** Changed in: linux-gcp (Ubuntu Focal)
Status: New => Won't Fix
** Changed in: linux-gcp (Ubuntu Lunar)
Status: New => Won't Fix
** Changed in: linux-gcp (Ubuntu Jammy)
Status: New => In Progress
** Changed in: linux-gcp (Ubuntu Mantic)
Status: New => In Progress
**
** Changed in: linux-gcp (Ubuntu Jammy)
Assignee: (unassigned) => John Cabaj (john-cabaj)
** Changed in: linux-gcp (Ubuntu Mantic)
Assignee: (unassigned) => John Cabaj (john-cabaj)
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** No longer affects: linux-gcp (Ubuntu Focal)
** No longer affects: linux-gcp (Ubuntu Lunar)
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https://bugs.launchpad.net/bugs/2039720
Title:
Intel IDPF support
Statu
** Description changed:
[Impact]
* Request from Google to include new Intel IDPF driver support
[Fix]
- * Cherry pick commits from net-next,
- b6a7eeb44a6a8b1ea2dea78b5de448d86eb0bd96
+ * Mantic - 24 clean cherry-picks, 1 backport from upstream
+ * Jammy - 11 clean cherry-picks, 7 b
** Changed in: linux-gcp (Ubuntu Jammy)
Status: New => In Progress
** Changed in: linux-gcp (Ubuntu Mantic)
Status: New => In Progress
** Changed in: linux-gcp (Ubuntu Jammy)
Assignee: (unassigned) => John Cabaj (john-cabaj)
** Changed in: linux-gcp (Ubun
Public bug reported:
[Impact]
* Request from Google to include Intel patches for IDPF support if used from
out-of-tree module to
prevent system instability
[Fix]
* Upstream
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?h=v6.7&id=a18615b1cfc04f00548c60eb9a77e0ce56
** Changed in: linux-gcp (Ubuntu Jammy)
Status: In Progress => Fix Committed
** Changed in: linux-gcp (Ubuntu Mantic)
Status: In Progress => Fix Committed
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** Changed in: linux-gcp (Ubuntu Jammy)
Status: In Progress => Fix Committed
** Changed in: linux-gcp (Ubuntu Mantic)
Status: In Progress => Fix Committed
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** Changed in: linux-oracle (Ubuntu Jammy)
Status: In Progress => Fix Released
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https://bugs.launchpad.net/bugs/2046184
Title:
[arm64] Increase max CPU count
Verified by Google as part of SF#00366697.
** Tags removed: verification-needed-jammy-linux-gcp
verification-needed-mantic-linux-gcp
** Tags added: verification-done-jammy-linux-gcp
verification-done-mantic-linux-gcp
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Verified by Google as part of SF#00368902 as well as internally on GCE
instance.
** Tags removed: verification-needed-jammy-linux-gcp
verification-needed-mantic-linux-gcp
** Tags added: verification-done-jammy-linux-gcp
verification-done-mantic-linux-gcp
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Public bug reported:
[Impact]
* Google requested fix to notify_page_enc_status_changed() passing
incorrect argument.
[Fix]
* Include change from upstream 064ce6c550a06
[Test Case]
* Compile tested
* Boot tested
* Tested by Google
[Where things could go wrong]
* Low chance of regression. Iso
** Description changed:
[Impact]
* Google requested fix to notify_page_enc_status_changed() passing
incorrect argument.
[Fix]
- * Include change from upstream 064ce6c550a06
+ * 27ba8c7 modified notify_page_enc_status_changed(), when it should not
+ have
[Test Case]
* Com
** Changed in: linux-gcp (Ubuntu Jammy)
Assignee: (unassigned) => John Cabaj (john-cabaj)
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Title:
Incorrect argument
-oracle (Ubuntu)
Importance: Undecided
Assignee: John Cabaj (john-cabaj)
Status: In Progress
** Affects: linux-oracle (Ubuntu Mantic)
Importance: Undecided
Assignee: John Cabaj (john-cabaj)
Status: In Progress
** Affects: linux-oracle (Ubuntu Noble
** Changed in: linux-gcp (Ubuntu Jammy)
Status: New => In Progress
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Title:
Incorrect argument to notify_page_enc_status_
** Changed in: linux-gcp (Ubuntu Jammy)
Status: In Progress => Fix Committed
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Title:
Incorrect argument to notify_page_e
Public bug reported:
[Impact]
* Google requested TDX guest features.
[Fix]
* Add flavour and configs for 64k flavour
[Test Case]
* Compile tested
* Boot tested
* Tested by Google
[Where things could go wrong]
* Low chance of regression. Isolated logic fix.
[Other Info]
* SF #00363309
**
extensively tested in other kernels already
released.
[Other Info]
* SF #00363309
** Changed in: linux-gcp (Ubuntu Mantic)
Status: New => In Progress
** Changed in: linux-gcp (Ubuntu Mantic)
Assignee: (unassigned) => John Cabaj (john-cabaj)
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** Changed in: linux-azure (Ubuntu Focal)
Status: In Progress => Invalid
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https://bugs.launchpad.net/bugs/1996093
Title:
[RELEASE BLOCKER] Call trace duri
Additional required patch was identified
(https://github.com/dynup/kpatch/commit/324a43714b1227b5688e22966a5ee4414c8861d1)
due to ftrace graph livepatch transition issue
(https://github.com/SUSE/qa_test_klp/issues/17).
Patch submitted and tested - pending mailing list review.
** Bug watch added:
Public bug reported:
[Impact]
* Additional patch required to support Livepatch for s390x
* Fixes Livepatch transition issues when using ftrace graph tracing
[Test Case]
* Compile test
* Boot test
* Test a Livepatch (patch to /proc/meminfo module)
* Test Livepatch from ftrace graphed function (via
)
Importance: Undecided
Assignee: John Cabaj (john-cabaj)
Status: In Progress
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https://bugs.launchpad.net/bugs/2015097
Title:
Kernel crash during Mellanox
> John Cabaj (john-cabaj)
** Description changed:
[Impact]
* When performance testing using Mellanox driver, an early decrement
within an if condition rather than as a result of an if condition is
causing null pointer crashes.
[Fix]
* Clean cherry-pick from upstream
** Changed in: linux (Ubuntu Jammy)
Assignee: (unassigned) => John Cabaj (john-cabaj)
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https://bugs.launchpad.net/bugs/2013603
Title:
Kernel livepatch ftrace gr
Public bug reported:
[Impact]
* Kernel fails to boot on SEV-SNP instances when compiled with GCC
12.3.0
[Fix]
*
https://lore.kernel.org/lkml/20230912002703.3924521-1-acdun...@google.com/
[Test Case]
* Compile tested
* Boot tested
* Tested by Google
[Where things could go wrong]
* Patches re
Patches submitted to mantic:linux-gcp and lunar:linux-gcp for 2023.10.02
SRU cycle. jammy:linux-gcp-6.2 will get changes from lunar:linux-gcp
during aforementioned SRU cycle.
** Changed in: linux-gcp (Ubuntu Jammy)
Status: New => Fix Committed
** Changed in: linux-gcp (Ubuntu Lunar)
Fix was tested by Google, and the relevant patch is in all releases of
linux-gcp and linux-gke affected.
** Changed in: linux-gcp (Ubuntu Focal)
Status: Fix Committed => Fix Released
** Changed in: linux-gcp (Ubuntu Jammy)
Status: Fix Committed => Fix Released
** Changed in: linux-
Fix was tested by Google, and the relevant patch is in all releases of
linux-gcp affected.
** Changed in: linux-gcp (Ubuntu Jammy)
Status: Fix Committed => Fix Released
** Changed in: linux-gcp (Ubuntu Focal)
Status: Fix Committed => Fix Released
** Changed in: linux-gcp (Ubuntu Lu
** Also affects: linux-gkeop (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/2035163
Title:
Avoid address overwrite in kernel_conn
Public bug reported:
[Impact]
* Kernel OOPS encountered on 32-bit kernels due to commit cd0e9ab from
git://git.launchpad.net/~canonical-kernel/ubuntu/+source/linux-gcp/+git/lunar
[Fix]
* Clean cherry pick from linux-next, commit 3e3255265291
[Test Case]
* Compile tested
* Boot tested
* To b
** Changed in: linux-gcp (Ubuntu Jammy)
Status: New => Triaged
** Changed in: linux-gcp (Ubuntu Lunar)
Status: New => Triaged
** Changed in: linux-gcp (Ubuntu Mantic)
Status: New => Triaged
** Changed in: linux-aws (Ubuntu Lunar)
Status: New => Triaged
** Changed in:
Removing Jammy from nominations as jammy:linux-gcp-6.2 and jammy:linux-
aws-6.2 will be getting the patch via lunar:linux-gcp and lunar:linux-
aws respectively.
** No longer affects: linux-gcp (Ubuntu Jammy)
** No longer affects: linux-aws (Ubuntu Jammy)
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** Changed in: linux-gcp-5.15 (Ubuntu Focal)
Status: New => Fix Committed
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https://bugs.launchpad.net/bugs/2037087
Title:
TCPDirect patches
Status in linux
Public bug reported:
[Impact]
* Request from Google to include new Intel IDPF driver support
[Fix]
* Cherry pick commits from net-next,
b6a7eeb44a6a8b1ea2dea78b5de448d86eb0bd96
[Test Case]
* Compile tested
* Boot tested
* To be tested by Google
[Where things could go wrong]
* Low chance of
Public bug reported:
[Impact]
* Google reports not being able to display graphic desktop environment.
[Fix]
* CONFIG_SYSFB_SIMPLEFB was initially enabled in
https://git.launchpad.net/~ubuntu-
kernel/ubuntu/+source/linux/+git/jammy/commit/?h=master-
next&id=0bf2a2472f71a3001a8a9a0849b6bed7e7069a
** Also affects: linux-gcp (Ubuntu Jammy)
Importance: Undecided
Status: New
** Also affects: linux-gcp (Ubuntu Mantic)
Importance: Undecided
Status: New
** Also affects: linux-gcp (Ubuntu Lunar)
Importance: Undecided
Status: New
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** Description changed:
[Impact]
* Request from Google to include new Intel IDPF driver support
[Fix]
* Cherry pick commits from net-next,
b6a7eeb44a6a8b1ea2dea78b5de448d86eb0bd96
[Test Case]
* Compile tested
* Boot tested
* To be tested by Google
[Where thing
** Description changed:
[Impact]
* Google reports not being able to display graphic desktop environment.
[Fix]
* CONFIG_SYSFB_SIMPLEFB was initially enabled in
https://git.launchpad.net/~ubuntu-
kernel/ubuntu/+source/linux/+git/jammy/commit/?h=master-
next&id=0bf2a2472f71a30
Tested the kernel from lunar proposed (6.2.0-1018-gcp) on GCP n2d
instances. The image boots with sev enabled:
john_cabaj@john-cabaj-sev-snp2:~$ sudo dmesg | grep -i sev
[0.303257] Memory Encryption Features active: AMD SEV
** Tags removed: verification-needed-lunar-linux-gcp
** Tags added
d => High
** Changed in: linux-gcp (Ubuntu Lunar)
Importance: Undecided => High
** Changed in: linux-gcp (Ubuntu Mantic)
Importance: Undecided => High
** Changed in: linux-gcp (Ubuntu Jammy)
Assignee: (unassigned) => John Cabaj (john-cabaj)
** Changed in: linux-gcp (Ubuntu
** Changed in: linux-gcp (Ubuntu Mantic)
Status: Triaged => Fix Committed
** Changed in: linux-gcp (Ubuntu Lunar)
Status: Triaged => Fix Committed
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https://
Public bug reported:
[Impact]
* Microsoft requested 64k page size flavour.
[Fix]
* Add flavour and configs for 64k flavour
[Test Case]
* Compile tested
* Boot tested
[Where things could go wrong]
* Low chance of regression. Isolated logic fix.
[Other Info]
* SF #00388238
** Affects: linu
** Description changed:
[Impact]
* Microsoft requested 64k page size flavour.
[Fix]
* Add flavour and configs for 64k flavour
[Test Case]
* Compile tested
* Boot tested
[Where things could go wrong]
- * Low chance of regression. Isolated logic fix.
+ * Low chan
** Also affects: linux-azure (Ubuntu Oracular)
Importance: Undecided
Status: Triaged
** Also affects: linux-signed-azure (Ubuntu Oracular)
Importance: Undecided
Status: Invalid
** Also affects: linux-signed-azure-6.8 (Ubuntu Oracular)
Importance: Undecided
Status: In
** Changed in: linux-azure (Ubuntu Jammy)
Status: New => Fix Committed
** Changed in: linux-azure (Ubuntu Noble)
Status: New => Fix Committed
** Changed in: linux-azure (Ubuntu Oracular)
Status: New => Fix Committed
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Fix verified by Microsoft and included in this release.
** Tags removed: verification-needed-jammy-linux-azure
verification-needed-noble-linux-azure
** Tags added: verification-done-jammy-linux-azure
verification-done-noble-linux-azure
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Updating LP bug to SRU justification format.
** Description changed:
- 2.2.2-0ubuntu9 has the 6.7 compat series, including
https://github.com/openzfs/zfs/commit/db4fc559cc1931b9219e62aa505cd5c51a17b232,
but does not include the fix for that commit (affects both pre-6.7 and
post-6.7),
+ [Impact
Public bug reported:
SRU Justification
[Impact]
* LP #2069204 disabled CET Shadow Stack on SEV-SNP due to CPUID emulation bug
not being fixed in VMs until October 2024.
* This issue is now fixed, so the patch can be reverted.
[Fix]
* Revert "UBUNTU: SAUCE: x86/hyperv: temporarily disable CET
** Description changed:
+ SRU Justification
+
[Impact]
* 2.2.2-0ubuntu9 has the 6.7 compat series, including
https://github.com/openzfs/zfs/commit/db4fc559cc1931b9219e62aa505cd5c51a17b232,
but does not include the fix for that commit (affects both pre-6.7 and
post-6.7),
https://githu
** Description changed:
SRU Justification
[Impact]
* LP #2069204 disabled CET Shadow Stack on SEV-SNP due to CPUID emulation bug
not being fixed in VMs until October 2024.
* This issue is now fixed, so the patch can be reverted.
[Fix]
* Revert "UBUNTU: SAUCE: x86/hyperv: t
** Tags removed: verification-needed-jammy-linux-azure-6.8
** Tags added: verification-done-jammy-linux-azure-6.8
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Title:
kern
I've tested an initial version with the upstream patch and attached the
debdiff here. Will work to get this uploaded.
** Patch added: "zfs-linux_2.2.2-0ubuntu9.debdiff"
https://bugs.launchpad.net/ubuntu/+source/zfs-linux/+bug/2058179/+attachment/5767995/+files/zfs-linux_2.2.2-0ubuntu9.debdiff
** Changed in: zfs-linux (Ubuntu Noble)
Status: Confirmed => In Progress
** Changed in: zfs-linux (Ubuntu Noble)
Assignee: (unassigned) => John Cabaj (john-cabaj)
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** Changed in: linux-gcp (Ubuntu Mantic)
Status: In Progress => Fix Committed
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https://bugs.launchpad.net/bugs/2052576
Title:
GCP TDX Support
Status in linux-gc
** Changed in: linux-oracle (Ubuntu Mantic)
Status: In Progress => Fix Committed
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https://bugs.launchpad.net/bugs/2052469
Title:
Provide an arm64 linux-oracle
Public bug reported:
19:48:21 DEBUG| [stdout] # selftests: net: pmtu.sh
19:48:21 DEBUG| [stdout] # TEST: ipv4: PMTU exceptions
[ OK ]
19:48:21 DEBUG| [stdout] # TEST: ipv4: PMTU exceptions - nexthop objects
[ OK ]
19:48:22 DEBUG| [std
Google tested packages from build PPA.
** Tags removed: verification-needed-mantic-linux-gcp
** Tags added: verification-done-mantic-linux-gcp
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All 64k packages being correctly produced from arm64.
** Tags removed: verification-needed-mantic-linux-oracle
** Tags added: verification-done-mantic-linux-oracle
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ht
** Also affects: linux (Ubuntu Noble)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/2056616
Title:
left-over ceph debugging printks
Status i
** Changed in: linux (Ubuntu Noble)
Status: New => In Progress
** Changed in: linux (Ubuntu Noble)
Assignee: (unassigned) => John Cabaj (john-cabaj)
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** Description changed:
[Impact]
- * Google requested patches for AmpereOne machine t ype
+ * Google requested patches for AmpereOne machine type
[Fix]
* Changes already in Mantic, will be in Jammy 6.5 kernel, targeting Jammy
5.15 and Focal 5.4 for now
* Cherry-picks from upstrea
mitted
** Changed in: linux (Ubuntu Jammy)
Status: New => In Progress
** Changed in: linux (Ubuntu Jammy)
Assignee: (unassigned) => John Cabaj (john-cabaj)
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** Description changed:
[Impact]
* Google requested patches for AmpereOne machine type
[Fix]
- * Changes already in Mantic, will be in Jammy 6.5 kernel, targeting Jammy
5.15 and Focal 5.4 for now
+ * Changes already in Mantic, will be in Jammy 6.5 kernel, targeting Jammy
5.15 GCP
Public bug reported:
[Impact]
* Request to accommodate new shape with 320 CPUs, greater than current
max value of 256.
[Fix]
* Update CONFIG_NR_CPUS from 256 to 512 for arm64 arch.
[Test Case]
* Compile tested
* Boot tested
[Where things could go wrong]
* Low chance of regression. Simple co
Lunar will be EOL and Jammy now has the 6.5 kernel, so not including
Lunar.
** Also affects: linux-oracle (Ubuntu Jammy)
Importance: Undecided
Status: New
** Changed in: linux-oracle (Ubuntu Jammy)
Status: New => In Progress
** Changed in: linux-oracle (Ubuntu Noble)
Stat
** Tags removed: verification-needed-jammy-linux-azure
verification-needed-noble-linux-azure
** Tags added: verification-done-jammy-linux-azure
verification-done-noble-linux-azure
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** Tags removed: verification-needed-noble-linux-azure
** Tags added: verification-done-noble-linux-azure
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https://bugs.launchpad.net/bugs/2069362
Title:
Request to e
** Changed in: linux-azure (Ubuntu Noble)
Status: Confirmed => Fix Committed
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https://bugs.launchpad.net/bugs/2071445
Title:
Ubuntu 24.04 for Azure unab
** Changed in: linux (Ubuntu Jammy)
Status: New => Fix Committed
** Changed in: linux (Ubuntu Focal)
Status: New => Fix Committed
** Changed in: linux (Ubuntu Noble)
Status: New => Fix Committed
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** Changed in: linux-azure (Ubuntu Focal)
Status: In Progress => Fix Committed
** Changed in: linux-azure (Ubuntu Jammy)
Status: In Progress => Fix Committed
** Changed in: linux-azure (Ubuntu Noble)
Status: In Progress => Fix Committed
** Changed in: linux (Ubuntu Focal)
Public bug reported:
[Impact]
* Microsoft has requested a patch to address a kernel panic issue
[Fix]
* Clean cherry-pick upstream commit 5830aa863981: "netfilter: iptables:
Fix null-ptr-deref in iptable_nat_table_init("
[Test Plan]
* Build and boot tested
[Where problems could occur]
* Low
** Tags removed: verification-needed-focal-linux-azure
** Tags added: verification-done-focal-linux-azure
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https://bugs.launchpad.net/bugs/2073414
Title:
Include Azure Site
** Description changed:
[Impact]
* Microsoft has requested a patch to address a kernel panic issue
+ similar to the upstream issue here -
+
https://patchwork.kernel.org/project/netdevbpf/patch/20240731213046.6194-2-pa...@netfilter.org/
[Fix]
* Clean cherry-pick upstream commit 58
** Changed in: linux-azure (Ubuntu Jammy)
Status: New => Fix Committed
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Title:
kernel panic was caused by a fatal excep
** Also affects: linux-azure (Ubuntu Noble)
Importance: Undecided
Status: New
** Also affects: linux-azure (Ubuntu Oracular)
Importance: Undecided
Status: New
** Changed in: linux-azure (Ubuntu Noble)
Status: New => Fix Committed
** Changed in: linux-azure (Ubuntu Orac
Adding Jammy package to affected so UBSAN can be re-enabled once kpatch
is patched.
** Also affects: linux (Ubuntu)
Importance: Undecided
Status: New
** No longer affects: linux (Ubuntu Kinetic)
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** Changed in: linux-gcp (Ubuntu Jammy)
Status: In Progress => Fix Committed
** Changed in: linux-gcp (Ubuntu Lunar)
Status: In Progress => Fix Committed
** Changed in: linux-gcp (Ubuntu Mantic)
Status: In Progress => Fix Committed
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This is still seen on generic jammy:hwe-6.2.
Log attached was from machine still up, just with display off.
** Attachment added: "sleep.log"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2028740/+attachment/5713061/+files/sleep.log
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(Ubuntu Focal)
Importance: High
Assignee: John Cabaj (john-cabaj)
Status: In Progress
** Affects: linux-gcp (Ubuntu Jammy)
Importance: High
Assignee: John Cabaj (john-cabaj)
Status: In Progress
** Also affects: linux-gcp (Ubuntu Focal)
Importance: Undecided
** Description changed:
[Impact]
* Google requested fix to notify_range_enc_status_changed() passing
incorrect argument.
[Fix]
- * Upstream ac3f9c9f1b37 introduced change to
- notify_range_enc_status_changed() to accept page size instead of number
- of pages, but function was not
Public bug reported:
[Impact]
* Google requested inclusion of gVNIC DQO-QPL feature.
[Fix]
* All cherry-picks from upstream
[Test Case]
* Compile tested
* Boot tested
* Tested by Google
[Where things could go wrong]
* Low chance of regression. Almost all changes isolated to Google Ethernet
Verified to boot successfully. 32-bit machines otherwise not used on
GCP, anyway.
** Tags removed: verification-needed-mantic-linux-gcp
** Tags added: verification-done-mantic-linux-gcp
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** Changed in: linux-gcp (Ubuntu Focal)
Status: In Progress => Fix Committed
** Changed in: linux-gcp (Ubuntu Jammy)
Status: In Progress => Fix Committed
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h
I'm currently bisecting the releases and kernels, using releases between
5.4 and 5.15 on an LXD VM. Releases 5.4 through 5.13 exhibit similar
speeds, with 5.15 showing a drop-off. The numbers aren't quite the same
as above, but that's likely due to setup:
5.4: 744MiB/s average
5.11: 785MiB/s avera
Verified all configuration changes are in latest release.
** Tags removed: verification-needed-jammy-linux-gcp
verification-needed-lunar-linux-gcp verification-needed-mantic-linux-gcp
** Tags added: verification-done-jammy-linux-gcp
verification-done-lunar-linux-gcp verification-done-mantic-linu
Verified requisite change is in focal and jammy releases. Full suite of
boot test and regression tests will suffice for verification.
** Tags removed: verification-needed-focal-linux-gcp
verification-needed-jammy-linux-gcp
** Tags added: verification-done-focal-linux-gcp
verification-done-jammy-
Verified to boot successfully. 32-bit machines otherwise not used on
GCP, anyway.
** Tags removed: verification-needed-lunar-linux-gcp
** Tags added: verification-done-lunar-linux-gcp
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Public bug reported:
[Impact]
* Google requested patches for AmpereOne machine t ype
[Fix]
* Changes already in Mantic, will be in Jammy 6.5 kernel, targeting Jammy 5.15
and Focal 5.4 for now
* Cherry-picks from upstream
0e5d5ae837c8 ("arm64: Add AMPERE1 to the Spectre-BHB affected list")
db2
Tested with 5.15.0-72.79:
[ Test Case ]
* Boot testing passed
* IBM tested functionality indirectly through derivative IBM kernel that got
same patch
** Tags removed: verification-needed-jammy
** Tags added: verification-done-jammy
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** Changed in: linux-gcp (Ubuntu Focal)
Status: New => Fix Committed
** Changed in: linux-gcp (Ubuntu Jammy)
Status: New => Fix Committed
** Changed in: linux-gcp (Ubuntu Lunar)
Status: New => Fix Committed
** Changed in: linux-gke (Ubuntu Jammy)
Status: New => Fix Co
** Changed in: linux-gcp (Ubuntu Focal)
Status: In Progress => Fix Committed
** Changed in: linux-gcp (Ubuntu Jammy)
Status: In Progress => Fix Committed
** Changed in: linux-gcp (Ubuntu Lunar)
Status: In Progress => Fix Committed
** Changed in: linux-gcp (Ubuntu Mantic)
Public bug reported:
[Impact]
* Include patches to enable TCPDirect. This is considered a v1 implementation
while Google works to
upsteam a v2 implementation, hence the "UBUNTU: SAUCE: (no-up)"
classification.
[Fix]
d1016eee0b1a ("UBUNTU: SAUCE: (no-up) UPSTREAM: tcp: derive delack_max from
Public bug reported:
Running fio on NVME SSD can cause CPU soft locks.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net
** Attachment added: "Logs"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1995408/+attachment/5628321/+files/820e9193-4187-4828-a77b-65cd1bb6ab7e.serialconsole.txt
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** Description changed:
- Running fio on NVME SSD can cause CPU soft locks.
+ SRU Justification
+
+ [Impact]
+
+ Hypervisor only allocates interrupts to happen on a single physical GPU,
+ which can lead to CPU soft locks when using PCI NVME under heavy load.
+
+ Kinetic will get this patch via
** Package changed: linux (Ubuntu) => linux-azure (Ubuntu)
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https://bugs.launchpad.net/bugs/1995408
Title:
[Azure] [NVMe] cpu soft lockup issue when run fio against n
** Changed in: linux-azure (Ubuntu)
Assignee: (unassigned) => John Cabaj (john-cabaj)
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https://bugs.launchpad.net/bugs/1995408
Title:
[Azure] [NVMe] cpu s
Public bug reported:
SRU Justification
[Impact]
Hypervisor only allocates interrupts to happen on a single physical GPU,
which can lead to CPU soft locks when using PCI NVME under heavy load.
[Test Case]
Microsoft tested
[Where things could go wrong]
Hypervisor PCI driver may not load correc
** Changed in: linux-azure (Ubuntu Noble)
Status: New => Fix Committed
** Changed in: linux-azure (Ubuntu Oracular)
Status: New => Fix Committed
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