running out of idea. Are all affected systems Dell ones? I
am thinking a simple DMI quirk for Dell platforms.
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Title:
In reply to comment 22
I have tried reproducing the fatal-error issue by using provided test kernel
(linux-image-unsigned-5.18.0-4-generic_5.18.0-4.4_amd64.deb) and Issue is seen.
Attaching serial logs of the efforts.
** Attachment added: "fatalerror_testkernel"
Can anyone please give this test kernel a try:
https://people.canonical.com/~khfeng/lp1917471/
The kernel uses S5 reboot, but ignores AER for GHES.
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This bug was fixed in the package linux - 5.4.0-110.124
---
linux (5.4.0-110.124) focal; urgency=medium
* focal/linux: 5.4.0-110.124 -proposed tracker (LP: #1969053)
* net/mlx5e: Fix page DMA map/unmap attributes (LP: #1967292)
- net/mlx5e: Fix page DMA map/unmap attributes
** Tags removed: verification-needed-focal
** Tags added: verification-done-focal
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Title:
[SRU][Regression] Revert "PM: ACPI:
In reply to comment 19
I have tried reproducing the fatal-error issue by using focal proposed kernel
(linux-image-unsigned-5.4.0-110-generic_5.4.0-110.124_amd64.deb) - Issue is no
longer seen.
Attaching serial console logs of the efforts.
** Attachment added:
This bug is awaiting verification that the linux/5.4.0-110.124 kernel in
-proposed solves the problem. Please test the kernel and update this bug
with the results. If the problem is solved, change the tag
'verification-needed-focal' to 'verification-done-focal'. If the problem
still exists, change
** Changed in: linux (Ubuntu Focal)
Status: In Progress => Fix Committed
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Title:
[SRU][Regression] Revert "PM: ACPI: reboot:
PR made for the Focal part of this
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Title:
[SRU][Regression] Revert "PM: ACPI: reboot: Use S5 for reboot" which
causes Bus Fatal
@Kai-Heng Feng
In reply to comment #16
Can you please try "reboot=" kernel parameter? the value can be "bios, acpi,
kbd, triple, efi, or pci".
--> I have tried passing kernel parameters as mentioned above, and all the
times I have observed the fatal error.
Attaching console logs of the efforts.
** Description changed:
SRU Justification:
[IMPACT]
This is being reported by a hardware partner as it is being noticed a
lot both in their internal testing teams and also being reported with
some frequency by customers who are seeing these messages in their logs
and thus it is
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