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Re: [dm-devel] Page Allocation Failures/OOM with dm-crypt on software RAID10 (Intel Rapid Storage)

From Matthias Dahl <ml_linux-kernel@binary-island.eu>
Newsgroups linux.kernel
Subject Re: [dm-devel] Page Allocation Failures/OOM with dm-crypt on software RAID10 (Intel Rapid Storage)
Date 2016-07-13 20:30 +0200
Message-ID <rUx4Z-6Li-9@gated-at.bofh.it> (permalink)
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Hello Ondrej...

On 2016-07-13 18:24, Ondrej Kozina wrote:

> One step after another.

Sorry, it was not meant to be rude or anything... more frustration
since I cannot be of more help and I really would like to jump in
head-first and help fixing it... but lack the necessary insight into
the kernel internals. But who knows, I started reading Robert Love's
book... so, in a good decade or so. ;-))

> https://marc.info/?l=linux-mm&m=146825178722612&w=2

Thanks for that link. I have to read those more closely tomorrow, since
there are some nice insights into dm-crypt there. :)

Still, you have to admit, it is also rather frustrating/scary if such
a crucial subsystem can have bugs over several major versions that do
result in complete hangs (and can thus cause corruption) and are quite
easily triggerable. It does not instill too much confidence that said
subsystem is so intensively used/tested after all. That's at least how
I feel about it...

So long,
Matthias

-- 
Dipl.-Inf. (FH) Matthias Dahl | Software Engineer | binary-island.eu
  services: custom software [desktop, mobile, web], server administration

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Re: Page Allocation Failures/OOM with dm-crypt on software RAID10  (Intel Rapid Storage) Michal Hocko <mhocko@kernel.org> - 2016-07-12 12:00 +0200
  Re: Page Allocation Failures/OOM with dm-crypt on software RAID10  (Intel Rapid Storage) Matthias Dahl <ml_linux-kernel@binary-island.eu> - 2016-07-12 13:30 +0200
    Re: Page Allocation Failures/OOM with dm-crypt on software RAID10  (Intel Rapid Storage) Michal Hocko <mhocko@kernel.org> - 2016-07-12 13:50 +0200
      Re: Page Allocation Failures/OOM with dm-crypt on software RAID10  (Intel Rapid Storage) Michal Hocko <mhocko@kernel.org> - 2016-07-12 14:00 +0200
      Re: Page Allocation Failures/OOM with dm-crypt on software RAID10  (Intel Rapid Storage) Matthias Dahl <ml_linux-kernel@binary-island.eu> - 2016-07-12 14:50 +0200
        Re: Page Allocation Failures/OOM with dm-crypt on software RAID10  (Intel Rapid Storage) Michal Hocko <mhocko@kernel.org> - 2016-07-12 16:10 +0200
          Re: Page Allocation Failures/OOM with dm-crypt on software RAID10  (Intel Rapid Storage) Michal Hocko <mhocko@kernel.org> - 2016-07-13 13:30 +0200
            Re: Page Allocation Failures/OOM with dm-crypt on software RAID10  (Intel Rapid Storage) Michal Hocko <mhocko@kernel.org> - 2016-07-13 14:30 +0200
              Re: Page Allocation Failures/OOM with dm-crypt on software RAID10  (Intel Rapid Storage) Matthias Dahl <ml_linux-kernel@binary-island.eu> - 2016-07-13 15:30 +0200
                Re: Page Allocation Failures/OOM with dm-crypt on software RAID10  (Intel Rapid Storage) Michal Hocko <mhocko@kernel.org> - 2016-07-13 15:50 +0200
                Re: Page Allocation Failures/OOM with dm-crypt on software RAID10  (Intel Rapid Storage) Matthias Dahl <ml_linux-kernel@binary-island.eu> - 2016-07-13 17:40 +0200
                Re: [dm-devel] Page Allocation Failures/OOM with dm-crypt on software  RAID10 (Intel Rapid Storage) Ondrej Kozina <okozina@redhat.com> - 2016-07-13 18:30 +0200
                Re: [dm-devel] Page Allocation Failures/OOM with dm-crypt on software  RAID10 (Intel Rapid Storage) Matthias Dahl <ml_linux-kernel@binary-island.eu> - 2016-07-13 20:30 +0200
                Re: Page Allocation Failures/OOM with dm-crypt on software RAID10  (Intel Rapid Storage) Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> - 2016-07-14 13:20 +0200
                Re: Page Allocation Failures/OOM with dm-crypt on software RAID10  (Intel Rapid Storage) with check/repair/sync Matthias Dahl <ml_linux-kernel@binary-island.eu> - 2016-07-15 09:20 +0200
                Re: Page Allocation Failures/OOM with dm-crypt on software RAID10  (Intel Rapid Storage) with check/repair/sync Matthias Dahl <ml_linux-kernel@binary-island.eu> - 2016-07-18 09:30 +0200

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