This bug was fixed in the package linux - 4.15.0-12.13
---
linux (4.15.0-12.13) bionic; urgency=medium
* linux: 4.15.0-12.13 -proposed tracker (LP: #1754059)
* CONFIG_EFI=y on armhf (LP: #1726362)
- [Config] CONFIG_EFI=y on armhf, reconcile secureboot EFI settings
*
** Also affects: linux (Ubuntu Bionic)
Importance: Undecided
Assignee: Daniel Axtens (daxtens)
Status: Confirmed
** Changed in: linux (Ubuntu Bionic)
Status: Confirmed => Fix Committed
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Hawei team just tested and verified this bug on 4.15.0-10-generic kernel
on D05 server.
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https://bugs.launchpad.net/bugs/1738334
Title:
hisilicon hibmc regression due to ea642c3216cb
Call traces for this bug on D05 for kernel 4.15.0-10-generic which
tested on 1 March 2018 on 18.04 daily build
** Attachment added: "Call traces for this bug on D05 for kernel
4.15.0-10-generic which tested on 1 March 2018 on 18.04 daily build"
** Description changed:
[SRU Justification]
[Impact]
- On Artful kernels, X fails to start and a kernel splat is printed.
+ On Artful and Bionic kernels, X fails to start and a kernel splat is printed.
This is cbecause ea642c3216cb ("drm/ttm: add io_mem_pfn callback") is
incomplete:
Hi Fred,
Thanks for the update. I have tried to nominate the bug for Bionic; I
think the kernel team normally does this so we will see if that has
worked.
More importantly, I will test and send a patch for Bionic shortly.
Regards,
Daniel
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hi daniel
this bug also affect this ubuntu 18.04.0 version which using bionic
kernel branch(kernel 4.15), because this patchset have merged into
mainline linus kernel 4.16rc1 (after kernel 4.15).
I want to add this bionic tag, but i fail it. Can you add this bionic
tag to merge this patchset
** Also affects: linux
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1738334
Title:
hisilicon hibmc regression due to ea642c3216cb ("drm/ttm: add
This bug was fixed in the package linux - 4.13.0-36.40
---
linux (4.13.0-36.40) artful; urgency=medium
* linux: 4.13.0-36.40 -proposed tracker (LP: #1750010)
* Rebuild without "CVE-2017-5754 ARM64 KPTI fixes" patch set
linux (4.13.0-35.39) artful; urgency=medium
* linux:
Hi,
I installed 4.13.0-35-generic from artful-proposed. The kernel boots and
X starts fine, so this has passed verification.
Regards,
Daniel
** Tags removed: verification-needed-artful
** Tags added: verification-done-artful
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This bug is awaiting verification that the kernel in -proposed solves
the problem. Please test the kernel and update this bug with the
results. If the problem is solved, change the tag 'verification-needed-
artful' to 'verification-done-artful'. If the problem still exists,
change the tag
** Changed in: linux (Ubuntu Artful)
Status: New => Fix Committed
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https://bugs.launchpad.net/bugs/1738334
Title:
hisilicon hibmc regression due to ea642c3216cb ("drm/ttm: add
** Also affects: linux (Ubuntu Artful)
Importance: Undecided
Status: New
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Title:
hisilicon hibmc regression due to ea642c3216cb
It is good to update to "Fred" (Xin Wei) off-line and thank you very much
for it.
On Tue, Jan 23, 2018 at 8:46 AM, Daniel Axtens
wrote:
> I have talked to the kernel team about this and updated Fred off-line.
>
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I have talked to the kernel team about this and updated Fred off-line.
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Title:
hisilicon hibmc regression due to ea642c3216cb ("drm/ttm: add
whether this patchset will merge into ubuntu 16.04.4 version or not? this
patchset will important for our DO5 board, Can you check it please?
thank you
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This patch have been accepted to be merged in in kernel V4.16. Please
refer to: https://lkml.org/lkml/2017/12/25/24
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Title:
hisilicon hibmc
** Description changed:
- ea642c3216cb ("drm/ttm: add io_mem_pfn callback") is incomplete: the
- hisilicon hibmc driver does not contain the callback and so X does not
- start.
+ [SRU Justification]
- Discussion and potential fix at https://lists.freedesktop.org/archives
-
Notes and some more detail for this bug/patch:
The bug is from/caused by 4.12 DRM architecture, the main line commit
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?h=v4.15-rc3=ea642c3216cb2a60d1c0e760ae47ee85c9c16447
It will cause x-window start hanged, the detail
This patch need to merged and fixed for the release 16.04.04. The final
SRU4 windows is 8 Dec. to 6 Jan 2018.
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Title:
hisilicon hibmc regression
Confirmed - the symptom is a kernel splat about "Attempting to execute
userspace memory" triggered by Xorg with LR in ttm_bo_vm_fault - see
attached screenshot (sorry!)
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
** Attachment added: "splat.png"
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