[Bug 2074123] Re: mlxbf_gige: packets received before RX path fully init

2024-07-29 Thread Bartlomiej Zolnierkiewicz
** Also affects: linux-bluefield (Ubuntu Jammy)
   Importance: Undecided
   Status: New

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Title:
  mlxbf_gige: packets received before RX path fully init

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[Bug 2072675] Re: BF2: Add support for eMMC HW reset

2024-07-16 Thread Bartlomiej Zolnierkiewicz
** Changed in: linux-bluefield (Ubuntu Jammy)
   Status: New => Fix Committed

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Title:
  BF2: Add support for eMMC HW reset

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[Bug 2072786] Re: BF3: Add support for eMMC HW reset

2024-07-16 Thread Bartlomiej Zolnierkiewicz
** Changed in: linux-bluefield (Ubuntu Jammy)
   Status: New => Fix Committed

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Title:
  BF3: Add support for eMMC HW reset

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[Bug 2072786] Re: BF3: Add support for eMMC HW reset

2024-07-12 Thread Bartlomiej Zolnierkiewicz
** Also affects: linux-bluefield (Ubuntu Jammy)
   Importance: Undecided
   Status: New

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  BF3: Add support for eMMC HW reset

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[Bug 2072675] Re: BF2: Add support for eMMC HW reset

2024-07-12 Thread Bartlomiej Zolnierkiewicz
** Also affects: linux-bluefield (Ubuntu Jammy)
   Importance: Undecided
   Status: New

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  BF2: Add support for eMMC HW reset

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[Bug 2071715] Re: LAG with CT causes DPU Kernel Panic

2024-07-11 Thread Bartlomiej Zolnierkiewicz
** Changed in: linux-bluefield (Ubuntu Jammy)
   Status: New => Fix Committed

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Title:
  LAG with CT causes DPU Kernel Panic

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[Bug 2071715] Re: LAG with CT causes DPU Kernel Panic

2024-07-10 Thread Bartlomiej Zolnierkiewicz
The fix for this issue is now available:
https://lists.ubuntu.com/archives/kernel-team/2024-July/152062.html 
(cover-letter)
https://lists.ubuntu.com/archives/kernel-team/2024-July/152061.html (patch)


** Also affects: linux-bluefield (Ubuntu Jammy)
   Importance: Undecided
   Status: New

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  LAG with CT causes DPU Kernel Panic

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[Bug 2071715] Re: LAG with CT causes DPU Kernel Panic

2024-07-04 Thread Bartlomiej Zolnierkiewicz
Hi William,

This bug may be related to addition of commit
d6226e30830b49e68e2f92f25b33437c2f61388f ("netfilter: nf_flow_table:
count pending offload workqueue tasks") and changes to
flow_offload_queue_work() (maybe as a result some networking structures
are accessed now without matching live frames due to bluefield kernel
differences).

Could you try kernel with commit
d6226e30830b49e68e2f92f25b33437c2f61388f reverted? In order to do this
commits 724565824b2be9324c616f834419c79c6ba15715 ("netfilter: flowtable:
validate pppoe header") and b142be669c4a44b9bfe8e700436738830e1352fe
("UBUNTU: [Config] update configs to enable new NF_FLOW_TABLE_PROCFS")
need also to be reverted so the complete git command would be:

$ git revert 724565824b2be9324c616f834419c79c6ba15715
d6226e30830b49e68e2f92f25b33437c2f61388f
b142be669c4a44b9bfe8e700436738830e1352fe

Thank you.

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  LAG with CT causes DPU Kernel Panic

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[Bug 2064163] Re: mlxbf-gige: Vitesse PHY stuck in a bad state during reboot test

2024-06-18 Thread Bartlomiej Zolnierkiewicz
Re-add verification-done-jammy-linux-bluefield tag (it was removed by
ubuntu-kernel-bot after incorrect removal of kernel-spammed-jammy-linux-
bluefield-v2 tag).

** Tags removed: verification-needed-jammy-linux-bluefield
** Tags added: verification-done-jammy-linux-bluefield

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Title:
  mlxbf-gige: Vitesse PHY stuck in a bad state during reboot test

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[Bug 2069303] Re: Use a single SMC for reporting total power

2024-06-17 Thread Bartlomiej Zolnierkiewicz
** Changed in: linux-bluefield (Ubuntu Jammy)
   Status: New => Fix Committed

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Title:
  Use a single SMC for reporting total power

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[Bug 2069303] Re: Use a single SMC for reporting total power

2024-06-13 Thread Bartlomiej Zolnierkiewicz
** Also affects: linux-bluefield (Ubuntu Jammy)
   Importance: Undecided
   Status: New

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  Use a single SMC for reporting total power

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[Bug 2062384] Re: mlxbf-gige: autonegotiation fails to complete on BF2

2024-06-03 Thread Bartlomiej Zolnierkiewicz
** Changed in: linux-bluefield (Ubuntu Focal)
   Status: New => Fix Committed

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Title:
  mlxbf-gige: autonegotiation fails to complete on BF2

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[Bug 2064163] Re: mlxbf-gige: Vitesse PHY stuck in a bad state during reboot test

2024-06-03 Thread Bartlomiej Zolnierkiewicz
** Changed in: linux-bluefield (Ubuntu Focal)
   Status: New => Fix Committed

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Title:
  mlxbf-gige: Vitesse PHY stuck in a bad state during reboot test

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[Bug 2064163] Re: mlxbf-gige: Vitesse PHY stuck in a bad state during reboot test

2024-06-03 Thread Bartlomiej Zolnierkiewicz
** Also affects: linux-bluefield (Ubuntu Focal)
   Importance: Undecided
   Status: New

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  mlxbf-gige: Vitesse PHY stuck in a bad state during reboot test

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[Bug 2062384] Re: mlxbf-gige: autonegotiation fails to complete on BF2

2024-06-03 Thread Bartlomiej Zolnierkiewicz
** Changed in: linux-bluefield (Ubuntu Jammy)
   Status: New => Fix Committed

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  mlxbf-gige: autonegotiation fails to complete on BF2

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[Bug 2064163] Re: mlxbf-gige: Vitesse PHY stuck in a bad state during reboot test

2024-06-03 Thread Bartlomiej Zolnierkiewicz
** Changed in: linux-bluefield (Ubuntu Jammy)
   Status: In Progress => Fix Committed

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  mlxbf-gige: Vitesse PHY stuck in a bad state during reboot test

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[Bug 2064184] Re: sdhci_of_dwcmshc: sync up "disable PM runtime in dwcmshc_remove()" from upstream

2024-06-03 Thread Bartlomiej Zolnierkiewicz
** Changed in: linux-bluefield (Ubuntu Jammy)
   Status: New => Fix Committed

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Title:
  sdhci_of_dwcmshc: sync up "disable PM runtime in dwcmshc_remove()"
  from upstream

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[Bug 2065664] Re: Need more patches to support DPLL and syncE on Bluefield 5.15 kernel

2024-06-03 Thread Bartlomiej Zolnierkiewicz
** Changed in: linux-bluefield (Ubuntu Jammy)
   Status: New => Fix Committed

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Title:
  Need more patches to support DPLL and syncE on Bluefield 5.15 kernel

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[Bug 2066198] Re: gpio-mlxbf3: During reboot test, ipmb driver fails to load intermittently

2024-06-03 Thread Bartlomiej Zolnierkiewicz
** Changed in: linux-bluefield (Ubuntu Jammy)
   Status: New => Fix Committed

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Title:
  gpio-mlxbf3: During reboot test, ipmb driver fails to load
  intermittently

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[Bug 2066897] Re: IFLA_DPLL_PIN is not aligned with upstream value

2024-06-03 Thread Bartlomiej Zolnierkiewicz
** Changed in: linux-bluefield (Ubuntu Jammy)
   Status: New => Fix Committed

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Title:
  IFLA_DPLL_PIN is not aligned with upstream value

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[Bug 2065664] Re: Need more patches to support DPLL and syncE on Bluefield 5.15 kernel

2024-06-03 Thread Bartlomiej Zolnierkiewicz
** Also affects: linux-bluefield (Ubuntu Jammy)
   Importance: Undecided
   Status: New

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  Need more patches to support DPLL and syncE on Bluefield 5.15 kernel

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[Bug 2066198] Re: gpio-mlxbf3: During reboot test, ipmb driver fails to load intermittently

2024-06-03 Thread Bartlomiej Zolnierkiewicz
** Also affects: linux-bluefield (Ubuntu Jammy)
   Importance: Undecided
   Status: New

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Title:
  gpio-mlxbf3: During reboot test, ipmb driver fails to load
  intermittently

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[Bug 2066897] Re: IFLA_DPLL_PIN is not aligned with upstream value

2024-06-03 Thread Bartlomiej Zolnierkiewicz
** Also affects: linux-bluefield (Ubuntu Jammy)
   Importance: Undecided
   Status: New

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Title:
  IFLA_DPLL_PIN is not aligned with upstream value

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[Bug 2064184] Re: sdhci_of_dwcmshc: sync up "disable PM runtime in dwcmshc_remove()" from upstream

2024-06-03 Thread Bartlomiej Zolnierkiewicz
** Also affects: linux-bluefield (Ubuntu Jammy)
   Importance: Undecided
   Status: New

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Title:
  sdhci_of_dwcmshc: sync up "disable PM runtime in dwcmshc_remove()"
  from upstream

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[Bug 2065302] [NEW] New upstream relase 550.78

2024-05-09 Thread Bartlomiej Zolnierkiewicz
Public bug reported:

[Impact]
These releases provide both bug fixes and new features, and we would like to
make sure all of our users have access to these improvements.

See the changelog entry below for a full list of changes and bugs.

[Test Case]
The following development and SRU process was followed:
https://wiki.ubuntu.com/NVidiaUpdates

Certification test suite must pass on a range of hardware:
https://git.launchpad.net/plainbox-provider-sru/tree/units/sru.pxu

The QA team that executed the tests will be in charge of attaching the
artifacts and console output of the appropriate run to the bug. nVidia
maintainers team members will not mark ‘verification-done’ until this
has happened.

[Regression Potential]
In order to mitigate the regression potential, the results of the
aforementioned system level tests are attached to this bug.

[Discussion]

[Changelog]

** Affects: nvidia-graphics-drivers-550 (Ubuntu)
 Importance: Undecided
 Status: New

** Affects: nvidia-graphics-drivers-550 (Ubuntu Focal)
 Importance: Undecided
 Status: New

** Affects: nvidia-graphics-drivers-550 (Ubuntu Jammy)
 Importance: Undecided
 Status: New

** Affects: nvidia-graphics-drivers-550 (Ubuntu Mantic)
 Importance: Undecided
 Status: New

** Affects: nvidia-graphics-drivers-550 (Ubuntu Noble)
 Importance: Undecided
 Status: New

** Also affects: nvidia-graphics-drivers-550 (Ubuntu Focal)
   Importance: Undecided
   Status: New

** Also affects: nvidia-graphics-drivers-550 (Ubuntu Noble)
   Importance: Undecided
   Status: New

** Also affects: nvidia-graphics-drivers-550 (Ubuntu Jammy)
   Importance: Undecided
   Status: New

** Also affects: nvidia-graphics-drivers-550 (Ubuntu Mantic)
   Importance: Undecided
   Status: New

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Title:
   New upstream relase 550.78

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[Bug 2062384] Re: mlxbf-gige: autonegotiation fails to complete on BF2

2024-04-30 Thread Bartlomiej Zolnierkiewicz
** Also affects: linux-bluefield (Ubuntu Focal)
   Importance: Undecided
   Status: New

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  mlxbf-gige: autonegotiation fails to complete on BF2

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[Bug 2064163] Re: mlxbf-gige: Vitesse PHY stuck in a bad state during reboot test

2024-04-30 Thread Bartlomiej Zolnierkiewicz
** Also affects: linux-bluefield (Ubuntu Jammy)
   Importance: Undecided
   Status: New

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  mlxbf-gige: Vitesse PHY stuck in a bad state during reboot test

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[Bug 2063210] [NEW] New upstream relase 550.76

2024-04-23 Thread Bartlomiej Zolnierkiewicz
Public bug reported:

[Impact]
These releases provide both bug fixes and new features, and we would like to
make sure all of our users have access to these improvements.

See the changelog entry below for a full list of changes and bugs.

[Test Case]
The following development and SRU process was followed:
https://wiki.ubuntu.com/NVidiaUpdates

Certification test suite must pass on a range of hardware:
https://git.launchpad.net/plainbox-provider-sru/tree/units/sru.pxu

The QA team that executed the tests will be in charge of attaching the
artifacts and console output of the appropriate run to the bug. nVidia
maintainers team members will not mark ‘verification-done’ until this
has happened.

[Regression Potential]
In order to mitigate the regression potential, the results of the
aforementioned system level tests are attached to this bug.

[Discussion]

[Changelog]

** Affects: nvidia-graphics-drivers-550 (Ubuntu)
 Importance: Undecided
 Status: New

** Affects: nvidia-graphics-drivers-550 (Ubuntu Bionic)
 Importance: Undecided
 Status: New

** Affects: nvidia-graphics-drivers-550 (Ubuntu Focal)
 Importance: Undecided
 Status: New

** Affects: nvidia-graphics-drivers-550 (Ubuntu Jammy)
 Importance: Undecided
 Status: New

** Affects: nvidia-graphics-drivers-550 (Ubuntu Mantic)
 Importance: Undecided
 Status: New

** Affects: nvidia-graphics-drivers-550 (Ubuntu Noble)
 Importance: Undecided
 Status: New

** Also affects: nvidia-graphics-drivers-550 (Ubuntu Noble)
   Importance: Undecided
   Status: New

** Also affects: nvidia-graphics-drivers-550 (Ubuntu Jammy)
   Importance: Undecided
   Status: New

** Also affects: nvidia-graphics-drivers-550 (Ubuntu Focal)
   Importance: Undecided
   Status: New

** Also affects: nvidia-graphics-drivers-550 (Ubuntu Bionic)
   Importance: Undecided
   Status: New

** Also affects: nvidia-graphics-drivers-550 (Ubuntu Mantic)
   Importance: Undecided
   Status: New

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Title:
  New upstream relase 550.76

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[Bug 2062384] Re: mlxbf-gige: autonegotiation fails to complete on BF2

2024-04-18 Thread Bartlomiej Zolnierkiewicz
** Also affects: linux-bluefield (Ubuntu Jammy)
   Importance: Undecided
   Status: New

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  mlxbf-gige: autonegotiation fails to complete on BF2

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[Bug 2059310] Re: mlxbf_gige: call request_irq() after NAPI initialized

2024-04-04 Thread Bartlomiej Zolnierkiewicz
** Changed in: linux-bluefield (Ubuntu Jammy)
   Status: New => Fix Committed

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Title:
  mlxbf_gige: call request_irq() after NAPI initialized

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[Bug 2059279] Re: mlxbf_gige: replace SAUCE patch for pause frame counters

2024-04-04 Thread Bartlomiej Zolnierkiewicz
** Also affects: linux-bluefield (Ubuntu Jammy)
   Importance: Undecided
   Status: New

** Changed in: linux-bluefield (Ubuntu Jammy)
   Status: New => Fix Committed

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Title:
  mlxbf_gige: replace SAUCE patch for pause frame counters

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[Bug 2058498] Re: pwr-mlxbf: support Bobcat graceful shutdown via gpio6

2024-04-04 Thread Bartlomiej Zolnierkiewicz
** Also affects: linux-bluefield (Ubuntu Jammy)
   Importance: Undecided
   Status: New

** Changed in: linux-bluefield (Ubuntu Jammy)
   Status: New => Fix Committed

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Title:
  pwr-mlxbf: support Bobcat graceful shutdown via gpio6

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[Bug 2059951] Re: mlxbf_gige: stop interface during shutdown

2024-04-04 Thread Bartlomiej Zolnierkiewicz
** Changed in: linux-bluefield (Ubuntu Jammy)
   Status: New => Fix Committed

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Title:
  mlxbf_gige: stop interface during shutdown

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[Bug 2059961] Re: genetlink: fix single op policy dump when do is present

2024-04-04 Thread Bartlomiej Zolnierkiewicz
** Changed in: linux-bluefield (Ubuntu Jammy)
   Status: New => Fix Committed

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Title:
  genetlink: fix single op policy dump when do is present

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[Bug 2059951] Re: mlxbf_gige: stop interface during shutdown

2024-04-02 Thread Bartlomiej Zolnierkiewicz
** Also affects: linux-bluefield (Ubuntu Jammy)
   Importance: Undecided
   Status: New

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  mlxbf_gige: stop interface during shutdown

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[Bug 2059961] Re: genetlink: fix single op policy dump when do is present

2024-04-02 Thread Bartlomiej Zolnierkiewicz
** Also affects: linux-bluefield (Ubuntu Jammy)
   Importance: Undecided
   Status: New

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  genetlink: fix single op policy dump when do is present

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[Bug 2059310] Re: mlxbf_gige: call request_irq() after NAPI initialized

2024-04-02 Thread Bartlomiej Zolnierkiewicz
** Also affects: linux-bluefield (Ubuntu Jammy)
   Importance: Undecided
   Status: New

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Title:
  mlxbf_gige: call request_irq() after NAPI initialized

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[Bug 2059147] [NEW] New upstream relase 535.171.04

2024-03-26 Thread Bartlomiej Zolnierkiewicz
Public bug reported:

[Impact]
These releases provide both bug fixes and new features, and we would like to
make sure all of our users have access to these improvements.

See the changelog entry below for a full list of changes and bugs.

[Test Case]
The following development and SRU process was followed:
https://wiki.ubuntu.com/NVidiaUpdates

Certification test suite must pass on a range of hardware:
https://git.launchpad.net/plainbox-provider-sru/tree/units/sru.pxu

The QA team that executed the tests will be in charge of attaching the
artifacts and console output of the appropriate run to the bug. nVidia
maintainers team members will not mark ‘verification-done’ until this
has happened.

[Regression Potential]
In order to mitigate the regression potential, the results of the
aforementioned system level tests are attached to this bug.

[Discussion]

[Changelog]

** Affects: nvidia-graphics-drivers-535 (Ubuntu)
 Importance: Undecided
 Status: New

** Affects: nvidia-graphics-drivers-535 (Ubuntu Bionic)
 Importance: Undecided
 Status: New

** Affects: nvidia-graphics-drivers-535 (Ubuntu Focal)
 Importance: Undecided
 Status: New

** Affects: nvidia-graphics-drivers-535 (Ubuntu Jammy)
 Importance: Undecided
 Status: New

** Affects: nvidia-graphics-drivers-535 (Ubuntu Mantic)
 Importance: Undecided
 Status: New

** Affects: nvidia-graphics-drivers-535 (Ubuntu Noble)
 Importance: Undecided
 Status: New

** Also affects: nvidia-graphics-drivers-535 (Ubuntu Bionic)
   Importance: Undecided
   Status: New

** Also affects: nvidia-graphics-drivers-535 (Ubuntu Mantic)
   Importance: Undecided
   Status: New

** Also affects: nvidia-graphics-drivers-535 (Ubuntu Noble)
   Importance: Undecided
   Status: New

** Also affects: nvidia-graphics-drivers-535 (Ubuntu Jammy)
   Importance: Undecided
   Status: New

** Also affects: nvidia-graphics-drivers-535 (Ubuntu Focal)
   Importance: Undecided
   Status: New

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  New upstream relase 535.171.04

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[Bug 2054845] Re: mlxbf-gige: support fixed phy for Bobcat

2024-03-19 Thread Bartlomiej Zolnierkiewicz
** Changed in: linux-bluefield (Ubuntu Jammy)
   Status: New => Fix Committed

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Title:
  mlxbf-gige: support fixed phy for Bobcat

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[Bug 2053155] Re: Add DPLL and syncE support

2024-03-19 Thread Bartlomiej Zolnierkiewicz
** Changed in: linux-bluefield (Ubuntu Jammy)
   Status: New => Fix Committed

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Title:
  Add DPLL and syncE support

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[Bug 2055052] Re: net/sched: flower: Add lock protection when remove filter handle

2024-03-19 Thread Bartlomiej Zolnierkiewicz
** Changed in: linux-bluefield (Ubuntu Jammy)
   Status: New => Fix Committed

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Title:
  net/sched: flower: Add lock protection when remove filter handle

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[Bug 2055086] Re: mlxbf_gige: add support for pause frame counters

2024-03-19 Thread Bartlomiej Zolnierkiewicz
** Changed in: linux-bluefield (Ubuntu Jammy)
   Status: New => Fix Committed

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Title:
  mlxbf_gige: add support for pause frame counters

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[Bug 2056364] Re: Add test script for DPLL

2024-03-19 Thread Bartlomiej Zolnierkiewicz
** Changed in: linux-bluefield (Ubuntu Jammy)
   Status: New => Fix Committed

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Title:
  Add test script for DPLL

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[Bug 2056718] Re: openvswitch gentling validation warning: missing .resv_start_op

2024-03-19 Thread Bartlomiej Zolnierkiewicz
** Changed in: linux-bluefield (Ubuntu Jammy)
   Status: New => Fix Committed

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Title:
  openvswitch gentling validation warning: missing .resv_start_op

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[Bug 2056718] Re: openvswitch gentling validation warning: missing .resv_start_op

2024-03-12 Thread Bartlomiej Zolnierkiewicz
** Also affects: linux-bluefield (Ubuntu Jammy)
   Importance: Undecided
   Status: New

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Title:
  openvswitch gentling validation warning: missing .resv_start_op

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[Bug 2056364] Re: Add test script for DPLL

2024-03-07 Thread Bartlomiej Zolnierkiewicz
** Also affects: linux-bluefield (Ubuntu Jammy)
   Importance: Undecided
   Status: New

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Title:
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[Bug 2055086] Re: mlxbf_gige: add support for pause frame counters

2024-02-29 Thread Bartlomiej Zolnierkiewicz
** Also affects: linux-bluefield (Ubuntu Jammy)
   Importance: Undecided
   Status: New

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Title:
  mlxbf_gige: add support for pause frame counters

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[Bug 2055052] Re: net/sched: flower: Add lock protection when remove filter handle

2024-02-27 Thread Bartlomiej Zolnierkiewicz
** Also affects: linux-bluefield (Ubuntu Jammy)
   Importance: Undecided
   Status: New

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Title:
  net/sched: flower: Add lock protection when remove filter handle

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[Bug 2054845] Re: mlxbf-gige: support fixed phy for Bobcat

2024-02-26 Thread Bartlomiej Zolnierkiewicz
** Also affects: linux-bluefield (Ubuntu Jammy)
   Importance: Undecided
   Status: New

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Title:
  mlxbf-gige: support fixed phy for Bobcat

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[Bug 1897764] Re: mem-on-off-test.sh from memory-hotplug in ubuntu_kernel_selftests failed on X-gcp-4.15 / F-5.4 zVM

2022-05-09 Thread Bartlomiej Zolnierkiewicz
Also seen in bionic linux-ibm-5.4 5.4.0-1021.23~18.04.1 for sru-20220418

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Title:
  mem-on-off-test.sh from memory-hotplug in ubuntu_kernel_selftests
  failed on X-gcp-4.15 / F-5.4 zVM

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[Bug 1837348] Re: test_vxlan_under_vrf.sh in net from ubuntu_kernel_selftests failed with KVM kernels - Error: Unknown device type (missing config)

2022-05-09 Thread Bartlomiej Zolnierkiewicz
Also seen in bionic linux-ibm-5.4 5.4.0-1021.23~18.04.1 for sru-20220418

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Title:
  test_vxlan_under_vrf.sh in net from ubuntu_kernel_selftests failed
  with KVM kernels - Error: Unknown device type (missing config)

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[Bug 1952234] Re: linux-azure: add Icelake servers support in no-HWP mode to cpufreq/intel_pstate driver

2022-01-04 Thread Bartlomiej Zolnierkiewicz
** Tags removed: verification-needed-bionic verification-needed-focal 
verification-needed-hirsute verification-needed-impish
** Tags added: verification-done-bionic verification-done-focal 
verification-done-hirsute verification-done-impish

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Title:
  linux-azure: add Icelake servers support in no-HWP mode to
  cpufreq/intel_pstate driver

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[Bug 1897764] Re: mem-on-off-test.sh from memory-hotplug in ubuntu_kernel_selftests failed on X-gcp-4.15 / F-5.4 zVM

2021-12-16 Thread Bartlomiej Zolnierkiewicz
Observed also on 2021.11.29/focal/linux-gcp/5.4.0-1059.63 on f1-micro
and g1-small instances

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  mem-on-off-test.sh from memory-hotplug in ubuntu_kernel_selftests
  failed on X-gcp-4.15 / F-5.4 zVM

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[Bug 1812189] Re: test_bpf in net from ubuntu_kernel_selftests failed on cloud kernels

2021-12-16 Thread Bartlomiej Zolnierkiewicz
Observed also on 2021.11.29/focal/linux-gcp/5.4.0-1059.63

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Title:
  test_bpf in net from ubuntu_kernel_selftests failed on cloud kernels

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[Bug 1851619] Re: test_blackhole_dev from net in ubuntu_kernel_selftests failed on B-GCP 5.3 / F-GKE 5.4

2021-12-16 Thread Bartlomiej Zolnierkiewicz
Observed also on 2021.11.29/focal/linux-gcp/5.4.0-1059.63

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Title:
  test_blackhole_dev from net in ubuntu_kernel_selftests failed on B-GCP
  5.3 / F-GKE 5.4

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[Bug 1951924] Re: linux-azure 4.15 fails to boot on Standard_M416s_v2 in Azure

2021-12-10 Thread Bartlomiej Zolnierkiewicz
[SRU Justification]

[Impact]

Current linux-azure-4.15 kernel in bionic fails to boot
Standard_M416s_v2 VM because of x2apic being disabled:

[0.00] x2apic: IRQ remapping doesn't support X2APIC mode
[0.00] unchecked MSR access error: WRMSR to 0x1b (tried to write 
0xfee00100) at rIP: 0x9325d1f8 (native_write_msr+0x8/0x30)
[0.00] Call Trace:
[0.00]  __x2apic_disable.part.5+0x49/0x80
[0.00]  enable_IR_x2apic+0x123/0x18c
[0.00]  default_setup_apic_routing+0x16/0x73
[0.00]  apic_intr_mode_init+0x84/0x91
[0.00]  x86_late_time_init+0x24/0x2b
[0.00]  start_kernel+0x444/0x505
[0.00]  x86_64_start_reservations+0x24/0x26
[0.00]  x86_64_start_kernel+0x74/0x77
[0.00]  secondary_startup_64+0xa5/0xb0
[0.00] x2apic disabled
[0.00] Switched APIC routing to physical flat.

[Test Plan]

Run updated kernel (with x2apic support backported from linux-azure-5.4
kernel).

It should boot fine and display:

[0.00] Setting APIC routing to physical x2apic.

[Where problems could occur]

Potentially x2apic may now be used on other VM instances.

[Other Info]

None.

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  linux-azure 4.15 fails to boot on Standard_M416s_v2 in Azure

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[Bug 1952234] [NEW] linux-azure: add Icelake servers support in no-HWP mode to cpufreq/intel_pstate driver

2021-11-25 Thread Bartlomiej Zolnierkiewicz
Public bug reported:

[SRU Justification]

[Impact]

Starting with the AH2020 Azure host build, Hyper-V is virtualizing some
registers that provide information about the CPU frequency. The
registers are read-only in a guest VM, so the guest can see the
frequency, but cannot make any modifications.

This feature also requires that the VM Configuration Version be 9.2 or
later, which means it needs to be a new VM type, such as the just
introduced Dv5/Ev5 series, and the new M832v2 VMs.

Within the Linux VM, the presence of the feature is indicated by the
“aperfmperf” flag in the “lscpu” flags output (or in the flags field in
/proc/cpuinfo).

It turns out there is a Linux kernel limitation when running on the new
Intel IceLake processors used for the Dv5/Ev5 series. Upstream commit
fbdc21e9b038 was added to provide IceLake support in the 5.14 kernel.

Microsoft has asked to backport fbdc21e9b038 commit to all supported
kernels.

[Test Plan]

Run Intel IceLake based VM and check the "aperfmperf" flag in the
"lscpu" flags output.

Without the patch the intel_pstate directory is missing from
/sys/devices/system/cpu/ and /sys/devices/system/cpu/cpufreq/ is empty.

[Where problems could occur]

* intel_pstate driver is always used on Intel IceLake based VMs without
checking for presence of "aperfmperf" CPU flag.

* In earlier (5.4 and 4.15) linux-azure kernels when intel_pstate driver
is used it is in "active" mode instead of "passive" one (as reported by
"cat /sys/devices/system/cpu/intel_pstate/status", also "cat
/sys/devices/system/cpu/cpufreq/policy0/scaling_driver" returns
"intel_pstate" instead of "intel_cpufreq" which is the expected behavior
when in "active" mode).

If a consistent behavior across all kernel versions is desired commit
33aa46f252c7 ("cpufreq: intel_pstate: Use passive mode by default
without HWP") from the upstream should probably also be backported.

* /sys/devices/system/cpu/cpufreq/policy*/scaling_{min,max}_freq files
can be modified and the values reported by kernel will no longer match
the values used by hardware.

[Other Info]

None.

** Affects: linux-azure (Ubuntu)
 Importance: Undecided
 Status: New

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  linux-azure: add Icelake servers support in no-HWP mode to
  cpufreq/intel_pstate driver

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