[Kernel-packages] [Bug 2075575] Re: kexec fails in LPAR when some cpus are disabled

2024-09-19 Thread Frank Heimes
** Changed in: linux (Ubuntu Oracular) Status: Fix Committed => Fix Released -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/2075575 Title: kexec fails in LPAR when some cpus are d

[Kernel-packages] [Bug 2072661] Re: [24.10 FEAT] [KRN1905] Kernel image in vmalloc space (V!=R)

2024-09-16 Thread Frank Heimes
** Changed in: linux (Ubuntu) Status: Fix Committed => Fix Released ** Changed in: ubuntu-z-systems Status: Fix Committed => Fix Released -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpa

[Kernel-packages] [Bug 2071471] Re: [UBUNTU 24.04] IOMMU DMA mode changed in kernel config causes massive throughput degradation for PCI-related network workloads

2024-09-16 Thread Frank Heimes
** Changed in: ubuntu-z-systems Status: Fix Committed => Fix Released -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/2071471 Title: [UBUNTU 24.04] IOMMU DMA mode changed in kernel

[Kernel-packages] [Bug 2072760] Re: [24.10 FEAT] [KRN1911] Vertical CPU Polarization Support Stage 2

2024-09-16 Thread Frank Heimes
** Changed in: ubuntu-z-systems Status: Fix Committed => Fix Released -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/2072760 Title: [24.10 FEAT] [KRN1911] Vertical CPU Polarizatio

[Kernel-packages] [Bug 2074376] Re: Disable PCI_DYNAMIC_OF_NODES in Ubuntu

2024-09-16 Thread Frank Heimes
** Changed in: ubuntu-power-systems Status: Fix Committed => Fix Released -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/2074376 Title: Disable PCI_DYNAMIC_OF_NODES in Ubuntu Sta

[Kernel-packages] [Bug 2060039] Re: [Ubuntu-24.04] FADump with recommended crash size is making the L1 hang

2024-09-13 Thread Frank Heimes
** Changed in: ubuntu-power-systems Status: In Progress => Fix Committed -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/2060039 Title: [Ubuntu-24.04] FADump with recommended crash

[Kernel-packages] [Bug 2080474] Re: ubuntu installation failing for systems having SAN disk

2024-09-12 Thread Frank Heimes
** Also affects: subiquity Importance: Undecided Status: New ** Also affects: ubuntu-power-systems Importance: Undecided Status: New ** No longer affects: linux (Ubuntu) ** Changed in: ubuntu-power-systems Assignee: (unassigned) => Ubuntu on IBM Power Systems Bug Triage

[Kernel-packages] [Bug 2075721] Re: [Ubuntu24.04] virsh detach-interface is crashing the guest

2024-09-10 Thread Frank Heimes
*** This bug is a duplicate of bug 2074376 *** https://bugs.launchpad.net/bugs/2074376 ** Changed in: linux (Ubuntu) Status: Fix Committed => Fix Released ** Changed in: ubuntu-power-systems Status: Fix Committed => Fix Released -- You received this bug notification because yo

[Kernel-packages] [Bug 2070358] Re: [Ubuntu 24.04] FW1060.00 (NH1060_026) sosreport is running to Kernel OOPS crash

2024-09-10 Thread Frank Heimes
** Changed in: ubuntu-power-systems Status: Fix Committed => Fix Released -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/2070358 Title: [Ubuntu 24.04] FW1060.00 (NH1060_026) sosre

[Kernel-packages] [Bug 2072760] Re: [24.10 FEAT] [KRN1911] Vertical CPU Polarization Support Stage 2

2024-09-06 Thread Frank Heimes
patch set was applied to oracular 6.11 master-next tree updating ticket to Fix Committed ** Changed in: linux (Ubuntu) Status: In Progress => Fix Committed ** Changed in: ubuntu-z-systems Status: In Progress => Fix Committed -- You received this bug notification because you are a

[Kernel-packages] [Bug 2072641] Re: [UBUNTU 22.04] KVM: s390: unhandled guest LPSWEY instruction

2024-09-05 Thread Frank Heimes
** Changed in: ubuntu-z-systems Status: In Progress => Fix Committed -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/2072641 Title: [UBUNTU 22.04] KVM: s390: unhandled guest LPSWEY

[Kernel-packages] [Bug 2076866] Re: Guest crashes post migration with migrate_misplaced_folio+0x4cc/0x5d0

2024-09-05 Thread Frank Heimes
Pull request submitted to kernel team's mailing list: https://lists.ubuntu.com/archives/kernel-team/2024-September/thread.html#153390 changing status to 'In Progress'. ** Changed in: linux (Ubuntu Noble) Status: Triaged => In Progress ** Changed in: ubuntu-power-systems Status: Tria

[Kernel-packages] [Bug 2076866] Re: Guest crashes post migration with migrate_misplaced_folio+0x4cc/0x5d0

2024-09-05 Thread Frank Heimes
** Description changed: SRU Justification: [ Impact ]  * A KVM guest (VM) that got live migrated between two Power 10 systems    (using nested virtualization, means KVM on top of PowerVM) will    highly likely crash after about an hour.  * At that point it looked like the live

[Kernel-packages] [Bug 2072641] Re: [UBUNTU 22.04] KVM: s390: unhandled guest LPSWEY instruction

2024-09-05 Thread Frank Heimes
Commit landed in Ubuntu-5.15.0-120.130 (and newer) and we have 5.15.0.121.121 in proposed. Hence updating status to Fix Committed. ** Also affects: linux (Ubuntu Noble) Importance: Undecided Status: New ** Also affects: linux (Ubuntu Oracular) Importance: Medium Status: Triage

[Kernel-packages] [Bug 2076866] Re: Guest crashes post migration with migrate_misplaced_folio+0x4cc/0x5d0

2024-09-05 Thread Frank Heimes
** Summary changed: - Guest crahses post migration with migrate_misplaced_folio+0x4cc/0x5d0 + Guest crashes post migration with migrate_misplaced_folio+0x4cc/0x5d0 -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://b

[Kernel-packages] [Bug 2072661] Re: [24.10 FEAT] [KRN1905] Kernel image in vmalloc space (V!=R)

2024-09-05 Thread Frank Heimes
** Information type changed from Private to Public -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/2072661 Title: [24.10 FEAT] [KRN1905] Kernel image in vmalloc space (V!=R) Status in Ub

[Kernel-packages] [Bug 2076147] Re: Add 'mm: hold PTL from the first PTE while reclaiming a large folio' to fix L2 Guest hang during LTP Test

2024-09-05 Thread Frank Heimes
Pull request submitted to kernel team's mailing list: https://lists.ubuntu.com/archives/kernel-team/2024-September/thread.html#153383 changing status to 'In Progress', assigning kernel team. ** Changed in: linux (Ubuntu Noble) Status: Triaged => In Progress ** Changed in: ubuntu-power-syst

[Kernel-packages] [Bug 2076147] Re: Add 'mm: hold PTL from the first PTE while reclaiming a large folio' to fix L2 Guest hang during LTP Test

2024-09-04 Thread Frank Heimes
** Description changed: SRU Justification: [ Impact ]  * KVM 2nd level guest (means KVM VM that runs nested on top of a Power 10    PowerVM hypervisor) hangs during LTP (Linux Test Projects) test suite.  * It hangs with:    "Back trace of paca->saved_r1 (0xc00c1bc8bb00) (p

[Kernel-packages] [Bug 2076866] Re: Guest crahses post migration with migrate_misplaced_folio+0x4cc/0x5d0

2024-09-04 Thread Frank Heimes
** Description changed: SRU Justification: [ Impact ] - * A KVM guest (VM) that got live migrated between two Power 10 systems -(using nested virtualization, means KVM on top of PowerVM) will -highly likely crash after about an hour. - - * At that point it looked like the live

[Kernel-packages] [Bug 2076866] Re: Guest crahses post migration with migrate_misplaced_folio+0x4cc/0x5d0

2024-09-04 Thread Frank Heimes
** Description changed: + SRU Justification: + + [ Impact ] + + * A KVM guest (VM) that got live migrated between two Power 10 systems +(using nested virtualization, means KVM on top of PowerVM) will +highly likely crash after about an hour. + + * At that point it looked like the live

[Kernel-packages] [Bug 2072760] Re: [24.10 FEAT] [KRN1911] Vertical CPU Polarization Support Stage 2

2024-09-04 Thread Frank Heimes
Pull request submitted to kernel team's mailing list: https://lists.ubuntu.com/archives/kernel-team/2024-September/thread.html#153380 changing status to 'In Progress', assigning kernel team. ** Changed in: ubuntu-z-systems Status: Incomplete => In Progress ** Changed in: linux (Ubuntu)

[Kernel-packages] [Bug 2077722] Re: [Ubuntu 24.04] MultiVM - L2 guest(s) running stress-ng getting stuck at booting after triggering crash

2024-09-03 Thread Frank Heimes
Looks like it is not yet clear if xive is the problem. So isn't it too early to revert the patches? Is it really safe to do so? I see they got introduced with kernel 6.8, but are still in the later kernels. I don't see any upstream revert (ideally as "stable update"), which would be the right app

[Kernel-packages] [Bug 2060039] Re: [Ubuntu-24.04] FADump with recommended crash size is making the L1 hang

2024-09-03 Thread Frank Heimes
** Description changed: SRU Justification: - + [Impact] - * L1 host hangs when triggering FADump with recommended crash -

[Kernel-packages] [Bug 2076866] Re: Guest crahses post migration with migrate_misplaced_folio+0x4cc/0x5d0

2024-09-03 Thread Frank Heimes
** Summary changed: - ISST-LTE:KOP:1060.1:doodlp1g8:Post Migration Non-MDC L1 eralp1 crashed with migrate_misplaced_folio+0x4cc/0x5d0 + Guest crahses post migration with migrate_misplaced_folio+0x4cc/0x5d0 -- You received this bug notification because you are a member of Kernel Packages, which

[Kernel-packages] [Bug 2076406] Re: L2 Guest migration: continuously dumping while running NFS guest migration

2024-09-02 Thread Frank Heimes
Pull request submitted to kernel team's mailing list: https://lists.ubuntu.com/archives/kernel-team/2024-September/thread.html#153261 changing status to 'In Progress', assigning kernel team. ** Changed in: linux (Ubuntu Noble) Status: Triaged => In Progress ** Changed in: ubuntu-power-syst

[Kernel-packages] [Bug 2076406] Re: L2 Guest migration: continuously dumping while running NFS guest migration

2024-09-02 Thread Frank Heimes
A test kernel was build in this PPA: https://launchpad.net/~fheimes/+archive/ubuntu/lp2076406 -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/2076406 Title: L2 Guest migration: continuous

[Kernel-packages] [Bug 2070329] Re: KOP L2 guest fails to boot with 1 core - SMT8 topology

2024-09-02 Thread Frank Heimes
Pull request submitted to kernel team's mailing list: https://lists.ubuntu.com/archives/kernel-team/2024-September/thread.html#153260 changing status to 'In Progress', assigning kernel team. ** Changed in: linux (Ubuntu Noble) Status: Confirmed => In Progress ** Changed in: ubuntu-power-sy

[Kernel-packages] [Bug 2070329] Re: KOP L2 guest fails to boot with 1 core - SMT8 topology

2024-09-02 Thread Frank Heimes
A test kernel is currently being build in this PPA: https://launchpad.net/~fheimes/+archive/ubuntu/lp2070329 -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/2070329 Title: KOP L2 guest fa

[Kernel-packages] [Bug 2070329] Re: KOP L2 guest fails to boot with 1 core - SMT8 topology

2024-08-30 Thread Frank Heimes
** Description changed: + SRU Justification: + + [ Impact ] + + * On a P10 system with SMT-8 configured +a level 2 guest (VM) fails to boot in case +it only has one core assigned. + + [ Test Plan ] + + * Setup an IBM Power 10 system - that support up to SMT-8 +and with firmware 1

[Kernel-packages] [Bug 2076406] Re: L2 Guest migration: continuously dumping while running NFS guest migration

2024-08-30 Thread Frank Heimes
** Description changed: + SRU Justification: + + [ Impact ] + + * While doing ISST testing it turned out that a 2nd level (KVM) +guest (aka VM) continuously dumped when running an NFS +guest migration. + + [ Test Plan ] + + * Setup two IBM Power 10 system (with firmware 1060, that of

[Kernel-packages] [Bug 2076406] Re: L2 Guest migration: continuously dumping while running NFS guest migration

2024-08-30 Thread Frank Heimes
** Summary changed: - ISST-LTE:KOP:1060FW:evelp2 :L2 Guest migration: evelp2g4[L2]: while running NFS guest migration continuously dumping smp_call_function_many_cond+0x500/0x738 (unreliable) and watchdog: BUG: soft lockup - CPU#14 stuck for 223s! [systemd-homed} (Fedora) + L2 Guest migration

[Kernel-packages] [Bug 1959940] Re: [22.10 FEAT] KVM: Secure Execution guest dump encryption with customer keys - kernel part

2024-08-30 Thread Frank Heimes
=> (unassigned) ** Changed in: linux (Ubuntu Jammy) Assignee: Frank Heimes (fheimes) => Canonical Kernel Team (canonical-kernel-team) -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.ne

[Kernel-packages] [Bug 1959940] Re: [22.10 FEAT] KVM: Secure Execution guest dump encryption with customer keys - kernel part

2024-08-30 Thread Frank Heimes
** Description changed: + SRU Justification: + + [ Impact ] + + * Hypervisor-initiated dumps for Secure Execution +(aka confidential computing) guests are not helpful, +because memory and CPU state is encrypted by a +transient key only available to the Ultravisor (uv). + + * Workl

[Kernel-packages] [Bug 2071774] Re: zfs-dkms FTBFS on Linux 6.10/s390x

2024-08-29 Thread Frank Heimes
Thanks for confirming, Timo! ** Changed in: ubuntu-z-systems Status: In Progress => Fix Released -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to zfs-linux in Ubuntu. https://bugs.launchpad.net/bugs/2071774 Title: zfs-dkms FTBFS

[Kernel-packages] [Bug 1959940] Re: [22.10 FEAT] KVM: Secure Execution guest dump encryption with customer keys - kernel part

2024-08-29 Thread Frank Heimes
I think I got it, there are just two backports, for commit e9bf3acb23f0a6e18438c35944d6cb618d16cf05 and commit 437cfd714db9c1d28878a6e2555e9a730f3490c8 . The rest are cherrypicks. With that a test kernel is currently being build in this PPA: https://launchpad.net/~fheimes/+archive/ubuntu/lp1959940

[Kernel-packages] [Bug 2076406] Re: ISST-LTE:KOP:1060FW:evelp2 :L2 Guest migration: evelp2g4[L2]: while running NFS guest migration continuously dumping smp_call_function_many_cond+0x500/0x738 (unreli

2024-08-28 Thread Frank Heimes
** Package changed: kernel-package (Ubuntu) => linux (Ubuntu) ** Also affects: ubuntu-power-systems Importance: Undecided Status: New ** Changed in: ubuntu-power-systems Assignee: (unassigned) => Ubuntu on IBM Power Systems Bug Triage (ubuntu-power-triage) ** Changed in: ubuntu-p

[Kernel-packages] [Bug 2060039] Re: [Ubuntu-24.04] FADump with recommended crash size is making the L1 hang

2024-08-28 Thread Frank Heimes
** Also affects: linux (Ubuntu Noble) Importance: Undecided Status: New ** Also affects: linux (Ubuntu Oracular) Importance: Undecided Status: Confirmed ** Changed in: linux (Ubuntu Noble) Status: New => Confirmed ** Changed in: linux (Ubuntu Noble) Status: Conf

[Kernel-packages] [Bug 2070253] Re: KVM on PowerVM: L2 Guest-Aggressively entering CEDE results in low performance. Possible tuning opportunity.

2024-08-28 Thread Frank Heimes
The commit is now included in the 24.04 / noble kernel: Ubuntu-6.8.0-44.44 (and newer) which is currently in -proposed: linux-generic | 6.8.0-44.44| noble-proposed| amd64, arm64, armhf, ppc64el, s390x Hence updating this ticket for noble to Fix Committed. ** Changed in: linux (Ubu

[Kernel-packages] [Bug 2070253] Re: KVM on PowerVM: L2 Guest-Aggressively entering CEDE results in low performance. Possible tuning opportunity.

2024-08-27 Thread Frank Heimes
** Also affects: linux (Ubuntu Noble) Importance: Undecided Status: New ** Also affects: linux (Ubuntu Oracular) Importance: High Status: New ** Changed in: ubuntu-power-systems Status: New => Triaged ** Changed in: linux (Ubuntu Noble) Status: New => Triaged *

[Kernel-packages] [Bug 2076147] Re: Add 'mm: hold PTL from the first PTE while reclaiming a large folio' to fix L2 Guest hang during LTP Test

2024-08-27 Thread Frank Heimes
** Also affects: linux (Ubuntu Noble) Importance: Undecided Status: New ** Also affects: linux (Ubuntu Oracular) Importance: High Assignee: Ubuntu on IBM Power Systems Bug Triage (ubuntu-power-triage) Status: Triaged ** Changed in: linux (Ubuntu Oracular) Status: T

[Kernel-packages] [Bug 2070329] Re: KOP L2 guest fails to boot with 1 core - SMT8 topology

2024-08-27 Thread Frank Heimes
** Also affects: linux (Ubuntu Noble) Importance: Undecided Status: New ** Also affects: linux (Ubuntu Oracular) Importance: High Status: Confirmed ** Changed in: linux (Ubuntu Noble) Status: New => Confirmed ** Changed in: linux (Ubuntu Oracular) Status: Confir

[Kernel-packages] [Bug 2075575] Re: kexec fails in LPAR when some cpus are disabled

2024-08-27 Thread Frank Heimes
** Changed in: linux (Ubuntu Oracular) Status: In Progress => Fix Committed -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/2075575 Title: kexec fails in LPAR when some cpus are di

[Kernel-packages] [Bug 2070358] Re: [Ubuntu 24.04] FW1060.00 (NH1060_026) sosreport is running to Kernel OOPS crash

2024-08-27 Thread Frank Heimes
Thank you Tasmiya and Jamie - I'm updating the tags accordingly ... ** Tags removed: verification-needed-noble-linux ** Tags added: verification-done-noble-linux -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bug

[Kernel-packages] [Bug 2064539] Re: Revert back frame pointers for ppc64el (remove -fno-omit-frame-pointer)

2024-08-26 Thread Frank Heimes
Did the verification for the kernel (linux-generic) like above and based on representative kernel modules (arch-specific and common): noble: $ lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description:Ubuntu 24.04 LTS Release:24.04 Codename: noble $ uname -a

[Kernel-packages] [Bug 2064538] Re: Revert back frame pointers for s390x (remove -fno-omit-frame-pointer but use -mbackchain)

2024-08-26 Thread Frank Heimes
Did the verification for the kernel (linux-generic) like above and based on representative kernel modules (arch-specific and common): noble: $ lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description:Ubuntu 24.04 LTS Release:24.04 Codename: noble $ uname -a

[Kernel-packages] [Bug 2064538] Re: Revert back frame pointers for s390x (remove -fno-omit-frame-pointer but use -mbackchain)

2024-08-26 Thread Frank Heimes
** Description changed: SRU Justification: [ Impact ]  * The preferred way of doing stack unwinding on Linux on Z is via dwarf call frame information. In absence of a dwarf unwinder (as in the Linux kernel) a stack chain can be maintained at runtime in addition to the dwarf unwindi

[Kernel-packages] [Bug 2064539] Re: Revert back frame pointers for ppc64el (remove -fno-omit-frame-pointer)

2024-08-26 Thread Frank Heimes
** Description changed: SRU Justification: [ Impact ] - * Power's Linux ABIs all require an explicit call chain be stored on +  * Power's Linux ABIs all require an explicit call chain be stored on the call stack frames which are all accessible via the stack pointer. - * Therefore,

[Kernel-packages] [Bug 2064538] Re: Revert back frame pointers for s390x (remove -fno-omit-frame-pointer but use -mbackchain)

2024-08-26 Thread Frank Heimes
** Description changed: SRU Justification: [ Impact ]  * The preferred way of doing stack unwinding on Linux on Z is via dwarf call frame information. In absence of a dwarf unwinder (as in the Linux kernel) a stack chain can be maintained at runtime in addition to the dwarf unwindi

[Kernel-packages] [Bug 2077722] Re: [Ubuntu 24.04] MultiVM - L2 guest(s) running stress-ng getting stuck at booting after triggering crash

2024-08-26 Thread Frank Heimes
** Package changed: kernel-package (Ubuntu) => linux (Ubuntu) ** Also affects: ubuntu-power-systems Importance: Undecided Status: New ** Changed in: ubuntu-power-systems Assignee: (unassigned) => Ubuntu on IBM Power Systems Bug Triage (ubuntu-power-triage) -- You received this b

[Kernel-packages] [Bug 1959940] Re: [22.10 FEAT] KVM: Secure Execution guest dump encryption with customer keys - kernel part

2024-08-26 Thread Frank Heimes
Changed in: linux (Ubuntu Jammy) Assignee: (unassigned) => Frank Heimes (fheimes) ** Changed in: linux (Ubuntu Jammy) Status: New => Triaged -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.la

[Kernel-packages] [Bug 2074376] Re: Disable PCI_DYNAMIC_OF_NODES in Ubuntu

2024-08-26 Thread Frank Heimes
** Changed in: ubuntu-power-systems Assignee: (unassigned) => Ubuntu on IBM Power Systems Bug Triage (ubuntu-power-triage) -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/2074376 Titl

[Kernel-packages] [Bug 1959940] Re: [22.10 FEAT] KVM: Secure Execution guest dump encryption with customer keys - kernel part

2024-08-26 Thread Frank Heimes
** Also affects: linux (Ubuntu Jammy) Importance: Undecided Status: New -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1959940 Title: [22.10 FEAT] KVM: Secure Execution guest d

[Kernel-packages] [Bug 2077540] Re: [24.10] Please test secure-boot and lockdown on the 6.11 kernel (s390x) for Oracular

2024-08-23 Thread Frank Heimes
Updating this ticket with a message that I received via mail: Secureboot lockdown was successfully tested by Grgo/IBM. Test completed! With that I'm closing this ticket as Fix Released. ** Changed in: ubuntu-z-systems Assignee: (unassigned) => bugproxy (bugproxy) ** Changed in: ubuntu-z-sy

[Kernel-packages] [Bug 2076569] Re: ISST-LTE:KOP:doodlp1g3:L2 guest hung and Call traces seen with Snapshot tests

2024-08-16 Thread Frank Heimes
*** This bug is a duplicate of bug 2076147 *** https://bugs.launchpad.net/bugs/2076147 This is a duplicate of: LP#2076147 - "Add 'mm: hold PTL from the first PTE while reclaiming a large folio' to fix L2 Guest hang during LTP Test" https://bugs.launchpad.net/bugs/2076147 Marking this LP bug a

[Kernel-packages] [Bug 2074376] Re: Disable PCI_DYNAMIC_OF_NODES in Ubuntu

2024-08-16 Thread Frank Heimes
** Changed in: ubuntu-power-systems Importance: Undecided => Medium ** Changed in: ubuntu-power-systems Status: New => Fix Committed -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bug

[Kernel-packages] [Bug 2076866] Re: ISST-LTE:KOP:1060.1:doodlp1g8:Post Migration Non-MDC L1 eralp1 crashed with migrate_misplaced_folio+0x4cc/0x5d0

2024-08-13 Thread Frank Heimes
** Also affects: ubuntu-power-systems Importance: Undecided Status: New ** Changed in: ubuntu-power-systems Assignee: (unassigned) => Ubuntu on IBM Power Systems Bug Triage (ubuntu-power-triage) ** Changed in: linux (Ubuntu) Assignee: Ubuntu on IBM Power Systems Bug Triage (u

[Kernel-packages] [Bug 2076866] Re: ISST-LTE:KOP:1060.1:doodlp1g8:Post Migration Non-MDC L1 eralp1 crashed with migrate_misplaced_folio+0x4cc/0x5d0

2024-08-13 Thread Frank Heimes
** Package changed: kernel-package (Ubuntu) => linux (Ubuntu) -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/2076866 Title: ISST-LTE:KOP:1060.1:doodlp1g8:Post Migration Non-MDC L1 eralp1

[Kernel-packages] [Bug 2071471] Re: [UBUNTU 24.04] IOMMU DMA mode changed in kernel config causes massive throughput degradation for PCI-related network workloads

2024-08-09 Thread Frank Heimes
Many thanks for the successful verification, Barbara! -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/2071471 Title: [UBUNTU 24.04] IOMMU DMA mode changed in kernel config causes massive

[Kernel-packages] [Bug 2074376] Re: Disable PCI_DYNAMIC_OF_NODES in Ubuntu

2024-08-09 Thread Frank Heimes
Many thanks Kowshik Jois for the successful verification. The verification results are at the duplicate bug: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2075721/comments/7 re-posting here: --- Comment From kowshik.j...@in.ibm.com 2024-08-09 11:36 EDT--- I have tested this scenario

[Kernel-packages] [Bug 2075721] Re: [Ubuntu24.04] virsh detach-interface is crashing the guest

2024-08-09 Thread Frank Heimes
*** This bug is a duplicate of bug 2074376 *** https://bugs.launchpad.net/bugs/2074376 Many thanks Kowshik Jois for the successful verification! ** Changed in: ubuntu-power-systems Status: New => Fix Committed ** Changed in: linux (Ubuntu) Status: New => Fix Committed -- You

[Kernel-packages] [Bug 2074380] Re: [UBUNTU 22.04] s390/cpum_cf: make crypto counters upward compatible

2024-08-08 Thread Frank Heimes
** Changed in: ubuntu-z-systems Status: In Progress => Fix Committed -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/2074380 Title: [UBUNTU 22.04] s390/cpum_cf: make crypto counter

[Kernel-packages] [Bug 2064539] Re: Revert back frame pointers for ppc64el (remove -fno-omit-frame-pointer)

2024-08-08 Thread Frank Heimes
Hi @schopin, I agree - that is what is now under option 1) under test plan in the SRU Justification. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/2064539 Title: Revert back frame point

[Kernel-packages] [Bug 2064539] Re: Revert back frame pointers for ppc64el (remove -fno-omit-frame-pointer)

2024-08-08 Thread Frank Heimes
** Description changed: - Power's Linux ABIs all require an explicit call chain be stored on the call stack frames which are all accessible via the stack pointer. - Therefore, having a (soft/simulated) frame pointer does not improve backtraces at all on Power. + SRU Justification: - However,

[Kernel-packages] [Bug 2064538] Re: Revert back frame pointers for s390x (remove -fno-omit-frame-pointer but use -mbackchain)

2024-08-08 Thread Frank Heimes
** Description changed: SRU Justification: [ Impact ] - * The preferred way of doing stack unwinding on Linux on Z is via dwarf call frame information. +  * The preferred way of doing stack unwinding on Linux on Z is via dwarf call frame information. In absence of a dwarf unwinder (

[Kernel-packages] [Bug 2064538] Re: Revert back frame pointers for s390x (remove -fno-omit-frame-pointer but use -mbackchain)

2024-08-08 Thread Frank Heimes
** Description changed: - The preferred way of doing stack unwinding on Linux on Z is via dwarf call frame information. + SRU Justification: + + [ Impact ] + + * The preferred way of doing stack unwinding on Linux on Z is via dwarf call frame information. In absence of a dwarf unwinder (as

[Kernel-packages] [Bug 2064539] Re: Revert back frame pointers for ppc64el (remove -fno-omit-frame-pointer)

2024-08-08 Thread Frank Heimes
Many thanks doko, the debdiff looks reasonable and good. I did a test build (based on v1.22.6ubuntu6.1 https://launchpad.net/~ubuntu-toolchain-r/+archive/ubuntu/ppa/+sourcepub/16274696/+listing-archive-extra) and wasn't able to find an indication of FBs (in the debug symbols) anymore (using read

[Kernel-packages] [Bug 2076147] Re: Add 'mm: hold PTL from the first PTE while reclaiming a large folio' to fix L2 Guest hang during LTP Test

2024-08-07 Thread Frank Heimes
** Description changed: SRU Justification: [ Impact ] - * KVM 2nd level guest (means KVM VM that runs nested on top of a Power 10 -PowerVM hypervisor) hangs during LTP (Linux Test Projects) test suite. +  * KVM 2nd level guest (means KVM VM that runs nested on top of a Power 10 +   

[Kernel-packages] [Bug 2076147] Re: Add 'mm: hold PTL from the first PTE while reclaiming a large folio' to fix L2 Guest hung during LTP Test

2024-08-07 Thread Frank Heimes
** Summary changed: - L2 Guest hung during LTP Tests. Back trace of paca->saved_r1 (0xc00c1bc8bb00) (possibly stale) @ new_slab + Add 'mm: hold PTL from the first PTE while reclaiming a large folio' to fix L2 Guest hung during LTP Test ** Summary changed: - Add 'mm: hold PTL from the first

[Kernel-packages] [Bug 2076147] Re: L2 Guest hung during LTP Tests. Back trace of paca->saved_r1 (0xc000000c1bc8bb00) (possibly stale) @ new_slab

2024-08-07 Thread Frank Heimes
** Changed in: ubuntu-power-systems Status: New => Triaged ** Changed in: linux (Ubuntu) Status: New => Triaged -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/2076147 Title:

[Kernel-packages] [Bug 2076147] Re: L2 Guest hung during LTP Tests. Back trace of paca->saved_r1 (0xc000000c1bc8bb00) (possibly stale) @ new_slab

2024-08-07 Thread Frank Heimes
** Description changed: + SRU Justification: + + [ Impact ] + + * KVM 2nd level guest (means KVM VM that runs nested on top of a Power 10 +PowerVM hypervisor) hangs during LTP (Linux Test Projects) test suite. + + * It hangs with: +"Back trace of paca->saved_r1 (0xc00c1bc8bb00) (p

[Kernel-packages] [Bug 2076147] Re: L2 Guest hung during LTP Tests. Back trace of paca->saved_r1 (0xc000000c1bc8bb00) (possibly stale) @ new_slab

2024-08-06 Thread Frank Heimes
I picked the commit and started a test build of the patched kernel that is currently building here: launchpad.net/~fheimes/+archive/ubuntu/lp2076147 -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.n

[Kernel-packages] [Bug 2076147] Re: L2 Guest hung during LTP Tests. Back trace of paca->saved_r1 (0xc000000c1bc8bb00) (possibly stale) @ new_slab

2024-08-06 Thread Frank Heimes
Hello and thanks for raising this issue. Do you have a reproducer on this issue? Since it's common code (memory mgnt) this needs to be handled with care, since it will affect all installations. Is it correct that you faced this issue while running the LTP Test suite? Could you provide more detail

[Kernel-packages] [Bug 2070253] Re: KVM on PowerVM: L2 Guest-Aggressively entering CEDE results in low performance. Possible tuning opportunity.

2024-08-05 Thread Frank Heimes
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=7be6ce7043b4cf293c8826a48fd9f56931cef2cf DOes not seem to have been upstream tagged for stable updates, hence manual submission needed. -- You received this bug notification because you are a member of Kernel Packages

[Kernel-packages] [Bug 2076147] Re: L2 Guest hung during LTP Tests. Back trace of paca->saved_r1 (0xc000000c1bc8bb00) (possibly stale) @ new_slab

2024-08-05 Thread Frank Heimes
** Package changed: kernel-package (Ubuntu) => linux (Ubuntu) ** Also affects: ubuntu-power-systems Importance: Undecided Status: New ** Changed in: ubuntu-power-systems Assignee: (unassigned) => Ubuntu on IBM Power Systems Bug Triage (ubuntu-power-triage) ** Changed in: linux (U

[Kernel-packages] [Bug 2075721] Re: [Ubuntu24.04] virsh detach-interface is crashing the guest

2024-08-05 Thread Frank Heimes
*** This bug is a duplicate of bug 2074376 *** https://bugs.launchpad.net/bugs/2074376 I just noticed that the Canonical kernel team has already a Launchpad bug open on this and already started to work on it (it's meanwhile Fix Committed for noble/24.04 and oracular/24.10). So I'm marking th

[Kernel-packages] [Bug 2074380] Re: [UBUNTU 22.04] kernel: s390/cpum_cf: make crypto counters upward compatible

2024-08-05 Thread Frank Heimes
** Description changed: SRU Justification: [ Impact ] - * The CPU Measurement Facility (CPU MF) crypto counter set -is not listed in the device sysfs tree - it's not exported -in the sysfs directory /sys/devices/cpum_cf/events. +  * The CPU Measurement Facility (CPU MF) crypto c

[Kernel-packages] [Bug 2074380] Re: [UBUNTU 22.04] kernel: s390/cpum_cf: make crypto counters upward compatible

2024-08-05 Thread Frank Heimes
The commit applies fine to the noble master-next tree (kernel 6.8), and a test build was triggered here: https://launchpad.net/~fheimes/+archive/ubuntu/lp2074380 However, the cpumf code in jammy master-next (kernel 5.15) is quite different. git blame tells me that probably the following commits a

[Kernel-packages] [Bug 2075721] Re: [Ubuntu24.04] virsh detach-interface is crashing the guest

2024-08-05 Thread Frank Heimes
** Package changed: ubuntu => linux ** Project changed: linux => linux (Ubuntu) -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/2075721 Title: [Ubuntu24.04] virsh detach-interface is cra

[Kernel-packages] [Bug 2075575] Re: kexec fails in LPAR when some cpus are disabled

2024-08-05 Thread Frank Heimes
Hello Seeteena, thanks for having this reported. The referenced commit is upstream accepted in kernel v6.10(-rc7) and v6.11(-rc1), hence it will be included in the planned target kernel for 'oracular' / 24.10. And I am glad to see that the commit was upstream also tagged as stable update, for ke

[Kernel-packages] [Bug 2074380] Re: [UBUNTU 22.04] kernel: s390/cpum_cf: make crypto counters upward compatible

2024-08-05 Thread Frank Heimes
Hello Thomas, thank you! Was also my impression that a backport is probably best. And the backport applies cleanly on jammy master-next (so yes, that is what we have to use for the next and upcoming kernel of an Ubuntu release). Proceeding now with the kernel SRU ... -- You received this bug no

[Kernel-packages] [Bug 2074380] Re: [UBUNTU 22.04] kernel: s390/cpum_cf: make crypto counters upward compatible

2024-08-05 Thread Frank Heimes
AES_BLOCKED_FUNCTIONS + AES_CYCLES + AES_FUNCTIONS + # Upstream-ID of fix: f10933cbd2dfddf6273698a45f76db9bafd8150f ** Changed in: linux (Ubuntu Jammy) Assignee: (unassigned) => Frank Heimes (fheimes) ** Changed in: linux (Ubuntu Noble) As

[Kernel-packages] [Bug 2075575] Re: kexec fails in LPAR when some cpus are disabled

2024-08-05 Thread Frank Heimes
** Package changed: kernel-package (Ubuntu) => linux (Ubuntu) ** Also affects: ubuntu-power-systems Importance: Undecided Status: New ** Changed in: ubuntu-power-systems Assignee: (unassigned) => Ubuntu on IBM Power Systems Bug Triage (ubuntu-power-triage) ** Changed in: linux (U

[Kernel-packages] [Bug 2074380] Re: [UBUNTU 22.04] s390/cpum_cf: make crypto counters upward compatible

2024-08-05 Thread Frank Heimes
Test builds were done here: https://launchpad.net/~fheimes/+archive/ubuntu/lp2074380 Submissions to the kernel teams mailing list was done: https://lists.ubuntu.com/archives/kernel-team/2024-August/thread.html#152551 ** Changed in: linux (Ubuntu Jammy) Assignee: Frank Heimes (fheimes

[Kernel-packages] [Bug 2074380] Re: [UBUNTU 22.04] kernel: s390/cpum_cf: make crypto counters upward compatible

2024-07-30 Thread Frank Heimes
** Also affects: linux (Ubuntu Jammy) Importance: Undecided Status: New ** Also affects: linux (Ubuntu Noble) Importance: Undecided Status: New ** Changed in: linux (Ubuntu) Status: New => Fix Released ** Also affects: ubuntu-z-systems Importance: Undecided S

[Kernel-packages] [Bug 1959940] Re: [22.10 FEAT] KVM: Secure Execution guest dump encryption with customer keys - kernel part

2024-07-30 Thread Frank Heimes
To get this as SRU into 22.04/jammy, backports of the above commits are needed that fit to: git clone git://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/jammy --branch master-next --single-branch -- You received this bug notification because you are a member of Kernel Packages, w

[Kernel-packages] [Bug 2064530] Re: Include support for .NET 8 for Ubuntu on Power

2024-05-01 Thread Frank Heimes
** Package changed: linux (Ubuntu) => dotnet8 (Ubuntu) ** Also affects: ubuntu-power-systems Importance: Undecided Status: New ** Changed in: ubuntu-power-systems Assignee: (unassigned) => Ubuntu on IBM Power Systems Bug Triage (ubuntu-power-triage) ** Changed in: dotnet8 (Ubuntu

[Kernel-packages] [Bug 2062556] Re: [Ubuntu-24.04] Hugepage memory is not getting released even after destroying the guest!

2024-04-22 Thread Frank Heimes
I just had a look at noble's master-next tree: $ git remote get-url origin git://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/noble $ git branch * master-next and found that commit 19c1ceeca8ed is already applied: $ git log --oneline | grep -n "block: Fix page refcounts for unaligned

[Kernel-packages] [Bug 2062556] Re: [Ubuntu-24.04] Hugepage memory is not getting released even after destroying the guest!

2024-04-22 Thread Frank Heimes
** Also affects: ubuntu-power-systems Importance: Undecided Status: New -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/2062556 Title: [Ubuntu-24.04] Hugepage memory is not gett

[Kernel-packages] [Bug 2050019] Re: [24.04 FEAT] [SEC2353] zcrypt: extend error recovery to deal with device scans

2024-04-21 Thread Frank Heimes
** Changed in: ubuntu-z-systems Status: In Progress => Fix Released -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/2050019 Title: [24.04 FEAT] [SEC2353] zcrypt: extend error recov

[Kernel-packages] [Bug 2051835] Re: [24.04 FEAT] Memory hotplug vmem pages (s390x)

2024-04-21 Thread Frank Heimes
** Changed in: ubuntu-z-systems Status: In Progress => Fix Released -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/2051835 Title: [24.04 FEAT] Memory hotplug vmem pages (s390x) S

[Kernel-packages] [Bug 2060217] Re: NFSv4 fails to mount in noble/s390x

2024-04-18 Thread Frank Heimes
I've noticed that Vasily's commit has meanwhile landed in linux-next, so I took it from there and applied it to noble master-next, but it failed due to changed context. Hence I did a bit of backporting work and got now it in. I triggered appropriate kernel test builds here: https://launchpad.net/~

[Kernel-packages] [Bug 2060807] Re: [UBUNTU 24.04] s390x: clone clobbers r7

2024-04-10 Thread Frank Heimes
*** This bug is a duplicate of bug 2055175 *** https://bugs.launchpad.net/bugs/2055175 I strongly believe that this is a duplicate of LP#2055175, which is meanwhile Fix Released and should be included in the latest noble/24.04 daily images. glibc in noble (release) is currently (Apr 10th) 2.3

[Kernel-packages] [Bug 2060217] Re: NFSv4 fails to mount in noble/s390x

2024-04-09 Thread Frank Heimes
** Also affects: ubuntu-z-systems Importance: Undecided Status: New ** Tags added: s390x ** Changed in: ubuntu-z-systems Assignee: (unassigned) => bugproxy (bugproxy) -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux i

[Kernel-packages] [Bug 2056491] Re: not able to install noble on PowerVM LPARs `Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block`

2024-04-06 Thread Frank Heimes
Fantastic, thanks for re-testing and confirming! Closing this ticket as Fix Released. ** Changed in: ubuntu-power-systems Status: New => Fix Released ** Changed in: linux (Ubuntu) Status: Confirmed => Fix Released -- You received this bug notification because you are a member of K

[Kernel-packages] [Bug 2051835] Re: [24.04 FEAT] Memory hotplug vmem pages (s390x)

2024-04-02 Thread Frank Heimes
This is not incl. in Ubuntu-6.8.0-20.20, but will be included in the next updated kernel. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/2051835 Title: [24.04 FEAT] Memory hotplug vmem p

[Kernel-packages] [Bug 2059303] Re: [UBUNTU 20.04] SE-tooling: New IBM host-key subject locality (s390-tools)

2024-04-02 Thread Frank Heimes
** Package changed: linux (Ubuntu) => s390-tools (Ubuntu) ** Also affects: s390-tools-signed (Ubuntu) Importance: Undecided Status: New ** Also affects: ubuntu-z-systems Importance: Undecided Status: New ** Changed in: ubuntu-z-systems Assignee: (unassigned) => Skipper B

[Kernel-packages] [Bug 2059237] Re: [Ubuntu-24.04] "array-index-out-of-bounds" error is observed after every reboot

2024-04-02 Thread Frank Heimes
Thanks for testing the '-20' kernel @kowshik.jois and thanks for the updates @arighi and @hariharan.ts. With that I'm closing this ticket (as Fix Released in 6.8.0-20). ** Changed in: linux (Ubuntu) Status: Confirmed => Fix Released ** Changed in: ubuntu-power-systems Status: Confi

[Kernel-packages] [Bug 2038583] Re: Turning COMPAT_32BIT_TIME off on s390x

2024-03-28 Thread Frank Heimes
** Changed in: ubuntu-z-systems Status: Fix Committed => Fix Released -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/2038583 Title: Turning COMPAT_32BIT_TIME off on s390x Status

[Kernel-packages] [Bug 2051683] Re: [24.04 FEAT] [LDP2406] 64bit Only Distro - Remove 31/32bit Support Completely

2024-03-28 Thread Frank Heimes
*** This bug is a duplicate of bug 2038583 *** https://bugs.launchpad.net/bugs/2038583 ** Changed in: linux (Ubuntu) Status: Fix Committed => Fix Released ** Changed in: ubuntu-z-systems Status: Fix Committed => Fix Released -- You received this bug notification because you ar

[Kernel-packages] [Bug 2059237] Re: [Ubuntu-24.04] "array-index-out-of-bounds" error is observed after every reboot

2024-03-28 Thread Frank Heimes
Hi Kowshik, sorry, just noticed the machine data line in the log: "IBM,9080-HEX POWER10 (raw) 0x800200 0xf06 of:IBM,FW1060.00 (NH1060_013) hv:phyp" Well, there is no proposed "ISO" - "-proposed" is just a special (pre-release) area in the archive for packages, incl. kernel. So I just thought

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