For item 1:
* Confirm that makedumpfile works as expected by triggering a kdump.
I can confirm that makedumpfile 1:1.6.7-1ubuntu2.5 from focal-
proposed/main worked well when I triggered a dump in a system:
ubuntu@fabio-small-makedumpfile:~$ sudo hostnamectl
Static hostname:
For item 2:
* Confirm that the patched makedumpfile works as expected on a system
known to experience the issue.
Unfortunately I'm no longer able to reproduce the original issue.
Even running on the same hardware where this was originally noticed,
with the same kernel version
Hi Chris,
You're correct, I'm sorry. My test on comment #23 is the 3rd item you
listed.
Let me work on 1 and 2 and I'll get back here.
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I've tested makedumpfile from -proposed on Focal and it looks good to
me.
Using a vmcore file with 2TB as an input:
- Original makedumpfile 1.6.7-1ubuntu2.4 fails:
ubuntu@kdump-instance:~$ sudo apt-cache policy makedumpfile
makedumpfile:
Installed: 1:1.6.7-1ubuntu2.4
Candidate:
Verified a Focal guest as follows:
1. Reproduced the problem with kernel 5.4.0-152-generic:
https://pastebin.ubuntu.com/p/Cgj6j4Prbc/
2. As a workaround removed:
0x0003
3. Installed kernel from -proposed:
root@ubuntu:~# apt-cache policy linux-image-virtual linux-virtual
I've verified a Jammy guest as follows:
1. Reproduced the problem with kernel 5.15.0-75-generic:
https://pastebin.ubuntu.com/p/844W5SzjR8/
2. As a workaround removed:
0x0003
3. Installed kernel from -proposed:
root@ubuntu:~# apt-cache policy linux-image-virtual linux-virtual
I believe this patch might have been dropped for newer linux-aws
kernels. I just reproduced this problem while running 5.15.0-1026-aws
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This is a grub bug and it is being tracked here:
[SRU] unable to boot guest with large memory when SEV is enabled on host
https://bugs.launchpad.net/ubuntu/+source/grub2-unsigned/+bug/1989446
** Changed in: grub2 (Ubuntu)
Status: Confirmed => Invalid
** Changed in: grub2 (Ubuntu Impish)
This is a grub bug and it is being tracked here:
[SRU] unable to boot guest with large memory when SEV is enabled on host
https://bugs.launchpad.net/ubuntu/+source/grub2-unsigned/+bug/1989446
** Changed in: linux (Ubuntu)
Status: Confirmed => Invalid
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Hi Si-Wei, the 5.11 kernel has reached EOL in Feb 2022. Kernel 5.15 is
the one currently being used for linux-oracle kernel on Focal (20.04)
and Jammy (22.04), and it has the commit that you mentioned above:
$ git log --oneline | grep -i "Fix page DMA map/unmap attributes"
a865fe280b96 net/mlx5e:
That is also available in the 5.4 kernel, so that also covers Bionic
(18.04) guests if needed:
$ git log --oneline | grep -i "Fix page DMA map/unmap attributes"
53176ef0d809 net/mlx5e: Fix page DMA map/unmap attributes
$ git tag --contains 53176ef0d809
Ubuntu-oracle-5.4.0-1071.77
Just tested this 5.13.0-1029.32~lp1977919.1 kernel and confirmed that it
fixes the issue (doesn't crash when running the same docker container
that would crash in the -1028 kernel)
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I believe the "EFI stub: ERROR: FIRMWARE BUG: kernel image not aligned
on 64k boundary" that was reported on this bug is not what is preventing
the VM from booting. If you look into the full log you provided, that
message is logged both on the boot that succeeded and in the one that
got stuck.
I
Another customer has provided positive feedback that it fixes the issue
on Focal:
5.4.0-73-generic #82-Ubuntu SMP Wed Apr 14 17:39:42 UTC 2021
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Hi Po,
IIUC this bug is related to commit
627450ac21f7f4a44b949c5d5e2c35829ff1784f, which is in 4.15.0-74, which
I see now in -updates / -security. Isn't it completed yet?
$ git tag --contains 627450ac21f7f4a44b949c5d5e2c35829ff1784f
Ubuntu-4.15.0-73.82
Ubuntu-4.15.0-74.84
** Tags removed: verification-needed-xenial
** Tags added: verification-done-xenial
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https://bugs.launchpad.net/bugs/1793430
Title:
Page leaking in
** Changed in: linux (Ubuntu Artful)
Status: Fix Committed => Confirmed
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https://bugs.launchpad.net/bugs/1734327
Title:
Kernel panic on a nfsroot system
Status in
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