Debian 13 (trixie) keeps locking up after 22-55 days in qemu.
And there is nothing to show what's wrong in the systemd journal
Any ideas about what wrong?

xuser@sdf.org
SDF Public Access UNIX System - http://sdf.org

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I can't be swap, because non is setup
And it is just a single purpose machine running an ssh server and audio streaming with icecast2 and mpd
But is does start slowing down more and more until it locks up

On Sun, 25 May 2025, Timothy M Butterworth wrote:

Date: Sun, 25 May 2025 21:44:35 -0400
From: Timothy M Butterworth <timothy.m.butterworth@gmail.com>
To: xuser <xuser@sdf.org>
Cc: debian-user@lists.debian.org
Subject: Re: Random locks ups in qemu
Resent-Date: Mon, 26 May 2025 01:45:06 +0000 (UTC)
Resent-From: debian-user@lists.debian.org

On Sun, May 25, 2025 at 4:26?PM xuser <xuser@sdf.org> wrote:
Debian 13 (trixie) keeps locking up after 22-55 days in qemu.
And there is nothing to show what's wrong in the systemd journal
Any ideas about what wrong?

xuser@sdf.org
SDF Public Access UNIX System - http://sdf.org

 
Issue `free -h` after it locks up and see if the Swap is fully used. If it
is and your free memory is also depleted then you probably have a memory leak. Are you using a multi-purpose system, watching videos, surfing the
web, listening to music etc or is it a dedicated system to just run the VMs?

--
???????
??????? Debian- The universal operating system ??????? https://www.debian.org/
?????

xuser@sdf.org
SDF Public Access UNIX System - http://sdf.org

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This message is in MIME format. The first part should be readable text,
while the remaining parts are likely unreadable without MIME-aware tools.

I see that all of the memory is in use for the disk cache, I will try the
drop cache stuff.

On Mon, 26 May 2025, Timothy M Butterworth wrote:

Date: Mon, 26 May 2025 04:21:04 -0400
From: Timothy M Butterworth <timothy.m.butterworth@gmail.com>
To: xuser <xuser@sdf.org>
Cc: debian-user@lists.debian.org
Subject: Re: Random locks ups in qemu
Resent-Date: Mon, 26 May 2025 08:21:39 +0000 (UTC)
Resent-From: debian-user@lists.debian.org

On Sun, May 25, 2025 at 11:41?PM xuser <xuser@sdf.org> wrote:
I can't be swap, because non is setup
And it is just a single purpose machine running an ssh server
and audio
streaming with icecast2 and mpd
But is does start slowing down more and more until it locks up

I still think it sounds like a possible memory leak. When it starts slowing down try running `free -h` and check how much available RAM you have. You
can then run `sudo sync && sudo sh -c "/usr/bin/echo 1 > /proc/sys/vm/drop_caches"` running `free -h` after this should show that you have a lot more RAM.

 

On Sun, 25 May 2025, Timothy M Butterworth wrote:

> Date: Sun, 25 May 2025 21:44:35 -0400
> From: Timothy M Butterworth <timothy.m.butterworth@gmail.com>
> To: xuser <xuser@sdf.org>
> Cc: debian-user@lists.debian.org
> Subject: Re: Random locks ups in qemu
> Resent-Date: Mon, 26 May 2025 01:45:06 +0000 (UTC)
> Resent-From: debian-user@lists.debian.org
>
>
>
> On Sun, May 25, 2025 at 4:26?PM xuser <xuser@sdf.org> wrote:
>       Debian 13 (trixie) keeps locking up after 22-55 days in
qemu.
>       And there is nothing to show what's wrong in the systemd
journal
>       Any ideas about what wrong?
>
>       xuser@sdf.org
>       SDF Public Access UNIX System - http://sdf.org
>
>  
> Issue `free -h` after it locks up and see if the Swap is fully
used. If it
> is and your free memory is also depleted then you probably
have a memory
> leak. Are you using a multi-purpose system, watching videos,
surfing the
> web, listening to music etc or is it a dedicated system to
just run the VMs?
>
> --
> ???????
> ??????? Debian- The universal operating system
> ??????? https://www.debian.org/
> ?????
>
>

xuser@sdf.org
SDF Public Access UNIX System - http://sdf.org

--
???????
??????? Debian- The universal operating system ??????? https://www.debian.org/
?????

xuser@sdf.org
SDF Public Access UNIX System - http://sdf.org

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On 5/25/25 13:26, xuser wrote:

Debian 13 (trixie) keeps locking up after 22-55 days in qemu. And
there is nothing to show what's wrong in the systemd journal Any
ideas about what wrong?

On 5/25/25 20:41, xuser wrote:

I can't be swap, because non is setup

On previous versions of Debian, I tried running without swap. The
computers always crashed under load. When I added a 1G swap partition,
the crashes stopped. Since then, I always provide a 1G swap partition
when installing.


David

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I just added somw zram swap hope it fixes it

On Mon, 26 May 2025, David Christensen wrote:

Date: Mon, 26 May 2025 10:01:52 -0700
From: David Christensen <dpchrist@holgerdanske.com>
To: debian-user@lists.debian.org
Subject: Re: Random locks ups in qemu
Resent-Date: Mon, 26 May 2025 17:02:30 +0000 (UTC)
Resent-From: debian-user@lists.debian.org

On 5/25/25 13:26, xuser wrote:

Debian 13 (trixie) keeps locking up after 22-55 days in qemu. And
there is nothing to show what's wrong in the systemd journal Any
ideas about what wrong?

On 5/25/25 20:41, xuser wrote:

I can't be swap, because non is setup

On previous versions of Debian, I tried running without swap. The computers always crashed under load. When I added a 1G swap partition, the crashes stopped. Since then, I always provide a 1G swap partition when installing.

David

xuser@sdf.org
SDF Public Access UNIX System - http://sdf.org

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