This bug was fixed in the package linux - 4.13.0-38.43
---
linux (4.13.0-38.43) artful; urgency=medium
* linux: 4.13.0-38.43 -proposed tracker (LP: #1755762)
* Servers going OOM after updating kernel from 4.10 to 4.13 (LP: #1748408)
- i40e: Fix memory leak related filter prog
Kernel 4.13.0-38-generic #43-Ubuntu SMP Wed Mar 14 15:23:42 UTC 2018
i686 i686 i686 GNU/Linux
from artful-proposed is working.
** 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 'verifica
** Changed in: linux (Ubuntu)
Status: Confirmed => Fix Released
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Title:
DVB Card with SAA7146 chipset not working
To manage notifications
** Also affects: linux (Ubuntu Artful)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu Artful)
Status: New => Fix Committed
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** Description changed:
- After upgrading to 17.10 (from 16.04 with 4.4 kernel) my PCI DVB card
- Terratec Cinergy DVB-1200 with SAA7146 chipset is not working anymore.
- There is a kernel bug message while booting and no /dev/dvb device is
- created. Tried also with newest mainline 4.14 kernel -
No not really.
I'll backport the patch once it's in Linus' tree.
** Changed in: linux (Ubuntu)
Assignee: (unassigned) => Kai-Heng Feng (kaihengfeng)
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Thanks, finally it's working. Do you need some additional infos/logs?
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Title:
DVB Card with SAA7146 chipset not working
To manage notifications
Please try this kernel,
http://people.canonical.com/~khfeng/lp1742316-i386-3/
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Title:
DVB Card with SAA7146 chipset not working
To manage notifi
https://lkml.org/lkml/2018/2/8/19
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Title:
DVB Card with SAA7146 chipset not working
To manage notifications about this bug go to:
https://bugs.l
The problem is that the commit you bisected implicitly use GFP_HIGHMEM
mask. A later commit, tries to alleviate the issue by not setting
GFP_HIGHMEM when GFP_DMA or GFP_DMA32 is set,
commit 704b862f9efd6d4c87a8d0a344dda19bda9c6b69
Author: Laura Abbott
Date: Fri Aug 18 15:16:27 2017 -0700
m
Sorry, this won't do it.
Can I help with some other logfiles?
[5.493739] [ cut here ]
[5.493742] kernel BUG at
/home/khfeng/Sources/linux-lp1742316-saa7146/drivers/media/common/saa7146/saa7146_core.c:164!
[5.493760] invalid opcode: [#1] SMP
[5.493764]
Hmmpf, please try this one,
people.canonical.com/~khfeng/lp1742316-dma/
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Title:
DVB Card with SAA7146 chipset not working
To manage notification
Thanks for your work, but the bug is still triggered - new codeline at
least ;-)
[5.405637] [ cut here ]
[5.405643] kernel BUG at
/home/khfeng/Sources/linux-lp1742316-saa7146/drivers/media/common/saa7146/saa7146_core.c:164!
[5.405671] invalid opcode: [#1]
We need to use GFP_DMA32 for vmalloc, please try this kernel,
people.canonical.com/~khfeng/lp1742316-dma32/
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Title:
DVB Card with SAA7146 chipse
Unfortunately it's not working, but the bug is at another codeline, so
maybe another problem? Or the same problem is in the code multiple
times?
[ cut here ]
[5.990508] kernel BUG at
/home/khfeng/Sources/linux-lp1742316-saa7146/drivers/media/common/saa7146/saa7146_cor
Hmm I think my previous kernel won't work because your system is 32bit.
I'll build a new one soon.
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Title:
DVB Card with SAA7146 chipset not work
Please try this kernel,
http://people.canonical.com/~khfeng/lp1742316-i386-2/
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Title:
DVB Card with SAA7146 chipset not working
To manage notifi
It took 14 steps, but finally here is the possible culprit:
19809c2da28aee5860ad9a2eff760730a0710df0 is the first bad commit
commit 19809c2da28aee5860ad9a2eff760730a0710df0
Author: Michal Hocko
Date: Mon May 8 15:57:44 2017 -0700
mm, vmalloc: use __GFP_HIGHMEM implicitly
__vmalloc
$ git clone git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
$ cd linux
$ git bisect start
$ git bisect good v4.11
$ git bisect bad v4.12-rc1
$ make localmodconfig
$ make -j`nproc` deb-pkg
Install the newly built kernel.
If the issue still happens,
$ git bisect bad
Otherwise,
$ git
Thanks for trying, but unfortunately your kernel does not resolve the
problem:
4.13.0-32-generic #35~lp1742316 SMP Fri Jan 26 21:40:59 CST 2018 i686
i686 i686 GNU/Linux
[6.429543] [ cut here ]
[6.429548] kernel BUG at
/home/khfeng/Sources/linux-lp1742316-saa7146/
There you go,
http://people.canonical.com/~khfeng/lp1742316-i386/
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Title:
DVB Card with SAA7146 chipset not working
To manage notifications abou
Thanks for your work, but could you build the kernel for i386 platform,
as my system (Atom D2700) does not support amd64 due to bios
restrictions?
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Please try kernel here:
http://people.canonical.com/~khfeng/lp1742316/
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Title:
DVB Card with SAA7146 chipset not working
To manage notifications
I've tried some of the mainline kernels and finally got to this situation:
last working kernel: v4.11.12 mainline build [1]
first non working kernel: v4.12-rc1 mainline build [2]
Hope that will help to find the bug.
[1] http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.11.12/
[2] http://kernel.ubu
Please follow [1] to find the first bad -rc kernel.
Then we can use `git bisect` to find the first bad commit.
[1] https://wiki.ubuntu.com/Kernel/KernelBisection
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Unfortunatly the same problem:
[6.201796] [ cut here ]
[6.201799] kernel BUG at
/home/kernel/COD/linux/drivers/media/common/saa7146/saa7146_core.c:163!
[6.201812] invalid opcode: [#1] SMP
[6.201814] Modules linked in: snd_hda_codec_generic snd_hda_inte
Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v4.15 kernel[0].
If this bug is fixed in the mainline kernel, please add the following
tag 'kernel-fixed-upstream'.
If the mainline kernel does not fix t
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