[Bug 1742316] Re: DVB Card with SAA7146 chipset not working

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

[Bug 1742316] Re: DVB Card with SAA7146 chipset not working

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 -- You received this bug notification because you are a member of Ubuntu Bugs,

[Bug 1742316] Re: DVB Card with SAA7146 chipset not working

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

[Bug 1742316] Re: DVB Card with SAA7146 chipset not working

** Changed in: linux (Ubuntu) Status: Confirmed => Fix Released -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1742316 Title: DVB Card with SAA7146 chipset not working To manage

[Bug 1742316] Re: DVB Card with SAA7146 chipset not working

** Also affects: linux (Ubuntu Artful) Importance: Undecided Status: New ** Changed in: linux (Ubuntu Artful) Status: New => Fix Committed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu.

[Bug 1742316] Re: DVB Card with SAA7146 chipset not working

** 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 -

[Bug 1742316] Re: DVB Card with SAA7146 chipset not working

No not really. I'll backport the patch once it's in Linus' tree. ** Changed in: linux (Ubuntu) Assignee: (unassigned) => Kai-Heng Feng (kaihengfeng) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu.

[Bug 1742316] Re: DVB Card with SAA7146 chipset not working

Thanks, finally it's working. Do you need some additional infos/logs? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1742316 Title: DVB Card with SAA7146 chipset not working To manage notifications

[Bug 1742316] Re: DVB Card with SAA7146 chipset not working

Please try this kernel, http://people.canonical.com/~khfeng/lp1742316-i386-3/ -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1742316 Title: DVB Card with SAA7146 chipset not working To manage

[Bug 1742316] Re: DVB Card with SAA7146 chipset not working

https://lkml.org/lkml/2018/2/8/19 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1742316 Title: DVB Card with SAA7146 chipset not working To manage notifications about this bug go to:

[Bug 1742316] Re: DVB Card with SAA7146 chipset not working

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

[Bug 1742316] Re: DVB Card with SAA7146 chipset not working

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]

[Bug 1742316] Re: DVB Card with SAA7146 chipset not working

Hmmpf, please try this one, people.canonical.com/~khfeng/lp1742316-dma/ -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1742316 Title: DVB Card with SAA7146 chipset not working To manage

[Bug 1742316] Re: DVB Card with SAA7146 chipset not working

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]

[Bug 1742316] Re: DVB Card with SAA7146 chipset not working

We need to use GFP_DMA32 for vmalloc, please try this kernel, people.canonical.com/~khfeng/lp1742316-dma32/ -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1742316 Title: DVB Card with SAA7146

[Bug 1742316] Re: DVB Card with SAA7146 chipset not working

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

[Bug 1742316] Re: DVB Card with SAA7146 chipset not working

Hmm I think my previous kernel won't work because your system is 32bit. I'll build a new one soon. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1742316 Title: DVB Card with SAA7146 chipset not

[Bug 1742316] Re: DVB Card with SAA7146 chipset not working

Please try this kernel, http://people.canonical.com/~khfeng/lp1742316-i386-2/ -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1742316 Title: DVB Card with SAA7146 chipset not working To manage

[Bug 1742316] Re: DVB Card with SAA7146 chipset not working

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

[Bug 1742316] Re: DVB Card with SAA7146 chipset not working

$ 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

[Bug 1742316] Re: DVB Card with SAA7146 chipset not working

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

[Bug 1742316] Re: DVB Card with SAA7146 chipset not working

There you go, http://people.canonical.com/~khfeng/lp1742316-i386/ -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1742316 Title: DVB Card with SAA7146 chipset not working To manage notifications

[Bug 1742316] Re: DVB Card with SAA7146 chipset not working

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? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1742316

[Bug 1742316] Re: DVB Card with SAA7146 chipset not working

Please try kernel here: http://people.canonical.com/~khfeng/lp1742316/ -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1742316 Title: DVB Card with SAA7146 chipset not working To manage

[Bug 1742316] Re: DVB Card with SAA7146 chipset not working

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]

[Bug 1742316] Re: DVB Card with SAA7146 chipset not working

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 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu.

[Bug 1742316] Re: DVB Card with SAA7146 chipset not working

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

[Bug 1742316] Re: DVB Card with SAA7146 chipset not working

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