[Kernel-packages] [Bug 1749040] Re: KPTI-enabled kernel fails to boot on Cavium ThunderX CRB

2018-02-26 Thread dann frazier
** Attachment added: "4.16-rc3+ guest boot log"
   
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1749040/+attachment/5064176/+files/guest-boot.log

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Title:
  KPTI support for arm64 systems

Status in linux package in Ubuntu:
  Incomplete
Status in linux source package in Artful:
  In Progress
Status in linux source package in Bionic:
  Incomplete

Bug description:
  While regression testing the current linux-hwe proposed kernel
  (4.13.0-33.36~16.04.1), I found that it fails to boot on a Cavium
  ThunderX CRB. I've rebooted twice since upgrading from the current
  -updates kernel, and it's failed to boot both times, with different
  failure modes.

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[Kernel-packages] [Bug 1749040] Re: KPTI-enabled kernel fails to boot on Cavium ThunderX CRB

2018-02-26 Thread dann frazier
I'm able to reproduce the failure with an upstream kernel (4.16-rc3+ @
6f70eb2b00eb4), running on both the host and guest.

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Title:
  KPTI support for arm64 systems

Status in linux package in Ubuntu:
  Incomplete
Status in linux source package in Artful:
  In Progress
Status in linux source package in Bionic:
  Incomplete

Bug description:
  While regression testing the current linux-hwe proposed kernel
  (4.13.0-33.36~16.04.1), I found that it fails to boot on a Cavium
  ThunderX CRB. I've rebooted twice since upgrading from the current
  -updates kernel, and it's failed to boot both times, with different
  failure modes.

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[Kernel-packages] [Bug 1749040] Re: KPTI-enabled kernel fails to boot on Cavium ThunderX CRB

2018-02-26 Thread dann frazier
The virt test for D05 failing is unexpected. It looks like the updated
kernel fails to boot as a guest on HiSilicon D05 systems, and the crash
is in code that the KPTI patches introduced.

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Title:
  KPTI-enabled kernel fails to boot on Cavium ThunderX CRB

Status in linux package in Ubuntu:
  Incomplete
Status in linux source package in Artful:
  In Progress
Status in linux source package in Bionic:
  Incomplete

Bug description:
  While regression testing the current linux-hwe proposed kernel
  (4.13.0-33.36~16.04.1), I found that it fails to boot on a Cavium
  ThunderX CRB. I've rebooted twice since upgrading from the current
  -updates kernel, and it's failed to boot both times, with different
  failure modes.

To manage notifications about this bug go to:
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[Kernel-packages] [Bug 1749040] Re: KPTI-enabled kernel fails to boot on Cavium ThunderX CRB

2018-02-26 Thread Manoj Iyer
Test results from D05 Hisilicon board.

** Attachment added: "D05 HiSilicon"
   
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1749040/+attachment/5063513/+files/submission_2018-02-26T14.58.17.996524.html

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Title:
  KPTI-enabled kernel fails to boot on Cavium ThunderX CRB

Status in linux package in Ubuntu:
  Incomplete
Status in linux source package in Artful:
  In Progress
Status in linux source package in Bionic:
  Incomplete

Bug description:
  While regression testing the current linux-hwe proposed kernel
  (4.13.0-33.36~16.04.1), I found that it fails to boot on a Cavium
  ThunderX CRB. I've rebooted twice since upgrading from the current
  -updates kernel, and it's failed to boot both times, with different
  failure modes.

To manage notifications about this bug go to:
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Re: [Kernel-packages] [Bug 1749040] Re: KPTI-enabled kernel fails to boot on Cavium ThunderX CRB

2018-02-23 Thread dann frazier
On Fri, Feb 23, 2018 at 9:24 AM, Manoj Iyer <1749...@bugs.launchpad.net> wrote:
> On QTI QDF2400 I notice errors from xhci-hcd like:
>
> awrep6 login: [18851.092328] xhci-hcd QCOM8041:02: ERROR: unexpected setup 
> address command completion code 0x11.
> [18851.308402] xhci-hcd QCOM8041:02: ERROR: unexpected setup address command 
> completion code 0x11.
> [18851.530820] usb 5-1.4: device not accepting address 6, error -22
> [18852.128633] xhci-hcd QCOM8041:02: ERROR: unexpected setup address command 
> completion code 0x11.
> [18852.343093] xhci-hcd QCOM8041:02: ERROR: unexpected setup address command 
> completion code 0x11.

Is that also seen when running the current linux-hwe kernel?

> and OOM kills like:
>
> [20783.778840] Out of memory: Kill process 28248 (stress-ng) score 1075 or 
> sacrifice child
> [20783.785910] Killed process 28248 (stress-ng) total-vm:8354000kB, 
> anon-rss:6247552kB, file-rss:320kB, shmem-rss:64kB
> [20947.665955] Out of memory: Kill process 28310 (stress-ng) score 1066 or 
> sacrifice child
> [20947.673020] Killed process 28310 (stress-ng) total-vm:7347264kB, 
> anon-rss:3564612kB, file-rss:356kB, shmem-rss:64kB

I think that's normal, as long as the test passes.

 -dann

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Title:
  KPTI-enabled kernel fails to boot on Cavium ThunderX CRB

Status in linux package in Ubuntu:
  Incomplete
Status in linux source package in Artful:
  In Progress
Status in linux source package in Bionic:
  Incomplete

Bug description:
  While regression testing the current linux-hwe proposed kernel
  (4.13.0-33.36~16.04.1), I found that it fails to boot on a Cavium
  ThunderX CRB. I've rebooted twice since upgrading from the current
  -updates kernel, and it's failed to boot both times, with different
  failure modes.

To manage notifications about this bug go to:
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[Kernel-packages] [Bug 1749040] Re: KPTI-enabled kernel fails to boot on Cavium ThunderX CRB

2018-02-23 Thread Manoj Iyer
On QTI QDF2400 I notice errors from xhci-hcd like:

awrep6 login: [18851.092328] xhci-hcd QCOM8041:02: ERROR: unexpected setup 
address command completion code 0x11.
[18851.308402] xhci-hcd QCOM8041:02: ERROR: unexpected setup address command 
completion code 0x11.
[18851.530820] usb 5-1.4: device not accepting address 6, error -22
[18852.128633] xhci-hcd QCOM8041:02: ERROR: unexpected setup address command 
completion code 0x11.
[18852.343093] xhci-hcd QCOM8041:02: ERROR: unexpected setup address command 
completion code 0x11.

and OOM kills like:

[20783.778840] Out of memory: Kill process 28248 (stress-ng) score 1075 or 
sacrifice child
[20783.785910] Killed process 28248 (stress-ng) total-vm:8354000kB, 
anon-rss:6247552kB, file-rss:320kB, shmem-rss:64kB
[20947.665955] Out of memory: Kill process 28310 (stress-ng) score 1066 or 
sacrifice child
[20947.673020] Killed process 28310 (stress-ng) total-vm:7347264kB, 
anon-rss:3564612kB, file-rss:356kB, shmem-rss:64kB

I plan to reboot the system and re-run and report back here.


** Attachment added: "submission_2018-02-23T16.15.23.403621.html"
   
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1749040/+attachment/5061235/+files/submission_2018-02-23T16.15.23.403621.html

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Title:
  KPTI-enabled kernel fails to boot on Cavium ThunderX CRB

Status in linux package in Ubuntu:
  Incomplete
Status in linux source package in Artful:
  In Progress
Status in linux source package in Bionic:
  Incomplete

Bug description:
  While regression testing the current linux-hwe proposed kernel
  (4.13.0-33.36~16.04.1), I found that it fails to boot on a Cavium
  ThunderX CRB. I've rebooted twice since upgrading from the current
  -updates kernel, and it's failed to boot both times, with different
  failure modes.

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1749040/+subscriptions

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[Kernel-packages] [Bug 1749040] Re: KPTI-enabled kernel fails to boot on Cavium ThunderX CRB

2018-02-23 Thread dann frazier
** Also affects: linux (Ubuntu Bionic)
   Importance: Critical
   Status: Incomplete

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https://bugs.launchpad.net/bugs/1749040

Title:
  KPTI-enabled kernel fails to boot on Cavium ThunderX CRB

Status in linux package in Ubuntu:
  Incomplete
Status in linux source package in Artful:
  In Progress
Status in linux source package in Bionic:
  Incomplete

Bug description:
  While regression testing the current linux-hwe proposed kernel
  (4.13.0-33.36~16.04.1), I found that it fails to boot on a Cavium
  ThunderX CRB. I've rebooted twice since upgrading from the current
  -updates kernel, and it's failed to boot both times, with different
  failure modes.

To manage notifications about this bug go to:
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[Kernel-packages] [Bug 1749040] Re: KPTI-enabled kernel fails to boot on Cavium ThunderX CRB

2018-02-22 Thread dann frazier
The failure mentioned in Comment #15 is a test suite bug - see LP:
#1751167. I applied a hot-fix, re-ran the test, and it passed.

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Title:
  KPTI-enabled kernel fails to boot on Cavium ThunderX CRB

Status in linux package in Ubuntu:
  Incomplete
Status in linux source package in Artful:
  In Progress

Bug description:
  While regression testing the current linux-hwe proposed kernel
  (4.13.0-33.36~16.04.1), I found that it fails to boot on a Cavium
  ThunderX CRB. I've rebooted twice since upgrading from the current
  -updates kernel, and it's failed to boot both times, with different
  failure modes.

To manage notifications about this bug go to:
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[Kernel-packages] [Bug 1749040] Re: KPTI-enabled kernel fails to boot on Cavium ThunderX CRB

2018-02-22 Thread dann frazier
** Attachment added: "Gigabyte R120 (ACPI mode ThunderX)"
   
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1749040/+attachment/5060797/+files/submission_2018-02-23T00.42.57.591881.html

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Title:
  KPTI-enabled kernel fails to boot on Cavium ThunderX CRB

Status in linux package in Ubuntu:
  Incomplete
Status in linux source package in Artful:
  In Progress

Bug description:
  While regression testing the current linux-hwe proposed kernel
  (4.13.0-33.36~16.04.1), I found that it fails to boot on a Cavium
  ThunderX CRB. I've rebooted twice since upgrading from the current
  -updates kernel, and it's failed to boot both times, with different
  failure modes.

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1749040/+subscriptions

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[Kernel-packages] [Bug 1749040] Re: KPTI-enabled kernel fails to boot on Cavium ThunderX CRB

2018-02-22 Thread dann frazier
** Attachment added: "Cavium CRB (ThunderX) results"
   
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1749040/+attachment/5060796/+files/submission_2018-02-23T00.42.54.821054.html

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Title:
  KPTI-enabled kernel fails to boot on Cavium ThunderX CRB

Status in linux package in Ubuntu:
  Incomplete
Status in linux source package in Artful:
  In Progress

Bug description:
  While regression testing the current linux-hwe proposed kernel
  (4.13.0-33.36~16.04.1), I found that it fails to boot on a Cavium
  ThunderX CRB. I've rebooted twice since upgrading from the current
  -updates kernel, and it's failed to boot both times, with different
  failure modes.

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1749040/+subscriptions

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[Kernel-packages] [Bug 1749040] Re: KPTI-enabled kernel fails to boot on Cavium ThunderX CRB

2018-02-22 Thread dann frazier
1 unexpected failure on the HP m400 - disk/disk_stress_ng_sda. Needs
investigation.

** Attachment added: "Test results from an HP m400 (X-Gene) system"
   
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1749040/+attachment/5060703/+files/submission_2018-02-22T21.10.47.863617.html

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Title:
  KPTI-enabled kernel fails to boot on Cavium ThunderX CRB

Status in linux package in Ubuntu:
  Incomplete
Status in linux source package in Artful:
  In Progress

Bug description:
  While regression testing the current linux-hwe proposed kernel
  (4.13.0-33.36~16.04.1), I found that it fails to boot on a Cavium
  ThunderX CRB. I've rebooted twice since upgrading from the current
  -updates kernel, and it's failed to boot both times, with different
  failure modes.

To manage notifications about this bug go to:
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[Kernel-packages] [Bug 1749040] Re: KPTI-enabled kernel fails to boot on Cavium ThunderX CRB

2018-02-22 Thread dann frazier
** Attachment added: "Test results from a Cavium Sabre ThunderX2 system. All 
failures are expected."
   
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1749040/+attachment/5060398/+files/submission_2018-02-22T15.25.59.985213.html

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Title:
  KPTI-enabled kernel fails to boot on Cavium ThunderX CRB

Status in linux package in Ubuntu:
  Incomplete
Status in linux source package in Artful:
  In Progress

Bug description:
  While regression testing the current linux-hwe proposed kernel
  (4.13.0-33.36~16.04.1), I found that it fails to boot on a Cavium
  ThunderX CRB. I've rebooted twice since upgrading from the current
  -updates kernel, and it's failed to boot both times, with different
  failure modes.

To manage notifications about this bug go to:
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[Kernel-packages] [Bug 1749040] Re: KPTI-enabled kernel fails to boot on Cavium ThunderX CRB

2018-02-22 Thread dann frazier
Paolo has respun a new KPTI backport:
  
https://git.launchpad.net/~p-pisati/ubuntu/+source/linux/log/?h=artful-master-next-arm64-kpti-414-backport

A linux/artful test build is available at:
  ppa:p-pisati/arm64-kpti-backport

And a linux-hwe/xenial test build is available at:
  ppa:dannf/kpti

We're now in the process of regression testing across platforms, using
the Ubuntu cert tests.

** Summary changed:

- fails to boot on Cavium ThunderX CRB
+ KPTI-enabled kernel fails to boot on Cavium ThunderX CRB

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Title:
  KPTI-enabled kernel fails to boot on Cavium ThunderX CRB

Status in linux package in Ubuntu:
  Incomplete
Status in linux source package in Artful:
  In Progress

Bug description:
  While regression testing the current linux-hwe proposed kernel
  (4.13.0-33.36~16.04.1), I found that it fails to boot on a Cavium
  ThunderX CRB. I've rebooted twice since upgrading from the current
  -updates kernel, and it's failed to boot both times, with different
  failure modes.

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1749040/+subscriptions

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