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Groups > linux.debian.kernel > #86753 > unrolled thread

Bug#1102248: [kernel] support of EDAC (Error Detection And Correction)

Started byJean-Marc LACROIX <jeanmarc.lacroix@free.fr>
First post2025-04-06 19:30 +0200
Last post2025-04-10 23:40 +0200
Articles 8 — 4 participants

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  Bug#1102248: [kernel] support of EDAC (Error Detection And Correction) Jean-Marc LACROIX <jeanmarc.lacroix@free.fr> - 2025-04-06 19:30 +0200
    Bug#1102248: [kernel] support of EDAC (Error Detection And Correction) Jean-Marc LACROIX <jeanmarc.lacroix@free.fr> - 2025-04-06 21:20 +0200
      Bug#1102248: [kernel] support of EDAC (Error Detection And Correction) Salvatore Bonaccorso <carnil@debian.org> - 2025-04-07 06:40 +0200
      Bug#1102248: [kernel] support of EDAC (Error Detection And Correction) Bastian Blank <waldi@debian.org> - 2025-04-07 20:40 +0200
    Processed: Re: Bug#1102248: [kernel] support of EDAC (Error  Detection And Correction) "Debian Bug Tracking System" <owner@bugs.debian.org> - 2025-04-06 21:20 +0200
    Bug#1102248: [kernel] support of EDAC (Error Detection And Correction) Salvatore Bonaccorso <carnil@debian.org> - 2025-04-06 21:20 +0200
      Bug#1102248: [kernel] support of EDAC (Error Detection And Correction) Jean-Marc LACROIX <jeanmarc.lacroix@free.fr> - 2025-04-07 18:40 +0200
    Bug#1102248: marked as done ([kernel] support of EDAC (Error  Detection And Correction)) "Debian Bug Tracking System" <owner@bugs.debian.org> - 2025-04-10 23:40 +0200

#86753 — Bug#1102248: [kernel] support of EDAC (Error Detection And Correction)

FromJean-Marc LACROIX <jeanmarc.lacroix@free.fr>
Date2025-04-06 19:30 +0200
SubjectBug#1102248: [kernel] support of EDAC (Error Detection And Correction)
Message-ID<KyBYK-bANd-13@gated-at.bofh.it>
Package: linux-image-amd64
Version: 6.1.129-1
Severity: wishlist

Dear kernel support team,

Could you please set CONFIG_EDAC_DEBUG (Error Detection And Correction) 
in kernel generation, so that it is possible to use ECC RAM when 
building NAS target with ZFS ?


ansible@hn-asusgl752-400:~$ uname -a
Linux hn-asusgl752-400 6.1.0-32-amd64 #1 SMP PREEMPT_DYNAMIC Debian 
6.1.129-1 (2025-03-06) x86_64 GNU/Linux


ansible@hn-asusgl752-400:~$ grep CONFIG_EDAC_DEBUG 
/boot/config-6.1.0-32-amd64
# CONFIG_EDAC_DEBUG is not set


ansible@hn-asusgl752-400:~$ cat /etc/debian_version
12.10


Thanks in advance

-- 
   -- Jean-Marc LACROIX  --
     -- mailto : jeanmarc.lacroix@free.fr   --

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#86758

FromJean-Marc LACROIX <jeanmarc.lacroix@free.fr>
Date2025-04-06 21:20 +0200
Message-ID<KyDHb-bC4V-13@gated-at.bofh.it>
In reply to#86753
Le 06/04/2025 à 21:10, Salvatore Bonaccorso a écrit :
> Control: tags -1 + moreinfo
> 
> On Sun, Apr 06, 2025 at 07:25:04PM +0200, Jean-Marc LACROIX wrote:
>> Package: linux-image-amd64
>> Version: 6.1.129-1
>> Severity: wishlist
>>
>> Dear kernel support team,
>>
>> Could you please set CONFIG_EDAC_DEBUG (Error Detection And Correction) in
>> kernel generation, so that it is possible to use ECC RAM when building NAS
>> target with ZFS ?
>>
>>
>> ansible@hn-asusgl752-400:~$ uname -a
>> Linux hn-asusgl752-400 6.1.0-32-amd64 #1 SMP PREEMPT_DYNAMIC Debian
>> 6.1.129-1 (2025-03-06) x86_64 GNU/Linux
>>
>>
>> ansible@hn-asusgl752-400:~$ grep CONFIG_EDAC_DEBUG
>> /boot/config-6.1.0-32-amd64
>> # CONFIG_EDAC_DEBUG is not set
> 
> Why would that be needed for building NAS target with ZFS?
> 
> The config option clearly describes:
> 
> config EDAC_DEBUG
>          bool "Debugging"
>          select DEBUG_FS
>          help
>            This turns on debugging information for the entire EDAC subsystem.
>            You do so by inserting edac_module with "edac_debug_level=x." Valid
>            levels are 0-4 (from low to high) and by default it is set to 2.
>            Usually you should select 'N' here.
> 
> Can you elaborate on why CONFIG_EDAC_DEBUG is needed?
> 
> Regards,
> Salvatore

It seems the this module is not available on standard Debian product

ansible@hn-asusgl752-400:~$ find /lib/modules/6.1.0-* -name edac_module
ansible@hn-asusgl752-400:~$


Regards
-- 
   -- Jean-Marc LACROIX  () --
     -- mailto : jeanmarc.lacroix@free.fr   --

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#86766

FromSalvatore Bonaccorso <carnil@debian.org>
Date2025-04-07 06:40 +0200
Message-ID<KyMr7-bI2H-3@gated-at.bofh.it>
In reply to#86758
HI Jean-Marc,,

On Sun, Apr 06, 2025 at 09:16:55PM +0200, Jean-Marc LACROIX wrote:
> Le 06/04/2025 à 21:10, Salvatore Bonaccorso a écrit :
> > Control: tags -1 + moreinfo
> > 
> > On Sun, Apr 06, 2025 at 07:25:04PM +0200, Jean-Marc LACROIX wrote:
> > > Package: linux-image-amd64
> > > Version: 6.1.129-1
> > > Severity: wishlist
> > > 
> > > Dear kernel support team,
> > > 
> > > Could you please set CONFIG_EDAC_DEBUG (Error Detection And Correction) in
> > > kernel generation, so that it is possible to use ECC RAM when building NAS
> > > target with ZFS ?
> > > 
> > > 
> > > ansible@hn-asusgl752-400:~$ uname -a
> > > Linux hn-asusgl752-400 6.1.0-32-amd64 #1 SMP PREEMPT_DYNAMIC Debian
> > > 6.1.129-1 (2025-03-06) x86_64 GNU/Linux
> > > 
> > > 
> > > ansible@hn-asusgl752-400:~$ grep CONFIG_EDAC_DEBUG
> > > /boot/config-6.1.0-32-amd64
> > > # CONFIG_EDAC_DEBUG is not set
> > 
> > Why would that be needed for building NAS target with ZFS?
> > 
> > The config option clearly describes:
> > 
> > config EDAC_DEBUG
> >          bool "Debugging"
> >          select DEBUG_FS
> >          help
> >            This turns on debugging information for the entire EDAC subsystem.
> >            You do so by inserting edac_module with "edac_debug_level=x." Valid
> >            levels are 0-4 (from low to high) and by default it is set to 2.
> >            Usually you should select 'N' here.
> > 
> > Can you elaborate on why CONFIG_EDAC_DEBUG is needed?
> > 
> > Regards,
> > Salvatore
> 
> It seems the this module is not available on standard Debian product
> 
> ansible@hn-asusgl752-400:~$ find /lib/modules/6.1.0-* -name edac_module
> ansible@hn-asusgl752-400:~$

That does not really answer my question ;-)

Again, CONFIG_EDA_DEBUG is debugging module, and I was wondering why
it is needed for working with NAS targets with ZFS. Can you elaborate?

Regards,
Salvatore

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#86773

FromBastian Blank <waldi@debian.org>
Date2025-04-07 20:40 +0200
Message-ID<KyZy1-bR7G-5@gated-at.bofh.it>
In reply to#86758
On Sun, Apr 06, 2025 at 09:16:55PM +0200, Jean-Marc LACROIX wrote:
> It seems the this module is not available on standard Debian product
> 
> ansible@hn-asusgl752-400:~$ find /lib/modules/6.1.0-* -name edac_module
> ansible@hn-asusgl752-400:~$

The module would be named "edac_core", but it is built-in since 4.19.

Bastian

-- 
Humans do claim a great deal for that particular emotion (love).
		-- Spock, "The Lights of Zetar", stardate 5725.6

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#86760 — Processed: Re: Bug#1102248: [kernel] support of EDAC (Error Detection And Correction)

From"Debian Bug Tracking System" <owner@bugs.debian.org>
Date2025-04-06 21:20 +0200
SubjectProcessed: Re: Bug#1102248: [kernel] support of EDAC (Error Detection And Correction)
Message-ID<KyDHc-bC4V-29@gated-at.bofh.it>
In reply to#86753
Processing control commands:

> tags -1 + moreinfo
Bug #1102248 [src:linux] [kernel] support of EDAC (Error Detection And Correction)
Added tag(s) moreinfo.

-- 
1102248: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1102248
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems

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#86761

FromSalvatore Bonaccorso <carnil@debian.org>
Date2025-04-06 21:20 +0200
Message-ID<KyDHb-bC4V-9@gated-at.bofh.it>
In reply to#86753
Control: tags -1 + moreinfo

On Sun, Apr 06, 2025 at 07:25:04PM +0200, Jean-Marc LACROIX wrote:
> Package: linux-image-amd64
> Version: 6.1.129-1
> Severity: wishlist
> 
> Dear kernel support team,
> 
> Could you please set CONFIG_EDAC_DEBUG (Error Detection And Correction) in
> kernel generation, so that it is possible to use ECC RAM when building NAS
> target with ZFS ?
> 
> 
> ansible@hn-asusgl752-400:~$ uname -a
> Linux hn-asusgl752-400 6.1.0-32-amd64 #1 SMP PREEMPT_DYNAMIC Debian
> 6.1.129-1 (2025-03-06) x86_64 GNU/Linux
> 
> 
> ansible@hn-asusgl752-400:~$ grep CONFIG_EDAC_DEBUG
> /boot/config-6.1.0-32-amd64
> # CONFIG_EDAC_DEBUG is not set

Why would that be needed for building NAS target with ZFS?

The config option clearly describes:

config EDAC_DEBUG
        bool "Debugging"
        select DEBUG_FS
        help
          This turns on debugging information for the entire EDAC subsystem.
          You do so by inserting edac_module with "edac_debug_level=x." Valid
          levels are 0-4 (from low to high) and by default it is set to 2.
          Usually you should select 'N' here.

Can you elaborate on why CONFIG_EDAC_DEBUG is needed?

Regards,
Salvatore

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#86771

FromJean-Marc LACROIX <jeanmarc.lacroix@free.fr>
Date2025-04-07 18:40 +0200
Message-ID<KyXFT-bPRs-5@gated-at.bofh.it>
In reply to#86761
Le 06/04/2025 à 21:10, Salvatore Bonaccorso a écrit :
> Control: tags -1 + moreinfo
> 
> On Sun, Apr 06, 2025 at 07:25:04PM +0200, Jean-Marc LACROIX wrote:
>> Package: linux-image-amd64
>> Version: 6.1.129-1
>> Severity: wishlist
>>
>> Dear kernel support team,
>>
>> Could you please set CONFIG_EDAC_DEBUG (Error Detection And Correction) in
>> kernel generation, so that it is possible to use ECC RAM when building NAS
>> target with ZFS ?
>>
>>
>> ansible@hn-asusgl752-400:~$ uname -a
>> Linux hn-asusgl752-400 6.1.0-32-amd64 #1 SMP PREEMPT_DYNAMIC Debian
>> 6.1.129-1 (2025-03-06) x86_64 GNU/Linux
>>
>>
>> ansible@hn-asusgl752-400:~$ grep CONFIG_EDAC_DEBUG
>> /boot/config-6.1.0-32-amd64
>> # CONFIG_EDAC_DEBUG is not set
> 
> Why would that be needed for building NAS target with ZFS?
> 
> The config option clearly describes:
> 
> config EDAC_DEBUG
>          bool "Debugging"
>          select DEBUG_FS
>          help
>            This turns on debugging information for the entire EDAC subsystem.
>            You do so by inserting edac_module with "edac_debug_level=x." Valid
>            levels are 0-4 (from low to high) and by default it is set to 2.
>            Usually you should select 'N' here.
> 
> Can you elaborate on why CONFIG_EDAC_DEBUG is needed?
> 
> Regards,
> Salvatore

Salvatore,

I'm working on a project to use the Odroid H4 SBC card as a NAS server. 
It seems possible to use ECC memory because the development team 
validated it in 2024. Therefore, it is essential to load a dedicated 
kernel module to detect potential exceptions, as suggested in the 
following thread.

https://forum.odroid.com/viewtopic.php?t=48377

Regards
-- 
   -- Jean-Marc LACROIX  () --
     -- mailto : jeanmarc.lacroix@free.fr   --

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#86825 — Bug#1102248: marked as done ([kernel] support of EDAC (Error Detection And Correction))

From"Debian Bug Tracking System" <owner@bugs.debian.org>
Date2025-04-10 23:40 +0200
SubjectBug#1102248: marked as done ([kernel] support of EDAC (Error Detection And Correction))
Message-ID<KA7MR-cBjJ-11@gated-at.bofh.it>
In reply to#86753

[Multipart message — attachments visible in raw view] — view raw

Your message dated Thu, 10 Apr 2025 23:33:27 +0200
with message-id <Z_g5J2NY4nu1mwIr@eldamar.lan>
and subject line Re: Bug#1102248: [kernel] support of EDAC (Error Detection And Correction)
has caused the Debian Bug report #1102248,
regarding [kernel] support of EDAC (Error Detection And Correction)
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

(NB: If you are a system administrator and have no idea what this
message is talking about, this may indicate a serious mail system
misconfiguration somewhere. Please contact owner@bugs.debian.org
immediately.)


-- 
1102248: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1102248
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems

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