** Changed in: linux (Ubuntu)
Status: Triaged => Fix Released
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Title:
WARNING: CPU: 28 PID: 34085 at /build/linux-
** No longer affects: linux (Ubuntu)
** No longer affects: linux (Ubuntu Xenial)
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Title:
[KVM] Lower the default for halt_poll_ns to 20 ns
** Changed in: linux (Ubuntu)
Status: Triaged => Fix Released
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Title:
Fix kmalloc slab creation sequence
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** Changed in: linux (Ubuntu)
Status: Fix Committed => Fix Released
** No longer affects: linux (Ubuntu Disco)
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Title:
Multiple Kexec in
We couldn't reproduce the bug and reporter cannot help in providing data, so
we're marking as invalid. If anybody ever reproduces that, please ping here and
reopen.
Thanks,
Guilherme
** Changed in: linux (Ubuntu)
Status: In Progress => Invalid
** Changed in: linux (Ubuntu Xenial)
** Changed in: seabios (Ubuntu)
Importance: Medium => Low
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Title:
maas/pxe cannot boot with nvme device (ovmf works)
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nce: Low
Assignee: Guilherme G. Piccoli (gpiccoli)
Status: Confirmed
** Also affects: makedumpfile (Ubuntu Eoan)
Importance: Undecided
Status: New
** Also affects: makedumpfile (Ubuntu Focal)
Importance: Undecided
Status: New
** Changed in: makedumpfile (Ubuntu E
** No longer affects: makedumpfile (Ubuntu Cosmic)
** No longer affects: makedumpfile (Ubuntu Disco)
** Also affects: makedumpfile (Ubuntu Focal)
Importance: Undecided
Status: New
** Also affects: makedumpfile (Ubuntu Groovy)
Importance: High
Assignee: Guilherme G. Piccoli
** Changed in: linux (Ubuntu Bionic)
Status: In Progress => Confirmed
** Changed in: linux (Ubuntu Xenial)
Status: In Progress => Confirmed
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** Changed in: makedumpfile (Ubuntu Xenial)
Status: Confirmed => Won't Fix
** No longer affects: makedumpfile (Ubuntu Cosmic)
** No longer affects: makedumpfile (Ubuntu Disco)
** Also affects: makedumpfile (Ubuntu Groovy)
Importance: Low
Assignee: Guilherme G. Piccoli (gpicc
** No longer affects: makedumpfile (Ubuntu Disco)
** Also affects: makedumpfile (Ubuntu Groovy)
Importance: Medium
Assignee: Thadeu Lima de Souza Cascardo (cascardo)
Status: Confirmed
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** Changed in: linux (Ubuntu)
Assignee: (unassigned) => Guilherme G. Piccoli (gpiccoli)
** Changed in: linux (Ubuntu Trusty)
Assignee: (unassigned) => Guilherme G. Piccoli (gpiccoli)
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untu Eoan)
Status: Confirmed => In Progress
** Changed in: makedumpfile (Ubuntu Focal)
Status: Confirmed => In Progress
** Also affects: makedumpfile (Ubuntu Groovy)
Importance: Medium
Assignee: Guilherme G. Piccoli (gpiccoli)
Status: In Progress
** Tags added: sts
-
** Tags added: sts
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Title:
Cloud images fail to boot when a serial port is not available
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** Tags added: sts
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Title:
Unable to passthrough GPUs to guest, due to PCI64 aperture limitation
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** Changed in: cryptsetup (Ubuntu)
Status: Confirmed => In Progress
** Bug watch added: Debian Bug tracker #933059
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=933059
** Also affects: cryptsetup (Debian) via
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=933059
** Changed in: linux (Ubuntu)
Status: In Progress => Fix Released
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Title:
nvme - Polling on timeout
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** Changed in: linux (Ubuntu)
Status: Confirmed => Fix Released
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Title:
qlcnic: Firmware aborts/hangs in QLogic NIC
To manage
** Changed in: linux (Ubuntu)
Status: In Progress => Fix Released
** Changed in: linux (Ubuntu Trusty)
Importance: Undecided => High
** Changed in: linux (Ubuntu Trusty)
Assignee: (unassigned) => Gavin Guo (mimi0213kimo)
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** Changed in: linux (Ubuntu)
Status: Confirmed => Fix Released
** Changed in: linux (Ubuntu)
Assignee: (unassigned) => Nivedita Singhvi (niveditasinghvi)
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** Changed in: linux (Ubuntu)
Status: Confirmed => Fix Released
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Title:
kernel panic using CIFS share in smb2_push_mandatory_locks()
To
Debian merge request for the cryptsetup patch was just submitted:
https://salsa.debian.org/cryptsetup-team/cryptsetup/-/merge_requests/18
Cheers,
Guilherme
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Hi Elvis, both kernels (for Eoan and Focal) are officially released; the
versions are 5.3.0-62 (Eoan) and 5.4.0-40 (Focal). Thanks for the report!
Cheers,
Guilherme
** Changed in: linux (Ubuntu Eoan)
Status: Fix Committed => Fix Released
** Changed in: linux (Ubuntu Focal)
Hi Sangam, I think this is bug is reported against the wrong component.
Crash is a tool used to analyze crash dumps from kernel (kdump stuff),
and it seems you are seeing crashed on..firefox? If not, what is
firefor?
If possible, give a more detailed explanation on what you are experiencing, and
That's great for me Elvis, whenever you can =)
I'm glad you could build the kernel with the fix!
Cheers,
Guilherme
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Title:
NULL deference in
Oh, good news Elvis: just checked and 5.4.0-40 is available in -proposed. Can
you give it a try?
Thanks,
Guilherme
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Title:
NULL deference in
Hi Matthew, thanks for looking into that! I was re-checking the Git tree, and
the commit _is_ present on 5.4.0-38 but..not in 5.4.0-39 heheh
And it's back on 5.4.0-40. What happened is that 5.4.0-39 was a security
release, based on 5.4.0-37! So, it's basically 5.4.0-37 + 1 security patch.
My
Thanks Elvis, no hurries. And no need to be ashamed, there's a bunch of
tags/trees, and this is not released yet (just on proposed), so we're
here to help =)
Cheers,
Guilherme
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Hi Elvis, thanks for you report! I've verified, and this fix is present
on Focal kernel tag "Ubuntu-5.4.0-38.42" - can you give a try with our
proposed kernel (currently it's version 5.4.0-39)?
See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to
enable and use -proposed.
I'm not sure if it's related, but maybe worth the mention: could this be
due to the initrd-less boot? I've noticed that in some VMs, it first
fails to boot (it tries an initrd-less boot), reboots and then loads the
initrd. This is an Ubuntu grub-thing, and you can prevent that by
deleting a file
Great news Arthur, I'm glad the issue is solved!
Thanks for the report and testing,
Guilherme
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Title:
Bionic ubuntu ethtool doesn't check ring
You're very welcome mfo, thanks for following this SRU in order to get
that released soon =)
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Title:
Kdump-Tools: Makedumpfile Failed, Falling
Also, ppc64/s390 are being tracked here:
https://bugs.launchpad.net/ubuntu/+source/makedumpfile/+bug/1851663
It's a common issue, and difficult to debug (if we run tests locally, we can't
reproduce and they succeeed).
Regarding i386, we should remove tests for i386 in Eoan and Focal.
Cheers,
Hi Arthur, good news - there are currently Bionic and Xenial AMIs with
the fix! I've tried the following AMIs, and they have the fix:
ubuntu/images/hvm-ssd/ubuntu-bionic-18.04-amd64-server-20200610 -
ami-025201fa53cf4d031
ubuntu/images/hvm-ssd/ubuntu-xenial-16.04-amd64-server-20200610 -
Hi @chenrongwen and @tonihu, thanks for the reports! Could you please
try makedumpfile version 1:1.6.7-1ubuntu2.1, available on -proposed
pocket? There's an ARM64-specific fix there that might solve your
problem.
See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how
to enable
Hi Arthur, I discussed this topic today with the responsible for AMIs on
AWS, and I was then told that new AMIs should be built for testing next
hours. After internal testing, they should get released, I don't have an
ETA.
Cheers,
Guilherme
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ssigned) => Guilherme G. Piccoli (gpiccoli)
** Changed in: edk2 (Ubuntu Eoan)
Assignee: (unassigned) => Guilherme G. Piccoli (gpiccoli)
** Changed in: edk2 (Ubuntu Groovy)
Assignee: (unassigned) => Guilherme G. Piccoli (gpiccoli)
** Changed in: edk2 (Ubuntu Focal)
Assigne
** Changed in: linux (Ubuntu)
Status: Fix Committed => Fix Released
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Title:
Kdump broken since 4.15.0-65 on secureboot - purgatory cannot
** Changed in: linux (Ubuntu)
Status: In Progress => Fix Released
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Title:
Improve TSC refinement (and calibration) reliability
To manage
** Changed in: linux (Ubuntu)
Status: In Progress => Fix Released
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Title:
Bionic ubuntu ethtool doesn't check ring parameters boundaries
Hi Scott, thanks for you comment. While I agree with you that simply
returning 0 in one function won't solve *all* problems, it'll solve this
one, in a cheap and fast way.
I tend to think initramfs-tool is a quite important package, it's part
of the boot process. And yet, we have plenty of 5yr+
We had reports of good results from an user using my PPA. Anybody else was able
to test it?
Cheers,
Guilherme
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Title:
Cloud images fail to
** Description changed:
- Description will be saved for further SRU template, the details of the
- issue will be exposed in comments
+ [Impact]
+ * Considering a setup of a encrypted rootfs on top of md RAID1 device, Ubuntu
is currently unable to decrypt the rootfs if the array gets degraded,
Verified by code inspection on Bionic (4.15.0-102) and Xenial
(4.4.0-180). I don't have a system with Skylake available; there's an
user that experienced this and I'm waiting on his test, as soon as he
responds, I'll comment here. But marking as verifying anyway based on
the code lookup, we need
I've reported a Debian bug with the proposed fixes; the merge report has
the information about the approach used to deal with sysctl in kdump:
https://salsa.debian.org/debian/makedumpfile/-/merge_requests/2
Cheers,
Guilherme
** Bug watch added: Debian Bug tracker #961880
Thank you Paul for the pointer. I've just sent a ping in that thread..let's see
how it goes.
Cheers,
Guilherme
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Title:
tsc: Fast TSC
I was able to verify it on AWS using the test procedure on description, in the
following linux-aws proposed kernels:
4.4.0-1108-aws (Xenial / 16.04)
4.15.0-1068-aws (Bionic / 18.04)
Also, I've done a code inspection in generic proposed kernels (4.4.0-180/Xenial
and 4.15.0-102/Bionic) and the
Great news yamato, thanks for testing. I'll mark it as verified.
Thanks once more for the great bug report and all the help provided on testing!
Cheers,
Guilherme
** Tags removed: verification-needed-bionic
** Tags added: verification-done-bionic
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I have a report of a Bionic user that tested the packages on my PPA with
success.
I changed a small bit though, from the first proposal (just for consistency):
moved the cryptsetup clean-up script to local-bottom instead of init-bottom.
Thanks,
Guilherme
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*** This bug is a duplicate of bug 1573095 ***
https://bugs.launchpad.net/bugs/1573095
Although this is closed as dup, I thought would be good to clarify why
Debian Buster doesn't reproduce (at first). What happens is that Debian
includes the fsck on initrd by default, and in Ubuntu that
Thanks a lot yamato, let us know how it goes =)
Cheers,
Guilherme
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Title:
Kdump broken since 4.15.0-65 on secureboot - purgatory cannot load
Hi yamato, did you have an opportunity to test the new package, to check
if that fixes the problem for you?
Thanks in advance,
Guilherme
** Changed in: linux (Ubuntu)
Status: In Progress => Fix Committed
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List of somewhat duplicate bugs:
https://bugs.launchpad.net/ubuntu/+source/mdadm/+bug/120375
(after comment #74)
https://bugs.launchpad.net/ubuntu/+source/cryptsetup/+bug/251164
(propose some alternative solutions we can think about, like failure hooks)
** Patch added: "initramfs-tools patch"
https://bugs.launchpad.net/ubuntu/+source/initramfs-tools/+bug/1879980/+attachment/5375735/+files/0001-scripts-local-Allow-local-block-looping-as-Debian.patch
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** Patch added: "mdadm patch"
https://bugs.launchpad.net/ubuntu/+source/initramfs-tools/+bug/1879980/+attachment/5375736/+files/0001-script.local-block-Improve-last-resort-mechanism.patch
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Not a debdiff - I found easier to just add the patches as in my local
git repository of the packages.
** Patch added: "cryptroot patch"
The issue basically is about a failure in mounting root if we have a
stacked setup of LUKS on top of RAID1, when RAID1 is degraded (like a
member missing). What happens in detail is a conjuncture of factors
leading to this problem:
(a) The initramfs script for cryptroot currently is present in
*** This bug is a duplicate of bug 1573095 ***
https://bugs.launchpad.net/bugs/1573095
Sorry, dup of LP #1573095.
** This bug has been marked a duplicate of bug 1573095
Cloud images fail to boot when a serial port is not available
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*** This bug is a duplicate of bug 1573095 ***
https://bugs.launchpad.net/bugs/1573095
Eric, I'll close this LP as dup of #1879987 - seems it's the same issue.
I'll try also the Debian release top see what's different there...we can
comment in the other bug about Debian status and what are
Sorry for the bad formatting of last comment, I should had the line breaks
fixed before submitting.
I'd like to point another duplicate one which was reported by a colleague: LP
#1879987.
I'll close that one to keep the effort in this single LP.
Cheers,
Guilherme
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First, I'd like to thank Scott (for comment #43) and Alejandro (comment #45) -
it seems
there's a bunch of LP bugs orbiting around the same issue: Ubuntu isn't bootable
if we set an invalid serial console on kernel command-line (and have no "quiet"
option there), it seems.
Specially, I'd like to
This was greatly debugged by LP user WGH in https://bugs.launchpad.net
/cloud-images/+bug/1573095/comments/46 - it's really a flaw on
initramfs, I managed to workaround the issue with "quiet" parameter
(system boots normally ,even with the wrong serial console).
Investigation continues... I guess
** Attachment added: "console_issue.txt"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1879987/+attachment/5375272/+files/console_issue.txt
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I've managed to reproduce in 4.4, 4.15, 5.4 (all from Ubuntu releases)
and 5.7-rc4-next; also, I think bare-metal usually doesn't reproduce.
Seems like a live-lock situation, I'll attach some calltraces I gathered using
sysrqs.
Cheers,
Guilherme
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** Changed in: linux (Ubuntu)
Assignee: (unassigned) => Guilherme G. Piccoli (gpiccoli)
** Changed in: linux (Ubuntu)
Importance: Undecided => Medium
** Changed in: linux (Ubuntu)
Status: New => Confirmed
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Public bug reported:
Description will be saved for further SRU template, the details of the
issue will be exposed in comments
** Affects: cryptsetup (Ubuntu)
Importance: Medium
Assignee: Guilherme G. Piccoli (gpiccoli)
Status: Confirmed
** Affects: initramfs-tools (Ubuntu
Hi yamato, the kernel with the fix was released to -proposed pocket.
Could you give it a try? The instructions to install a proposed kernel
are available at https://wiki.ubuntu.com/Testing/EnableProposed.
The version in -proposed containing the fix for this issue is 4.15.0-102 .
Thanks in
SRU just submitted to kernel team mailing-list:
https://lists.ubuntu.com/archives/kernel-team/2020-May/109698.html
Cheers,
Guilherme
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Title:
c)
Status: New => In Progress
** Changed in: linux (Ubuntu Bionic)
Importance: Undecided => High
** Changed in: linux (Ubuntu Bionic)
Assignee: (unassigned) => Guilherme G. Piccoli (gpiccoli)
** Changed in: linux (Ubuntu Xenial)
Assignee: (unassigned) => Guilherme
Public bug reported:
To be elaborated soon.
** Affects: linux (Ubuntu)
Importance: High
Assignee: Guilherme G. Piccoli (gpiccoli)
Status: In Progress
** Tags: sts
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** Changed in: linux (Ubuntu)
Status: Confirmed => Fix Released
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Title:
Hard lockups due to unrestricted lapic timer delay
To manage
SRU submitted to kernel mailing-list: https://lists.ubuntu.com/archives
/kernel-team/2020-May/109697.html
Cheers,
Guilherme
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Title:
Bionic
** Description changed:
- Upstream linux kernel implemented ring parameter boundaries check in commit:
- 37e2d99b59c4 ("ethtool: Ensure new ring parameters are within bounds during
SRINGPARAM")
+ [Impact]
+ * There's a bad behavior in the ena driver ringparam setting on kernels 4.4
and 4.15, if
ed in: linux (Ubuntu Bionic)
Importance: Undecided => High
** Changed in: linux (Ubuntu)
Assignee: (unassigned) => Guilherme G. Piccoli (gpiccoli)
** Changed in: linux (Ubuntu Xenial)
Assignee: (unassigned) => Guilherme G. Piccoli (gpiccoli)
** Changed in: linux (Ubuntu
Thank you legioner, let's see how Debian maintainers respond to that. Keep us
posted :)
Cheers,
Guilherme
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https://bugs.launchpad.net/bugs/1852747
Title:
mdcheck_start.service
Hi Alexey, thanks for your report! And thanks legioner for your comment and
patch. I think this is indeed a bug, we have systemd services for mdcheck but
the script itself is not in the package.
For Bionic, neither the script or systemd services are present.
Debian came-up with the "checkarray"
** Changed in: linux (Ubuntu Focal)
Status: New => Confirmed
** Changed in: linux (Ubuntu Focal)
Importance: Undecided => Medium
** Changed in: linux (Ubuntu Focal)
Assignee: (unassigned) => Guilherme G. Piccoli (gpiccoli)
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** Also affects: linux (Ubuntu Focal)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1749961
Title:
xhci_hcd: TRB DMA errors reported with ASMedia ASM1142
Awesome Bryan, thanks for your kind words!!
I'll nominate this bug for Focal then.
Cheers,
Guilherme
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Title:
xhci_hcd: TRB DMA errors reported
Hi John and all, thanks for updating logs and enhancing the report! Due
to a lot of other work, and the nature of this problem (being a FW issue
that we'd try to alleviate using a hack in linux), I wasn't able to work
the tentative hack approach yet.
The issue was "resolved" through a FW update
Hi yamato, the kernel release schedule is available at:
kernel.ubuntu.com
You can see the next cycle as the last of the 3 "columns", so the kernel
with this patch should get released to -proposed pocket around May 25th
and to the -updates pocket around Jun 8th, subject to delays due to
security
Thank you yamato, for confirming! So, the patch was sent to kernel team
mailing-list, and will be present in next cycle of kernel release -
unfortunately we've lost the current cycle.
Cheers,
Guilherme
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** Changed in: linux (Ubuntu Focal)
Status: Fix Committed => Fix Released
** Changed in: linux (Ubuntu Disco)
Importance: Medium => Low
** Changed in: linux (Ubuntu Disco)
Status: Opinion => Won't Fix
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** Changed in: linux (Ubuntu Eoan)
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1857922
Title:
hpet lost interrupts on kdump
To manage notifications
SRU submitted this morning [0], unfortunately we're not going to make
this cycle, the fix will need to wait for the next cycle.
Cheers,
Guilherme
[0] https://lists.ubuntu.com/archives/kernel-team/2020-April/109324.html
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** No longer affects: makedumpfile (Ubuntu Bionic)
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Title:
Kdump broken since 4.15.0-65 on secureboot - purgatory cannot load
To manage
** Description changed:
- Thank you for reading this report.
- This may caused by bugs in kernel, not in kdump. If so, I will report this to
kernel team.
- I need your comment to solve this.
+ [Impact]
+ * Kdump kernel can't be loaded using Linux kernel 4.15.0-65 and newer on
Bionic; kexec
** Patch added:
"0001-UBUNTU-SAUCE-x86-purgatory-Fix-Makefile-to-prevent-u.patch"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1869672/+attachment/5359499/+files/0001-UBUNTU-SAUCE-x86-purgatory-Fix-Makefile-to-prevent-u.patch
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** Tags added: seg
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Title:
Kdump broken since 4.15.0-65 on secureboot - purgatory cannot load
To manage notifications about this bug go to:
nux (Ubuntu)
Importance: Undecided => High
** Changed in: linux (Ubuntu Bionic)
Importance: Undecided => High
** Changed in: linux (Ubuntu)
Assignee: (unassigned) => Guilherme G. Piccoli (gpiccoli)
** Changed in: linux (Ubuntu Bionic)
Assignee: (unassigned) => Guilherme G
Hi yamato, I'm sorry but I found yet another issue that I need to take
care in my fix, hopefully by tomorrow I'll have a new test kernel.
Also, I've noticed that in order to test PPA kernels on secure boot
systems, you'll need to enroll the PPA sign key on shim, to make the
kernel bootable - I'll
Hi yamato, thank you for the great report! I think I found the problem -
can you test my fix proposal? It's just a matter of adding the following
PPA to your system and installing the kernel:
launchpad.net/~gpiccoli/+archive/ubuntu/test1869672
You can run the following commands in order to
Status: Confirmed => In Progress
** Changed in: makedumpfile (Ubuntu)
Status: Confirmed => In Progress
** Changed in: makedumpfile (Ubuntu Bionic)
Importance: Undecided => High
** Changed in: makedumpfile (Ubuntu Bionic)
Assignee: (unassigned) => Guilherme G. Piccoli (
This is the VNC screenshot of a failing boot with seabios 1.10 - it
eventually booted the commission kernel via iPXE. If using 1.13, the
screen is quite similar, but it gets stuck on "Booting from SAN device
0x81".
** Attachment added: "seabios_1.10_maas_ipxe_failure.png"
After building Focal OVMF with (verbose) debug enabled, got this log.
** Attachment added: "ovmf-boot-dbg.gz"
https://bugs.launchpad.net/ubuntu/+source/seabios/+bug/1873662/+attachment/5356742/+files/ovmf-boot-dbg.gz
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This could well be a MAAS bug (or even iPXE), as I'm not really sure in
which component the flaw is. But given that MAAS+OVMF works, and I've
confirmed both seabios and OVMF are using the same ipxe ROM, I believe
this is a seabios issue.
MAAS PXE message sent to deployed guests is like below:
$
** Attachment added: "seabios-1.13-blank-failure.log"
https://bugs.launchpad.net/ubuntu/+source/seabios/+bug/1873662/+attachment/5356741/+files/seabios-1.13-blank-failure.log
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** Attachment added: "seabios-1.10-failure.log"
https://bugs.launchpad.net/ubuntu/+source/seabios/+bug/1873662/+attachment/5356740/+files/seabios-1.10-failure.log
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).
Next steps would be to test PCI-PT NVMe boot and upstream
qemu+seabios+ipxe on Focal, to determine if the issue is present
upstream.
** Affects: seabios (Ubuntu)
Importance: Medium
Assignee: Guilherme G. Piccoli (gpiccoli)
Status: Confirmed
** Tags: seg
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Hi yamato, I have good news! Managed to reproduce this in a secure boot
guest (after fighting with the keys hehe). There is an hypothesis of
what's going on: one patch that was merged in -65 changed the way flags
are set on purgatory, a piece of code used on kexec process. If we use
kexec in a
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