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Bug#1040416: linux-image-6.1.0-9-amd64: Under heavy load Debian V12 and V11 causes data corruption on XFS filesystems.

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On Thu, Nov 02, 2023 at 03:37:39PM +0100, Diederik de Haas wrote:
> Control: tag -1 moreinfo
> 
> On Wednesday, 5 July 2023 19:07:15 CET Jose M Calhariz wrote:
> > Package: src:linux
> > Version: 6.1.27-1
> 
> Can you try with the latest version in the 6.1.x series to see if the problem 
> is still there?

As I need to setup ASAP the servers in production I do not know if I
have time in the next days.  It works with backports kernels.

The latest kernels I tested were:

Fail : Linux afs31 6.1.0-10-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.1.37-1 (2023-07-03) x86_64 GNU/Linux

OK : Linux afs31 6.4.0-0.deb12.2-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.4.4-3~bpo12+1 (2023-08-08) x86_64 GNU/Linux



> 
> > On this hardware I am chasing a data corruption for several months on
> > Debian V11 and Debian v12.  Now that I was pointed that linux kernel
> > had some problems with XFS solved in later 6.3 kernel I can reproduce
> > the problem.
> > 
> > It seams the problem went away with current Debian testing kernel:
> > 
> > ii  linux-image-6.3.0-1-amd64            6.3.7-1      amd64        Linux 6.3
> > for 64-bit PCs (signed)
> > 
> > Is there anyone willing to backport the XFS fixes into
> > linux-image-6.1.0 and linux-image-5.10.0?
> 
> If the problem is still present in the latest 6.1 kernel, then you need to find 
> out which patch(es) actually fix the problem.
> The easiest way to start with that is to find the last kernel which exhibits 
> the issue and then the first one where it is fixed.
> https://snapshot.debian.org/binary/linux-image-amd64/ should help
> with that.

The bug is present on Debian v11 too.  So is an old bug with fixes on
kernel 6.2 rc something.

> 
> When the range has been narrowed, a `git bisect` should identify the specific 
> commit(s) which fixes the issue.
> https://wiki.debian.org/DebianKernel/GitBisect should help with that
> 
> When that/those have been identified, it should be reported to the upstream 
> kernel so that they can incorporate those fixes in their LTS kernel(s) which 
> Debian then will pick up automatically.
> 
> HTH



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	de vos e por vos

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Bug#1040416: linux-image-6.1.0-9-amd64: Under heavy load Debian V12 and V11 causes data corruption on XFS filesystems. Diederik de Haas <didi.debian@cknow.org> - 2023-11-02 15:50 +0100
  Bug#1040416: linux-image-6.1.0-9-amd64: Under heavy load Debian V12 and V11 causes data corruption on XFS filesystems. Jose M Calhariz <jose.calhariz@tecnico.ulisboa.pt> - 2023-11-02 18:20 +0100
    Bug#1040416: linux-image-6.1.0-9-amd64: Under heavy load Debian V12 and V11 causes data corruption on XFS filesystems. Diederik de Haas <didi.debian@cknow.org> - 2023-11-02 20:00 +0100
      Bug#1040416: linux-image-6.1.0-9-amd64: Under heavy load Debian V12 and V11 causes data corruption on XFS filesystems. Jose M Calhariz <jose.calhariz@tecnico.ulisboa.pt> - 2023-11-04 20:40 +0100
        Bug#1040416: linux-image-6.1.0-9-amd64: Under heavy load Debian V12 and V11 causes data corruption on XFS filesystems. Diederik de Haas <didi.debian@cknow.org> - 2023-11-07 20:40 +0100
          Bug#1040416: linux-image-6.1.0-9-amd64: Under heavy load Debian V12 and V11 causes data corruption on XFS filesystems. Jose M Calhariz <jose.calhariz@tecnico.ulisboa.pt> - 2023-11-08 17:10 +0100

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