Bug#1040140: libc6: upgrade libc6 to version 2.37-3 break plasma desktop (X11/Wayland)

2023-07-03 Thread Aurelien Jarno 
Hi,

On 2023-07-02 17:37, Antonio wrote:
> Debian/Sid
> 
> Operating System: Debian GNU/Linux
> KDE Plasma Version: 5.27.5
> KDE Frameworks Version: 5.107.0
> Qt Version: 5.15.8
> Kernel Version: 6.3.0-1-amd64 (64-bit)
> Graphics Platform: Wayland
> Processors: 24 × 12th Gen Intel® Core™ i9-12900T
> Memory: 31.1 GiB of RAM
> Graphics Processor: Mesa Intel® UHD Graphics 770 (integrated)
> Manufacturer: ASUS ROG STRIX B660-I GAMING WIFI
> 
> 
> dmesg:
> [dom lug  2 17:28:34 2023] __vm_enough_memory: pid: 4398, comm: plasmashell, 
> not enough memory for the allocation
> [dom lug  2 17:28:34 2023] __vm_enough_memory: pid: 4398, comm: plasmashell, 
> not enough memory for the allocation
> [dom lug  2 17:28:35 2023] __vm_enough_memory: pid: 4398, comm: plasmashell, 
> not enough memory for the allocation
> [dom lug  2 17:28:36 2023] __vm_enough_memory: pid: 4398, comm: plasmashell, 
> not enough memory for the allocation
> [dom lug  2 17:28:37 2023] __vm_enough_memory: pid: 4398, comm: plasmashell, 
> not enough memory for the allocation
> 
> kernel debian sid:
> - linux-image-amd64
> 
> Linux SAT 6.3.0-1-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.3.7-1 (2023-06-12) 
> x86_64 GNU/Linux
> 
> Same problems

Thanks for the infos. Unfortunately I have not been able to reproduce
the problem locally, either on a laptop with an Intel Graphic card or
with a Bookworm QEMU image upgraded to the latest sid. This means that
things will have to be debug on your side.

From what I understood you are still able to run applications, so could
you please open a Konsole, and provide additional infos:

- Please provide the output of the "ldd /usr/bin/plasmashell" command
- Please try running plasmashell under strace in order to have more
  details about that failed memory allocation using "strace -o log
  /usr/bin/plasmashell". Then please send me the output "log" file,
  possibly privately without Cc to the Debian BTS.

Thanks
Aurelien

-- 
Aurelien Jarno  GPG: 4096R/1DDD8C9B
aurel...@aurel32.net http://aurel32.net

Bug#1040140: libc6: upgrade libc6 to version 2.37-3 break plasma desktop (X11/Wayland)

2023-07-03 Thread Antonio 
I carried out further tests, until I replicated the problem on a virtual 
machine.


Then I compared the plasma configuration subdir with a functioning 
version (obtained experimentally, resetting the arrangement of the 
desktop and windows, from default  breeze theme).


The difference that determines the problem is in the 
"~/.config/plasma-org.kde.plasma.desktop-appletsrc", section 
"[Screenmapping]".


I noticed that "itemsondisabledscreens" and "screenmapping" items have 
an excessive line length.


 LENGTH LINE
  BYTES FIRST 200 chars
 82 --- ok-plasma-org.kde.plasma.desktop-appletsrc 2023-07-03 
13:26:44.894
 83 +++ bad-plasma-org.kde.plasma.desktop-appletsrc 2023-07-03 
12:35:57.69

 16  [ScreenMapping]
 24 -itemsOnDisabledScreens=
    392 
-screenMapping=desktop:/4.png,0,71c04f84-b363-4dca-a9a8-671fbb033f34,d...
  14110 
+itemsOnDisabledScreens=2,19c9821c-6bd3-4d27-b17a-1e325203a1fc,1,deskt...
3994359 
+screenMapping=desktop:/safekernel-bk110323.01-rel6.1.18/build/include...


This was also noted from the file size:

Bad:
-rw--- 1 root root 37K Jul  3 13:43 
~/.config/plasma-org.kde.plasma.desktop-appletsrc


Good:
-rw--- 1 root root 12549  3 lug 13.47 
~/.config/plasma-org.kde.plasma.desktop-appletsrc


If I remove the entire section, everything works well.

I don't know why, but these lines have elongated dramatically. Perhaps 
the processes that manage them do not control the maximum length of the 
lines ...


With the previous version of Libc this problem had never occurred, even 
in the presence of these lines; while with the new version he came out.


However, now the problem seems to have solved.

Bug#1040140: libc6: upgrade libc6 to version 2.37-3 break plasma desktop (X11/Wayland)

2023-07-03 Thread Antonio 

I also reported the problem to the KDE team:

https://bugs.kde.org/show_bug.cgi?id=471903

[Git][glibc-team/tzdata][sid] 2 commits: Update Romanian debconf translation

2023-07-03 Thread Benjamin Drung (@bdrung) 


Benjamin Drung pushed to branch sid at GNU Libc Maintainers / tzdata


Commits:
8f77595b by Benjamin Drung at 2023-07-03T16:58:23+02:00
Update Romanian debconf translation

Closes: #1038905
Thanks: Remus-Gabriel Chelu 
Signed-off-by: Benjamin Drung 

- - - - -
2fb15014 by Benjamin Drung at 2023-07-03T17:19:07+02:00
Release tzdata 2023c-7

Signed-off-by: Benjamin Drung 

- - - - -


2 changed files:

- debian/changelog
- debian/po/ro.po


View it on GitLab: 
https://salsa.debian.org/glibc-team/tzdata/-/compare/05eadbc1141a405fb88a19ab4efb0556b942bbab...2fb15014c44c32af623ba07da1465739a7e4caf2

-- 
View it on GitLab: 
https://salsa.debian.org/glibc-team/tzdata/-/compare/05eadbc1141a405fb88a19ab4efb0556b942bbab...2fb15014c44c32af623ba07da1465739a7e4caf2
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[Git][glibc-team/tzdata] Pushed new tag debian/2023c-7

2023-07-03 Thread Benjamin Drung (@bdrung) 


Benjamin Drung pushed new tag debian/2023c-7 at GNU Libc Maintainers / tzdata

-- 
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Processed: Bug#1038905 marked as pending in tzdata

2023-07-03 Thread Debian Bug Tracking System 
Processing control commands:

> tag -1 pending
Bug #1038905 [tzdata] Subject: [INTL:ro] Romanian debconf templates 
translation-revision of tzdata
Added tag(s) pending.

-- 
1038905: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1038905
Debian Bug Tracking System
Contact ow...@bugs.debian.org with problems

Processing of tzdata_2023c-7_source.changes

2023-07-03 Thread Debian FTP Masters 
tzdata_2023c-7_source.changes uploaded successfully to localhost
along with the files:
  tzdata_2023c-7.dsc
  tzdata_2023c-7.debian.tar.xz
  tzdata_2023c-7_source.buildinfo

Greetings,

Your Debian queue daemon (running on host usper.debian.org)

Bug#1038905: marked as done (Subject: [INTL:ro] Romanian debconf templates translation-revision of tzdata)

2023-07-03 Thread Debian Bug Tracking System 
Your message dated Mon, 03 Jul 2023 16:12:10 +
with message-id 
and subject line Bug#1038905: fixed in tzdata 2023c-7
has caused the Debian Bug report #1038905,
regarding Subject: [INTL:ro] Romanian debconf templates translation-revision of 
tzdata
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 ow...@bugs.debian.org
immediately.)


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Contact ow...@bugs.debian.org with problems
--- Begin Message ---

Package: tzdata
Version: N/A
Severity: wishlist
Tags: l10n, patch

Dear Maintainer,

Please find attached the Romanian translation of the «ro.po» file.

Thanks,
Remus-Gabriel

ro.po
Description: Binary data
--- End Message ---
--- Begin Message ---
Source: tzdata
Source-Version: 2023c-7
Done: Benjamin Drung 

We believe that the bug you reported is fixed in the latest version of
tzdata, which is due to be installed in the Debian FTP archive.

A summary of the changes between this version and the previous one is
attached.

Thank you for reporting the bug, which will now be closed.  If you
have further comments please address them to 1038...@bugs.debian.org,
and the maintainer will reopen the bug report if appropriate.

Debian distribution maintenance software
pp.
Benjamin Drung  (supplier of updated tzdata package)

(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing ftpmas...@ftp-master.debian.org)


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Distribution: unstable
Urgency: medium
Maintainer: GNU Libc Maintainers 
Changed-By: Benjamin Drung 
Closes: 1038905
Changes:
 tzdata (2023c-7) unstable; urgency=medium
 .
   * Update Romanian debconf translation. Thanks to Remus-Gabriel Chelu
 (Closes: #1038905)
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tzdata_2023c-7_source.changes ACCEPTED into unstable

2023-07-03 Thread Debian FTP Masters 
Thank you for your contribution to Debian.



Accepted:

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Maintainer: GNU Libc Maintainers 
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 .
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Bug#1040140: libc6: upgrade libc6 to version 2.37-3 break plasma desktop (X11/Wayland)

2023-07-03 Thread Aurelien Jarno 
Hi,

On 2023-07-03 14:27, Antonio wrote:
> I carried out further tests, until I replicated the problem on a virtual
> machine.
> 
> Then I compared the plasma configuration subdir with a functioning version
> (obtained experimentally, resetting the arrangement of the desktop and
> windows, from default  breeze theme).
> 
> The difference that determines the problem is in the
> "~/.config/plasma-org.kde.plasma.desktop-appletsrc", section
> "[Screenmapping]".
> 
> I noticed that "itemsondisabledscreens" and "screenmapping" items have an
> excessive line length.
> 
>  LENGTH LINE
>   BYTES FIRST 200 chars
>  82 --- ok-plasma-org.kde.plasma.desktop-appletsrc 2023-07-03
> 13:26:44.894
>  83 +++ bad-plasma-org.kde.plasma.desktop-appletsrc 2023-07-03
> 12:35:57.69
>  16  [ScreenMapping]
>  24 -itemsOnDisabledScreens=
>     392
> -screenMapping=desktop:/4.png,0,71c04f84-b363-4dca-a9a8-671fbb033f34,d...
>   14110
> +itemsOnDisabledScreens=2,19c9821c-6bd3-4d27-b17a-1e325203a1fc,1,deskt...
> 3994359
> +screenMapping=desktop:/safekernel-bk110323.01-rel6.1.18/build/include...
> 
> This was also noted from the file size:
> 
> Bad:
> -rw--- 1 root root 37K Jul  3 13:43
> ~/.config/plasma-org.kde.plasma.desktop-appletsrc
> 
> Good:
> -rw--- 1 root root 12549  3 lug 13.47
> ~/.config/plasma-org.kde.plasma.desktop-appletsrc
> 
> If I remove the entire section, everything works well.

Thanks a lot for investigating. With that details, I was able to
reproduce the issue in a VM.

> I don't know why, but these lines have elongated dramatically. Perhaps the
> processes that manage them do not control the maximum length of the lines
> ...
> 
> With the previous version of Libc this problem had never occurred, even in
> the presence of these lines; while with the new version he came out.

It's not clear to me either what's the issue. So far I have just found
that the virtual memory allocation of plasmashell is ~11GB with glibc
2.37 vs ~2GB with glibc 2.36. In both cases the resident memory is
around 350MB. This higher virtual memory allocation seems to cause the
clone syscall to fail with -ENOMEM.

> However, now the problem seems to have solved.

Yes, it's great that you have found a workaround. Given that, I don't
think it warrants blocking the migration of glibc 2.37 to testing, but
I'll continue investigating to better understand if it could have other
side effects.

Regards
Aurelien

-- 
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aurel...@aurel32.net http://aurel32.net

Bug#1040140: libc6: upgrade libc6 to version 2.37-3 break plasma desktop (X11/Wayland)

2023-07-03 Thread Aurelien Jarno 
Hi,

On 2023-07-03 22:15, Aurelien Jarno wrote:
> It's not clear to me either what's the issue. So far I have just found
> that the virtual memory allocation of plasmashell is ~11GB with glibc
> 2.37 vs ~2GB with glibc 2.36. In both cases the resident memory is
> around 350MB. This higher virtual memory allocation seems to cause the
> clone syscall to fail with -ENOMEM.
> 
> > However, now the problem seems to have solved.
> 
> Yes, it's great that you have found a workaround. Given that, I don't
> think it warrants blocking the migration of glibc 2.37 to testing, but
> I'll continue investigating to better understand if it could have other
> side effects.

The issue is due to this upstream commit:

https://sourceware.org/git/?p=glibc.git;a=commitdiff;h=f4f2ca1509288f6f780af50659693a89949e7e46

Other possible workarounds are:
- defining the GLIBC_TUNABLES environment variable to
  "glibc.malloc.trim_threshold=128"
- changing the kernelvm.overcommit_memory parameter to 1 with "sysctl
  vm.overcommit_memory=1"

Regards
Aurelien

-- 
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aurel...@aurel32.net http://aurel32.net